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1034
resultados
Última actualización
23/10/2026 [07:18:00]
Resultados 525 a 550 de 1034
Resumen de: US20260321600A1
0000 A negative electrode plate includes a negative electrode current collector and a negative electrode active material layer disposed on at least one surface of the negative electrode current collector. The negative electrode active material layer includes a first material layer and a second material layer. The first material layer is disposed between the negative electrode current collector and the second material layer. The second material layer contains the silicon element. The first material layer includes lithium titanate and a first active material. The first active material includes a first silicon-containing material. based on a mass of the negative electrode active material layer, a mass percentage of the lithium titanate is W<1>, and 1.5%≤W<1>≤2.5%; based on a mass of the negative electrode active material layer, a mass percentage of the silicon element in the first active material is W<2>, and 1.5≤W<2>/W<1>≤4.0.
Resumen de: US20260314840A1
An interconnectable base for placing spring modules, the interconnectable base includes plate units, and connecting members for connecting the plate units, the plate units are disposed with coupling members adapted to the connecting members, multiple ones of the coupling members are disposed at symmetrical positions on the plate units, two of the coupling members at the symmetrical positions are rotationally symmetrical, the coupling members include arcuate slots, the arcuate slots are divided into limiting ends and release ends, each of the connecting members includes an operating member and limiting posts configured to be disposed in the arcuate slots, the operating member is configured to drive the limiting posts to move relative to the arcuate slots between a first position and a second position.
Resumen de: WO2026213931A1
The present application relates to the technical field of batteries, and provides a measurement method for an expansion force of a battery cell, a measurement fixture and a measurement system, which can solve the defect in the related art of great difference between a measured expansion force of a battery cell and an expansion force measured and exhibited in a system. In the present application, battery cells are not measured in a unified mode by using measurement fixtures having a same stiffness. In the present application, a plurality of battery cells of a battery module are divided into a plurality of units; during measurement, corresponding measurement fixtures are assigned to the units on the basis of the positions of the units in the battery module, the assignment being performed according to the principle that the closer the unit to which a measurement fixture is assigned is to the center of the battery module, the higher the stiffness of the assigned measurement fixture is. The present application can simulate the real condition of an expansion force of a battery system after grouping, thereby ensuring that an expansion force measurement result of a battery cell is consistent with an expansion force measured in the system, improving the accuracy of the input of system expansion force resistance design parameters, and finally ensuring that the service life of the battery cell is consistent with the service life in the system.
Resumen de: US20260321739A1
Disclosed are a negative electrode for an all-solid-state battery and an all-solid-state battery including the same, the negative electrode for an all-solid-state battery including a current collector having a groove formed therein; a metal filled inside the groove; and a carbon layer located on one surface of the current collector to cover the groove.
Resumen de: US20260321576A1
The present document relates to a quality inspection method for a cell of an aqueous battery, a device therefor, and a method of and a system for manufacturing a cell block on the basis of same. To this end, the method of manufacturing a cell block of an aqueous battery includes: stacking a plurality of cells each including a plurality of layers; injecting a liquid electrode into each of the cells stacked; performing primary quality control by applying power in a state where the cells are electrically connected; selecting cells having a quality equal to or greater than a predetermined reference according to a result of the primary quality control; and re-stacking the selected cells to manufacture the cell block.
Resumen de: US20260321872A1
0000 The battery cell includes a case, a pressure relief mechanism, and an electrode assembly. The case has a first wall and a second wall that are adjacent and connected to each other. The pressure relief mechanism is provided on the first wall. The electrode assembly has a first portion and a second portion sequentially arranged along a first direction, the first portion and the second portion each include multiple anode electrode sheet layers and multiple cathode electrode sheet layers, the multiple anode electrode sheet layers and the multiple cathode electrode sheet layers are alternately stacked one-to-one along the first direction, the second portion is disposed between the first portion and the second wall, a distance from the cathode electrode sheet layer of the second portion to the first wall is greater than a distance from the cathode electrode sheet layer of the first portion to the first wall.
Resumen de: US20260321851A1
0000 A battery module including a cell assembly, the cell assembly including a plurality of battery cells and a plurality of sides, and a module frame, the module frame being configured to accommodate the cell assembly, the module frame including a first frame configured to cover some of the plurality of sides of the cell assembly, a second frame, and a third frame, the third frame being coupled to the first frame and configured to separately cover other sides of the plurality of sides of the cell assembly.
Resumen de: WO2026214934A1
The invention relates to a supercapacitor having a solid electrolyte based on magnesium-oxide compounds. The supercapacitor comprises: a magnesium-oxide-based matrix containing a graphene dispersion distributed in a polymer emulsion; a porous filler comprising expanded perlite distributed within the solid electrolyte, wherein the expanded perlite forms a labyrinth structure within the solid electrolyte; electrodes which are arranged on the solid electrolyte; and an adhesive layer which is arranged between the solid electrolyte and the electrodes, wherein the adhesive layer comprises a polymer emulsion having a graphene dispersion.
Resumen de: US20260321786A1
0000 A heat storage part is at a position between adjacent battery cells, exchanges heat with battery cells and stores heat of the battery cells. A cooling fluid passage is provided at a position between the battery cells and the heat storage part that are adjacent to each other, through which supplied cooling fluid is flowable. The battery cell and the heat storage part are connected via at least two connection members. A gap is formed at a part between the battery cell and the heat storage part to which the battery cell and the heat storage part are not connected via the connection member. The cooling fluid passage is formed as a gap between the adjacent connection members.
Resumen de: US20260321793A1
0000 The present disclosure provides a liquid cooling assembly, a battery module, and a battery pack. The liquid cooling assembly includes a plurality of liquid cooling units arranged at even intervals. Each of the plurality of liquid cooling units is provided with a delivery pipe body, a pipe snap-fit base part, a pipe snap-fit assembly part, and a liquid cooling plate detachably connected to the delivery pipe body. The pipe snap-fit base part and the pipe snap-fit assembly part are disposed at two ends of the delivery pipe body, respectively. For two adjacent liquid cooling units of the plurality of liquid cooling units, the pipe snap-fit base part of one of the two adjacent liquid cooling units is in snap-fit engagement with the pipe snap-fit assembly part of the other one of the two adjacent liquid cooling units.
Resumen de: US20260316198A1
A battery cell includes a case, and an end cover which is arranged at one end of the case; a joint of the case and the end cover is provided with a first connecting seam and a second connecting seam which are arranged along a circumferential direction of the case; the end cover welding apparatus includes a material conveying assembly and a welding assembly, in which, the material conveying assembly includes a conveying line. The first clamp and the second clamp are arranged at an interval on the same conveying line. The welding assembly is arranged along the conveying line and is configured to weld the first connecting seam when the first clamp with the battery cell fixed is conveyed to the welding assembly, and is also configured to weld the second connecting seam when the second clamp with the battery cell fixed is conveyed to the welding assembly.
Resumen de: WO2026214108A1
The present invention relates to the technical field of ventilation device control, and disclosed is a control method for ventilation devices in a storage battery room, comprising: classifying historical environmental data inside the storage battery room to generate historical environmental data of multiple types; constructing an airflow field distribution set inside the storage battery room on the basis of historical operating data of the ventilation devices in the storage battery room; on the basis of the historical environmental data of multiple types, constructing a corresponding evaluation model library, and setting control modes of multiple ventilation devices; generating operating states inside the storage battery room on the basis of airflow field distribution inside the storage battery room and evaluation values of corresponding environmental data; and generating corresponding control instructions on the basis of the current control mode and the corresponding operating states inside the storage battery room. By means of precise environmental monitoring, accurate operating state determination, and reasonable generation of control instructions, the present invention can effectively reduce risks such as abnormal temperature, corrosion, and explosion in a storage battery room.
Resumen de: US20260321741A1
Solid state battery apparatus are provided. The present disclosure relates to a solid state battery comprising a cell which comprises a cathode, an anode, and a solid electrolyte positioned between the cathode and the anode. The anode comprises first particles comprising silicon and second particles comprising a material configured to form an alloy with lithium. The second particles are substantially softer than the first particles and configured to compensate for size changes of the first particles during charging and discharging cycles of the solid state battery such that, as the first particles expand in size, the second particles are compressed in size at a given pressure applied to the solid state battery and further such that, as the first particles shrink in size, the second particles expand in size at a given pressure applied to the solid state battery.
Resumen de: US20260321772A1
A temperature difference of the battery assembly is acquired, the temperature difference is a difference between a first temperature of a first temperature zone and a second temperature of a second temperature zone. When the temperature difference is greater than a preset threshold, a valve opening degree control instruction is generated according to a first area of the first temperature zone and a second area of the second temperature zone, the valve opening degree control instruction causes at least one of a first adjustment of a first opening degree of a first valve that controls a first flow rate of working medium flowing into a first heat exchange member in the first temperature zone, and a second adjustment of a second opening degree of a second valve that controls a second flow rate of working medium flowing into a second heat exchange member in the second temperature zone.
Resumen de: US20260321757A1
An embodiment of the present disclosure provides an inspection method for an all-solid-state rechargeable battery, including an inspection main body mounted with a plurality of all-solid-state cells in which a unit cell including a positive electrode, a negative electrode, and a solid electrolyte layer is stacked; a pressurizer installed in the inspection main body and configured to pressurize the all-solid-state cells; a pressure measurer installed in the pressurizer and configured to measure the pressure applied to the all-solid-state cells; and a quality determiner configured to determine whether an all-solid-state cell is good or bad using a pressure difference at each position of the pressure measured by the pressure measurer.
Resumen de: US20260321703A1
0000 A battery insertion device comprises a machine frame, a bearing mechanism arranged on the machine frame and used for bearing a bottom cover and an electrode assembly supported above the bottom cover, and an insertion mechanism arranged on the machine frame and comprising a case fixing mechanism and a tab part guide mechanism. The case fixing mechanism is used for fixing a case. The tab part guide mechanism and the case fixing mechanism both can get close to or away from the bearing mechanism. The case fixing mechanism is configured to sleeve the case onto the outer side of the electrode assembly by means of an open end when moving close to the bearing mechanism. The tab part guide mechanism is configured to guide a tab part to penetrate out of an accommodating cavity through a through hole when the case is sleeved on the electrode assembly.
Resumen de: WO2026214401A1
A vehicle thermal management system, comprising: a refrigeration circuit (11), an electric drive cooling circuit (12), a drive passage (13), a heat exchange passage (14), a first heat exchanger (161), a second heat exchanger (162) and at least one second radiator (15). The refrigeration circuit comprises a compressor (111), a condenser (112) and an evaporator (114); the electric drive cooling circuit comprises an electric drive water circuit (121), at least one first radiator (122) and a first pump (123); the drive passage comprises an engine water jacket (131) and a second pump (132) which are connected in series; the heat exchange passage is selectively in communication with the drive passage, and comprises a battery heat exchange plate (141), a heater core (142) and a third pump (143) which are connected in series; the at least one second radiator is selectively in communication with the drive passage and the heat exchange passage; a first path of the first heat exchanger is connected to the refrigeration circuit, and a second path thereof is selectively connected to the electric drive cooling circuit; and a first path of the second heat exchanger is connected to the refrigeration circuit, and a second path thereof is selectively connected to the heat exchange passage. Further disclosed is a vehicle. The vehicle thermal management system can realize multiple thermal management modes, makes full use of idle radiators in different modes, and improves the utilization rate of
Resumen de: US20260321784A1
A cooling heat exchanger comprising: a cooling surface configured to be superposed on a cooling target for cooling the cooling target; and a cooling flow path for causing a cooling heat medium to flow therein. The cooling flow path includes a parallel flow path unit composed of a plurality of flow path parts extending in parallel and next to each other and causing the heat medium to flow in the same direction between the plurality of flow path parts. The parallel flow path unit is provided with a plurality of projections for disturbing a flow of the heat medium. Regions where action of disturbing the flow of the heat medium using the projection works differently are defined in the parallel flow path unit.
Resumen de: US20260321636A1
0000 A secondary battery includes a negative electrode plate including a negative electrode current collector and a negative electrode film layer having a first surface distal to the negative electrode current collector and a second surface opposite to the first surface. A first region extending from the second surface to a thickness range of 0.3 H(H being a thickness of the negative electrode film layer) includes a first negative electrode active material including a first carbon-based material. A second region extending from the first surface to the thickness range of 0.3 H includes a second negative electrode active material including a second carbon-based material. The first carbon-based material includes natural graphite. A total pore area of an internal region of the second carbon-based material is greater than a total pore area of an external region of the second carbon-based material.
Resumen de: US20260321677A1
A composite current collector, an electrode plate, a secondary battery, and a power consuming apparatus are provided. The composite current collector includes a support layer, and a binding layer and a conductive layer that are sequentially stacked on at least one side surface of the support layer, where the conductive layer includes a conductive layer body and a first protrusion portion, and the first protrusion portion protrudes in a thickness direction of the conductive layer and is embedded in the binding layer.
Resumen de: US20260322148A1
0000 The battery management system includes: a plurality of switch assemblies, each being connected between a battery and a corresponding load, and configured to connect the battery to the corresponding load or disconnect the battery from the corresponding load; a sampling circuit including sampling branches in a one-to-one correspondence with the plurality of switch assemblies, and each sampling branch being configured to acquire a voltage at a sampling detection point, where a first end of each sampling branch is connected to a corresponding switch assembly, and a connection point is the sampling detection point; a second end of each sampling branch is connected to a voltage source, and a connection point is a reference sampling point; and a third end of each sampling branch is connected to a sampling module; the voltage source, configured to supply a reference voltage to the reference sampling point; and the sampling module.
Resumen de: US20260321637A1
0000 A secondary battery includes a negative electrode plate, the negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface of the negative electrode current collector, the negative electrode film layer includes a negative electrode active material, and the negative electrode active material includes a first carbon-based material and a second carbon-based material. The first carbon-based material has a pore structure, and the total pore area S2 of an internal region of the first carbon-based material is larger than the total pore area S1 of an external region of the first carbon-based material; and the second carbon-based material satisfies ID/IG≤0.140.
Resumen de: US20260321896A1
A composite current collector, an electrode plate, a secondary battery, and a power consuming apparatus are provided. The composite current collector includes a support layer, and a binding layer and a conductive layer that are sequentially stacked on at least one side surface of the support layer, where the binding layer includes a binding layer body and a protrusion portion, and the protrusion portion protrudes from the binding layer body and is embedded in the support layer.
Resumen de: US20260321577A1
0000 A negative electrode current collector and a preparation method thereof, a battery cell, a battery, and an electric apparatus are provided. The preparation method for a negative electrode current collector includes the following steps: providing a metal substrate, where the metal substrate is a two-dimensional metal structure or a three-dimensional porous metal structure; and irradiating at least part of the surface of the metal substrate with a laser, causing metal grains in a laser ablation heat-affected zone of the metal substrate to melt and recrystallize to form smaller-sized metal grains, thereby obtaining the negative electrode current collector.
Nº publicación: US20260321883A1 15/10/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US20260321883A1
0000 A battery pack including a pack case having a first inner surface, a second inner surface facing the first inner surface, and an internal space between the first inner surface and the second inner surface, and a plurality of modules disposed in the internal space of the pack case and including a plurality of secondary batteries having a first end with a vent portion and a second end in a direction opposite to the first end is provided. Each of the secondary batteries is arranged such that center line passing through the first end and the second end is neither parallel nor orthogonal to the first inner surface and the second inner surface, respectively. In each of the modules, when at least one secondary battery is disposed such that the first end is closer to the first inner surface than the second end, another secondary battery is disposed such that the first end is closer to the second inner surface than the second end.
BOPI
Sede Electrónica
