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1718
resultados
Última actualización
03/10/2025 [07:23:00]
Resultados 1350 a 1375 de 1718
Resumen de: US2025293408A1
To provide a secondary battery that has both high safety and a short charge and discharge time. The secondary battery is a wound secondary battery, and a positive electrode current collector of a positive electrode includes a first tab and a second tab, and a negative electrode current collector of a negative electrode includes a third tab and a fourth tab. The first tab is positioned in a portion closer to a center of a winding than the second tab is, and the third tab is positioned in a portion closer to the center of the winding than the fourth tab is. The first tab and the second tab are bonded in a first bonding portion, and the third tab and the fourth tab are bonded in a second bonding portion. The positive electrode active material includes a first region and a second region positioned on a surface side of the positive electrode active material. The first region contains lithium, cobalt, and oxygen. The second region contains lithium, cobalt, magnesium, and oxygen.
Resumen de: US2025293345A1
An energy storage system includes a container, a rack frame inside the container, a battery module configured to be stored in the rack frame, a cooling line that is connected to the battery module and configured to allow coolant to circulate through the battery module, and a blocking portion configured to block the coolant from leaking to an outside of the container.
Resumen de: US2025293410A1
A case of the herein disclosed electric storage device includes an electrode terminal, and a sealing material. The electrode terminal includes a shaft part and a plate part. Then, the sealing material includes a side surface protecting part configured to cover the side surface of the plate part, and a locking part configured to continue to a top end of the side surface protecting part and configured to cover a peripheral edge part of the connection surface. According to the electric storage device including the above described configuration, it is possible by the locking part of the sealing material to regulate a rise of the electrode terminal, and thus it is possible to inhibit a breakage of the sealing material and a detachment of the electrode terminal.
Resumen de: US2025293406A1
A battery cell includes an electrode assembly and an electrode lead-out member. The electrode assembly includes a body and a tab. The electrode lead-out member is configured to lead out electric energy of the electrode assembly, and the electrode lead-out member includes a first portion. The tab includes a first connecting segment and a second connecting segment that are connected in sequence, the first connecting segment is connected to the body, the second connecting segment is bent with respect to the first connecting segment, and at least one of the first connecting segment and the second connecting segment is connected to the first portion.
Resumen de: US2025293401A1
The present disclosure provides a cell stack having a rectangular parallelepiped shape, a plurality of rectangular cells being stacked in the cell stack, and each of the rectangular cells including a terminal provided in an end face thereof in a longitudinal direction. The cell stack includes a plate-like bus bar configured to electrically connect the terminals of the adjacent rectangular cells to each other. The bus bar includes a first slit extending in a stacking direction of the rectangular cell so that at least a part of the first slit overlaps an area that straddles a pair of welded parts welded to the respective terminals of the adjacent rectangular cells, and a second slit extending in parallel with the first slit outside the area that straddles the pair of the welded parts. A width of the first slit is larger than a width of the second slit.
Resumen de: US2025293296A1
Provided is a solid-state battery including: an electrode laminate in which a negative electrode, a solid electrolyte layer, and a positive electrode are sequentially laminated, wherein the solid electrolyte layer includes a first solid electrolyte layer and a second solid electrolyte layer, the first solid electrolyte layer being disposed on a side closer to the negative electrode, the second solid electrolyte layer being disposed on a side closer to the positive electrode, the positive electrode includes a positive electrode current collector and a positive electrode mixture layer, an inclined surface is formed at least at one end portion of the positive electrode mixture layer, and when the electrode laminate is viewed in a top view from a lamination direction of the electrode laminate, an outer peripheral part of the first solid electrolyte layer is located outward of an outer peripheral part of the positive electrode mixture layer.
Resumen de: US2025293348A1
A battery module and a method of manufacturing a battery module are disclosed. A battery module includes a plurality of battery cells, a heat-insulating sheet between adjacent battery cells of the plurality of battery cells to block thermal energy transfer between the adjacent battery cells, and a fixing member to fix the heat-insulating sheet between the adjacent battery cells.
Resumen de: US2025293351A1
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.
Resumen de: US2025293295A1
Provided is a solid-state battery including an electrode stack in which a negative electrode, a solid electrolyte layer, and a positive electrode are sequentially stacked. The solid electrolyte layer includes a first solid electrolyte layer disposed on a side of the negative electrode. The positive electrode includes a positive electrode current collector and a positive electrode material mixture layer. A positive electrode current collector tab extends from one end of the positive electrode current collector. The positive electrode current collector tab has a low friction region formed on a surface thereof on a side facing the first solid electrolyte layer, the low friction region having a friction coefficient lower than that of the positive electrode current collector.
Resumen de: US2025293330A1
A power storage device includes a first cell connected body and a second cell connected body electrically connected to each other. The first cell connected body includes a plurality of first power storage cells and a first connection portion that electrically connects the first power storage cells to each other. The second cell connected body includes a plurality of second power storage cells and a second connection portion that electrically connects the second power storage cells to each other. The power storage device further includes a holding member that holds the first power storage cell and the second power storage cell that are opposed to each other. At least a portion of the holding member is located between the first power storage cell and the second power storage cell that are opposed to each other.
Resumen de: US2025293261A1
Disclosed are composite substrates and rechargeable lithium batteries including the composite substrates. A composite substrate includes a support layer and a coating layer on the support layer. The coating layer includes a carbon material and a hydrogel. The coating layer is configured to contain an electrolyte.
Resumen de: US2025293237A1
A lithium secondary battery according to an embodiment includes an electrode assembly 1 in which a first electrode group 2 including at least one first unit cell 10; and a second electrode group 4 including at least one second unit cell 30 are alternately assembled. The first unit cell 10 includes a first-first anode mixture layer 111a on the first anode current collector 110; and a first-second anode mixture layer 111b on the first-first anode mixture layer. The second unit cell 30 includes a second-first anode mixture layer 311a on the second anode current collector 310; and a second-second anode mixture layer 311b on the second-first anode mixture layer. The first-first anode mixture layer 111a includes a carbon-based active material, and each of the first-second anode mixture layer 111b, the second-first anode mixture layer 311a and the second-second anode mixture layer 311b includes a silicon-based active material.
Resumen de: US2025293238A1
The cathode active material for a lithium secondary battery according to embodiments of the present invention includes a lithium-transition metal composite oxide particle including a plurality of primary particles, and the lithium-transition metal composite oxide particle includes a lithium-sulfur-containing portion formed between the primary particles. Thereby, it is possible to improve life-span properties and capacity properties by preventing the layer structure deformation of the primary particles and removing residual lithium.
Resumen de: US2025293311A1
An all-solid-state battery according to one embodiment of the present invention includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer arranged between the positive electrode layer and the negative electrode layer. The solid electrolyte layer is a stack that includes a first solid electrolyte layer and a second solid electrolyte layer stacked on one surface of the first solid electrolyte layer. The first solid electrolyte layer includes a porous base material and a first solid electrolyte composition containing a solid electrolyte filled into the pores of the porous base material. The second solid electrolyte layer includes a second solid electrolyte composition containing a solid electrolyte and does not include a base material.
Resumen de: US2025293320A1
Disclosed are an electrode sheet, a negative electrode sheet, an electrode assembly, and a lithium ion battery. The negative electrode sheet includes: a negative current collector, including a negative coating area, as well as a negative electrode tab and a non-tab area disposed at opposite ends of the negative coating area; and one or more negative active material layers disposed on the negative coating area. An insulation coating layer is disposed on the non-tab area.
Resumen de: US2025293318A1
Control device controls loading manipulator to transfer battery cell to main detection chamber and open first vacuum valve, evacuates the main detection chamber through first vacuum pump, closes the first vacuum valve after completing evacuation, and performs major leak detection on the battery cell through negative pressure gauge; if passed, controls second vacuum valve to open, to start second vacuum pump to evacuate the battery cell, and after the evacuation, controls first helium injection valve of helium pipeline to open, to inject helium into the battery cell, and closes the first helium injection valve after the helium injection is completed, and performs helium detection on the battery cell through helium detector; if major leak detection is failed, opens vacuum breaking valve, and breaks vacuum of the battery cell and the main detection chamber through atmospheric pipeline; and controls unloading manipulator to transfer the battery cell to re-detection chamber for re-detection.
Resumen de: US2025293399A1
A power storage cell includes: a cell module including a plurality of cell units; a cell case that accommodates the cell module; and a bonding member provided within the cell case. The cell case is formed in a rectangular parallelepiped shape. The cell module has a facing corner that faces a three-dimensional corner of the cell case. The bonding member includes a corner bonding portion that bonds the three-dimensional corner of the cell case to the facing corner.
Resumen de: US2025293398A1
An oxide solid electrolyte membrane carrier comprises a substrate, a first coating and a second coating. The first coating is coated on a surface of the substrate, the second coating is coated on a surface of the first coating. The first coating is a binder layer. The second coating is a resin layer.
Resumen de: US2025293397A1
The present disclosure provides a laminated separator for a nonaqueous electrolyte secondary battery which makes it possible to obtain a battery having an excellent rate characteristic and which has excellent heat resistance, the laminated separator including a polyolefin-based substrate, a heat-resistant layer that is provided on one surface or both surfaces of the polyolefin-based substrate, and a particle layer which is provided on at least one side of the laminated separator, a standard deviation of an IR peak intensity ratio (peak intensity which is of a resin contained in the particle layer and which is in an infrared absorption spectrum/peak intensity which is of a resin contained in the heat-resistant layer and which is in an infrared absorption spectrum) on a surface of the laminated separator which surface is located on the at least one side on which the particle layer is provided being not more than 0.025.
Resumen de: US2025293395A1
A separator membrane may include a porous carrier. The separator membrane may include a magnesium fluoride (MgF2) coating on at least a portion of the porous carrier. A distribution of a pore size of the separator membrane and a surface energy of the separator membrane may be at least partially determined by the MgF2 coating.
Resumen de: US2025293257A1
A lithium-ion battery component is presented. The lithium-ion battery component has an electrode with a current collector and an electrode sheet laminated thereon including conducting agents and a polar cross-linkable B-A-B binder mechanically binding the conducting agents in a sterically stabilized dispersion configured to permit volume expansion of the electrode sheet during charge of the electrode and facilitate volume contraction of the electrode sheet during discharge of the electrode.
Resumen de: US2025293252A1
A battery and an electric device are described. The battery comprises a positive electrode sheet. The positive electrode sheet contains a first positive electrode active material and a second positive electrode active material, and satisfies formula (I)0.1
Resumen de: US2025293292A1
An electrolyte composition for a lithium secondary battery according to an aspect of the present disclosure includes a lithium salt, an electrolyte additive, and a non-aqueous organic solvent. The electrolyte additive includes an inorganic compound, the non-aqueous organic solvent includes a cyclic ester-based solvent in an amount of about 60 vol % or more and less than 100 vol %, and the electrolyte composition exhibits a heat flow of about 30.0 W/g or less within a range of about 250° C. to 350° C. when the heat flow measurement is performed on a mixture containing a negative electrode active material of a 100% charged lithium secondary battery and the electrolyte composition, at a weight ratio of about 1:0.5.
Resumen de: US2025293334A1
A battery module includes a cell stack including a plurality of battery cells, a module housing configured to accommodate the cell stack, a sprinkler configured to supply cooling fluid to inside the module housing and provided through the module housing at one side of the cell stack in a stacking direction, and a first plurality of thermally expanding blocks disposed in an empty space inside the module housing and configured to be thermally expanded according to a temperature rise inside the module housing, thereby reducing the volume of the empty space to configured to be filled with the cooling fluid.
Nº publicación: US2025293293A1 18/09/2025
Solicitante:
UMICORE [BE]
Umicore
Resumen de: US2025293293A1
The present invention relates to solid materials which are obtainable by melt-quenching mixtures of lithium sulphide, boron sulphide and boron oxide, thereby forming a glassy solid which is suitable for use as a lithium-ion conducting electrolyte. These sulphide based lithium-ion conducting solid electrolytes exhibit a large thermal stability as supported by the large ΔTx, in particular a ΔTx of more than 100° C.
BOPI
Sede Electrónica
