The present disclosure relates to a lithium compound for recovering valuable metals and a method of recovering the same, and a method of recovering a lithium compound for recovering valuable metals includes: preparing a battery; freezing and forcibly discharging the battery; shredding the battery into a battery shredded material; and heating the battery shredded material, wherein the heating of the battery is performed in a temperature range of 1,100 to 1,400° C., a degree of vacuum (Log P [atm]) in the heating of the battery is in a range of −4 to 0, a lithium compound recovered through the heating of the battery contains impurities, and the impurities include, by wt %, 1.8 wt % or less (excluding 0 wt %) of Na, 0.06 wt % or less (excluding 0 wt %) of K, 0.62 wt % or less (excluding 0 wt %) of Ca, and 0.47 wt % or less (excluding 0 wt %) of Mg.
C01F 7/47 - Purification de l'oxyde d'aluminium, de l'hydroxyde d'aluminium ou des aluminates des aluminates, p. ex. l'élimination des composés de Si, Fe, Ga ou des composés organiques des liqueurs issues du procédé Bayer
C22B 1/248 - AgglutinationBriquetage de déchets métalliques ou d'alliages cokéfiés
C22B 7/00 - Mise en œuvre de matériaux autres que des minerais, p. ex. des rognures, pour produire des métaux non ferreux ou leurs composés
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Cho, Moonkyu
You, Seung Jae
Woo, Jung Gyu
Abrégé
The present invention relates to an anode active material for a lithium secondary battery and a manufacturing method thereof, the anode active material comprising a silicon-based substrate and a coating layer coated on the surface of the silicon-based substrate, wherein: the coating layer comprises a carbon layer and one or more nano-carbon beads; the carbon layer and the nano-carbon beads contain sulfur; and the content of the coating material in the coating layer may be 0.10-1.50 weight%.
The present invention relates to an electrodialysis device and an electrodialysis process, wherein the electrodialysis device comprises: at least one pair of bipolar membranes disposed adjacent to each of an anode and a cathode; an acid chamber in which cation dialysis membranes and anion dialysis membranes are alternately arranged, and which is disposed between the bipolar membranes and the anion dialysis membranes and receives an acid solution from an acid tank; a salt solution chamber which is disposed between the anion dialysis membranes and the cation dialysis membranes and receives a salt solution from a salt tank; a base chamber which is disposed on the cation dialysis membranes and the bipolar membranes and receives a base chamber solution from a base tank; and a pump member disposed to be connected to the acid tank and the salt tank.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
The embodiments of the present invention provide a drone and a control method therefor, in which, by converting a motor signal to a motor control signal in a general situation, the drone is controlled so as to fly along a specific flight trajectory, a specific situation is recognized by measuring attitude on the basis of sensor data, the difference between an input value and an estimated input value is estimated as estimated disturbance, the input value being outputted from a policy-based reinforcement learning network which has undergone reinforcement learning so as to output the input value by receiving a desired current state, and the estimated input value being outputted from a Bayesian network trained so as to output the estimated input value by receiving the current state and the next state, and the drone is controlled so as to fly while maintaining attitude by adjusting the motor control signal in the specific situation by means of a control signal in which disturbance that can actually occur is canceled by subtracting the estimated disturbance from the input value.
The negative electrode material for a lithium secondary battery of the present invention comprises a silicon-carbon composite including: silicon nanoparticles; crystalline carbon; carbon nanotubes; and first amorphous carbon, wherein the silicon nanoparticles, the crystalline carbon, and the carbon nanotubes are dispersed on the first amorphous carbon, and the minimum pore size inside the composite is more than 10 nm and 30 nm or less.
The present invention relates to a lithium-containing aqueous sulfuric acid solution and a method for preparing same. This method for preparing the aqueous sulfuric acid solution comprises the steps of: obtaining a valuable metal recovery composition from waste batteries, the valuable metal recovery composition containing valuable metal alloys, lithium compounds, copper (Cu), and graphite; separating graphite from the valuable metal recovery composition; performing sulfuric acid leaching of valuable metals, lithium compounds, and copper (Cu) in the valuable metal recovery composition; recovering the valuable metals and the copper (Cu) through solid-liquid separation in a leached lithium-containing aqueous sulfuric acid solution; and removing residual impurities from the leached lithium-containing aqueous sulfuric acid solution after the recovery step.
C22B 3/22 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques
The present invention relates to a method of disposing a battery and to a method of disposing a waste battery, comprising the steps of: preparing a battery; measuring the voltage of the battery; processing the battery at a low temperature equal to or lower than a minimum temperature according to the voltage of the battery; and shredding the battery, wherein the minimum temperature satisfies equation 1. Minimum temperature = 21.42857 + (-21.1255) x voltage + (-0.69264) x voltage2 ± 0.5 (In equation 1, voltage means a cell reference voltage of the battery).
The present invention relates to a battery shred and a method for disposing a battery. The battery shred of the present invention is for recovering valuable metals from a waste battery, and comprises: a positive electrode; a negative electrode disposed on the positive electrode; and a separator disposed between the positive electrode and the negative electrode. The negative electrode contains fluorine (F) having a content of 5.0-15.0 wt% based on 100 wt% of the total negative electrode.
H01M 10/54 - Récupération des parties utiles des accumulateurs usagés
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c.-à-d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
10.
UNIT BATTERY SHREDDED MATERIAL, BATTERY SHREDDED MATERIAL INCLUDING SAME, AND BATTERY PROCESSING METHOD
The present invention relates to a unit battery shredded material, a battery shredded material including same, and a battery processing method. The unit battery shredded material is for recovering valuable metal from a waste battery, wherein the unit battery shredded material has a layered structure including a separation film in which a cathode or an anode is stacked on at least one surface thereof, and satisfies conditions 1 to 3 in the present specification.
The present invention relates to a battery shredded material and a battery processing method. The battery shredded material for recovering valuable metals from a waste battery has a layered structure including a separator with at least one surface on which a cathode and an anode are stacked, wherein the amount of copper (Cu) in the anode includes 0.01 wt% to 2.5 wt% with respect to 100 wt% of the anode.
The present invention relates to a shredded battery material and a battery disposal method, wherein the shredded battery material is a shredded battery material obtained by dispersing and disposing at least one unit shredded battery material, and has an R value of 190 to 260 in RGB of a captured two-dimensional image.
The present invention relates to a high-temperature reduction device for waste battery recycling, the device comprising: a charging unit for inputting raw materials; a heating unit for heating the raw materials inputted from the charging unit; a cooling unit for cooling a heat-treated product; a discharge unit for discharging a reactant cooled from the cooling unit; and a monitoring unit including a first measurement unit for measuring the level of the raw materials inputted by the charging unit for inputting the raw materials in a furnace and a second measurement unit for measuring the level of the raw materials inputted by the raw material charging unit in the heating unit.
C22B 5/02 - Procédés généraux de réduction appliqués aux métaux par voie sèche
B09B 3/40 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant un traitement thermique, p. ex. évaporation
H01M 10/54 - Récupération des parties utiles des accumulateurs usagés
The present embodiments relate to a method for regenerating an aluminum-based lithium adsorbent. The method for regenerating an aluminum-based lithium adsorbent, according to an embodiment, includes: a step of preparing an aluminum-based lithium adsorbent of which activity is inhibited; and a step of reacting the adsorbent with a solution containing lithium, wherein, in the solution containing lithium, the concentration of lithium ions may be 0.6-5.0 g/L.
B01J 20/02 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique
B01J 20/04 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant des composés des métaux alcalins, des métaux alcalino-terreux ou du magnésium
15.
PREPARATION METHOD OF LITHIUM SULFIDE WITH LITHIUM POLYSULFIDE
A measurement method for measuring strength of particles, according to an embodiment of the present invention, may include the steps of: loading a particle sample into a sample loading space of a chamber unit; applying vibrations to the chamber unit by using a vibration generation unit so as to uniformly distribute the particle sample; and lowering an upper pressing unit at a predetermined speed to compress the particle sample and measure strength.
The present invention provides an ion exchange stack assembly and a method for operating same, the ion exchange stack assembly being formed of a plurality of ion exchange stacks, each including: an ion exchange membrane having an injection hole formed in at least one of one end or the other end thereof; a gasket positioned on one surface or both surfaces of the ion exchange membrane; and a housing supporting the ion exchange membrane and the gasket, wherein the ion exchange stacks are positioned in parallel, and the ion exchange membranes in the plurality of ion exchange stacks are connected to each other through a flow path.
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
18.
CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
The present invention relates to a cathode active material for a lithium secondary battery, the cathode active material comprising a nickel-containing lithium metal oxide in the form of a single particle, wherein the lithium metal oxide includes Zr and Ti as doping elements, and the ratio (I(003)/I(104)) of the peak intensity of the (003) plane to the peak intensity of the (104) plane in an X-ray diffraction pattern analysis of the lithium metal oxide is 1.53 to 1.7.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
The present invention relates to a device for producing hydrogen from ammonia for a ship. According to the present invention, high-pressure hydrogen can be produced by using liquefied ammonia for a ship, and hydrogen can be economically produced by utilizing unconverted ammonia discharged from a decomposition reactor and off-gas discharged from a pressure swing adsorption device as a heat source for ammonia decomposition through a heat exchange network of the ship.
C01B 3/04 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par décomposition de composés inorganiques, p. ex. de l'ammoniac
C01B 3/56 - Séparation de l'hydrogène ou des gaz contenant de l'hydrogène à partir de mélanges gazeux, p. ex. purification par contact avec des solidesRégénération des solides usés
C01C 1/10 - Séparation d'ammoniac de liqueurs ammoniacales, p. ex. de liqueurs contenant des gaz dissous
B63B 25/16 - Installations de chargement, p. ex. pour le rangement ou l'arrimageNavires spécialisés à cet effet pour chargement de marchandises fluides fermées isolées de la chaleur
B63B 35/44 - Constructions, magasins, plates-formes de forage ou ateliers flottants, p. ex. portant des appareils séparateurs huile-eau
20.
CONTROL METHOD AND CONTROL DEVICE OF HIGH-TEMPERATURE WATER ELECTROLYSIS SYSTEM
A control method of a high-temperature water electrolysis system, according to a first embodiment of the present invention, comprises the steps of: determining an operating temperature of a solid oxide water electrolysis stack in a high-temperature water electrolysis system including the solid oxide water electrolysis stack; selecting an operation mode of the solid oxide water electrolysis stack by comparing the operating temperature with a supply temperature of gas supplied to the solid oxide water electrolysis stack; determining a target voltage applied to the solid oxide water electrolysis stack according to the operation mode of the solid oxide water electrolysis stack; and applying the target voltage applied to the solid oxide water electrolysis stack in a step-up manner according to the operation mode of the solid oxide water electrolysis stack.
The present invention provides a water electrolysis stack assembly and a hot box apparatus. In an embodiment, provided is a water electrolysis stack assembly including: a case including an upper surface part, a side surface part, and a gas outflow pipe formed in the side surface part; and a stack accommodated in an inner space of the case, wherein a surface pressure is applied to the stack by the upper surface part of the case.
22O 2 on the basis of the total 100 wt% thereof, wherein the lithium sulfide powder has an oxygen content of 1 wt% or less and a carbon content of 0.15 wt% or less.
The present invention relates to a cathode active material for a lithium secondary battery, the cathode active material comprising: a lithium metal oxide having a nickel (Ni)-containing layered crystal structure in a single particle form; and a coating layer disposed on the surface of the lithium metal oxide and containing cobalt (Co) and fluorine (F), wherein in X-ray photoelectron spectroscopy (XPS) analysis of O1s on the outermost surface of the cathode active material, a first peak appears in a binding energy range of 530 eV to 532 eV, a second peak appears in a binding energy range of 528.5 eV to 529.5 eV, and the ratio of the height of the first peak to the height of the second peak (first peak/second peak) is from 3 to 3.5.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
The present invention relates to a cathode active material for a lithium secondary battery, the cathode active material comprising: a lithium metal oxide in a discrete particle form with a nickel (Ni)-containing layered crystal structure; and a coating layer encompassing the entire surface of the lithium metal oxide and containing an aluminum (Al) compound, wherein the lithium metal oxide has a c-axis lattice constant of 14.14-14.22 Å during X-ray diffraction pattern analysis and the average thickness of the coating layer is 0.5-1.5 nm.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
The present invention relates to a cathode active material for a lithium secondary battery, comprising: lithium metal oxide particles with a nickel (Ni)-containing layered crystal structure; and a coating layer that encompasses the entire surface of the lithium metal oxide particle and contains an aluminum (Al) compound, wherein, in the lithium metal oxide, the ratio (I(003)/I(104)) of the peak intensity of the (003) plane to the peak intensity of the (104) plane during X-ray diffraction pattern analysis is 1.52 or more.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
The present invention provides a lithium secondary battery comprising: a positive electrode; a negative electrode; and an electrolyte, wherein the positive electrode includes a positive electrode active material layer, the positive electrode active material layer includes a positive electrode active material, the positive electrode active material includes a lithium metal oxide including excess lithium and represented by chemical formula 1, the negative electrode includes a negative electrode active material layer, and the negative electrode active material layer includes a silicon-based negative electrode active material.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
28.
SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING SAME
The present invention relates to a solid electrolyte comprising: sulfide-based solid electrolyte particles; and a plurality of La-containing fine particles disposed on the surface of the sulfide-based solid electrolyte particles.
The present invention relates to a sulfide-based solid electrolyte comprising a compound containing lithium (Li), phosphorus (P), sulfur (S), and a halogen element (D) and having an argyrodite-based crystal structure, wherein at least a part of the crystal structure is doped with oxygen (O) and a transition metal element (M) composed of Nb, Ta, V, or a combination thereof.
The present invention relates to a sulfide-based solid electrolyte which contains lithium (Li), phosphorus (P), sulfur (S) and a halogen element (D) and comprises a compound with an argyrodite-based crystal structure, wherein at least a part of the crystal structure is doped with indium (In) and tin (Sn), and ion conductivity at 30°C is at least 3.21 mS/cm.
The present invention relates to a cathode active material for all-solid battery in a secondary particle form formed by aggregating a plurality of primary particles, wherein the secondary particles have an average particle diameter (D50) of 2-7 μm, and the cathode active material has a particle surface aspect resistance (PSAR) of 5-9 kΩ·μm2.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (République de Corée)
Inventeur(s)
Rho, Jun-Suk
Lee, Geon
Abrégé
An embodiment of the present invention provides an energy harvesting device including: an object; a propagation area disposed in a first area of the object; a coherence area disposed in a second area of the object and having a thickness varying along a width direction of the object; and an energy conversion unit disposed in the coherence area and converting elastic wave energy into electrical energy.
H02N 2/18 - Machines électriques en général utilisant l'effet piézo-électrique, l'électrostriction ou la magnétostriction fournissant une sortie électrique à partir d'une entrée mécanique, p. ex. générateurs
H02N 11/00 - Générateurs ou moteurs non prévus ailleursMouvements dits perpétuels obtenus par des moyens électriques ou magnétiques
H10N 30/30 - Dispositifs piézo-électriques ou électrostrictifs à entrée mécanique et sortie électrique, p. ex. fonctionnant comme générateurs ou comme capteurs
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (République de Corée)
Inventeur(s)
Rho, Jun-Suk
Kim, Joo-Hoon
Seong, Jun-Hwa
Abrégé
A metasurface according to one aspect of the present invention is a metasurface comprising: a substrate; and a plurality of nanostructures formed on at least one surface of the substrate, wherein each of the nanostructures comprises: a structure portion made of a polymer; and a high-refractive material layer formed on a surface of at least a part of the structure portion, and the high-refractive material layer has a refractive index of 2.0 or greater with respect to light having a wavelength of 400 nm.
An aspect of the present invention relates to a negative electrode material for a lithium secondary battery, a lithium secondary battery including the negative electrode material and a method for manufacturing same, the negative electrode material including a silicon-carbon composite capable of ensuring high capacity characteristics and excellent lifespan characteristics and including silicon nanoparticles, crystalline carbon, and first amorphous carbon, wherein the silicon nanoparticles and the crystalline carbon are distributed in the first amorphous carbon, wherein the silicon nanoparticles have a Dmax particle size of less than 250 nm and a grain size of 16.5 nm or more and less than 18 nm.
A positive electrode active material for a lithium secondary battery according to one embodiment is a nickel-containing layered lithium transition metal oxide and is composed of single particles including at least one of single particles composed of one primary particle and quasi-single particles formed by aggregating a plurality of primary particles, wherein the single particles comprise, on average, 5 to 15 primary particles, have an average particle diameter (D50) of 5 μm to 8 μm, and may have an average sphericity of 0.75 or more.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
The present invention relates to a lithium metal negative electrode and a method for manufacturing same. The lithium metal negative electrode of the present invention comprises: a current collector; a lithium metal thin film layer positioned on at least one surface of the current collector; and a film positioned on the surface of the lithium metal thin film layer, wherein the lithium metal thin film layer comprises organic layers disposed spaced apart from each other therewithin.
H01M 4/134 - Électrodes à base de métaux, de Si ou d'alliages
H01M 4/1395 - Procédés de fabrication d’électrodes à base de métaux, de Si ou d'alliages
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
38.
POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY
The present embodiments relate to a positive electrode active material precursor for a lithium secondary battery, a positive electrode active material, and a positive electrode comprising same. A positive electrode active material precursor for a lithium secondary battery according to an embodiment is a nickel-containing metal hydroxide containing nickel in the range of 0.6 to 0.75 mol relative to a total of 1 mol of transition metals, wherein the metal hydroxide has a zeta potential of -8 mV or higher and a specific surface area (BET) in the range of 4 m2/g to 11 m2/g.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
A method of recovering lithium, according to one embodiment of the present invention, may comprise the steps of: preparing a solution containing lithium; injecting a Ca-containing additive into the solution containing lithium so as to precipitate a magnesium-containing precipitate; and separating out the precipitated precipitate so as to obtain a filtrate.
C22B 3/12 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques alcalines
C22B 3/22 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques
A method for preparing lithium hydroxide, according to one embodiment of the present invention, comprises the steps of: injecting a lithium-containing source material into a roasting device and subjecting same to sulfuric acid-roasting; leaching the roasted lithium-containing source material so as to obtain a solution including lithium sulfate; purifying the leaching solution; and putting the purified solution into a bipolar electrodialysis device so as to obtain a lithium hydroxide aqueous solution, wherein the dilute sulfuric acid solution discharged from the bipolar electrodialysis device is concentrated by a concentrator so that the concentrated sulfuric acid is circulated and supplied to the roasting device, and the concentration ratio (Li/S) of lithium (Li) and sulfur (S) in the dilute sulfuric acid solution injected into the concentrator is 0.07 or less.
1+xabcde2-yyy In chemical formula 1, 0.1≤x≤0.15, 0.20≤a≤0.35, 0.05≤b≤0.15, 0.4≤c≤0.55, 0≤d≤0.1, 0.015≤y≤0.05, and x+a+b+c+d+e=1, M is at least one selected from Al, Ti, Nb, Ta, W, Zr, Y, Mg, Sc, Si, V, Fe, Mo, Ce, Hf, La, Sr, Sn, Sb, Zn, Cu, Ge, Mo, Ru and Ir, and D is at least one selected from F, Cl, Br and I.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
A cathode active material for a lithium secondary battery according to an embodiment includes: a metal oxide including nickel and manganese; and a coating layer located on the surface of the metal oxide and containing cobalt, wherein the content of nickel in the metal oxide is 0.75 mol or less based on 1 mol of the total metals excluding lithium, and expression 1 may be satisfied. [Expression 1] 22.0 ≤(A*C)/B ≤ 26.5 (wherein, in expression 1, A and B are an a-axis constant and a c-axis constant measured by XRD analysis with respect to the cathode active material, respectively, and C is a grain size measured by XRD analysis for the cathode active material)
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
The present invention relates to a composition for recovering lithium compounds and a battery treatment method. The battery treatment method of the present invention comprises the steps of: preparing a battery containing lithium (Li) and aluminum (Al); shredding the battery into battery shreds; and performing high-temperature heat treatment on the battery shreds, wherein the high-temperature heat treatment step includes a step of performing heat treatment at a temperature of 600-1,500°C and, in the step of preparing the battery, lithium and aluminum in the battery satisfy relation 1. 0.1 ≤[Li]/[Al]≤ 1.0 (In relation 4, [Li] and [Al] represent the weight percentages (wt%) of lithium and aluminum in the battery.)
B09B 3/40 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant un traitement thermique, p. ex. évaporation
B09B 3/80 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant une étape d'extraction
According to the present invention, recovered materials from waste batteries include 20-35 wt% of a valuable metal recovery alloy and 25-50 wt% of a lithium compound on the basis of 100 wt% of the recovered materials, with the remainder comprising graphite-based materials.
The present invention relates to a method of disposal of waste batteries. The method of disposal of waste batteries, of the present invention, comprises the steps of: preparing a product acquired by reducing and heat-treating crushed material recovered from waste batteries at a high temperature; magnetically separating the product into a first magnetic substance and a first non-magnetic substance; pulverizing the first magnetic substance so as to separate the first magnetic substance into a second magnetic substance and a second non-magnetic substance; and performing flotation sorting on the first non-magnetic substance.
B09B 3/40 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant un traitement thermique, p. ex. évaporation
The present embodiments provides a molten material removal device for a blast furnace tap hole, the device being used to remove molten material that has solidified around the blast furnace tap hole during blast furnace tapping, and comprising: a mobile object that can move; a manipulator that is installed on the mobile object and includes two or more linear or rotary actuators, and performs various motions; a work tool installed on the manipulator and including two grippers that are opened or closed by one of the actuators of the manipulator; and a wheel drive device that is installed below the mobile object and moves the mobile object by rotating wheels.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
The present disclosure relates to a document search technology, and provides a document search apparatus and method, the document search apparatus comprising: a preprocessing unit that preprocesses document data and generates preprocessed document data in order to store the document data in a vector database; a data management unit that splits the preprocessed document data, generates vector data by using a preset embedding model, and stores, in the vector database, a document corpus generated by clustering the vector data; and a search result derivation unit that, when a user query is input, calculates a document corpus ranking by using the user query and the document corpus, and derives a search result according to the document corpus ranking.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Choi, Joon-Sung
Lee, Byong-Pil
Woo, Kwang-Sun
Park, Jin-Gyun
Abrégé
2444), instead of elemental sulfur, as a sulfurizing agent, whereby the method exhibits improved efficiency and easier temperature control compared to conventional processes.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Choi, Joon-Sung
Lee, Byong-Pil
Woo, Kwang-Sun
Park, Jin-Gyun
Abrégé
244) instead of sulfur as a sulfide raw material, thereby having temperature control easier than that of a conventional method, and enabling efficiency to increase during the manufacture of nickel matte.
The present disclosure relates to a quality risk detection technology and provides an apparatus and method for detecting quality risk, wherein the method includes: acquiring, from a database, quality performance information of products manufactured on the basis of design conditions that have a predetermined level or higher level of similarity to the target design conditions; depending on the result of determining whether the number of the acquired quality performance information items is at least N (where N is an integer equal to or greater than 1), calculating either a first quality risk indicator or a second quality risk indicator via an artificial intelligence model; and outputting the result of quality risk detection for the target design conditions on the basis of either the first quality risk indicator or the second quality risk indicator thus calculated.
G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation
The present invention relates to a battery processing method, and the method comprises the steps of: preparing waste batteries; measuring an average charging and discharging time of the waste batteries; measuring an average charging and discharging time of module-unit waste batteries among the waste batteries, and comparing the measured value with the average charging and discharging time of the waste batteries; and depending on whether an average charging and discharging time of pack-unit waste batteries and a charging and discharging time of a module-unit waste battery satisfy equation 1 according to the present specification, determining whether a corresponding module is normal.
H01M 10/54 - Récupération des parties utiles des accumulateurs usagés
G01R 31/52 - Test pour déceler la présence de courts-circuits, de fuites de courant ou de défauts à la terre
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
B09B 3/40 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant un traitement thermique, p. ex. évaporation
The present invention relates to a method of disposing a battery and, more specifically, to a method of disposing a battery comprising a method for discharging a waste battery containing lithium, the method of disposing a battery comprising the steps of: preparing a battery; and water-discharging the battery in an aqueous solution containing a sulfuric acid-based ionic material, wherein the sulfuric acid-based ionic material is a by-product generated in a waste battery recycling process.
H01M 50/102 - Boîtiers primairesFourreaux ou enveloppes caractérisés par leur forme ou leur structure physique
C22B 3/06 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques acides
C22B 3/00 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés
55.
VALUABLE METAL RECOVERY ALLOY AND METHOD FOR RECOVERING VALUABLE METAL
The present invention relates to a valuable metal recovery alloy, a valuable metal recovery composition, and a method for recovering valuable metal. The valuable metal recovery alloy comprises 45 wt% or more of a valuable metal and the balance of impurities, on the basis of 100 wt% of the total composition of the alloy, and satisfies equation 1 below: 5.0 ≤ Cu/Ni ≤ 15.0
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (République de Corée)
Inventeur(s)
Chung, Garam
Jo, Chang Shin
Jeong, Yun Ho
Kim, Byoungju
Ko, Young-Seon
Abrégé
The present invention relates to a method for analyzing the quality of lithium sulfide in a lithium-sulfur electrode, which is a method for analyzing residual lithium compounds in a lithium-sulfide active material, and comprises the steps of: preparing an electrode including a positive electrode active material; charging and discharging the electrode to obtain first data on voltage according to capacity (specific capacity); and obtaining data according to an area value calculated by integrating a value (dQ/dV) obtained by differentiating a battery capacity (Q) according to the voltage (V) by the voltage (V) from the first data, and analyzing the data.
G01N 27/26 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables électrochimiquesRecherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en utilisant l'électrolyse ou l'électrophorèse
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/136 - Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p. ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
The present invention relates to a method for recovering lithium, the method comprising the steps of: preparing a waste liquid containing lithium and having a pH of at least 8; injecting a Ca compound into the waste liquid to remove impurities; and recovering lithium in the waste liquid from which the impurities have been removed.
C22B 3/12 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques alcalines
C22B 3/42 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par extraction utilisant l'échange d'ions
C22B 3/44 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés chimiques
The present invention relates to a screw feeder for transferring battery shreds. The screw feeder comprises: a housing surrounding a screw arranged in parallel with the direction of movement of the battery shreds; an input unit to which the battery shreds are input; a transfer unit for transferring the battery shreds input to the input unit; and a discharge unit for discharging the battery shreds. The screw feeder satisfies Formula 1 in the present specification.
B65G 33/14 - Transporteurs rotatifs à vis ou à hélice pour matériaux solides fluents comportant une vis ou plusieurs vis enfermées dans un carter tubulaire
B65G 33/24 - Transporteurs rotatifs à vis ou à hélice Détails
The present invention relates to a lithium adsorbent, which is an aluminum hydroxide-based compound and has a grain size of 15 nm or more as determined by the Scherer equation.
C22B 3/24 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques par adsorption sur des substances solides, p. ex. par extraction avec des résines solides
B01D 15/08 - Adsorption sélective, p. ex. chromatographie
60.
LITHIUM RECOVERY SYSTEM FOR RECOVERING LITHIUM FROM LITHIUM-CONTAINING SOLUTION
The present invention relates to a continuous circulation-type lithium recovery system comprising a plurality of columns, the system comprising: an adsorption unit comprising 1 to N adsorption columns for adsorbing lithium from a lithium-containing solution; and a desorption unit comprising 1 to M desorption columns for desorbing the lithium from the adsorbate that has passed through the adsorption unit. (Here, N is a value ranging from 2 to 5, and M is a value ranging from 2 to 10)
C22B 3/24 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques par adsorption sur des substances solides, p. ex. par extraction avec des résines solides
One embodiment of the present invention can provide a method of absorbing/desorbing lithium, comprising: an adsorption step of passing a lithium-containing solution through an adsorbent so as to obtain a lithium-adsorbed adsorbent; a washing step of passing a pretreatment solution through the lithium-adsorbed adsorbent so as to remove impurities; and a desorption step of passing a medium through the lithium-adsorbed adsorbent so as to obtain a lithium-containing desorption solution, wherein the pretreatment solution suppresses the desorption of the lithium adsorbed on the adsorbent in the washing step.
C22B 3/24 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques par adsorption sur des substances solides, p. ex. par extraction avec des résines solides
C22B 3/12 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques alcalines
62.
BATTERY STABILIZER AND BATTERY STABILIZATION SYSTEM
The present invention relates to a battery stabilizer and a battery stabilization system, and comprises: an input unit for inputting a sagger into which waste battery crushed material has been loaded; a transport unit for transporting the sagger into which the waste battery crushed material has been loaded; a first stabilization unit for stabilizing the waste battery crushed material at a temperature of 30°C or lower; a second stabilization unit for stabilizing, at a temperature of 30°C to 150°C, the waste battery crushed material that has passed through the first stabilization unit; and a discharge unit for discharging the stabilized waste battery crushed material, wherein the sagger includes a hot air inlet for supplying heat to the waste battery crushed material.
H01M 10/54 - Récupération des parties utiles des accumulateurs usagés
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
B09B 3/40 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif impliquant un traitement thermique, p. ex. évaporation
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
A recovering method of lithium according to the present invention comprises the steps of: preparing a lithium-containing solution; adding a decalcifier to the lithium-containing solution to form a calcium-containing precipitate; and separating the formed precipitate to obtain a calcium-removed, lithium-containing solution, wherein the recovery rate of lithium satisfies equation 1.
C22B 3/12 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques alcalines
C22B 3/22 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques
The present invention provides a hydrogen vent system for discharging hydrogen generated in a high-temperature water electrolysis stack to the outside, comprising: a first pipe unit connected to the high-temperature water electrolysis stack and having a curved portion; a drain line which is connected to the first pipe unit and through which condensed water is drained; and a discharge unit which is connected to the first pipe unit and which releases hydrogen upward into the air, wherein a surge tank that maintains pressure and moves the condensed water to the drain line is disposed in the first pipe unit.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Song, Jun-Hyuk
Nam, Sang Cheol
Park, Inchul
Yu, Byongyong
Choi, Geunho
Abrégé
The present invention relates to a cathode active material for a lithium secondary battery, the cathode active material comprising a first lithium transition metal oxide and a second lithium transition metal oxide, wherein the first lithium transition metal oxide and the second lithium transition metal oxide each independently have a molar ratio (Li/Me) of lithium to transition metal of greater than 1, an average particle diameter (D50) of the first lithium transition metal oxide is greater than an average particle diameter (D50) of the second lithium transition metal oxide, the first lithium transition metal oxide and the second lithium transition metal oxide are included in a weight ratio of 60:40 to 80:20 (first lithium transition metal oxide:second lithium transition metal oxide), and the first lithium transition metal oxide and the second lithium transition metal oxide each independently have a BET specific surface area of 1.0-3.5 m2/g.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
The present invention relates to a solid electrolyte comprising: a sulfide-based solid electrolyte particle; and a coating layer encompassing, in a thin-film form, the entire surface of the sulfide-based solid electrolyte particle, and containing fluoride, wherein the fluoride contains at least one from among Al, Zn, Si and Sn.
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (République de Corée)
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Rho, Jun-Suk
Park, Jeong-Hoon
Lee, Geon
Abrégé
One embodiment of the present invention provides an energy harvesting device comprising: a body; a plurality of unit pattern portions formed and arranged periodically on the body, each including a protrusion formed to protrude in one direction from a surface of the body and a through-hole formed to penetrate the body along the one direction; a defect portion disposed on the body and formed at a position adjacent to some of the plurality of unit pattern portions; and an energy conversion portion disposed in the defect portion.
H02N 2/18 - Machines électriques en général utilisant l'effet piézo-électrique, l'électrostriction ou la magnétostriction fournissant une sortie électrique à partir d'une entrée mécanique, p. ex. générateurs
H02N 11/00 - Générateurs ou moteurs non prévus ailleursMouvements dits perpétuels obtenus par des moyens électriques ou magnétiques
H10N 30/30 - Dispositifs piézo-électriques ou électrostrictifs à entrée mécanique et sortie électrique, p. ex. fonctionnant comme générateurs ou comme capteurs
68.
PRETREATMENT METHOD OF BRINE, BRINE PRETREATED USING SAME, AND RECOVERY METHOD OF LITHIUM, USING SAME
A pretreatment method for brine, according to the present invention, comprises the steps of: preparing brine containing one or more impurity ions selected from the group consisting of carbonate ions and bicarbonate ions; adjusting the pH of the brine to 5 or less; and injecting bubbles into the pH-adjusted brine so as to remove the impurity ions in the form of carbon dioxide.
C22B 3/06 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques acides
C22B 3/42 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par extraction utilisant l'échange d'ions
C22B 3/24 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques par adsorption sur des substances solides, p. ex. par extraction avec des résines solides
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
The present invention relates to a cathode active material for a lithium secondary battery, the cathode active material comprising lithium metal oxide particles having a composition with excess lithium and manganese and doped with sodium, wherein the lithium metal oxide has a structure in which lithium layers and transition metal layers are alternately stacked, the sodium is more heavily doped into the lithium layers than into the transition metal layers, and the sodium is predominantly doped at the surface of the lithium metal oxide particles.
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Song, Jun-Hyuk
Nam, Sang Cheol
Yu, Byongyong
Choi, Geunho
Lee, Hayeon
Choi, Sol
Kim, Jieun
Abrégé
The present invention relates to a cathode active material for a lithium secondary battery, the cathode active material comprising a lithium metal oxide having a composition with excess lithium and manganese, wherein the lithium metal oxide has a structure in which lithium layers and transition metal layers are alternately layered, the average interval between the lithium layers is 2.13 angstrom or more, and, in lithium metal oxide, the the molar ratio of cobalt to metals that exclude lithium is 0.05 or less.
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
The present invention relates to a cathode active material for an all-solid battery, the cathode active material being in the form of secondary particles formed by aggregating a plurality of primary particles, wherein the secondary particles have an average particle diameter (D50) of 2-7 μm, and the cathode active material has an average active area of 50-110 μm2.
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
H01M 4/131 - Électrodes à base d'oxydes ou d'hydroxydes mixtes, ou de mélanges d'oxydes ou d'hydroxydes, p. ex. LiCoOx
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
74.
METHOD FOR PREPARING BIOADHESIVE PARTICLES FOR IMMUNOSUPPRESSION, PARTICLES PREPARED USING SAME, AND LOCAL IMMUNOSUPPRESSION COMPOSITION THAT IS ADHESIVE TO SURFACES OF TRANSPLANTED ORGAN TISSUE, COMPRISING PARTICLES
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (République de Corée)
Inventeur(s)
Cha, Hyung-Joon
Lee, Sang-Min
Woo, Hyun-Tack
Lee, Hyeok-Jun
Choi, Geun-Ho
Abrégé
The present invention relates to a method for preparing bioadhesive particles for immunosuppression, particles prepared using same, and a local immunosuppression composition comprising same. More specifically, the present invention relates to a method for preparing bioadhesive particles for immunosuppression, particles prepared using same, and a local immunosuppression composition comprising same, the method comprising the steps of: preparing a first solution including a biocompatible oil and a surfactant; preparing a second solution, which is a precursor solution including mussel adhesive protein, an immunosuppressive agent, a photocrosslinkable compound and a solvent; and photocrosslinking a mixture of the first solution and the second solution.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (République de Corée)
Inventeur(s)
Rho, Jun-Suk
Kim, Hong-Yoon
Kim, Won-Geun
Abrégé
The present disclosure relates to a 3-dimensional nanostructure based on metamaterials. More specifically, the 3-dimensional nanostructure is a fibrous structure comprising: meta molecules including non-conductive nanoparticles and first conductive nanoparticles that are smaller than the non-conductive nanoparticles and surround the surface of the non-conductive nanoparticles; and second conductive nanoparticles positioned in spaces between the meta molecules, wherein the fibrous structure includes a straight region, a curved region that is bent or folded, a twisted region, a tapering region in which the minor axis diameter decreases or increases, or a combination thereof.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION (République de Corée)
Inventeur(s)
Rho, Jun-Suk
Park, Jeong-Hoon
Lee, Dong-Woo
Kim, Seok-Woo
Abrégé
The present invention relates to an elastic wave focusing device, comprising: an elastic bar which extends in a first direction by a first length; and a sealed cavity which is formed in the elastic bar, wherein the cavity is filled with a first fluid, and if vibration is applied to an end portion of the elastic bar, elastic waves are focused on the elastic bar between the end portion and the center of the cavity.
The present invention relates to a lithium metal electrode and method of manufacturing same. The lithium metal electrode of the present invention comprises: a current collector; a metal layer positioned on at least one surface of the current collector and including a lithium alloy; and a protective layer positioned on the metal layer. The porosity of the protective layer is 30-60%, and the binder content is 5-15 wt % with reference to 100 wt % of the entire amorphous carbon in the protective layer.
A method for recovering lithium according to one embodiment of the present invention comprises: a step of preparing a solution containing lithium; a precipitation step of forming a precipitate by adding an impurity remover to the solution containing lithium; and a solid-liquid separation step of mixing a solid-liquid separation aid into a slurry, and separating and thereby obtaining a filtrate, wherein the solid-liquid separation aid may include an ore residue.
C22B 3/12 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques alcalines
C22B 3/22 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p. ex. LiNiO2, LiCoO2 ou LiCoOxFy
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p. ex. LiMn2O4 ou LiMn2OxFy
The present invention relates to a method for predicting electrochemical properties of a cathode active material for an all-solid-state battery, the method comprising: a first step of obtaining a scanning electron microscope (SEM) image of a cathode active material for an all-solid-state battery, which is in the form of secondary particles, each composed of the aggregation of a plurality of primary particles; a second step of deriving the average radius of primary particles and the average number of primary particles present in secondary particles from the SEM image; a third step of deriving the average active area from the derived average radius of primary particles and average number of primary particles present in secondary particles; and a fourth step of predicting rate characteristics of the all-solid-state battery from the derived average active area.
G01N 23/2251 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en mesurant l'émission secondaire de matériaux en utilisant des microsondes électroniques ou ioniques en utilisant des faisceaux d’électrons incidents, p. ex. la microscopie électronique à balayage [SEM]
G01N 27/26 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables électrochimiquesRecherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en utilisant l'électrolyse ou l'électrophorèse
H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
81.
METHOD AND DEVICE FOR DETECTING ABNORMALITIES IN WINDOWS-BASED ELECTRODIALYSIS EQUIPMENT
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Lee, Sihwa
Kim, Kyunghoon
Kim, Dong Soo
Seo, Bae Mun
Wi, Jin Yeop
Abrégé
A method for detecting abnormalities in window-based electrodialysis equipment, according to one embodiment, comprises the steps of: setting an input window range for a control variable of electrodialysis equipment; converting time-series data of the control variable into continuous section unit data corresponding to the input window range; predicting a management variable corresponding to the control variable through an artificial intelligence model trained on the basis of the continuous section unit data; and comparing the predicted management variable to a reference value so as to detect whether there are abnormalities in the electrodialysis equipment.
C02F 1/469 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par séparation électrochimique, p. ex. par électro-osmose, électrodialyse, électrophorèse
G05B 13/04 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
82.
METHOD AND DEVICE FOR PREDICTING LITHIUM CONCENTRATION BASED ON ARTIFICIAL INTELLIGENCE
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Lee, Sihwa
Kim, Kyunghoon
Kim, Hye Jeong
Kim, Dong Soo
Seo, Bae Mun
Wi, Jin Yeop
Abrégé
A method for predicting lithium concentration based on artificial intelligence, according to an embodiment, comprises: a cleaning step of obtaining a plurality of first variables through preprocessing of a plurality of initial variables used in an electrodialysis facility that produces lithium; a preprocessing step of inputting the plurality of first variables to a boosting-based artificial intelligence model to preprocess same, and obtaining final variables; and a step of inputting the final variables to the boosting-based artificial intelligence model to predict the concentration of the lithium.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Lee, Sihwa
Kim, Kyunghoon
Kim, Dong Soo
Seo, Bae Mun
Wi, Jin Yeop
Abrégé
A lithium production method according to an embodiment of the present invention comprises the steps of: calculating a main variable for determining a production amount of a production tank in an electrodialysis facility through an artificial intelligence model; setting a range of input conditions for the calculated main variable; and inputting, to the artificial intelligence model, input conditions within the set range to calculate a production amount and production results, which correspond to the input conditions, and if the calculated production amount and production results meet specific conditions, determining final operating conditions from the production amount and production results.
Provided according to exemplary embodiments of the present invention is an ammonia decomposition system capable of minimizing the generation of iron nitride, which is a by-product.
C01B 3/04 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par décomposition de composés inorganiques, p. ex. de l'ammoniac
C21B 13/00 - Fabrication de fer spongieux ou d'acier liquide par des procédés directs
C22B 5/12 - Procédés généraux de réduction appliqués aux métaux par voie sèche par des gaz
B01J 8/00 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés
B01J 8/18 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés les particules étant fluidisées
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
85.
METHOD FOR DETECTING COMPLEX EVENT USING STREAM DATA PATTERN ANALYSIS AND APPARATUS THEREFOR
The present disclosure relates to a technique of detecting a complex event by using stream data pattern analysis and provides an apparatus and method, the apparatus comprising: a data receiving unit; a stream data conversion unit for inputting unstructured data into one or more preset artificial intelligence models and converting the unstructured data into stream data; a stream data purification unit for performing delay compensation and synchronous mapping on stream data called from a data storage management object and generating purified stream data; an event processing unit for extracting complex event information by using the purified stream data; and a monitoring unit for determining whether a complex event occurs.
According to exemplary embodiments of the present invention, a hydrogen production system is provided. The present invention comprises: a hydrogen generation unit configured to receive reduced iron from a reduced iron generation unit configured to generate reduced iron by reducing powdered iron ore in a reducing gas atmosphere, and to generate hydrogen from ammonia by bringing the reduced iron into contact with the ammonia; and a regeneration unit configured to receive the reduced iron from the hydrogen generation unit and to regenerate the reduced iron by reducing the reduced iron in a hydrogen gas atmosphere. According to other exemplary embodiments of the present invention, a method for producing hydrogen is provided.
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY (République de Corée)
Inventeur(s)
Min, Jung-Gi
Byun, Young-Chul
Lee, Young-Bong
Kim, Hwan-Ki
Ha, Jae-Hyeok
Abrégé
32444) by using waste liquid generated in the step of preparing the sodium bicarbonate, wherein the impurity leaching inhibitor includes a sulfur (S)-containing material. According to the present invention, impurities such as mercury (Hg) and lead (Pb) may be prevented from being leached in waste generated during a process of manufacturing sodium bicarbonate and gypsum. Accordingly, as designated waste can now be treated as general waste, a reduction in waste treatment costs can be expected.
An embodiment can provide an apparatus and a method for controlling a railway vehicle, which receive railway control information, sensing information generated by a sensor, and location information calculate estimated travel route information of the railway vehicle on the basis of the railway control information and the location information, extract track area information according to a preset track area extraction algorithm on the basis of the sensing information, extract obstacle location information according to one or more preset object extraction algorithms on the basis of the sensing information, and determine whether the railway vehicle is in danger by using at least one of the estimated travel route information, the track area information and the obstacle location information.
B61L 15/00 - Indicateurs de signalisation sur le véhicule ou sur le train
B61L 23/04 - Dispositifs de commande, d'avertissement ou autres dispositifs de sécurité le long de la voie ou entre les véhicules ou les trains pour contrôler l'état mécanique de la voie
B61L 27/04 - Systèmes automatiques, p. ex. commandés par les trainsPassage à la commande manuelle
G06V 20/58 - Reconnaissance d’objets en mouvement ou d’obstacles, p. ex. véhicules ou piétonsReconnaissance des objets de la circulation, p. ex. signalisation routière, feux de signalisation ou routes
The present invention relates to a railway vehicle control apparatus and method for controlling a railway vehicle, which receive sensing information through a sensor of the railway vehicle in an autonomous driving situation, determine the presence of a torpedo ladle car (TLC) by using a TLC detection algorithm based on the sensing information, calculate the distance to the TLC by using a distance measurement algorithm based on the sensing information, determine a fastening state of a TLC fastener by using a fastener recognition algorithm based on the sensing information, and control the speed of the railway vehicle by using the three factors of whether the TLC is present, the distance to the TLC, and the fastening state of the TLC fastener.
B61L 15/00 - Indicateurs de signalisation sur le véhicule ou sur le train
B61L 27/04 - Systèmes automatiques, p. ex. commandés par les trainsPassage à la commande manuelle
G06V 20/56 - Contexte ou environnement de l’image à l’extérieur d’un véhicule à partir de capteurs embarqués
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
G06V 10/764 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant la classification, p. ex. des objets vidéo
B22D 41/12 - Poches de transfert ou récipients similairesChariots pour poches
90.
METHOD AND DEVICE FOR PREPROCESSING FOR AUTO-LABELING OF DATA FOR SLAG REMOVAL AUTOMATION
The present disclosure provides a device for preprocessing for auto-labeling of data for slag removal automation. The device comprises: an image acquisition unit for acquiring an image of a ladle containing molten iron; a slag area determination unit for determining a slag area, which is an area in the image occupied by slag; and a coordinate adjustment unit for adjusting the number of coordinates constituting the slag area.
G06V 20/70 - Étiquetage du contenu de scène, p. ex. en tirant des représentations syntaxiques ou sémantiques
G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
G06V 10/26 - Segmentation de formes dans le champ d’imageDécoupage ou fusion d’éléments d’image visant à établir la région de motif, p. ex. techniques de regroupementDétection d’occlusion
G06V 10/46 - Descripteurs pour la forme, descripteurs liés au contour ou aux points, p. ex. transformation de caractéristiques visuelles invariante à l’échelle [SIFT] ou sacs de mots [BoW]Caractéristiques régionales saillantes
G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques
C21C 7/00 - Traitement à l'état liquide des alliages ferreux, p. ex. des aciers, non couverts par les groupes
The present disclosure relates to a railway vehicle autonomous driving technology, and provides an apparatus and a method for detecting an obstacle by using multiple camera sensors, the apparatus comprising: a reception unit for receiving two or more pieces of image information generated at the same time from two or more camera sensors, respectively; an image integration unit for converting the two or more pieces of image information into one integrated image; a region of interest setting unit for setting a region of interest in the integrated image, by using location information and control information of a railway vehicle; and an obstacle detection unit for detecting an obstacle in the region of interest.
B61L 23/04 - Dispositifs de commande, d'avertissement ou autres dispositifs de sécurité le long de la voie ou entre les véhicules ou les trains pour contrôler l'état mécanique de la voie
G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
G06V 20/58 - Reconnaissance d’objets en mouvement ou d’obstacles, p. ex. véhicules ou piétonsReconnaissance des objets de la circulation, p. ex. signalisation routière, feux de signalisation ou routes
G06V 10/44 - Extraction de caractéristiques locales par analyse des parties du motif, p. ex. par détection d’arêtes, de contours, de boucles, d’angles, de barres ou d’intersectionsAnalyse de connectivité, p. ex. de composantes connectées
G06T 5/50 - Amélioration ou restauration d'image utilisant plusieurs images, p. ex. moyenne ou soustraction
G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
92.
OBJECT DETECTION APPARATUS AND METHOD USING MONOCULAR CAMERA
The present embodiments may provide an object distance calculation apparatus and method in which, by means of deep learning, an object on a railroad is recognized from information on an image captured by a monocular camera and the distance to the object can be calculated and corrected.
G06T 7/536 - Récupération de la profondeur ou de la forme à partir des effets de perspective, p. ex. en utilisant des points de fuite
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
The present embodiments provide a drone and a method for measuring a water depth by the drone, the drone comprising: a winch attached to a lower portion thereof, having a motor embedded therein, and providing a rotational force; a winch-type dimensional measuring tapeline having a scale marked thereon and moving up and down by a shaft of the motor; a water collection container connected to a lower end of the winch-type dimensional measuring tapeline; a buoy positioned between the winch and the water collection container and positioned on the water surface when the water collection container is submerged below the water surface; a camera for recognizing the scale of the winch-type dimensional measuring tapeline; and a payload in which the camera and the winch are arranged and which controls the winch and the camera.
B64D 1/22 - Enlèvement d'objets à la surface du sol
B64C 39/02 - Aéronefs non prévus ailleurs caractérisés par un emploi spécial
G01N 1/10 - Dispositifs pour prélever des échantillons à l'état liquide ou fluide
G01C 13/00 - Géodésie spécialement adaptée à l'eau libre, p. ex. à la mer, aux lacs, aux rivières ou aux canaux
G01F 23/30 - Indication ou mesure du niveau des liquides ou des matériaux solides fluents, p. ex. indication en fonction du volume ou indication au moyen d'un signal d'alarme par des flotteurs
B64U 101/35 - Véhicules aériens sans pilote spécialement adaptés à des utilisations ou à des applications spécifiques à la science, p. ex. à la météorologie
The present disclosure relates to a technique for detecting the presence of hyperemia in the eye and provides an apparatus and method for detecting ocular hyperemia, the apparatus comprising: an image acquisition unit that acquires image information; a feature point acquisition unit that acquires eye region feature points of an eye region image extracted from the image information; an eye sub-region extraction unit that extracts an eye sub-region image through segmentation using the eye region feature points; a conjunctival region image generation unit that detects an iris region from the eye region image or the eye sub-region image and generates a conjunctival region image by using the eye sub-region image and the iris region; and a determination unit that inputs the conjunctival region image to a pre-trained hyperemia determination algorithm, so as to derive a classification result value regarding the presence or absence of hyperemia.
A61B 3/00 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux
A61B 3/12 - Appareils pour l'examen optique des yeuxAppareils pour l'examen clinique des yeux du type à mesure objective, c.-à-d. instruments pour l'examen des yeux indépendamment des perceptions ou des réactions du patient pour examiner le fond de l'œil, p. ex. ophtalmoscopes
A61B 3/14 - Dispositions spécialement adaptées à la photographie de l'œil
The present embodiments provide a drone and a drone control method therefor, the drone being controlled to fly along a specific flight trajectory through the conversion of a motor signal into a motor control signal under normal circumstances, using a trained spike neural network to measure orientation on the basis of sensor data so that specific situations are recognized, and being controlled to fly while maintaining orientation through the adjustment of the motor control signal in the specific situations.
The present embodiments relate to an apparatus and a method for monitoring a railway track, and a railway vehicle. The apparatus for monitoring a railway track may comprise: a preprocessing unit for acquiring a railway track route from an input image, and converting the railway track route into a straight railway track route to acquire a preprocessed image; and a recognition unit for recognizing an atypical object, which may be an obstacle present along the railway track route, from the preprocessed image.
B61L 23/04 - Dispositifs de commande, d'avertissement ou autres dispositifs de sécurité le long de la voie ou entre les véhicules ou les trains pour contrôler l'état mécanique de la voie
B61L 15/00 - Indicateurs de signalisation sur le véhicule ou sur le train
G06V 20/58 - Reconnaissance d’objets en mouvement ou d’obstacles, p. ex. véhicules ou piétonsReconnaissance des objets de la circulation, p. ex. signalisation routière, feux de signalisation ou routes
G06V 20/56 - Contexte ou environnement de l’image à l’extérieur d’un véhicule à partir de capteurs embarqués
G06V 10/26 - Segmentation de formes dans le champ d’imageDécoupage ou fusion d’éléments d’image visant à établir la région de motif, p. ex. techniques de regroupementDétection d’occlusion
G06N 3/088 - Apprentissage non supervisé, p. ex. apprentissage compétitif
97.
PRECURSOR FOR NEGATIVE ELECTRODE MATERIAL OF LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
One aspect of the present invention provides: a precursor for a negative electrode material of a lithium secondary battery; and a method for manufacturing same, wherein by controlling the molding density of a negative electrode material precursor of a lithium secondary battery, high capacity characteristics and excellent lifespan characteristics of a negative electrode material can be ensured.
The present disclosure relates to an artificial intelligence performance monitoring technology, and provides an apparatus and method for monitoring the performance of an artificial intelligence model, the apparatus comprising: a first abnormality detection unit that stores input data received from a database for a preset period to generate statistical information and compares the statistical information with preset reference statistical information to detect whether an abnormality has occurred in the input data; a second abnormality detection unit that inputs the input data to a preset abnormality detection model and detects whether an abnormality has occurred in the input data on the basis of an output value of the abnormality detection model; and a third abnormality detection unit that inputs the input data to a preset artificial intelligence model and detects whether an abnormality has occurred in the artificial intelligence model by using output data of the artificial intelligence model.
The present invention provides an apparatus for detecting an abnormality of a filter cloth of a horizontal filter press, the apparatus comprising: a sensing unit including a plurality of sensors for acquiring sensing information at a slurry inlet, a filtrate outlet, and an air inlet of the horizontal filter press; and a control unit for selecting one abnormality detection algorithm among a plurality of abnormality detection algorithms on the basis of training completeness and determining whether the filter cloth of the horizontal filter press is abnormal on the basis of output values of the abnormality detection algorithm, wherein the output values are derived using the sensing information as input values.
G06N 3/043 - Architecture, p. ex. topologie d'interconnexion fondée sur la logique floue, l’appartenance floue ou l’inférence floue, p. ex. systèmes d’inférence neuro-floue adaptatifs [ANFIS]
The present invention relates to a valuable metal recovery composition and a method of recovering a valuable metal. The valuable metal recovery composition comprises: a valuable metal recovery alloy including a carbon layer; and a lithium compound, wherein the carbon layer is disposed on at least portions of the surface and inside of the valuable metal recovery alloy, and the content of carbon (C) in the carbon layer is at least 60 wt% with respect to 100 wt% of the carbon layer.
