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1168
resultados
Última actualización
01/11/2026 [07:23:00]
Resultados 1125 a 1150 de 1168
Resumen de: WO2026221196A1
A battery cell according to an embodiment of the present invention includes: an electrode assembly; a battery housing which accommodates the electrode assembly; a top cap which covers an opening provided on one side of the battery housing; and an air pocket which is accommodated in the battery housing, is provided above the electrode assembly, and includes at least one vacuum chamber therein.
Resumen de: WO2026221212A1
The present invention relates to an all-solid-state battery and an all-solid-state battery manufacturing method therefor, and, more specifically, the all-solid-state battery may comprise: a cathode including a cathode current collector and a cathode active material layer; an anode including an anode current collector and an anode coating layer; a solid electrolyte layer disposed between the cathode and the anode; and an adsorption layer on the cathode current collector and/or the anode current collector. The cathode active material layer includes a sulfide-based cathode active material, the cathode current collector and/or the anode current collector has at least one hole capable of discharging hydrogen sulfide, and the adsorption layer can adsorb hydrogen sulfide.
Resumen de: WO2026221261A1
A battery assembly according to one embodiment of the present invention comprises: a battery cell unit formed by connecting at least one battery cell to each other in a first direction; a plurality of bus bar frame assemblies disposed between the battery cells adjacent to each other in the first direction and at both ends of the battery cell unit; a battery cell stack formed by stacking the battery cell units in a second direction orthogonal to the first direction; and a cooling spacer extending in the first direction and including one or more flow channels through which a refrigerant flows, wherein the cooling spacer may be disposed between the battery cell units adjacent to each other in the second direction.
Resumen de: WO2026221107A1
This packaging material for a power storage device is constituted of a laminate comprising, in order from the outside, at least a base material layer, a barrier layer, and a heat-sealing resin layer. The heat-sealing resin layer is constituted of a single layer or a plurality of layers; a layer of the heat-sealing resin layer that constitutes a surface on the side opposite the barrier layer side includes 50 mass% or more of polypropylene-based resin; and the average free volume diameter of a layer located inward of the barrier layer is 0.635 nm or less.
Resumen de: WO2026218714A1
Provided in the embodiments of the present disclosure are a heat exchange assembly, a battery apparatus and an electric device. The battery apparatus comprises a box, a plurality of battery cells and a heat exchange assembly. The plurality of battery cells are arranged in the box; the heat exchange assembly comprises at least two heat exchange members, wherein at least one heat exchange member is configured as a flexible member, at least one heat exchange member is configured as a rigid member, and the flexible member and the rigid member are stacked to form at least one medium flow channel; and the heat exchange assembly is in contact with terminal-post sides of the battery cells. In the battery apparatus provided in the embodiments of the present disclosure, the heat exchange assembly is in contact with the terminal-post sides of the battery cells, such that the terminal-post sides of the battery cells can be preferentially cooled, and the temperature difference of the battery cells in a longitudinal direction is reduced as much as possible, thereby achieving a better heat exchange effect. In addition, the heat exchange assembly comprises the flexible member, which helps to reduce the weight and improve the energy density of the battery apparatus.
Resumen de: DE102025115312A1
Batteriegehäuse für eine Batteriezelle für eine Energiespeichervorrichtung eines elektrisch antreibbaren Kraftfahrzeugs; wobei das Batteriegehäuse prismatisch ist; das Batteriegehäuse in einer ersten Richtung eine Länge, in einer zu der ersten Richtung senkrechten zweiten Richtung eine Breite und in einer zu je der ersten Richtung und der zweiten Richtung senkrechten dritten Richtung eine Dicke aufweist; die Länge des Batteriegehäuse größer ist als die Breite des Batteriegehäuse; die Breite des Batteriegehäuse größer ist als die Dicke des Batteriegehäuse; das Batteriegehäuse einen Zellstapelbauraum zum Anordnen wenigstens eines Zellstapels aufweist; und das Batteriegehäuse einen gegenüber dem Zellstapelbauraum in der dritten Richtung versetzt angeordneten Funktionsbauraum aufweist.
Resumen de: WO2026221198A1
The present invention relates to an electrolyte injection apparatus for injecting an electrolyte into a battery case in which an electrode assembly is accommodated, the electrolyte injection apparatus comprising: an electrolyte supply unit for supplying the electrolyte; and an atomized electrolyte injection unit that atomizes the electrolyte supplied by the electrolyte supply unit and injects the atomized electrolyte into the battery case.
Resumen de: WO2026218735A1
A battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises a casing assembly, a post assembly and an electrode assembly. The housing assembly comprises a first wall, and the first wall is provided with a mounting hole; a protruding structure is formed by bending on the first wall, and the protruding structure is provided around the mounting hole. The post assembly is mounted in the mounting hole and comprises a post body, a first clamping member, a second clamping member, and an insulating and sealing structure; the first clamping member is provided on the side of the second clamping member away from the casing assembly, the first clamping member and the second clamping member clamp the post body by means of the insulating and sealing structure, and part of the second clamping member is bent towards the side close to the insulating and sealing structure. The electrode assembly is provided in the casing assembly and is electrically connected to the post body.
Resumen de: WO2026221156A1
The present invention relates to an electronic device comprising a battery and an operating method thereof. The operating method of an electronic device, according to the present embodiment, may comprise the steps of: collecting sensing data from a plurality of sensors provided in the electronic device; collecting cell characteristic data for each battery cell, from a plurality of battery cells included in a battery module supplying power to the electronic device; determining whether an abnormal symptom has occurred in the battery cell, through analysis of the sensing data and the cell characteristic data; and in response to the abnormal symptom occurring in the battery cell, performing battery management by selecting one of limiting an input/output current of the battery cell and blocking the input/output current of the battery cell.
Resumen de: WO2026218221A1
A battery system and an electric device. The battery system comprises a first battery pack and a second battery pack, wherein the first battery pack comprises a plurality of first battery cells; the second battery pack comprises a plurality of second battery cells; the first battery cells and the second battery cells have different chemical systems; under the same charging and discharging conditions, the cycle life of the first battery cells is longer than the cycle life of the second battery cells; and the first battery pack and the second battery pack can independently provide voltage to a load. The battery system can preferentially use the first battery pack to undertake a main charging and discharging task. When the second battery pack needs to be started to supply power to the load, the battery system can flexibly switch to the second battery pack to supply redundant power to the load. On the one hand, the reliability of the battery system supplying power to the load is effectively improved; and on the other hand, the first battery pack and the second battery pack can be flexibly adjusted according to requirements to supply power to the load, thereby expanding the applicable scenarios of the battery system. The cycle life of the battery system can also be prolonged.
Resumen de: WO2026219757A1
The invention pertains to an electrochemical cell having an anode, a cathode, and a separator between the anode and the cathode separating them from each other, wherein the anode is molten sodium, the separator is a sodium ion conducting inorganic membrane, the separator having a surface in contact with the molten sodium anode, the separator comprising metallic zinc at its surface facing the anode, wherein the metallic zinc is present in an amount in the range of 0.05-20 g/1000cm2. It has been found that the presence of metallic zinc at the surface of the separator which faces a molten sodium anode leads to excellent wetting of the surface by the sodium, without high temperature activation or operating at higher temperatures being required. A zinc-containing separator and a method for its manufacture are also claimed.
Resumen de: WO2026221118A1
A nonaqueous electrolytic solution battery according to the present invention is provided with a positive electrode, a negative electrode, and a nonaqueous electrolytic solution. A coating film is formed on the surface of the negative electrode. In an X-ray photoelectron spectroscopy measurement performed at a position in the coating film 10 nm, expressed as a SiO2 equivalent value, away from the surface of the negative electrode in the film thickness direction, the total value a of the atomic percentage of P, N, and S elements relative to the total atomic amount of C, O, F, P, N, and S elements contained in the coating film on the surface of the negative electrode is in the range of more than 1.0 at% to not more than 7.0 at%, and the total value b of the atomic percentage of P and N elements is not more than 0.4 at%.
Resumen de: WO2026221285A1
Provided is a solid secondary battery capable of maintaining good discharge characteristics and capacity retention characteristics even after pressure molding. The solid secondary battery comprises a positive electrode, a solid electrolyte layer, and a negative electrode. The solid electrolyte layer is disposed between the positive electrode and the negative electrode, the negative electrode comprises a negative electrode current collector, a negative electrode active material layer, and an insulating coating layer, the insulating coating layer contains at least one type of inorganic filler, the negative electrode current collector has a first main surface and a second main surface opposite to the first main surface, the negative electrode active material layer is disposed on the first main surface side of the negative electrode current collector, and the insulating coating layer is a cured film formed by curing a coating film directly applied on the second main surface of the negative electrode current collector.
Resumen de: US20260331707A1
In the present power storage device, a spacer is provided between a sealing plate and an electrode assembly, the spacer has a pair of side walls extending toward the electrode assembly and disposed at a predetermined interval, at least an outermost layer separator of the separator has an extension portion extending from an end portion of each of a negative electrode and a positive electrode toward the spacer, and the extension portion is disposed on an inner side of each of the side walls or is fixed to the side wall. According to the present power storage device, when inserting the electrode assembly into a case main body, a step due to bending of end portions of the separator can be suppressed from being formed at an end portion of the electrode assembly.
Resumen de: WO2026220605A1
According to an embodiment, provided is an electrode including a current collector and an active material-containing layer formed on at least one surface of the current collector. The active material-containing layer includes an active material containing a niobium-containing oxide. Furthermore, the active material-containing layer has a moisture content of 250 to 660 mass ppm, inclusive.
Resumen de: WO2026221362A1
The present specification relates to a positive electrode active material, and a positive electrode and a lithium secondary battery comprising same, the positive electrode active material comprising: a lithium transition metal compound having an olivine structure; and a lithium transition metal compound having a layered structure, wherein the value calculated by mathematical formula 1 is 14% or less.
Resumen de: WO2026221422A1
The present invention relates to a positive electrode material comprising lithium transition metal oxide particles having a single particle form, wherein the coefficient of variation of the cobalt content (mol%) relative to the total transition metals measured for the lithium transition metal oxide particles having a particle diameter of D10 or smaller is 0.30 to 0.75, the particle diameter meaning the diameter of a circle having the same area as a lithium transition metal oxide particle separated on the basis of a particle boundary in a SEM image (equivalent circular diameter (ECD)), and D10 being the particle diameter corresponding to the cumulative volume of 10% on a volume cumulative particle size distribution graph obtained on the basis of the particle diameter.
Resumen de: WO2026220471A1
In this electrode layer forming method, a second liquid having a lower binder component concentration than a first liquid is applied to a surface of a current collector foil to form a liquid layer on the surface, a powder of an active material is supplied onto the liquid layer to form a powder layer on the surface, and the first liquid is applied onto the powder layer.
Resumen de: WO2026221421A1
The present invention relates to a cathode active material, and a cathode and a lithium secondary battery comprising the cathode active material, wherein the cathode active material comprises lithium transition metal oxide particles in a single-particle form, and, in a log-scale cumulative volume particle size distribution graph in which the X-axis represents the particle size of the lithium transition metal oxide (unit: μm) and the Y-axis represents the volume percentage (unit: %), the sum of the coefficient of variation of a nickel content (mol%) relative to the total content of transition metals and the coefficient of variation of a manganese content (mol%) relative to the total content of transition metals that are calculated for the particles in the area having a cumulative volume of 0% to 10% is 1.05 to 1.70.
Resumen de: WO2026218703A1
A solid-state battery, a urea-based binder and a preparation method therefor, and an electric device. The solid-state battery comprises a positive electrode layer, a solid-state electrolyte layer, and a negative electrode layer. The solid-state electrolyte layer is located between the positive electrode layer and the negative electrode layer. The negative electrode layer comprises a negative electrode current collector and a negative electrode active layer provided on at least one surface of the negative electrode current collector. The negative electrode active layer comprises a negative electrode active material and a urea-based binder. The negative electrode active material comprises a silicon-carbon composite material. The silicon-carbon composite material comprises a porous carbon material and a silicon material located in pores of the porous carbon material. The molecular structure of the urea-based binder comprises a urea-based group.
Resumen de: WO2026221190A1
Provided are: an electrode lead welding jig device configured to prevent jig deformation due to thermal energy generated when welding electrode leads; a battery pack using same; and a method for manufacturing same. The electrode lead welding jig device, which is configured to weld a battery cell stack having stacked therein a plurality of battery cells each including a battery case and electrode leads protruding outward from the battery case, comprises: jigs disposed to be movable between the electrode leads and the battery cases so as to prevent thermal energy for welding adjacent electrode leads of the plurality of battery cells from transferring to the plurality of battery cells through the battery case; palettes connected to the lower portions of the jigs so as to vertically move the jigs; and a base connected to the palettes so as to rotate the jigs.
Resumen de: WO2026221867A1
A system may include a battery to operate a motor of a work machine, a sensor to measure an electrical property of the battery, an energy-dissipation device on the work machine and electrically connected to the battery, and a controller. The controller may detect that a charging connection point of the work machine is connected to a charger, initiate a performance test for the battery while the battery is connected to the work machine, cause charging of the battery to an upper level, cause discharging of the battery to a lower level using the energy-dissipation device to obtain, from the sensor, discharge data indicating the electrical property during discharging of the battery, cause charging of the battery back to the upper level to obtain, from the sensor, charge data indicating the electrical property during charging of the battery, determine a battery capacity, and output information indicating the battery capacity.
Resumen de: US20260331406A1
A circuit protection unit to be applied to a conductive module includes: a circuit protection component; a first terminal fitting that electrically connects a first electric connection portion to the circuit protection component; a second terminal fitting that electrically connects a second electric connection portion to the circuit protection component; and a housing component that has insulation property and internally houses the first electric connection portion, the second electric connection portion, and the circuit protection component. The housing component includes a bottom wall portion; a plurality of side wall portions protruding from the bottom wall portion and provided at positions surrounding the first electric connection portion, the second electric connection portion, and the circuit protection component as viewed from a plate thickness direction (height direction); and a side wall opening opened toward a direction intersecting with the plate thickness direction.
Resumen de: DE102025115311A1
Batteriezelle für eine Energiespeichervorrichtung eines elektrisch antreibbaren Kraftfahrzeugs; wobei die Batteriezelle ein prismatisches Batteriegehäuse umfasst; die Batteriezelle wenigstens zwei innerhalb des Batteriegehäuses angeordnete Zellstapel aufweist; die wenigstens zwei Zellstapel seriell zueinander geschaltet sind; das Batteriegehäuse in einer ersten Richtung eine Länge, in einer zu der ersten Richtung senkrechten zweiten Richtung eine Breite und in einer zu je der ersten Richtung und der zweiten Richtung senkrechten dritten Richtung eine Dicke aufweist; die Länge des Batteriegehäuses größer ist als die Breite des Batteriegehäuse; die Breite des Batteriegehäuses größer ist als die Dicke des Batteriegehäuse; und die wenigstens zwei Zellstapel in der dritten Richtung geschichtet angeordnet sind; und/oder die wenigstens zwei Zellstapel in der ersten Richtung nebeneinander angeordnet sind; und/oder die wenigstens zwei Zellstapel in der zweiten Richtung nebeneinander angeordnet sind.
Nº publicación: US20260331466A1 22/10/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD.
Resumen de: US20260331466A1
0000 A negative electrode for a rechargeable lithium battery includes a current collector and a negative electrode active material layer on the current collector. The negative electrode active material layer includes a first silicon composite and a second silicon composite. The first silicon composite includes amorphous silicon and a first carbon material. The second silicon composite includes crystalline silicon and a second carbon material. The negative electrode has a DQ/DV value obtained by differentiating a discharge capacity Q of the negative electrode with respect to a voltage V. The DQ/DV values include a first peak value being a maximum value in a voltage range of about 0.23 V to about 0.25 V, and a second peak value being a maximum value in the voltage range of about 0.4 V to about 0.5 V. A ratio of the second peak value to the first peak value is about 3.5 to about 5.5.
BOPI
Sede Electrónica
