Abstract

A secondary battery includes an electrode assembly including a first electrode plate on which a first current collection tab is formed and a second electrode plate on which a second current collection tab is formed. A case accommodates the electrode assembly. A cap assembly is formed at a side of the case. An insulating member is disposed between the cap assembly and the electrode assembly. The first current collection tab is directly connected to an electrode terminal that passes through the cap assembly. At least one of the first current collection tab and the second current collection tab passes through the insulating member.

IPC Classes  ?

• H01M 50/172 - Arrangements of electric connectors penetrating the casing
• H01M 50/169 - Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
• H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
• H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
• H01M 50/566 - Terminals characterised by their manufacturing process by welding, soldering or brazing
• H01M 50/591 - Covers
• H01M 50/593 - SpacersInsulating plates
• H01M 50/595 - Tapes

Abstract

Disclosed are positive electrode active materials and rechargeable lithium batteries including the positive electrode active materials. The positive electrode active materials comprise a first particle including a first lithium composite oxide having a spinel crystal structure, a second particle including a second lithium composite oxide having a layered crystal structure, and a third particle including a third lithium composite oxide having a layered crystal structure. An average particle diameter of the second particle is greater than an average particle diameter of the third particle. The first particle has a first weight ratio relative to a total weight of the first, second, and third particles. The second particle has a second weight ratio relative to the total weight. The third particle has a third weight ratio relative to the total weight. The first weight ratio is greater than a sum of the second weight ratio and the third weight ratio.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

A secondary battery including: a case having an opening at one end portion; an electrode assembly accommodated in the case; a current collector electrically connected to the electrode assembly; and a terminal electrically connected to the current collector. The current collector includes a conductive boss connected to the terminal, and the conductive boss includes a multi-stage shape portion protruding toward the terminal. The terminal has a through-hole into which the conductive boss is inserted and which has a shape corresponding to the multi-stage shape portion.

IPC Classes  ?

• H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
• H01M 50/528 - Fixed electrical connections, i.e. not intended for disconnection
• H01M 50/536 - Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
• H01M 50/557 - Plate-shaped terminals

Abstract

Disclosed are electrolyte, electrolyte additives, and rechargeable lithium batteries. The electrolyte comprises a non-aqueous organic solvent, a lithium salt, and an additive. The additive includes a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2. A detailed description of Chemical Formulae 1 and 2 is provided in this disclosure.

IPC Classes  ?

• H01M 10/0567 - Liquid materials characterised by the additives
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/0568 - Liquid materials characterised by the solutes
• H01M 10/0569 - Liquid materials characterised by the solvents
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells

Abstract

Provided are a positive electrode for an all-solid-state battery, and a positive electrode composition, and an all-solid-state battery including the positive electrode, the positive electrode including a current collector, and a positive electrode active material layer on the current collector, wherein the positive electrode active material layer includes a positive electrode active material, a sulfide-based solid electrolyte, a binder, a conductive material, a first compound and a second compound.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 10/0562 - Solid materials

Abstract

Example embodiments include electrodes, rechargeable lithium batteries including the electrodes, and methods of manufacturing the electrodes. The electrode for a rechargeable lithium battery includes a current collector, an active material layer on at least one surface of the current collector, and a porous film in the active material layer. The rechargeable lithium battery includes the electrode mentioned above. The method of manufacturing the electrode includes providing a preliminary porous film, and providing an active material on the preliminary porous film to form a porous film and a second preliminary active material layer.

IPC Classes  ?

• H01M 10/052 - Li-accumulators
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/04 - Processes of manufacture in general

Abstract

A battery cell mounting apparatus include: a spacer having a shape corresponding to shapes of sides of a plurality of battery cells and configured to support the sides of the plurality of battery cells; and a plurality of electrode tabs configured to electrically connect the plurality of battery cells. One of the electrode tabs is inserted into the spacer and formed integrally with the spacer.

IPC Classes  ?

• H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
• H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors

Abstract

Provided are a compound represented by Chemical Formula 1, an antireflection film including the same, and a display device including the antireflection film. Provided are a compound represented by Chemical Formula 1, an antireflection film including the same, and a display device including the antireflection film. Provided are a compound represented by Chemical Formula 1, an antireflection film including the same, and a display device including the antireflection film. (In Chemical Formula 1, each substituent is the same as defined in the detailed description.)

IPC Classes  ?

• G02B 1/11 - Anti-reflection coatings
• C09B 62/483 - PorphinesAzaporphines
• C09J 7/24 - PlasticsMetallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
• C09J 7/29 - Laminated material

Abstract

Disclosed are conductive material dispersion liquid including nanocarbon, a fluorine-containing lithium salt, a solvent, an electrode composition, an electrode for a rechargeable lithium battery, and a rechargeable lithium battery.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

A secondary battery includes an electrode assembly having a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly is and the lower end of the case is open; terminals penetrating the upper surface of the case; a first current collector plate between the upper surface of the electrode assembly and the case and electrically connecting the first electrode plate and the terminals; and a cap plate sealing the lower end of the case. In the first current collector plate, the surface roughness of the lower surface of the first current collector plate is greater than that of the upper surface.

IPC Classes  ?

• H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
• H01M 10/04 - Construction or manufacture in general
• H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
• H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
• H01M 50/167 - Lids or covers characterised by the methods of assembling casings with lids by crimping
• H01M 50/186 - Sealing members characterised by the disposition of the sealing members
• H01M 50/536 - Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
• H01M 50/548 - Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
• H01M 50/583 - Devices or arrangements for the interruption of current in response to current, e.g. fuses

Abstract

A battery overcharging prevention device includes a bypass circuit configured to bypass a current flowing into each of first to Nth battery modules that are connected in parallel (N being a natural number greater than or equal to 2) wherein each one of the first to Nth battery modules includes a plurality of battery cells connected in series; and a processor configured to prevent overcharging caused by charging and discharging performed between the first to Nth battery modules, wherein the processor is configured to detect a target battery module of the first to Nth battery modules in which an abnormal battery cell is present based on a voltage change in each of the battery cells in the first to Nth battery modules, and to prevent overcharging of the target battery module by bypassing the current flowing into the target battery module through the bypass circuit.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
• H01M 50/51 - Connection only in series
• H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering

Abstract

A secondary battery includes a case with an opening, an electrode assembly accommodated in the case, a cap plate bonded to the opening, and a degassing device bonded to a gas discharge hole formed in one of the case and the cap plate to discharge gas inside the case, wherein the degassing device includes a central portion exposed to an outside of the case through an opening of the gas discharge hole, a bonding portion bonded to a circumferential periphery of the gas discharge hole, a peripheral portion that is a surface for connecting the bonding portion and the central portion, a notch formed as a groove in the peripheral portion along an outline formed by the bonding portion, and two or more hinges formed as grooves on a line defined by the notch.

IPC Classes  ?

• H01M 50/342 - Non-re-sealable arrangements
• H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells

Abstract

Disclosed are a resist underlayer composition, and a method of forming a photoresist pattern using the resist underlayer composition. The resist underlayer composition includes a polymer including a structural unit represented by Chemical Formula 1, and a solvent. The definition of Chemical Formula 1 is as described in the specification. Disclosed are a resist underlayer composition, and a method of forming a photoresist pattern using the resist underlayer composition. The resist underlayer composition includes a polymer including a structural unit represented by Chemical Formula 1, and a solvent. The definition of Chemical Formula 1 is as described in the specification.

IPC Classes  ?

• G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
• G03F 7/36 - Imagewise removal not covered by groups , e.g. using gas streams, using plasma

Abstract

Examples of the disclosure include an electrolyte solution for a rechargeable lithium battery, and a rechargeable lithium battery including the electrolyte solution. The electrolyte solution includes a non-aqueous organic solvent, a lithium salt, a first additive, and a second additive capable of ring-opening the first additive, and the content ratio of the second additive to the first additive is about 1 to about 3.

IPC Classes  ?

• H01M 10/0567 - Liquid materials characterised by the additives
• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 10/052 - Li-accumulators
• H01M 10/0569 - Liquid materials characterised by the solvents

Abstract

A spring for a battery system includes: a main body having a first spring action side, a second spring action side opposite to the first spring action side in a spring action direction, a first side, and a second side opposite to the first side. The main body has a V-shaped opening including a plurality of leg openings extending through the main body in a thickness direction of the main body and a pair of slot openings extending through the main body in the thickness direction. The V-shaped opening is oriented such that the plurality of leg openings are symmetric with respect to a central axis of the main body, which is parallel to the spring action direction, and the pair of slot openings respectively extend from the first side and the second side of the main body toward the central axis.

IPC Classes  ?

• H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
• H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
• H01M 50/262 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks
• H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
• H01M 50/514 - Methods for interconnecting adjacent batteries or cells
• H01M 50/522 - Inorganic material

Abstract

A rechargeable lithium battery includes a first electrode assembly including a first positive electrode, a first separator, and a first negative electrode, the first positive electrode including a first positive electrode active material including a lithium nickel-based composite oxide. The rechargeable lithium battery also includes a second electrode assembly including a second positive electrode, a second separator, and a second negative electrode, the second positive electrode including a second positive electrode active material including a lithium iron phosphate-based compound. A case accommodates the first electrode assembly and the second electrode assembly. At least one of the first positive electrode and the second positive electrode includes activated carbon.

IPC Classes  ?

• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/052 - Li-accumulators
• H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators

Abstract

A defective cell detection method includes: performing at least one of a charge or a discharge of a cell so that a state of charge (SOC) of the cell falls within a range; obtaining first charge/discharge data including voltage and temperature information during the charge or the discharge of the cell; calculating an entropy value of the cell based on the first charge/discharge data; estimating a state of a graphite interface of the cell based on the calculated entropy value; and determining whether or not the cell is defective based on the estimated state of the graphite interface of the cell.

IPC Classes  ?

• G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
• G01R 31/378 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
• G01R 31/385 - Arrangements for measuring battery or accumulator variables

Abstract

Disclosed are negative electrodes and rechargeable lithium batteries including a negative electrode. The negative electrode includes a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector. The negative electrode active material layer includes a first active material layer, a second active material layer, and a third active material layer that are stacked on the negative electrode current collector. At least one of the first, second, and third active material layer includes crystalline carbon. The second active material layer further includes a silicon-containing particle and a high-elasticity binder. The high-elasticity binder is an acrylic copolymer.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/134 - Electrodes based on metals, Si or alloys
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/66 - Selection of materials
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

A secondary battery and a battery module including the same are disclosed. A secondary battery includes an electrode assembly, a case accommodating the electrode assembly, a cap plate coupled to the case, a first insulating member around an outer side surface of the case, and a first open hole passing through the first insulating member and exposing the outer side surface of the case.

IPC Classes  ?

• H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
• H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
• H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
• H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
• H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
• H01M 50/342 - Non-re-sealable arrangements

Abstract

The present disclosure relates to a manufacturing method of an all-solid-state battery, and the manufacturing method of the all-solid-state battery of an embodiment includes supplying a reel-type mechanical structure sheet by partitioning a corresponding member having a blank corresponding to a positive electrode of a battery cell and a buffering part corresponding to the outside of the battery cell by repetition of a cutting line and a non-cut part; placing a magazine-type positive electrode on the blank; supplying a first solid electrolyte/negative electrode sheet and a second solid electrolyte/negative electrode sheet in a reel type by attaching a solid electrolyte and a negative electrode to the lower and upper parts of the mechanical structure sheet on which the positive electrode is assembled; pre-laminating the first solid electrolyte/negative electrode sheet, the mechanical structure sheet on which the positive electrode is assembled, and the second solid electrolyte/negative electrode sheet; and separating bi-cells by cutting a pre-laminated first laminate under pressure.

IPC Classes  ?

• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/04 - Processes of manufacture in general
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 50/54 - Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
• H01M 50/595 - Tapes

Abstract

The present invention relates to an all-solid-state battery and, more specifically, to an all-solid-state battery including: a cell stack including a plurality of stacked unit cells; and a spring pad provided on at least one of a lower part and an upper part of the cell stack. The spring pad includes a plate and a plurality of springs on the plate, each of the plurality of springs includes a first spring having a first diameter and a second spring having a second diameter smaller than the first diameter, and the second spring is positioned inside the first spring.

IPC Classes  ?

• H01M 10/0562 - Solid materials
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/04 - Construction or manufacture in general
• H01M 4/66 - Selection of materials

Abstract

The present invention relates to a method for recovering an organic solvent from a liquid waste generated in a process of manufacturing an all-solid-state battery, and an apparatus for recovering the organic solvent. More specifically, the method comprises: preparing a first raw material solution containing a cathode active material, a solid electrolyte, and a solvent, from a liquid waste generated in a process of manufacturing an all-solid-state battery; forming a second raw material solution by mixing the first raw material solution and a viscosity modifier; forming a third raw material solution by removing the cathode active material from the second raw material solution; and extracting the solvent of the third raw material solution from the third raw material solution. The removal of the cathode active material uitilizes the difference in particle size between the cathode active material and the solid electrolyte.

IPC Classes  ?

• H01M 10/54 - Reclaiming serviceable parts of waste accumulators
• B09B 3/80 - Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
• B09B 3/30 - Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
• H01M 10/0562 - Solid materials
• H01M 10/058 - Construction or manufacture
• B09B 101/16 - Batteries

Abstract

Provided is an elastic sheet that has sufficient flame retardancy and is capable of repeatedly absorbing volume changes caused by expansion and contraction of an all-solid-state secondary battery. The elastic sheet for an all-solid-state secondary battery buffers volume changes caused by expansion and contraction of the all-solid-state secondary battery and is composed of a closed-cell foam formed of a fluorine-based elastomer, wherein the porosity of the foam is 40% or more and 70% or less.

IPC Classes  ?

• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• H01M 10/052 - Li-accumulators
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
• H01M 10/0562 - Solid materials

Abstract

The present invention relates to an all-solid rechargeable battery comprising an anode, a solid electrolyte layer and a cathode, which are stacked, wherein a cathode active material layer and/or the solid electrolyte layer is formed of a plurality of segments, and a flexible partition wall disposed outside each of the segments is provided to impart flexibility to the all-solid rechargeable battery.

IPC Classes  ?

• H01M 10/0562 - Solid materials
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/052 - Li-accumulators

Abstract

The present invention relates to an anode for a secondary battery. More specifically, the present invention relates to an anode comprising: an anode current collector; an ion-conductive coating layer disposed on the anode current collector; and a cathode coating layer disposed on the ion-conductive coating layer.

IPC Classes  ?

• H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
• H01M 4/66 - Selection of materials
• H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
• H01M 10/0562 - Solid materials
• H01M 10/052 - Li-accumulators
• H01M 10/058 - Construction or manufacture
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a retardation layer stacked on one surface of the polarizer and including a negative B layer and a positive B layer, wherein the negative B layer is disposed between the polarizer and the positive B layer, the negative B layer has an in-plane retardation of 30-130 nm and a degree of biaxiality of 2.5-4.5 at a wavelength of 550 nm, the positive B layer has an in-plane retardation of 100-190 nm and a degree of biaxiality of -1.5 to -0.5 at a wavelength of 550 nm, and, with respect to a light absorption axis of the polarizer, a slow axis of the negative B layer forms an angle of -1° to 1° and a slow axis of the positive B layer forms an angle of 89° to 91°.

IPC Classes  ?

• G02B 5/30 - Polarising elements
• G02B 1/14 - Protective coatings, e.g. hard coatings
• B32B 7/023 - Optical properties
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
• G02F 1/13363 - Birefringent elements, e.g. for optical compensation

Abstract

Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a retardation layer stacked on one surface of the polarizer and including a positive B layer and a negative B layer, wherein the positive B layer is disposed between the polarizer and the negative B layer, the positive B layer has an in-plane retardation of 110 to 180 nm and a degree of biaxiality of -1.5 to -0.5 at a wavelength of 550 nm, the negative B layer has an in-plane retardation of 40 to 120 nm and a degree of biaxiality of 2.5 to 4.0 at a wavelength of 550 nm, and with respect to a light absorption axis of the polarizer, a slow axis of the positive B layer forms -1 to 1° and a slow axis of the negative B layer forms 89 to 91°.

IPC Classes  ?

• G02B 5/30 - Polarising elements
• G02B 1/14 - Protective coatings, e.g. hard coatings
• B32B 7/023 - Optical properties
• G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
• B32B 23/20 - Layered products essentially comprising cellulosic plastic substances comprising esters
• G02F 1/13363 - Birefringent elements, e.g. for optical compensation
• C08L 1/08 - Cellulose derivatives

Abstract

The present invention relates to an organic electroluminescent device comprising a p-type dopant of formula (I) and a p-type dopant of formula (II), and a display device comprising the organic electroluminescent device.

IPC Classes  ?

• H10K 50/19 - Tandem OLEDs
• H10K 85/60 - Organic compounds having low molecular weight

Abstract

A secondary battery includes a case with an opening therein, an electrode assembly accommodated in the case, a cap plate bonded to the opening of the case, a degassing device bonded to a gas discharge hole in one of the case and the cap plate to discharge gas from inside the case, wherein the degassing device includes a central portion exposed to an outside of the case through the gas discharge hole, a bonding portion bonded to a circumferential periphery of the gas discharge hole, a peripheral portion that is a surface for connecting the bonding portion and the central portion, a notch in the peripheral portion along an outline of the bonding portion, a main hinge on a line defined by the notch, and one or more sub-hinges parallel to the main hinge at one or more locations spaced apart from the main hinge.

IPC Classes  ?

• H01M 50/342 - Non-re-sealable arrangements

Abstract

A method of estimating negative electrode safety by at least one processor includes receiving, by the at least one processor, first charge data for at least one cell from a voltage sensor, receiving, by the at least one processor, second charge data for the at least one cell from the voltage sensor, and estimating, by the at least one processor, negative electrode safety for the at least one cell based on the first charge data and the second charge data, wherein the first charge data and the second charge data have different charge rates.

IPC Classes  ?

• G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
• G01R 31/388 - Determining ampere-hour charge capacity or SoC involving voltage measurements
• H01M 10/44 - Methods for charging or discharging
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Abstract

A polarizing plate and an optical display apparatus are provided. The polarizing plate includes a polarizer; and a retardation layer including a laminate of a positive C layer and a negative B layer and stacked on one surface of the polarizer, wherein the negative B layer has a degree of biaxiality of 1.5 or more at a wavelength of 550 nm, and the negative B layer has a Raman spectrum value of 10.20 or more as defined by Equation 1 in the disclosure.

IPC Classes  ?

• G02B 5/30 - Polarising elements

Abstract

A negative electrode active material includes a core containing a first amorphous carbon and a shell on the core. The shell includes a first shell on the core, with the first shell including a crystalline carbon. The shell also includes a second shell on the first shell, with the second shell including a second amorphous carbon. A ratio of a D/G value of the core to a DIG value of the shell including the first shell and the second shell is about 1.4 to about 15.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• C01B 32/205 - Preparation
• H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
• H01M 10/052 - Li-accumulators

Abstract

A battery attachment tape comprises an adhesive portion positioned on a first surface of the battery attachment tape. The adhesive portion comprises an adhesive region having an adhesive strength for attachment to at least a portion of one surface of a battery cell and a non-adhesive region having no adhesive strength, and the non-adhesive region is formed at at least one corner of the adhesive portion.

IPC Classes  ?

• H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
• H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers

Abstract

A secondary battery includes: an electrode assembly; a can having an inner space to accommodate the electrode assembly, and including a first side that is opened; a cover plate connected to the opened first side of the can, and having a through-hole; a terminal cap connected to the cover plate to cover the through-hole; and a connecting member to guide gas generated from the electrode assembly to be discharged from the inner space to the outside. At least a portion of the connecting member is located between the cover plate and the terminal cap.

IPC Classes  ?

• H01M 50/367 - Internal gas exhaust passages forming part of the battery cover or caseDouble cover vent systems
• H01M 50/109 - Primary casingsJackets or wrappings characterised by their shape or physical structure of button or coin shape
• H01M 50/153 - Lids or covers characterised by their shape for button or coin cells
• H01M 50/559 - Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells

Abstract

A method of controlling power of a battery of an electric vehicle includes receiving at least one of a brake signal or an accelerator pedal signal from at least one of a brake or an accelerator pedal, determining whether at least one of the brake signal or the accelerator pedal signal satisfies a power cut-off condition, and generating an emergency output cut-off signal in response to the power cut-off condition being satisfied.

IPC Classes  ?

• B60L 58/10 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries

Abstract

A battery device includes a first switch connected to an uppermost node of a plurality of battery cells of a battery module that are serially connected, a second switch connected to a lowermost node of the plurality of battery cells, a capacitor connected between the first switch and the second switch, and a processor configured to control an on-off operation of each of the first and second switches to control voltage charging of the capacitor by a charging current from the plurality of battery cells, wherein a voltage charged in the capacitor functions as an operating voltage of the processor.

IPC Classes  ?

• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/44 - Methods for charging or discharging
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering

Abstract

The present disclosure relates to an apparatus and method for diagnosing deterioration of a memory, and is directed to providing an apparatus and method for diagnosing a memory, the apparatus capable of diagnosing a degree of deterioration of a memory among circuit components constituting a battery pack, and predicting and managing a lifespan of the memory based on the diagnosis result. The present disclosure provides a configuration that calculates a state of health (SOH) of the memory based on one or more of an erase count of data written to the memory, an erase time required to erase the data written to the memory, a write error count when writing the data to the memory, and a write time required to write the data to a memory cell, and determines the remaining lifespan according to the SOH.

IPC Classes  ?

• G11C 29/56 - External testing equipment for static stores, e.g. automatic test equipment [ATE]Interfaces therefor
• G11C 29/02 - Detection or location of defective auxiliary circuits, e.g. defective refresh counters

Abstract

A composite substrate comprises a polymer substrate, a first metal layer disposed on a first surface of the polymer substrate, and a second metal layer disposed on a second surface of the polymer substrate opposite the first surface, wherein the first metal layer and the second metal layer comprise different materials, and either the first metal layer or the second metal layer has a smaller thickness than the polymer substrate in a first direction.

IPC Classes  ?

• H01M 4/66 - Selection of materials
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 4/70 - Carriers or collectors characterised by shape or form

Abstract

The present invention relates to an organic light emitting diode and a display device comprising the same. The invention further relates to a compound which can be used in the organic light emitting diode.

IPC Classes  ?

• H10K 50/16 - Electron transporting layers
• H10K 50/17 - Carrier injection layers
• H10K 85/60 - Organic compounds having low molecular weight

Abstract

The present invention relates to a lithium salt for an all-solid-state battery, a solid electrolyte membrane comprising same, and an all-solid-state battery comprising same, and, more specifically, the lithium salt has an asymmetric structure of structural formula 1.

IPC Classes  ?

• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/0562 - Solid materials

Abstract

The present invention relates to a sulfide-based solid electrolyte and an all-solid-state battery comprising same. More specifically, the sulfide-based solid electrolyte comprises core particles and shell particles disposed on the surfaces of the core particles. The core particles include a compound represented by chemical formula 1 and having an argyrodite crystal structure. The shell particles include a compound represented by chemical formula 2 and having an argyrodite crystal structure.

IPC Classes  ?

• H01M 10/0562 - Solid materials
• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
• H01M 10/052 - Li-accumulators

Abstract

The present invention relates to a method for preparing an anode slurry for an all-solid-state battery, an anode for an all-solid-state battery, prepared using same, and an all-solid-state battery comprising same and, more specifically, to a method for preparing an anode slurry for an all-solid-state battery, an anode for an all-solid-state battery, prepared using same, and an all-solid-state battery comprising same, the method comprising: mixing an anode material and a first thickener including a first binder and a first solvent to form a first mixture; dispersing the first mixture to form a dispersion; mixing the dispersion with a second thickener including a second binder and a second solvent to form a second mixture; and mixing the second mixture with a polymer, wherein the first thickener is added in a first addition amount, the second thickener is added in a second addition amount, and a ratio of the first addition amount to the total of the first addition amount and the second addition amount is 40-80%.

IPC Classes  ?

• H01M 4/1395 - Processes of manufacture of electrodes based on metals, Si or alloys
• H01M 4/1393 - Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/66 - Selection of materials
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

The present invention relates to a pretreatment method of an all-solid-state battery. More specifically, the method comprises: immersing waste of an all-solid-state battery in oil; physically decomposing the waste in a state of being immersed in oil; and obtaining the decomposed product. The waste is at least one of a battery cell, a battery module, a battery pack, and a process scrap. The oil includes at least one selected from mineral oil, silicone oil, vegetable oil, and synthetic oil.

IPC Classes  ?

• H01M 10/54 - Reclaiming serviceable parts of waste accumulators
• B09B 101/16 - Batteries

Abstract

The present invention relates to an electrode assembly for an all-solid-state battery. More specifically, the electrode assembly comprises: a unit cell comprising a positive electrode comprising a sulfide-based positive electrode active material, a solid electrolyte layer comprising a sulfide-based solid electrolyte, and a negative electrode; and an elastic layer disposed on at least one side of the unit cell.

IPC Classes  ?

• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• H01M 10/0562 - Solid materials
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids

Abstract

The present invention relates to a battery device, an operation method thereof, and a battery pack, and addresses the technical problem of presenting an independent power generation topology of a battery pack whereby independent and permanent operating power can be secured. To this end, the present invention provides a configuration in which a capacitor is charged by a charging current flowing through a closed circuit connecting a plurality of battery cells, a first switch, the capacitor, and a second switch, and the voltage charged in the capacitor is used as the operating voltage of a BMS or a master board.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
• G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells

Abstract

A secondary battery including a case with an opening, an electrode assembly accommodated in the case, and a cap assembly having a cap plate joined to the opening of the case, the cap plate including a terminal accommodating hole, and a terminal module electrically connected to the electrode assembly, the terminal module having a top surface joint portion insertable into the terminal accommodating hole of the cap plate, the top surface joint portion being joined to a top surface of the cap plate and having an internal through-hole space, a bottom surface joint portion inserted into the terminal accommodating hole and joined to a bottom surface of the cap plate, a terminal plate in the internal through-hole space of the top surface joint portion, and an insulator between the terminal plate and each of the top surface joint portion and the bottom surface joint portion.

IPC Classes  ?

• H01M 50/567 - Terminals characterised by their manufacturing process by fixing means, e.g. screws, rivets or bolts
• H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
• H01M 50/15 - Lids or covers characterised by their shape for prismatic or rectangular cells
• H01M 50/188 - Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
• H01M 50/562 - Terminals characterised by the material
• H01M 50/588 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars

Abstract

A photosensitive resin composition including a polymer resin having a refractive index of greater than or equal to about 1.66; a photopolymerizable monomer; a photopolymerization initiator; and a solvent, wherein the polymer resin has a repeating structural unit, and the structural unit includes a moiety derived from an acid dianhydride.

IPC Classes  ?

• G03F 7/038 - Macromolecular compounds which are rendered insoluble or differentially wettable
• G03F 7/039 - Macromolecular compounds which are photodegradable, e.g. positive electron resists
• H10K 59/38 - Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
• H10K 59/80 - Constructional details

Abstract

An active material coating method includes: forming first and second coating lines on a first surface of a base material; forming a first active material coating layer between the first and second coating lines on the first surface of the base material; forming third and fourth coating lines on a second surface of the base material; forming second active material coating layer between the third and fourth coating lines on the second surface of the base material; forming a first etched active material coating layer by etching a part of the first active material coating layer; determining a positional relationship between the first etched active material coating layer on the first surface and the second active material coating layer on the second surface; and forming a second etched active material coating layer by etching a part of the second active material coating layer based on the positional relationship.

IPC Classes  ?

• H01M 4/04 - Processes of manufacture in general
• B05C 9/10 - Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by groups , or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed before the application
• B05C 9/12 - Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by groups , or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
• B05C 13/02 - Means for manipulating or holding work, e.g. for separate articles for particular articles

Abstract

Disclosed are negative electrodes and rechargeable lithium batteries. The negative electrode includes a negative electrode current collector, and a negative electrode active material layer on the negative electrode current collector. The negative electrode active material layer includes a first active material layer, a second active material layer, and a third active material layer that are sequentially stacked on the negative electrode current collector. The second active material layer includes a silicon-containing particle and a conductive binder. The conductive binder includes a unit derived from a first monomer, a unit derived from a second monomer, and a unit derived from a third monomer. Each of the first monomer and the second monomer is a (meth)acrylate monomer. The third monomer is a zwitterionic monomer.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the compound, an organic optoelectronic device including the compound or the composition for an organic optoelectronic device, and a display device including the organic optoelectronic device, the compound being represented by Chemical Formula 1: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the compound, an organic optoelectronic device including the compound or the composition for an organic optoelectronic device, and a display device including the organic optoelectronic device, the compound being represented by Chemical Formula 1:

IPC Classes  ?

• H10K 85/60 - Organic compounds having low molecular weight
• C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
• C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• H10K 50/11 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers

Abstract

Disclosed is a rechargeable lithium battery, the rechargeable lithium battery including a positive electrode including a positive electrode current collector and a positive electrode active material layer on the positive electrode current collector and including a lithium iron phosphate-based positive electrode active material, a negative electrode including a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector and including a carbon-based negative electrode active material, and an electrolyte. The positive electrode includes pores with a size of about 0.6 μm to about 1 μm, the positive electrode has a porosity that is greater than or equal to about 23%, and the negative electrode has an ionic resistance that is less than or equal to about 20 Ωcm2.

IPC Classes  ?

• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/44 - Methods for charging or discharging

Abstract

Disclosed are methods of recovering lithium precursors, methods of preparing positive electrode active materials, and rechargeable lithium batteries. The method of recovering a lithium precursor comprises preparing a first solution that includes lithium ions and transition metal ions, preparing a second solution by mixing the first solution and a first basic reagent, preparing a third solution by extracting a transition metal from the second solution, preparing a fourth solution by mixing the third solution and a second basic reagent, and extracting the lithium precursor from the fourth solution. The first basic reagent is prepared using a waste solution produced in a washing process of a positive electrode active material.

IPC Classes  ?

• C22B 26/12 - Obtaining lithium
• C22B 1/00 - Preliminary treatment of ores or scrap
• C22B 7/00 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
• H01M 10/052 - Li-accumulators
• H01M 10/54 - Reclaiming serviceable parts of waste accumulators

Abstract

Disclosed are a polymer electrolyte and a lithium secondary battery comprising the polymer electrolyte, the polymer electrolyte comprising a crosslinked polymer and a liquid electrolyte, wherein the crosslinked polymer comprises a unit (A) derived from a polyfunctional acrylate-based monomer and a unit (B) derived from a polyurethane-based crosslinking agent, the polyurethane-based crosslinking agent comprises a unit (a) derived from a polyisocyanate-based monomer and a unit (b) derived from a polyol-based monomer, and the amount of the crosslinked polymer is 1-40 wt% with respect to the total weight of the electrolyte.

IPC Classes  ?

• H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
• H01M 10/0566 - Liquid materials
• H01M 10/0569 - Liquid materials characterised by the solvents
• H01M 10/052 - Li-accumulators

Abstract

Disclosed are a negative electrode and a lithium secondary battery comprising same, the negative electrode comprising: a negative electrode current collector; and a protective layer disposed on the negative electrode current collector and comprising a first polymer, a second polymer, and a liquid electrolyte, wherein the ratio of the second polymer content to the first polymer content is 0.1 to 10, the liquid electrolyte comprises a cyclic carbonate, and the cyclic carbonate content exceeds 5 wt% with respect to the total weight of the liquid electrolyte.

IPC Classes  ?

• H01M 4/66 - Selection of materials
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/052 - Li-accumulators
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

Provided is a display device including first pixels of a first color, second pixels of a second color, and third pixels of a third color, the first pixels, second pixels, and third pixels being spaced apart from each other with non-pixel areas interposed therebetween. The display device comprises: a light-emitting layer having areas corresponding the first pixels, the second pixels, and the third pixels, respectively; a first color conversion pattern that is disposed on the light-emitting layer corresponding to one of the first pixels and converts incident light into light of a first color; and a second color conversion pattern that is disposed on the light-emitting layer corresponding to one of the second pixels and converts incident light into light of a second color, wherein the first color is green, the first color conversion pattern includes a first quantum dot and a fluorescent dye, and the fluorescent dye has a maximum absorption wavelength of 350 nm to 550 nm and a maximum fluorescence emission wavelength of 450 nm to 650 nm.

IPC Classes  ?

• H10K 59/38 - Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
• C09B 3/14 - Perylene derivatives
• C09D 7/41 - Organic pigmentsOrganic dyes
• C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C09D 11/101 - Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
• C09D 11/32 - Inkjet printing inks characterised by colouring agents
• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
• C09K 11/70 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus
• H10K 102/00 - Constructional details relating to the organic devices covered by this subclass

Abstract

Disclosed are a positive electrode, and a rechargeable lithium battery including the positive electrode, the positive electrode including a positive electrode current collector and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material, a binder, and a conductive material. The binder includes a siloxane-based repeating unit and an imide-based repeating unit, and the binder includes the siloxane-based repeating unit in an amount of about 1 wt % to about 49 wt %.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates

Abstract

In the present disclosure, a battery pack is disclosed. The battery pack includes multiple battery units arranged along a first axis, wherein each battery unit includes an electrode assembly, and a case accommodating the electrode assembly, wherein the case has first and second sides facing each other along the first axis, the first side has a movable surface enabling positional movement in the first axis, and the second side has a protruding surface that protrudes in a direction away from the first side along the first axis. According to the present disclosure, provided is a battery unit in which effective pressure is provided to an electrode assembly forming the interior of the battery unit from the bonding force which physically binds multiple battery units by forming a movable surface on one side of a case which forms the exterior of the battery unit.

IPC Classes  ?

• H01M 50/258 - Modular batteriesCasings provided with means for assembling
• H01M 10/04 - Construction or manufacture in general
• H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
• H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
• H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
• H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames

Abstract

A photosensitive resin composition, a photosensitive resin layer manufactured using the same, a display device including the photosensitive resin layer, and a method of manufacturing the photosensitive resin composition, the photosensitive resin composition includes a photopolymerizable monomer; a photopolymerization initiator; and a solvent, wherein the photopolymerizable monomer is represented by Chemical Formula 1: A photosensitive resin composition, a photosensitive resin layer manufactured using the same, a display device including the photosensitive resin layer, and a method of manufacturing the photosensitive resin composition, the photosensitive resin composition includes a photopolymerizable monomer; a photopolymerization initiator; and a solvent, wherein the photopolymerizable monomer is represented by Chemical Formula 1:

IPC Classes  ?

• G03F 7/033 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
• G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
• G03F 7/028 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
• G03F 7/38 - Treatment before imagewise removal, e.g. prebaking

Abstract

A photosensitive resin composition, a photosensitive resin layer manufactured using the photosensitive resin composition, a display device including the photosensitive resin layer, and a method of manufacturing the photosensitive resin layer, the photosensitive resin composition including a binder resin; a photopolymerizable monomer; a photopolymerization initiator, and a solvent, wherein the wherein the photopolymerizable monomer is represented by Chemical Formula 1, A photosensitive resin composition, a photosensitive resin layer manufactured using the photosensitive resin composition, a display device including the photosensitive resin layer, and a method of manufacturing the photosensitive resin layer, the photosensitive resin composition including a binder resin; a photopolymerizable monomer; a photopolymerization initiator, and a solvent, wherein the wherein the photopolymerizable monomer is represented by Chemical Formula 1,

IPC Classes  ?

• G03F 7/031 - Organic compounds not covered by group
• C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
• G03F 7/00 - Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfacesMaterials therefor, e.g. comprising photoresistsApparatus specially adapted therefor
• G03F 7/033 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
• G03F 7/16 - Coating processesApparatus therefor
• H10K 59/38 - Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
• H10K 59/80 - Constructional details

Abstract

Disclosed are a current collector for a rechargeable lithium battery, an electrode including the current collector, and a rechargeable lithium battery including the current collector. The current collector for a rechargeable lithium battery includes a first metal layer, a second metal layer, and a functional layer between the first metal layer and the second metal layer, the functional layer including a polymer and a foaming agent.

IPC Classes  ?

• H01M 4/80 - Porous plates, e.g. sintered carriers
• H01M 4/66 - Selection of materials
• H01M 10/052 - Li-accumulators

Abstract

A battery module includes a plurality of battery cells, each including a vent in a first surface, and arranged along a first direction, and an end plate arranged along the first direction to face a second surface of a battery cell of the plurality of battery cells and comprising an expansion inducing portion spaced apart from the second surface and configured to induce expansion of the battery cell.

IPC Classes  ?

• H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
• H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
• H01M 50/317 - Re-sealable arrangements

Abstract

Disclosed are negative electrodes and rechargeable lithium batteries. The negative electrode includes a negative electrode current collector, and a negative electrode active material layer on the negative electrode current collector. The negative electrode active material layer includes a first active material layer, a second active material layer, and a third active material layer that are stacked on the negative electrode current collector. The second active material layer includes a silicon-containing particle and a high-strength binder. The high-strength binder includes a unit derived from a first monomer, and a unit derived from a second monomer. The first monomer includes one or more of a (meth)allyl ether monomer and a (meth)acrylic ester monomer. The second monomer includes a (meth)acrylic monomer.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 10/052 - Li-accumulators

Abstract

A semiconductor photoresist composition and a method of forming or providing patterns using the semiconductor photoresist composition are disclosed. The semiconductor photoresist composition may include a tin (Sn)-containing organometallic compound; at least one selected from a sulfonic acid compound including one or more halogen elements and a sulfonamide-based compound including one or more halogen elements; and a solvent.

IPC Classes  ?

• G03F 7/004 - Photosensitive materials
• H01L 21/027 - Making masks on semiconductor bodies for further photolithographic processing, not provided for in group or
• H01L 21/311 - Etching the insulating layers
• H01L 21/3213 - Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer

Abstract

A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the compound, an organic optoelectronic device including the compound or the composition for an optoelectronic device, and a display device including the organic optoelectronic device, the compound being represented by Chemical Formula 1: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the compound, an organic optoelectronic device including the compound or the composition for an optoelectronic device, and a display device including the organic optoelectronic device, the compound being represented by Chemical Formula 1:

IPC Classes  ?

• H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
• H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene
• H10K 85/60 - Organic compounds having low molecular weight

Abstract

A compound represented by Chemical Formula 1, A compound represented by Chemical Formula 1, A compound represented by Chemical Formula 1, wherein, X1 and X2 are each independently NRa, O, S, Se, or Te, any one of R1 to R10 is a group represented by Chemical Formula A, the remainder of R1 to R10 and Ra are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted amine group, a substituted or unsubstituted silyl group, a cyano group, or a halogen, and R1 to R10 and Ra are each independently present, or two adjacent ones among R1 to R10 and Ra are linked to form a ring.

IPC Classes  ?

• H10K 85/60 - Organic compounds having low molecular weight
• C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
• C07D 403/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
• C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
• C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
• C07D 491/048 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
• C07D 493/04 - Ortho-condensed systems
• C07D 495/04 - Ortho-condensed systems
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• H10K 50/12 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
• H10K 85/30 - Coordination compounds
• H10K 85/40 - Organosilicon compounds, e.g. TIPS pentacene

Abstract

The present disclosure relates to a separator for a lithium secondary battery, and a lithium secondary battery including same, the separator including: a porous substrate, and a heat-resistant layer on at least one surface of the porous substrate, wherein the heat-resistant layer includes a first coating layer including alumina, and a second coating layer including magnesium hydroxide, and the first coating layer and the second coating layer are consecutively disposed in a stacked form on the porous substrate.

IPC Classes  ?

• H01M 50/457 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/409 - Separators, membranes or diaphragms characterised by the material
• H01M 50/426 - Fluorocarbon polymers
• H01M 50/431 - Inorganic material
• H01M 50/434 - Ceramics
• H01M 50/443 - Particulate material
• H01M 50/446 - Composite material consisting of a mixture of organic and inorganic materials
• H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
• H01M 50/491 - Porosity

Abstract

The present invention relates to an all-solid-state battery. More specifically, the present invention relates to a lithium-sulfur battery comprising: a unit cell comprising a positive electrode containing a sulfide-based positive electrode active material, a solid electrolyte layer containing a sulfide-based solid electrolyte, and a negative electrode; a pouch for packaging the unit cell; and a functional layer on the outer surface and/or the inner surface of the pouch.

IPC Classes  ?

• H01M 10/0562 - Solid materials
• H01M 10/052 - Li-accumulators
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/52 - Removing gases inside the secondary cell, e.g. by absorption
• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• H01M 50/124 - Primary casingsJackets or wrappings characterised by the material having a layered structure
• H01M 50/117 - Inorganic material
• H01M 50/105 - Pouches or flexible bags

Abstract

Disclosed are an integrated terminal, a secondary battery including the same, and a method of manufacturing the same. The integrated terminal may include a terminal assembly including a terminal member disposed to adjoin a sub-plate electrically connected to an electrode assembly of a secondary battery and a terminal insulator surrounding a side of the terminal member and a cap insulator formed along a through hole in a cap plate coupled to a case accommodating the electrode assembly and in which the through hole into which the terminal assembly is inserted is formed. When the terminal assembly is inserted into the through hole, the terminal insulator and the cap insulator may adjoin one another. A welding groove may be formed in a portion at which the terminal insulator and the cap insulator adjoin each other. The terminal insulator and the cap insulator may be welded and coupled along the welding groove.

IPC Classes  ?

• H01M 50/566 - Terminals characterised by their manufacturing process by welding, soldering or brazing
• H01M 50/176 - Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
• H01M 50/588 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars

Abstract

A battery system includes battery cells arranged along a stacking axis to form a cell stack, a cell stack frame accommodating the cell stack, and an end plate at an end of cell stack frame. The end plate includes a plate element in contact with the cell stack and deformation structures extending from opposite sides of the plate element substantially parallel to the stacking axis. Each deformation structure includes a first compression portion and a first extension portion connected in series and overlapping each other in a direction perpendicular to the stacking axis. The end plate, in an assembled position, is supported by the cell stack frame such that the first compression portion is compressed, the first extension portion is extended, and the plate element exerts a pressure onto the cell stack.

IPC Classes  ?

• H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
• B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
• H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells

Abstract

An electrode tab includes uncoated regions stacked in a vertical direction, each of the multiple uncoated regions including an insulating layer and a metal layer disposed on at least one of an upper surface and a lower surface of the insulating layer. A conductive layer is disposed between each two adjacent uncoated regions of the multiple uncoated regions, and a conductive strip member that surrounds the stacked uncoated regions and the conductive layer. The conductive strip member is electrically connected to the conductive layer.

IPC Classes  ?

• H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
• H01M 50/105 - Pouches or flexible bags
• H01M 50/538 - Connection of several leads or tabs of wound or folded electrode stacks

Abstract

Disclosed are composite substrates and rechargeable lithium batteries. The composite substrate includes a support layer, a first metal layer on a top surface of the support layer, a second metal layer on a bottom surface of the support layer, and at least one tab that is buried between the support layer and at least one of the first and second metal layers. The tab includes a buried portion and an exposed portion.

IPC Classes  ?

• H01M 4/66 - Selection of materials
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/052 - Li-accumulators

Abstract

The current disclosure includes a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode. The negative electrode for the rechargeable lithium battery includes a negative active material layer including a negative active material and a current collector on the negative active material layer, wherein a PCR (Plane angel Change Ratio) value is about 5.0 or less.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/04 - Processes of manufacture in general
• H01M 4/1393 - Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/1395 - Processes of manufacture of electrodes based on metals, Si or alloys
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/66 - Selection of materials
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

A charge-discharge apparatus for a rechargeable battery is disclosed. A charge-discharge apparatus for a rechargeable battery includes a base plate configured to have a battery cell affixed thereon, a charger-discharger on the base plate, and configured to charge the battery cell, a support part protruding from one side of the base plate, an elevating plate at the support part, and configured raise and lower, a distance-measuring part configured to measure a separation distance between the base plate and the elevating plate contacting the battery cell, a temperature-measuring part at a lower surface of the elevating plate, and configured to measure a temperature of the battery cell, and a display part configured to display the separation distance and the temperature.

IPC Classes  ?

• G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
• G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
• G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
• H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte

Abstract

The present disclosure relates to a terminal covering film and a secondary battery including the terminal covering film. The terminal covering film according may include an outermost layer in contact with a case of the secondary battery, an innermost layer in contact with the electrode terminal of the secondary battery, and an intermediate layer disposed between the outermost layer and the innermost layer. A melting point of the innermost layer is lower than a melting point of the outermost layer and a melting point of the intermediate layer. The terminal covering film facilitates venting of gases from the secondary battery.

IPC Classes  ?

• H01M 50/342 - Non-re-sealable arrangements
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/375 - Vent means sensitive to or responsive to temperature
• H01M 50/524 - Organic material
• H01M 50/526 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the material having a layered structure
• H01M 50/553 - Terminals adapted for prismatic, pouch or rectangular cells

Abstract

A semiconductor photoresist composition and a method of forming or providing patterns using the semiconductor photoresist composition are disclosed. The semiconductor photoresist composition may include an organometallic compound; a polymer additive including a structural unit represented by Chemical Formula 1; and a solvent.

IPC Classes  ?

• G03F 7/004 - Photosensitive materials
• H01L 21/027 - Making masks on semiconductor bodies for further photolithographic processing, not provided for in group or
• H01L 21/311 - Etching the insulating layers
• H01L 21/3213 - Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer

Abstract

Disclosed are composite substrates and rechargeable lithium batteries including a composite substrate. The composite substrate includes a support layer that includes an additive, a first metal layer on a top surface of the support layer, and a second metal layer on a bottom surface of the support layer. The additive includes at least one of a ceramic particle and a fire-extinguishing liquid capsule. An amount of the additive is about 1 wt % to about 20 wt % relative to a total weight of the support layer.

IPC Classes  ?

• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 4/134 - Electrodes based on metals, Si or alloys
• H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/586 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes

Abstract

An apparatus for sorting an abnormal battery cell includes a transfer device including a moveable transfer path, battery cells being transferred along the moveable transfer path, a sorting jig on the transfer device, the sorting jig including an insertion portion facing the moveable transfer path of the transfer device, and the insertion portion having a shape and a size equal to an outer shape and a size of a predetermined battery cell, and an alarm on the transfer device, the alarm being configured to notify if the abnormal battery cell among the battery cells has a shape or a size larger than the outer shape and the size of the predetermined battery cell.

IPC Classes  ?

• B07C 5/36 - Sorting apparatus characterised by the means used for distribution
• B07C 5/10 - Sorting according to size measured by light-responsive means

Abstract

A system for transporting a separator by using an air guide roller includes an air guide roller controller and an air guide roller configured to receive a control command from the air guide roller controller and to spray the air onto one surface of a separator when the separator travels.

IPC Classes  ?

• B65H 27/00 - Special constructions, e.g. surface features, of feed or guide rollers for webs

Abstract

A positive electrode and a rechargeable lithium battery including the positive electrode are disclosed. The positive electrode may include a positive electrode current collector, a first positive electrode active material layer provided on the positive electrode current collector and including a first positive electrode active material, and a second positive electrode active material layer provided on the first positive electrode active material layer and including a second positive electrode active material, wherein the first positive electrode active material may include a lithium iron phosphate-based compound, the second positive electrode active material may include a lithium cobalt-based oxide, and a weight ratio of the second positive electrode active material to the first positive electrode active material may be about 40 to about 55.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/66 - Selection of materials
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

The application relates to a fire extinguishing sheet, a battery module, and a battery pack are disclosed. A fire extinguishing sheet includes a fire extinguishing layer that includes a solid aerosol and is configured to release the solid aerosol at temperatures above a reference temperature.

IPC Classes  ?

• H01M 50/222 - Inorganic material
• H01M 10/613 - Cooling or keeping cold
• H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
• H01M 50/231 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the material of the casings or racks having a layered structure
• H01M 50/258 - Modular batteriesCasings provided with means for assembling

Abstract

According to one embodiment, proposed are a polymer electrolyte and a lithium secondary battery, wherein the polymer electrolyte comprises: a negative electrolyte including a crosslinked polymer; and a positive electrolyte disposed on the negative electrolyte, wherein the crosslinked polymer includes: repeating units (A) derived from an ester-based monomer; and repeating units (B) derived from an alkylene oxide-based monomer. The polymer electrolyte and the lithium secondary battery comprising same can prevent the formation of lithium dendrites and improve lithium ion conductivity.

IPC Classes  ?

• H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
• H01M 10/0566 - Liquid materials
• H01M 4/66 - Selection of materials
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/40 - Alloys based on alkali metals
• C08F 222/10 - Esters

Abstract

The present disclosure relates to an electrode. The technical problem to be solved is to provide an electrode with a reinforced substrate. To this end, the present disclosure provides an electrode comprising: a substrate; a coating layer provided on a first region which is a part of the substrate; a reinforcing layer provided on a second region which is another part of the substrate; and a tab provided on the second region and electrically connected to the substrate.

IPC Classes  ?

• H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
• H01M 4/66 - Selection of materials
• H01M 4/70 - Carriers or collectors characterised by shape or form
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/052 - Li-accumulators
• H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs
• H01M 50/534 - Electrode connections inside a battery casing characterised by the material of the leads or tabs
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

An anode and a lithium secondary battery comprising same are presented, the anode comprising: an anode current collector; and a protective layer disposed on the anode current collector and including a cross-linked polymer including a repeating unit derived from two or more types of multi-functional cross-linking agents, wherein the cross-linked polymer has a cross-linking density (g/n) of 300 or less.

IPC Classes  ?

• H01M 4/66 - Selection of materials
• H01M 4/134 - Electrodes based on metals, Si or alloys
• H01M 10/058 - Construction or manufacture
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/052 - Li-accumulators
• H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte solution including a lithium salt and a non-aqueous organic solvent; and a separator between the positive and the negative electrodes, the separator including a porous substrate and a coating layer positioned on at least one side of the porous substrate. The negative active material includes a Si-based material; the non-aqueous organic solvent includes cyclic carbonate including ethylene carbonate, propylene carbonate, or combinations thereof, the cyclic carbonate being included in an amount of about 20 volume % to about 60 volume % based on the total amount of the non-aqueous organic solvent; and the coating layer includes a fluorine-based polymer, an inorganic compound, or combinations thereof. The rechargeable lithium battery has improved cycle-life and high temperature storage characteristics.

IPC Classes  ?

• H01M 10/0569 - Liquid materials characterised by the solvents
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/0567 - Liquid materials characterised by the additives
• H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
• H01M 50/434 - Ceramics
• H01M 50/446 - Composite material consisting of a mixture of organic and inorganic materials
• H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
• H01M 50/457 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers

Abstract

Embodiments of the present disclosure relate to a secondary battery, and may provide a secondary battery capable of protecting an electrode assembly and improving battery capacity relative to the same volume. Embodiments of the present disclosure include a secondary battery including an electrode assembly including a first electrode plate having a first substrate tab, a second electrode plate having a second substrate tab, and a separator interposed between the first electrode plate and the second electrode plate, a first lead welded to the first substrate tab, a second lead welded to the second substrate tab, a heat shrinkable tube around a thickness portion of the electrode assembly, and a case accommodating the electrode assembly.

IPC Classes  ?

• H01M 50/536 - Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 10/04 - Construction or manufacture in general
• H01M 50/533 - Electrode connections inside a battery casing characterised by the shape of the leads or tabs

Abstract

An electrode assembly of a rechargeable battery includes a separator, and a positive electrode and a negative electrode with the separator interposed therebetween, the positive electrode and the negative electrode being wound together with the separator. The negative electrode may include a negative substrate, a first active material layer disposed on one surface of the negative substrate, and a second active material layer disposed on the other surface of the negative substrate. The first active material layer may include a carbon-based active material, a silicon-based active material, and a carbon nanotube. The second active material layer may include the carbon-based active material.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
• H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/04 - Construction or manufacture in general
• H01M 50/105 - Pouches or flexible bags
• H01M 50/107 - Primary casingsJackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
• H01M 50/152 - Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic

Abstract

An integrated terminal includes: a terminal assembly including a terminal member configured to adjoin a sub-plate electrically connected to an electrode assembly of a secondary battery and a terminal insulator that surrounds a side of the terminal member; and a cap insulator extending along a through hole in a cap plate that is coupled to a case that accommodates the electrode assembly and in which the through hole into which the terminal assembly is inserted is formed. When the terminal assembly is inserted into the through hole, the terminal insulator and the cap insulator adjoin each other, and a reinforced material is inserted into at least one of the terminal insulator and the cap insulator.

IPC Classes  ?

• H01M 50/552 - Terminals characterised by their shape
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/058 - Construction or manufacture
• H01M 50/148 - Lids or covers characterised by their shape
• H01M 50/171 - Lids or covers characterised by the methods of assembling casings with lids using adhesives or sealing agents
• H01M 50/474 - Spacing elements inside cells other than separators, membranes or diaphragmsManufacturing processes thereof characterised by their position inside the cells
• H01M 50/48 - Spacing elements inside cells other than separators, membranes or diaphragmsManufacturing processes thereof characterised by the material

Abstract

Disclosed are a separator for a rechargeable lithium battery and a rechargeable lithium battery including the separator. The separator includes a substrate, and a heat resistant adhesive layer on one surface of the substrate. The heat resistant adhesive layer includes inorganic particles, a heat resistant binder, and a swellable adhesive binder. The swellable adhesive binder includes a first structural unit derived from a vinyl aromatic monomer, a second structural unit derived from an alkyl acrylate, and a third structural unit derived from a phosphonate-based monomer, and the swellable adhesive binder is distributed in the surface of the heat-resistant adhesive layer to 40% to 60% of the total thickness of the heat resistant adhesive layer.

IPC Classes  ?

• H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/42 - Acrylic resins
• H01M 50/423 - Polyamide resins
• H01M 50/426 - Fluorocarbon polymers
• H01M 50/434 - Ceramics
• H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties

Abstract

The present disclosure relates to an electrode for a secondary battery, an electrode assembly, and a method for manufacturing the same. The electrode may comprise a substrate layer including a polymer layer, a first metal layer disposed on a first surface of the polymer layer, and a second metal layer disposed on a second surface of the polymer layer opposite to the first surface, with the second metal layer comprising a different metal from the first metal layer. The electrode may further comprise a first active material layer disposed on the first metal layer, and a second active material layer disposed on the second metal layer. The substrate layer may comprise a first uncoated portion where the first metal layer is exposed and a second uncoated portion where the second metal layer is exposed.

IPC Classes  ?

• H01M 4/66 - Selection of materials
• H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
• H01M 50/534 - Electrode connections inside a battery casing characterised by the material of the leads or tabs

Abstract

The present disclosure relates to a crimping apparatus for a battery cell, and the technical object to be achieved is to provide a crimping apparatus for a battery cell capable of improving the formation quality of a battery cell. To this end, the present disclosure provides a crimping apparatus for a battery cell, which includes a lower jig disposed around a circumference of a battery can, a first upper jig which descends to come into contact with the lower jig above the battery can and presses and moves the lower jig toward the battery can, and a second upper jig which is disposed inside the first upper jig, descends along with the first upper jig, and presses an end portion of the battery can downward to bend the end portion toward a cap assembly.

IPC Classes  ?

• B21D 39/04 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of tubes with tubesApplication of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders of tubes with rods
• H01M 50/167 - Lids or covers characterised by the methods of assembling casings with lids by crimping

Abstract

A magnetizer may include a first frame member including a first accommodation portion configured to accommodate two or more first magnets arranged along a first direction with a same first polarity, and a second frame member including a second accommodation portion configured to accommodate two or more second magnets arranged with a second polarity different from the first polarity, and configured to maintain a state of being in contact with the first frame member by an attractive force between the two or more first magnets and the two or more second magnets.

IPC Classes  ?

• H01F 13/00 - Apparatus or processes for magnetising or demagnetising

Abstract

The present disclosure relates to a cell balancing method and a cell balancing device performing the cell balancing method, and a battery pack. The cell balancing device may include: a storage device that storage a balancing profile for cell balancing; a balancing device configured to perform a discharge function for cell balancing of a plurality of battery cells; and a first controller configured to control the balancing device to perform pulse discharge for a balancing target battery cell selected from among the plurality of battery cells referring to the balancing profile if the cell balancing is required. The balancing profile may include a pulse period and a duty cycle set based on a natural frequency of a dendrite. The balancing device may be further configured to perform the pulse discharge according to a pulse signal that satisfies the pulse period and the duty cycle.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H01M 10/44 - Methods for charging or discharging

Abstract

The present disclosure relates to an insulation sheet, and a battery module including the insulation sheet. The insulation sheet includes one or more first layers, and one or more second layers alternately stacked with the first layers, wherein at least one of the one or more second layers includes an insulation material and an additive configured to improve a coating uniformity thereof.

IPC Classes  ?

• H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
• H01M 10/647 - Prismatic or flat cells, e.g. pouch cells

Abstract

The present disclosure relates to an insulation sheet and a battery module including the insulation sheet. The insulation sheet includes one or more first layers, and one or more second layers alternately stacked with the one or more first layers, wherein the one or more second layers include an insulating material and an impact-resistant resin.

IPC Classes  ?

• H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
• H01M 10/647 - Prismatic or flat cells, e.g. pouch cells

Abstract

Disclosed are a resist underlayer composition, and a method of forming a photoresist pattern using the resist underlayer composition. The resist underlayer composition includes a polymer including a structural unit represented by Chemical Formula 1 or Chemical Formula 2, a compound represented Chemical Formula 3 or Chemical Formula 4, or a combination thereof, and a solvent. Disclosed are a resist underlayer composition, and a method of forming a photoresist pattern using the resist underlayer composition. The resist underlayer composition includes a polymer including a structural unit represented by Chemical Formula 1 or Chemical Formula 2, a compound represented Chemical Formula 3 or Chemical Formula 4, or a combination thereof, and a solvent.

IPC Classes  ?

• G03F 7/11 - Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
• H01L 21/027 - Making masks on semiconductor bodies for further photolithographic processing, not provided for in group or
• H01L 21/311 - Etching the insulating layers
• H01L 21/3213 - Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer

Abstract

Provided are a negative electrode coating layer and an all-solid-state battery including the same, and, for example, a negative electrode coating layer for an all-solid-state battery, including a metal-carbon composite in which a metal and a carbon-based material are chemically bonded through sulfur, wherein a content of sulfur ions measured by negative ion analysis is about 1,000 ppm to about 10,000 ppm, and a root mean square roughness (Sq) of one surface is about 0.6 μm or less.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/04 - Processes of manufacture in general
• H01M 4/1393 - Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/1395 - Processes of manufacture of electrodes based on metals, Si or alloys
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/66 - Selection of materials
• H01M 10/0562 - Solid materials

Abstract

A method for removing calcium in a lithium battery recycling process includes recovering acidic lithium liquid including calcium; adding an oxalate aqueous solution to the acidic lithium liquid as a first calcium removal process; raising the pH of the acidic lithium liquid to prepare an alkaline lithium liquid; and adding ammonium oxalate to the alkaline lithium liquid as a second calcium removal process.

IPC Classes  ?

• C22B 26/20 - Obtaining alkaline earth metals or magnesium
• C01D 15/02 - OxidesHydroxides
• C01D 15/08 - CarbonatesBicarbonates
• C01F 11/00 - Compounds of calcium, strontium, or barium
• C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
• C22B 7/00 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof
• C22B 26/12 - Obtaining lithium
• H01M 10/54 - Reclaiming serviceable parts of waste accumulators

Abstract

Disclosed are positive electrode active materials and rechargeable lithium batteries. The positive electrode active material comprises a first particle that includes a first lithium composite oxide and has a first average particle diameter, and a second particle that includes a second lithium composite oxide and has a second average particle diameter less than the first average particle diameter. The first particle further includes a first coating layer on a surface of the first lithium composite oxide. The second particle further includes a second coating layer on a surface of the second lithium composite oxide. Each of the first and second lithium composite oxides is lithium composite oxide that includes nickel (Ni) and excludes cobalt (Co). The first coating layer includes aluminum (Al). The second coating layer includes cobalt (Co).

IPC Classes  ?

• C01G 53/504 - Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2 containing lithium and cobalt with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.5, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.5

Abstract

Disclosed are composite substrates, and rechargeable lithium batteries including the composite substrates. A composite substrate includes a support layer, a first metal layer on a top surface of the support layer, and a second metal layer on a bottom surface of the support layer. The support layer includes a first polymer and a second polymer that are different from each other. A tensile strength of the second polymer is greater than a tensile strength of the first polymer. An elongation of the first polymer is greater than an elongation of the second polymer.

IPC Classes  ?

• H01M 50/231 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the material of the casings or racks having a layered structure
• H01M 50/229 - Composite material consisting of a mixture of organic and inorganic materials
• H01M 50/233 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions
• H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material

Abstract

Examples of the present disclosure relate to a heat insulating sheet for a rechargeable lithium battery, and a rechargeable lithium battery module including the heat insulating sheet. The heat insulating sheet for a rechargeable lithium battery includes a first base layer and an aerogel-containing layer that are stacked together. The aerogel-containing layer includes a fibrous support, an aerogel, a first binder, and a second binder, and the second binder is a meltable binder with a melting point that ranges from about 30° C. to about 80° C.

IPC Classes  ?

• H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
• H01M 10/052 - Li-accumulators
• H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells