Battery modules, battery packs, and associated methods are disclosed. In one aspect, configurations are shown that include a number of battery cells arranged adjacent to one another to form a battery module. In one aspect, configurations are shown that include cylindrical battery cells. In one aspect, configurations are shown that include a thermal barrier adjacent to at least some of the number of cylindrical battery cells. Selected configurations include a thermal barrier that is woven within the number of battery cells.
H01M 10/6557 - Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
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
2.
PROTECTION OF ELECTRICAL COMPONENTS IN BATTERY SYSTEMS
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulated electrical connection element is protected from heat, gases, and/or particulate materials.
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 50/282 - Lids or covers for the racks or secondary casings characterised by the material having a layered structure
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 50/507 - 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
Methods and compositions herein relate to producing an aluminosilicate aerogel. The method may include receiving a silica precursor in solvent, hydrolyzing the silica precursor to produce colloidal silica, introducing an aluminum compound to the colloidal silica to produce a colloidal aluminosilicate suspension, converting the aluminosilicate suspension to an aluminosilicate gel composition, and forming the aluminosilicate aerogel by extracting fluid.
The present disclosure relates to methods and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include methods and systems having a compressible thermal barrier. The compressible thermal barrier is tailored in size (e.g., thickness, volume, etc.) to prevent thermal propagation between adjacent cells, modules and/or packs when a portion of an energy source has experienced a thermal event. The methods and systems mitigate thermal propagation such that a cell adjacent to a compromised cell (e.g., actively combusting cell) does not experience thermal runaway as it is shielded from dissipating heat and does not surpass a critical temperature. The present disclosure further relates to a battery module or pack with one or more battery cells and the compressible thermal barrier placed between adjacent cells.
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
B32B 1/00 - Layered products having a non-planar shape
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 15/02 - Layered products essentially comprising metal in a form other than a sheet, e.g. wire, particles
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
Battery modules, battery packs, thermal barriers and associated methods are disclosed. A device may include a number of battery cells. A device include at least one thermal barrier separating selected battery cells in the number of battery cells, the thermal barrier including an insulator layer; a dielectric reinforcing layer.
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
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
6.
LOW COMPRESSION SET AEROGELS AND AEROGEL COMPOSITES AND METHODS OF MAKING
This disclosure relates generally to acrogel technology. The disclosure relates more particularly, in various embodiments, to improved methods for producing acrogels and improved acrogel composites having a low compression set.
The present disclosure relates to materials and systems to manage thermal runaway issues in battery modules. In exemplary embodiments, a battery module includes battery cells separated by spacer elements. To mitigate thermal runaway issues, spacer elements may be extended to the interior surface of the enclosure. A seal is formed between the spacer elements and the interior wall to form a thermal barrier between adjacent battery cells.
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
F16L 59/02 - Shape or form of insulating materials, with or without coverings integral with the insulating materials
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/6555 - Rods or plates arranged between the cells
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
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 50/293 - 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
H01M 50/30 - Arrangements for facilitating escape of gases
A battery module (100) includes a plurality of battery cells (102). The battery cells define a heat transfer surface defining a cross-section area. The battery module includes one or more thermal barriers (110) dividing the plurality of battery cells into cell subdivisions (112, 114), each of the cell subdivisions having a cell subdivision energy storage capacity. The thermal barriers are formed from a volume of thermal insulation material. An areal energy density is equal to one half of the cell subdivision energy storage capacity divided by the cross section area. The volume of thermal insulation material divided by one half of the cell subdivision energy storage capacity defines a proportion.
H01M 10/647 - Prismatic or flat cells, e.g. pouch cells
H01M 10/651 - Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
H01M 10/655 - Solid structures for heat exchange or heat conduction
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
9.
THERMAL BARRIER WITH ENCAPSULATED ISOLATION MATERIAL LAYER AND METHOD
A thermal barrier, and associated methods for making the same are disclosed. In one aspect, a thermal barrier includes a porous material. One aspect of a thermal barrier includes an aerogel material. Aspects of thermal barriers are shown that include a conformal coating over an outer porous surface of an isolation material layer, wherein the conformal coating penetrates the outer porous surface of the isolation material layer to a penetration depth.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/24 - 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 from their environment, e.g. from corrosion
10.
MATERIALS, SYSTEMS, AND METHODS FOR ENCAPSULATING THERMAL BARRIER MATERIALS
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is encapsulated by a laminate film to form an insulation barrier. A support member is placed around at least a portion of an insulation layer. The support member provides a support for the insulation layer, allowing the insulation layer to be easily encapsulated and installed in a battery module or pack.
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
11.
NOVEL POROUS POLYMER COMPOSITIONS FOR THE SYNTHESIS OF MONOLITHIC BIMODAL MICROPOROUS/MACROPOROUS CARBON COMPOSITIONS USEFUL FOR SELECTIVE CO2 SEQUESTRATION
The present invention discloses novel porous polymeric compositions comprising random copolymers of amides, imides, ureas, and carbamic-anhydrides, useful for the synthesis of monolithic bimodal microporous/macroporous carbon aerogels. It also discloses methods for producing said microporous/macroporous carbon aerogels by the reaction of a polyisocyanate compound and a polycarboxylic acid compound, followed by pyrolytic carbonization, and by reactive etching with CO2 at elevated temperatures. Also disclosed are methods for using the microporous/macroporous carbon aerogels in the selective capture and sequestration of carbon dioxide.
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
C08G 18/34 - Carboxylic acidsEsters thereof with monohydroxyl compounds
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is placed in the encapsulation material used to encapsulate a pouch battery cell. The encapsulation layer for a pouch battery cell is made from a laminate film that comprises an insulation layer.
The present disclosure is directed to methods of forming polyamic acid, polyamic acid metal salt, and polyimide gels under aqueous conditions, the methods utilizing water-soluble carbonate or bicarbonate salts. These gels may be converted to aerogels or xerogels, which may further be converted to carbon aerogels or xerogels. Such carbon aerogels or xerogels have the same physical properties as carbon aerogels or xerogels prepared from polyimide aerogels obtained according to conventional methods, i.e., organic solvent-based methods.
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
Provided herein are composite materials for use in an electrical energy storage system (e.g. high capacity batteries) and methods for preparing the same. The composite materials of the present disclosure include silicon particles and a three-dimensional carbon network. The composite materials further include void space between an exterior surface of each silicon particles and the three-dimensional carbon network. The void space advantageously provides a space to accommodate volume changes of silicon particles during charging and discharging of the electrical energy storage systems.
Nanoporous carbon-based scaffolds or structures, and specifically carbon aerogels and their manufacture and use thereof are provided. Embodiments include a silicon-doped anode material for a lithium-ion battery, where the anode material includes beads of a polyimide-derived carbon aerogel. The carbon aerogel may further include silicon particles and accommodates expansion of the silicon particles during lithiation. The anode material provides optimal properties for use within the lithium-ion battery.
Provided herein are composite materials for use in an electrical energy storage system (e.g., high-capacity batteries) and methods for preparing the same. The composite materials of the present disclosure comprise a carbon-based core having a porous exterior surface and a coating on at least a portion of the porous exterior surface of the core. Such coatings are made from a material that is (i) substantially permeable to at least one type of metal ions or metal atoms, and (ii) substantially impermeable to liquids
The present disclosure is directed to methods of forming lithium transition metal phosphate and fluorophosphate materials in a conductive carbon matrix. The disclosed methods are advantageous in utilizing inexpensive reactants, can mitigate formation of impurities during the synthesis, providing a more homogenous product, and may provide cathode materials with enhanced tap density relative to prior lithium transition metal phosphates. The lithium transition metal phosphate and fluorophosphate materials prepared by the disclosed methods are intimately mixed with carbon within a continuous, three-dimensional conductive carbon matrix. The materials prepared according to the disclosed methods are suitable for use in environments involving electrochemical reactions, for example as cathode materials within a lithium-ion battery.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/02 - Electrodes composed of, or comprising, active material
H01M 4/136 - 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 4/62 - 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
18.
CARBON POWDER CONTAINING LITHIUM IRON PHOSPHATE CATHODE MATERIALS
Conglomerate particles comprising a porous carbon matrix with a plurality of cathode material particles at least partially embedded in the matrix are disclosed, as well as methods for their manufacture using predominantly aqueous chemistry. The conglomerate particles demonstrate surprisingly improved electrochemical properties when used as cathode materials as compared to the cathode material particles when non-embedded.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
C01B 32/05 - Preparation or purification of carbon not covered by groups , , ,
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
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
19.
SYNTHESIS OF TRANSITION METAL HYDROXIDES, OXIDES, AND NANOPARTICLES THEREOF
Techniques are disclosed for electrochemical synthesis of rechargeable battery cathode precursor materials using a porous carbon element. The porous carbon element acts as an air cathode to reduce oxygen. Reduced oxygen species may oxidize a transition metal anode, thereby facilitating a room temperature redox reaction with transition metals, including those that are generally resistant to corrosion, such as nickel. The transition metal reaction product(s) may be further processed into rechargeable battery cathode materials without also synthesizing hazardous waste products.
C25B 11/075 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
The present disclosure is generally directed to composite particles which include a matrix material having an innate matrix porosity having matrix pores; and a plurality of additive particles disposed within the matrix material. The present disclosure is further directed to methods of preparing such composite particles.
The present disclosure can provide an aerogel composite. The aerogel composite comprises at least one base layer having a top surface and a bottom surface, the base layer comprising a reinforced aerogel composition which comprises a reinforcement material and a monolithic aerogel framework, a first facing layer comprising a first facing material attached to the top surface of the base layer, and a second facing layer comprising a second facing material attached to the bottom surface of the base layer. At least a portion of the monolithic aerogel framework of the base layer extends into at least a portion of both the first facing layer and the second facing layer. The first facing material and the second facing material can each comprise or consist essentially of a non-fluoropolymeric material.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 3/06 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers togetherLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for attaching the product to another member, e.g. to a support
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/06 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a fibrous layer needled to another layer, e.g. of fibres, of paper
B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
B32B 5/22 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous
B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 7/09 - Interconnection of layers by mechanical means by stitching, needling or sewing
B32B 7/10 - Interconnection of layers at least one layer having inter-reactive properties
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
The present disclosure is directed to methods of forming polyamic acid and polyimide gels in water. The resulting polyamic acid and polyimide gels may be converted to aerogels, which may further be converted to carbon aerogels. Such carbon aerogels have the same physical properties as carbon aerogels prepared from polyimide aerogels obtained according to conventional methods, i.e., organic solvent-based. The disclosed methods are advantageous in reducing or avoiding costs associated with use and disposal of potentially toxic solvents and byproducts. Gel materials prepared according to the disclosed methods are suitable for use in environments involving electrochemical reactions, for example as an electrode material within a lithium-ion battery.
The present invention provides a fiber-reinforced aerogel material which can be used as insulation. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used. The fiber-reinforced aerogel insulation material can be as thin as 1 mm or less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a battery by incorporating a reinforced aerogel material into the battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.
H01M 50/138 - Primary casingsJackets or wrappings adapted for specific cells, e.g. electrochemical cells operating at high temperature
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 6/36 - Deferred-action cells containing electrolyte and made operational by physical means, e.g. thermal cells
H01M 6/50 - Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
H01M 50/116 - Primary casingsJackets or wrappings characterised by the material
Aerogel materials, aerogel composites, and the like may be improved by the addition of opacifiers to reduce the radiative component of heat transfer. Such aerogel materials, aerogel composites, and the like may also be treated to impart or improve hydrophobicity. Such aerogel materials and methods of manufacturing the same are described.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
The current disclosure provides reinforced aerogel compositions that are durable and easy to handle, have favorable performance in aqueous environments, have favorable insulation properties, and have favorable, reaction to fire, combustion and flame-resistance properties. Also provided are methods of preparing or manufacturing such reinforced aerogel compositions. In certain embodiments, the composition has a silica-based aerogel framework, reinforced with an open-cell macroporous framework, and includes one or more fire-class additives, where the silica-based aerogel framework comprises at least one hydrophobic-bound silicon and the composition or each of its components has desired properties.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C08L 61/28 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
Heating and processing a polymeric material is achieved using a microwave absorbing structure that defines a processing chamber to receive the polymeric material (e.g., one or more precursors to form a polymer). A microwave radiation source directs microwave radiation to the microwave absorbing structure, which absorbs the radiation and can process the material.
An aerogel composite sheet material and associated methods are disclosed. In one aspect, an aerogel composite sheet material includes a plurality of individual fiber sheets arranged in a stack, and a matrix including an aerogel surrounding the plurality of individual fiber sheets. In one aspect, an aerogel composite sheet material includes a fiber sheet and a matrix including an aerogel surrounding the fiber sheet. The aerogel composite sheet material can include an exposed major surface that includes a fracture surface.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 7/06 - Interconnection of layers permitting easy separation
28.
MATERIALS, SYSTEMS, AND METHODS FOR MITIGATION OF ELECTRICAL ENERGY STORAGE THERMAL EVENTS
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include a thermal barrier material that includes multiple layers. The multilayer thermal barrier material includes at least one insulation layer, at least one compressible pad, and optional one or more layers that have favorable heat-dissipating properties, have favorable fire, flame and/or abrasion-resistance properties, have favorable performance for use as thermal barriers. The present disclosure further relates to a battery module or pack with one or more battery cells and the multilayer thermal barrier material placed in thermal communication with the battery cell.
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 10/651 - Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/659 - Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
29.
Devices, systems, and methods for controlling vent gases and ejecta from thermal runaway events in energy storage systems
The present disclosure relates to materials and systems to manage thermal runaway issues in battery modules. In exemplary embodiments, a battery module includes battery cells separated by spacer elements. To mitigate thermal runaway issues, spacer elements may be extended to the interior surface of the enclosure. A seal is formed between the spacer elements and the interior wall to form a thermal barrier between adjacent battery cells.
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
F16L 59/02 - Shape or form of insulating materials, with or without coverings integral with the insulating materials
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/6555 - Rods or plates arranged between the cells
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
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 50/293 - 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
H01M 50/30 - Arrangements for facilitating escape of gases
30.
Systems and methods for mitigating thermal propagation in battery-based energy storage systems
The present disclosure relates to methods and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include methods and systems having a compressible thermal barrier. The compressible thermal barrier is tailored in size (e.g., thickness, volume, etc.) to prevent thermal propagation between adjacent cells, modules and/or packs when a portion of an energy source has experienced a thermal event. The methods and systems mitigate thermal propagation such that a cell adjacent to a compromised cell (e.g., actively combusting cell) does not experience thermal runaway as it is shielded from dissipating heat and does not surpass a critical temperature. The present disclosure further relates to a battery module or pack with one or more battery cells and the compressible thermal barrier placed between adjacent cells.
B32B 1/00 - Layered products having a non-planar shape
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 15/02 - Layered products essentially comprising metal in a form other than a sheet, e.g. wire, particles
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
31.
MATERIALS, SYSTEMS, AND METHODS FOR ENCAPSULATING THERMAL BARRIER MATERIALS
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is encapsulated to form an insulation barrier. A support member is placed around at least a portion of an insulation layer. The support member provides a support for the insulation layer, allowing the insulation layer to be easily encapsulated and installed in a battery module or pack.
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is encapsulated to form an insulation barrier. A particle capture layer is included in the insulation barrier. The particle capture layer captures particles released from the insulation barrier during compression of the insulation barrier.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
H01M 10/651 - Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
Various embodiments disclosed relate to a structural feature in a thermal barrier. The present disclosure includes a. battery module having a stack of battery cells located within a module housing and a thermal barrier comprising an aerogel between at least two cells in the stack of battery cells. The thermal barrier can include an isolation layer having a major plane. The structural feature can be distributed in the isolation layer. The structural feature can include a plurality of elements, each of the plurality of elements extending at least partially through the major plane.
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
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
A battery module, and associated methods are disclosed. In one aspect, a thermal management system is included with a stack of battery cells that provides both heating and cooling as needed. Aspects are shown that include heat exchangers with circulating media. Aspects are shown that include resistive elements.
This disclosure relates generally to aerogel technology. The disclosure relates more particularly, in various embodiments, to improved methods for producing aerogels and improved aerogel composites having a low compression set.
Silicon nanoparticles and methods for preparation of silicon nanoparticles are provided. Embodiments include a method for grinding silicon. Methods include providing silicon material, providing a grinding liquid including a polar solvent, and grinding the silicon material in the presence of the grinding liquid to yield silicon nanoparticles. Grinding the silicon in the presence of the grinding liquid can chemically functionalize the silicon material as the nanoparticles are formed to provide stable chemically functionalized nanoparticles.
The present disclosure is directed to methods of forming polyimide gels. The methods generally include forming a polyamic acid and dehydrating the polyamic acid with a dehydrating agent in the presence of water. The resulting polyimide gels may be converted to polyimide or carbon xerogels or aerogels. The methods are advantageous in providing rapid or even instantaneous gelation, which may be particularly useful in formation of beads comprising the polyimide gels. Polyimide or carbon gel materials prepared according to the disclosed method are suitable for use in environments containing electrochemical reactions, for example as an electrode material within a lithium-ion battery.
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
A battery module, and associated methods are disclosed. In one aspect, a battery module includes thermal isolation structures with a structural support- plate and an aerogel layer. Aspects of thermal isolation structures are shown that include a. module cover contact located on a top end of a structural support plate.
H01M 10/647 - Prismatic or flat cells, e.g. pouch 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 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
Various embodiments disclosed relate to a structural feature in a thermal barrier. The present disclosure includes a battery module having a stack of battery cells located within a module housing and a thermal barrier between at least two cells in the stack of battery cells. The thermal barrier can include an isolation layer and a structural feature distributed in the isolation layer. A thermal barrier for use in a battery module can include an isolation layer, the isolation layer configured to thermally isolate individual battery cells within the battery module; and a structural feature distributed within the isolation layer.
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
The present invention provides a fiber-reinforced aerogel material which can be used as insulation. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used. The fiber-reinforced aerogel insulation material can be as thin as 1 mm or less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a battery by incorporating a reinforced aerogel material into the battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.
H01M 50/138 - Primary casingsJackets or wrappings adapted for specific cells, e.g. electrochemical cells operating at high temperature
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 6/36 - Deferred-action cells containing electrolyte and made operational by physical means, e.g. thermal cells
H01M 6/50 - Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
H01M 50/116 - Primary casingsJackets or wrappings characterised by the material
A multilayer thermal barrier, batten7 modules, and associated methods are disclosed. In one example, a resilient layer of a multilayer thermal barrier is dimensioned to a footprint substantially the same size as a lithium-ion pouch cell. Configurations are shown where a thermal insulation layer extends laterally beyond the footprint.
H01M 10/647 - Prismatic or flat cells, e.g. pouch cells
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/6555 - Rods or plates arranged between the cells
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
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
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
42.
COATED BATTERY THERMAL ISOLATION STRUCTURE AND METHOD
A battery module, and associated methods are disclosed. In one example, a battery module includes thermal regulating member with a. structural support plate and an aerogel layer. An aerogel density gradient is shown at an interface between the structural support plate and the aerogel layer.
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 10/0587 - Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
H01M 10/647 - Prismatic or flat cells, e.g. pouch cells
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/103 - Primary casingsJackets or wrappings characterised by their shape or physical structure prismatic or rectangular
A battery module, and associated methods are disclosed. In one example, a battery module includes a carrier frame and a central separator. Battery modules are shown with a central separator that includes a textured, pattern in one or more opposing major surfaces. Battery modules are shown with a central separator that includes a thermal insulation layer as part of a central separator. Battery modules are shown with an aerogel thermal insulation layer.
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 50/293 - 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
H01M 10/6551 - Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
44.
INTELLIGENT THERMAL BARRIER AND METHOD OF MONITORING A BATTERY MODULE
Various aspects disclosed relate to a battery' module with an intelligent thermal barrier. The present disclosure includes a battery module including a stack of battery cells, a thermal barrier between at least two cells in the stack of battery- cells, and a module cover and housing enclosing the stack of battery cells. The thermal barrier can include at least an isolation layer comprising an aerogel, and at least one sensor.
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
A battery module, and associated methods are disclosed. In one example, a battery module includes thermal isolation structures with a. structural support plate and an aerogel layer. Examples of thermal isolation structures are shown that include a module cover contact located on a. top end of a structural support plate.
A battery' system, and associated, methods are disclosed. In one aspect, a battery system includes a. stack of battery cells, including two or more different thermal zones. Aspects are shows with two or more different thermal regulating members located between battery cells in the stack of lithium-ion battery cells at dividing location between the thermal zones.
H01M 10/647 - Prismatic or flat cells, e.g. pouch cells
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/6555 - Rods or plates arranged between the cells
H01M 50/211 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
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 50/291 - 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 50/293 - 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
H01M 50/30 - Arrangements for facilitating escape of gases
The present disclosure is directed to methods of forming polymer beads in a continuous or in-line manner (i.e., not a batch manner). The methods generally include providing or forming a sol solution followed by gelation through addition of a gelation initiator. To form the beads, an oil phase or a sol-immiscible solvent, optionally in the presence of a surfactant is combined with the sol to create an emulsion. In general, one or more continuous processing parameters (e.g., mixing speed, pressure, recirculation, etc.) is controlled to form uniformly sized polymer beads. The polymer beads formed in the continuous process can then be transported to downstream manufacturing stations (e.g., carbonization stations, drying stations, etc.). Methods of the present technology are advantageous in that the methods can be incorporated into commercial scale production procedures and methods allowing for more efficient manufacturing of beads, aerogels, and products incorporating the polymer beads.
Carbon-silicon compositions including nanofibrillar carbon networks coated with porous interconnected silicon and their manufacture and use thereof are provided. Embodiments include a composite material including a nanoporous carbon-based scaffold and a silicon-based material. The nanoporous carbon-based scaffold includes a pore structure that includes a fibrillar morphology, where the silicon-based material is contained in the pore structure. The compositions find utility in various applications, including electrical energy storage electrodes and devices comprising the same.
Described herein is a method of aging a wet gel material. The method comprises aging a wet gel material by heating the wet gel material in an aging fluid at an aging temperature above the normal boiling point of the aging fluid. This is accomplished by maintaining the pressure of aging fluid above the vapor pressure of the aging fluid during heating.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C04B 32/02 - Artificial stone not provided for in other groups of this subclass with reinforcements
H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof
The present disclosure relates to a method of producing an aerogel composite, the method includes compressing an aerogel composite, the aerogel composite including a gel dispersed about a reinforcing component. The method further includes heating the aerogel composite. The method further results in producing a compressed and heated aerogel composite, the produced aerogel composite comprising a plurality of pores, a. majority of which having a diameter less than 50 nm.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
51.
POROUS CARBON MATERIALS COMPRISING A CARBON ADDITIVE
The present disclosure is directed to methods of forming carbon aerogel materials which include (i.e., are doped with) a carbon additive such as graphene, graphene nanoribbons, graphene nanoplatelets, graphene oxide, carbon black, single wall carbon nanotubes, multiple wall carbon nanotubes, carbon nanofibers, or combinations thereof. The methods generally include providing an organogel precursor; adding a carbon additive or precursor thereof to the organogel precursor; inducing gelation of the organogel precursor to provide an organogel doped with the carbon additive or precursor thereof; drying the organogel to form an organic aerogel doped with the carbon additive or precursor thereof; and pyrolyzing the doped organic aerogel. The doped gel materials prepared according to the disclosed methods are suitable for use in environments involving electrochemical reactions, for example as an electrode material within a lithium-ion battery.
The present disclosure provides an aerogel composition which is intrinsically hydrophobic without surface modification by a hydrophobizing agent, is durable and easy to handle, which has favorable performance in aqueous environments, and which also has favorable combustion and self-heating properties. Also provided is a method of preparing an aerogel composition which is intrinsically hydrophobic without surface modification by a hydrophobizing agent, is durable and easy to handle, which has favorable performance in aqueous environments, and which has favorable combustion and self-heating properties.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C01B 33/141 - Preparation of hydrosols or aqueous dispersions
The present disclosure is directed to methods of forming lithium transition metal phosphate and fluorophosphate materials in a conductive carbon matrix. The disclosed methods are advantageous in utilizing inexpensive reactants, can mitigate formation of impurities during the synthesis, providing a more homogenous product, and may provide cathode materials with enhanced tap density relative to prior lithium transition metal phosphates. The lithium transition metal phosphate and fluorophosphate materials prepared by the disclosed methods are intimately mixed with carbon within a continuous, three-dimensional conductive carbon matrix. The materials prepared according to the disclosed methods are suitable for use in environments involving electrochemical reactions, for example as cathode materials within a lithium-ion battery.
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 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 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
54.
FUNCTIONALIZED SILICON NANOPARTICLES, COMPOSITE MATERIALS INCLUDING THEM, AND PREPARATION AND USES THEREOF
Provided herein are composite materials for use in electrical energy storage systems (e.g., high-capacity batteries) and methods for preparing the same. The composite materials of the present disclosure include a plurality of covalently functionalized silicon particles and a polymer network. Individual silicon particles within the plurality of silicon particles are dispersed throughout the polymer network. Covalently attached functional groups to a surface of the plurality of the silicon particles enable dispersion of the silicon particles throughout the polymer network.
H01M 4/134 - Electrodes based on metals, Si or alloys
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 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 4/02 - Electrodes composed of, or comprising, active material
Provided herein are composite materials for use in an electrical energy storage system (e.g., a high-capacity battery) and methods for preparing the same. The composite materials of the present disclosure include silicon particles having a sacrificial layer on at least a portion of a surface of the silicon particles and a three-dimensional network. The sacrificial layer of the present disclosure is between the surface of the silicon particles and a portion of the three-dimensional network.
Provided herein is composite materials for use in an electrical energy storage system (e.g. high capacity batteries) and methods for preparing the same. The composite materials of the present disclosure include silicon particles and a three-dimensional carbon network. The composite materials further include void space between an exterior surface of each silicon particles and the three-dimensional carbon network. The void space advantageously provides a space to accommodate volume changes of silicon particles during charging and discharging of the electrical energy storage systems.
The present disclosure provides an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which also has favorable combustion and self-heating properties. Also provided is a method of preparing an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which has favorable combustion and self-heating properties. Further provided is a method of improving the hydrophobicity, the liquid water uptake, the heat of combustion, or the onset of thermal decomposition temperature of an aerogel composition.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
Provided herein are composite materials for use in an electrical energy storage system (e.g., a high-capacity battery) and methods for preparing the same. The composite materials provided herein are also useful as substrates for chemical vapor deposition of silicon. The composite materials of the present disclosure include a three-dimensional carbon network and optional silicon particles. The composite materials further include mega pores, at least some of which are formed by carbonizing sacrificial particles dispersed throughout a three-dimensional network. The mega pores advantageously provide a space to accommodate the strain and stress in the electrode structure due to volume changes of silicon (particles) during charge and discharge of the electrical energy storage system.
Provided herein are composite materials for use in an electrical energy storage system (e.g., high-capacity batteries) and methods for preparing the same. The composite materials of the present disclosure comprise a three-dimensional carbon network and optional silicon particles. The composite materials further comprise macropores, at least some of which are formed by carbonizing sacrificial particles dispersed throughout a three-dimensional network. The macropores advantageously provide a space to accommodate the strain and stress in the electrode structure due to volume changes of silicon (particles) during charging and discharging of the electrical energy storage systems.
Techniques are disclosed for electrochemical synthesis of rechargeable battery cathode precursor materials using a porous carbon element. The porous carbon element acts as an air cathode to reduce oxygen. Reduced oxygen species may oxidize a transition metal anode, thereby facilitating a room temperature redox reaction with transition metals, including those that are generally resistant to corrosion, such as nickel. The transition metal reaction product(s) may be further processed into rechargeable battery cathode materials without also synthesizing hazardous waste products.
C25B 11/081 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the element being a noble metal
The present disclosure is directed to methods of forming polyamic acid, polyamic acid metal salt, and polyimide gels under aqueous conditions, the methods utilizing water-soluble carbonate or bicarbonate salts. These gels may be converted to aerogels or xerogels, which may further be converted to carbon aerogels or xerogels. Such carbon aerogels or xerogels have the same physical properties as carbon aerogels or xerogels prepared from polyimide aerogels obtained according to conventional methods, i.e., organic solvent-based methods.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C08G 73/10 - PolyimidesPolyester-imidesPolyamide-imidesPolyamide acids or similar polyimide precursors
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
Methods and compositions herein relate to producing an aluminosilicate aerogel. The method may include receiving a silica precursor in solvent, hydrolyzing the silica precursor to produce colloidal silica, introducing an aluminum compound to the colloidal silica to produce a colloidal aluminosilicate suspension, converting the aluminosilicate suspension to an aluminosilicate gel composition, and forming the aluminosilicate aerogel by extracting fluid.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
Nanoporous carbon-based scaffolds or structures, and specifically carbon aerogels and their manufacture and use thereof. Embodiments include a cathode material within a lithium-air battery, where the cathode is formed of a binder-free, monolithic, polyimide-derived carbon aerogel. The carbon aerogel includes pores that improve the oxygen transport properties of electrolyte solution and improve the formation of lithium peroxide along the surface and/or within the pores of the carbon aerogel. The cathode and underlying carbon aerogel provide optimal properties for use within the lithium-air battery.
H01M 12/06 - Hybrid cellsManufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
The present invention provides compositions and methods related to aerogel materials, including polyimide-based aerogels. In particular, aerogel materials optimized to have certain physical and chemical properties such as flexural and compressive strength are provided. In some embodiments, the aerogel materials can be at least partially carbonized.
B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 5/10 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a fibrous layer reinforced with filaments
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulated electrical connection element is protected from heat, gases, and/or particulate materials.
H01M 50/273 - Lids or covers for the racks or secondary casings characterised by the material
H01M 50/282 - Lids or covers for the racks or secondary casings characterised by the material having a layered structure
H01M 50/502 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing
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 50/507 - 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 50/526 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the material having a layered structure
66.
AEROGEL-BASED COMPONENTS AND SYSTEMS FOR ELECTRIC VEHICLE THERMAL MANAGEMENT
Aerogel-based components and systems for electric vehicle thermal management are provided. Exemplary embodiments include a heat control member. The heat control member can include reinforced aerogel compositions that are durable and easy to handle, have favorable performance for use as heat control members and thermal barriers for batteries, have favorable insulation properties, and have favorable reaction to fire, combustion and flame-resistance properties. Also provided are methods of preparing or manufacturing such reinforced aerogel compositions. In certain embodiments, the composition has a silica-based aerogel framework reinforced with a fiber and including one or more opacifying additives.
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
67.
COMPOSITIONS AND METHODS FOR PREPARING BATTERY ELECTRODES
The present disclosure is directed to lithium-ion battery anodes and components thereof. Further provided are processes for the preparation of lithium-ion battery anodes. Such processes generally include preparation of a slurry including an anode material, a binder material, a conductive material, and a solvent. The anode material includes a carbon-silicon composite, and optionally, graphite.
Conglomerate particles comprising a porous carbon matrix with a plurality of cathode material particles at least partially embedded in the matrix are disclosed, as well as methods for their manufacture using predominantly aqueous chemistry. The conglomerate particles demonstrate surprisingly improved electrochemical properties when used as cathode materials as compared to the cathode material particles when non-embedded.
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 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
69.
APPARATUS AND METHOD FOR HEATING AT PYROLYTIC TEMPERATURES USING MICROWAVE RADIATION
Heating and processing a polymeric material is achieved using a microwave absorbing structure that defines a processing chamber to receive the polymeric material (e.g., one or more precursors to form a polymer). A microwave radiation source directs microwave radiation to the microwave absorbing structure, which absorbs the radiation and can process the material.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is placed in the encapsulation material used to encapsulate a pouch battery cell. The encapsulation layer for a pouch battery cell is made from a laminate film that comprises an insulation layer.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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
H01M 10/6572 - Peltier elements or thermoelectric devices
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/291 - 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 50/293 - 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
71.
CARBON AEROGEL-BASED ELECTRODE MATERIALS AND METHODS OF MANUFACTURE THEREOF
Nanoporous carbon-based scaffolds or structures, and specifically carbon aerogels and their manufacture and use thereof are provided. Embodiments include a silicon-doped anode material for a lithium-ion battery, where the anode material includes beads of polyimide-derived carbon aerogel. The carbon aerogel includes silicon particles and accommodates expansion of the silicon particles during lithiation. The anode material provides optimal properties for use within the lithium-ion battery.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
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 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
72.
Segmented flexible gel composites and rigid panels manufactured therefrom
The present invention describes various methods for manufacturing gel composite sheets using segmented fiber or foam reinforcements and gel precursors. Additionally, rigid panels manufactured from the resulting gel composites are also described. The gel composites are relatively flexible enough to be wound and when unwound, can be stretched flat and made into rigid panels using adhesives.
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B32B 37/20 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
C04B 35/01 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is placed in the encapsulation material used to encapsulate a pouch battery cell. The encapsulation layer for a pouch battery cell is made from a laminate film that comprises an insulation layer.
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is encapsulated to form an insulation barrier. The encapsulation layer is made from a laminate film that comprises a malleable layer sandwiched between an outer polymer layer and an inner polymer layer.
B32B 1/00 - Layered products having a non-planar shape
B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 15/082 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising vinyl resinsLayered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising acrylic resins
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides
B32B 15/09 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyesters
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
This disclosure relates generally to aerogel technology. The disclosure relates more particularly, in various embodiments, to improved methods for producing aerogels and improved aerogel composites having a low compression set.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
Provided herein are composite materials for use in an electrical energy storage system (e.g., high-capacity batteries) and methods for preparing the same. The composite materials of the present disclosure comprise a carbon-based core having a porous exterior surface and a coating on at least a portion of the porous exterior surface of the core. Such coatings are made from a material that is (i) substantially permeable to at least one type of metal ions or metal atoms, and (ii) substantially impermeable to liquids.
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is encapsulated by a laminate film to form an insulation barrier. A support member is placed around at least a portion of an insulation layer. The support member provides a support for the insulation layer, allowing the insulation layer to be easily encapsulated and installed in a battery module or pack.
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include a barrier having a mechanically compressible layer that allows fluid flow through the barrier. The present disclosure further relates to a battery module or pack with one or more battery cells and the barrier placed in thermal communication with the battery cells.
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
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
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
B32B 7/00 - Layered products characterised by the relation between layers Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties Layered products characterised by the interconnection of layers
The present invention provides a fiber-reinforced aerogel material which can be used as insulation in thermal battery applications. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used in thermal battery applications. The fiber-reinforced aerogel insulation material can be as thin as 1 mm less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a thermal battery by incorporating a reinforced aerogel material into the thermal battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.
H01M 50/138 - Primary casingsJackets or wrappings adapted for specific cells, e.g. electrochemical cells operating at high temperature
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 50/122 - Composite material consisting of a mixture of organic and inorganic materials
The present disclosure provides an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which also has favorable combustion and self-heating properties. Also provided is a method of preparing an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which has favorable combustion and self-heating properties. Further provided is a method of improving the hydrophobicity, the liquid water uptake, the heat of combustion, or the onset of thermal decomposition temperature of an aerogel composition.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include a thermal barrier material that includes multiple layers. The multilayer thermal barrier material includes at least one insulation layer, at least one compressible pad, and optional one or more layers that have favorable heat-dissipating properties, have favorable fire, flame and/or abrasion-resistance properties, have favorable performance for use as thermal barriers. The present disclosure further relates to a battery module or pack with one or more battery cells and the multilayer thermal barrier material placed in thermal communication with the battery cell.
The present disclosure relates to non-flexible composite insulation materials comprising a metal oxide matrix reinforced with a fibrous material embedded therein. Specifically, the present disclosure relates to use of the non-flexible composite insulation materials for thermal batteries and the like. The non-flexible composite insulation materials with low thermal conductivity provided herein is capable of meeting the mechanical requirements for thermal battery design yet provides improved handleability compared to the commercially available insulators.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C04B 35/14 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on silica
The current disclosure provides reinforced aerogel compositions that are durable and easy to handle, have favorable performance in aqueous environments, have favorable insulation properties, and have favorable, reaction to fire, combustion and flame-resistance properties. Also provided are methods of preparing or manufacturing such reinforced aerogel compositions. In certain embodiments, the composition has a silica-based aerogel framework, reinforced with an open-cell macroporous framework, and includes one or more fire-class additives, where the silica-based aerogel framework comprises at least one hydrophobic-bound silicon and the composition or each of its components has desired properties.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C08L 61/28 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
Battery thermal management materials, compositions and systems are provided. Exemplary embodiments include a battery thermal management member. The battery thermal management member can include a heat protection layer and a resilient layer. Also provided are methods of preparing or manufacturing such battery thermal management members. In certain embodiments, the heat protection layer can include mica, microporous silica, ceramic fiber, mineral wool, aerogel or combinations thereof.
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
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
85.
Thermal insulation board comprising at least one aerogel composite material for the thermal insulation of buildings
The present invention relates to a thermal insulation board (IB) comprising at least two insulating layers (A) bonded together. At least one of the at least two insulating layers (A) comprises at least one aerogel composite material, wherein the aerogel composite material comprises at least one silica aerogel (a1), at least one polymer foam (a2) and at least one flame retardant (a3). The present invention also relates to a thermal insulation system (IS) comprising the thermal insulation board (IB). Further, it relates to a process for the production of the thermal insulation board (IB) and to the use of the thermal insulation board (IB) and of the thermal insulation system (IS) for the thermal insulation of buildings, parts and/or elements of buildings.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 13/04 - Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such substances as the main or only constituent of a layer, next to another layer of a specific substance
The present invention provides a fiber-reinforced aerogel material which can be used as insulation in thermal battery applications. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used in thermal battery applications. The fiber-reinforced aerogel insulation material can be as thin as 1 mm less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a thermal battery by incorporating a reinforced aerogel material into the thermal battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.
H01M 50/138 - Primary casingsJackets or wrappings adapted for specific cells, e.g. electrochemical cells operating at high temperature
H01M 50/116 - Primary casingsJackets or wrappings characterised by the material
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 6/36 - Deferred-action cells containing electrolyte and made operational by physical means, e.g. thermal cells
H01M 6/50 - Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
87.
MATERIALS, SYSTEMS, AND METHODS FOR MITIGATION OF ELECTRICAL ENERGY STORAGE THERMAL EVENTS
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include a thermal barrier material that includes multiple layers. The multilayer thermal barrier material includes at least one insulation layer, at least one compressible pad, and optional one or more layers that have favorable heat-dissipating properties, have favorable fire, flame and/or abrasion-resistance properties, have favorable performance for use as thermal barriers. The present disclosure further relates to a battery module or pack with one or more battery cells and the multilayer thermal barrier material placed in thermal communication with the battery cell.
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is encapsulated to form an insulation barrier. A particle capture layer is included in the insulation barrier. The particle capture layer captures particles released from the insulation barrier during compression of the insulation barrier.
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 27/14 - Layered products essentially comprising synthetic resin next to a particulate layer
The present disclosure relates to methods and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include methods and systems having a compressible thermal barrier. The compressible thermal barrier is tailored in size (e.g., thickness, volume, etc.) to prevent thermal propagation between adjacent cells, modules and/or packs when a portion of an energy source has experienced a thermal event. The methods and systems mitigate thermal propagation such that a cell adjacent to a compromised cell (e.g., actively combusting cell) does not experience thermal runaway as it is shielded from dissipating heat and does not surpass a critical temperature. The present disclosure further relates to a battery module or pack with one or more battery cells and the compressible thermal barrier placed between adjacent cells.
The present disclosure relates to materials and systems to manage thermal runaway issues in battery modules. In exemplary embodiments, a battery module includes battery cells separated by spacer elements. To mitigate thermal runaway issues, spacer elements may be extended to the interior surface of the enclosure. A seal is formed between the spacer elements and the interior wall to form a thermal barrier between adjacent battery cells.
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is encapsulated to form an insulation barrier. A support member is placed around at least a portion of an insulation layer. The support member provides a support for the insulation layer, allowing the insulation layer to be easily encapsulated and installed in a battery module or pack.
The present disclosure relates to materials and systems to manage thermal runaway issues in battery modules. In exemplary embodiments, a battery module includes battery cells separated by spacer elements. To mitigate thermal runaway issues, spacer elements may be extended to the interior surface of the enclosure. A seal is formed between the spacer elements and the interior wall to form a thermal barrier between adjacent battery cells.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
The present disclosure relates to materials and systems to manage thermal runaway issues in energy storage systems. Exemplary embodiments include an insulation layer that is encapsulated to form an insulation barrier. A support member is placed around at least a portion of an insulation layer. The support member provides a support for the insulation layer, allowing the insulation layer to be easily encapsulated and installed in a battery module or pack.
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
The present disclosure provides an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which also has favorable combustion and self-heating properties. Also provided is a method of preparing an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which has favorable combustion and self-heating properties. Further provided is a method of improving the hydrophobicity, the liquid water uptake, the heat of combustion, or the onset of thermal decomposition temperature of an aerogel composition.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
The present disclosure discusses a system with a nanoporous carbon material with a pore structure and lithium metal disposed adjacent to the nanoporous carbon material. The present disclosure discussion includes an electrical energy storage device including at least one anode, at least one cathode, and an electrolyte comprising lithium ions, wherein the electrical energy storage device has a first cycle efficiency of at least 50% and a reversible capacity of at least 150 mAh/g.
Nanoporous carbon-based scaffolds or structures, and specifically carbon aerogels and their manufacture and use thereof. Embodiments include a sulfur-doped cathode material within a lithium-sulfur battery, where the cathode is collector-less and is formed of a binder-free, monolithic, polyimide-derived carbon aerogel. The carbon aerogel includes pores that surround elemental sulfur and accommodate expansion of the sulfur during conversion to lithium sulfide. The cathode and underlying carbon aerogel provide optimal properties for use within the lithium-sulfur battery.
The present invention provides a fiber-reinforced aerogel material which can be used as insulation in thermal battery applications. The fiber-reinforced aerogel material is highly durable, flexible, and has a thermal performance that exceeds the insulation materials currently used in thermal battery applications. The fiber-reinforced aerogel insulation material can be as thin as 1 mm less, and can have a thickness variation as low as 2% or less. Also provided is a method for improving the performance of a thermal battery by incorporating a reinforced aerogel material into the thermal battery. Further provided is a casting method for producing thin fiber-reinforced aerogel materials.
H01M 50/138 - Primary casingsJackets or wrappings adapted for specific cells, e.g. electrochemical cells operating at high temperature
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
H01M 50/122 - Composite material consisting of a mixture of organic and inorganic materials
The invention relates to insulating composite materials comprising an inorganic aerogel and a melamine foam. The invention also relates to the product method of said materials, and to the use of same.
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
C04B 26/12 - Condensation polymers of aldehydes or ketones
C04B 38/00 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof
E04B 1/74 - Heat, sound or noise insulation, absorption, or reflectionOther building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
99.
FIBRILLAR CARBON-SILICON COMPOSITE MATERIALS AND METHODS OF MANUFACTURE THEREOF
Carbon-silicon compositions including nanofibrillar carbon networks coated with porous interconnected silicon and their manufacture and use thereof are provided. Embodiments include a composite material including a nanoporous carbon-based scaffold and a silicon-based material. The nanoporous carbon-based scaffold includes a pore structure that includes a fibrillar morphology, where the silicon-based material is contained in the pore structure. The compositions find utility in various applications, including electrical energy storage electrodes and devices comprising the same.
The present disclosure is directed to silica-carbon composite materials including a low bulk density carbon material having a skeletal framework of carbon nanofibers, the skeletal framework forming a pore structure comprising an array of interconnected pores. The silica-carbon composite materials further include a conformal coating layer of silica on the carbon nanofibers. Further provided are methods for preparation of the silica-carbon composite materials, and methods for reduction of the silica-carbon composite materials to provide silicon-carbon composite materials.
