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1455
results.
Updated on
14/08/2025 [07:17:00]
Results 1025 to 1050 of 1455
Absstract of: WO2025157143A1
Disclosed in the present application are an electrode sheet, an electrode assembly and a battery. The electrode sheet comprises a main body portion and a plurality of protrusions, wherein each protrusion is formed by means of bending part of the electrode sheet towards one side of the main body portion, and has an inner surface connected to one surface of the main body portion and an outer surface connected to another surface of the main body portion; and the area of the outer surface of each protrusion is S1, the projection area of the outer surface of each protrusion in the direction of the thickness of the electrode sheet is S2, and S1 and S2 meet 1.01≤S1/S2≤1.7. Reduction in damage to the electrode sheet is facilitated, and the electrode sheet is not stretched and extended too much; and the protrusions provided have good structural stability, are configured to support a separator, and cause an appropriate gap between the main body portion and the separator, thereby facilitating an improvement in the performance of a battery.
Absstract of: US2025243776A1
An electric motor drive system for a propulsion device. The system includes a battery stack having an earth terminal and an end terminal and an electric motor electrically connected to be powered by the battery stack. The motor is configured to be connected to drive the propulsion device, The system also includes: a power converter electrically connected between the battery stack and the electric motor; and a switch between the power converter and the battery stack. The switch is arranged to switch between a first state electrically connecting the end terminal of the battery stack to the power converter to provide a maximum battery voltage to the power converter, and a second state electrically connecting a tap point from one or more intermediate nodes, intermediate the earth terminal and the end terminal, of the battery stack, to provide a voltage less than the maximum battery voltage to the power converter.
Absstract of: US2025242723A1
A battery self-heating system, an electrical device, and a vehicle are disclosed. The system includes a first battery, a second battery, a converter, a motor, and first and second switch devices. The first and second batteries are connected via the first switch device, and their negative electrodes are connected to a first terminal of the converter. The second switch device is positioned between the negative electrode of the first battery and the converter. One positive electrode is connected to the motor, and the other to a second terminal of the converter. By controlling the motor and converter, the batteries alternately charge and discharge, generating an oscillating current for self-heating. This improves heating efficiency without the need for external heating devices, reducing system cost.
Absstract of: US2025242719A1
A battery temperature adjustment system is configured to adjust a temperature of an electricity storage device mounted on a vehicle. The battery temperature adjustment system includes a temperature adjustment device configured to adjust a temperature of the electricity storage device and a processor configured to control the temperature adjustment device. A setting mode of the temperature adjustment device includes a first mode and a second mode.
Absstract of: US2025242705A1
A dual dynamic wireless charging system for battery-dominant vehicles is provided, including for example battery electric vehicles (BEVs), fuel cell electric vehicles (FCEVs), and hybrid-electric vehicles (HEVs). The dynamic wireless charging system includes a transmitter coil installed on a transmitter vehicle, the transmitter coil being inductively coupled to a receiver coil installed on a receiver vehicle. Power transfer is achieved wirelessly while both vehicles are in motion, such that the receiver vehicle does not come off-mission. The transmitter vehicle and the receiver vehicle can travel in a side-by-side configuration, being parallel to each other in adjacent lanes. In other embodiments, a lead-and-follow configuration is used in place of a side-by-side configuration. Vehicle-to-vehicle communications ensure rapid adjustments to speed and trajectory, allowing seamless alignment despite variations in roadway conditions and traffic.
Absstract of: US2025246776A1
An electrode plate includes a current collector, an active substance layer, a tab, and a first insulation adhesive layer. The active substance layer is disposed on surface of the current collector, and the active substance layer is provided with a first groove and a second groove running through the bottom of the first groove to the current collector. The current collector is partially exposed within the second groove. The tab is accommodated in the first groove and the second groove and connected to the current collector. The first insulation adhesive layer is disposed on a side of the first groove facing away from the current collector, and projections of the first insulation adhesive layer and the tab along a thickness direction of the current collector are located within the first groove of the active substance layer.
Absstract of: US2025246675A1
An all-solid-state battery according to an embodiment includes: a solid electrolyte layer; a positive electrode layer and a negative electrode layer disposed with the solid electrolyte layer interposed therebetween; and margin layers disposed at edges of the positive electrode layer and the negative electrode layer, respectively, in a lateral direction, wherein the solid electrolyte layer includes a first solid electrolyte that is glass or glass ceramic that does not contain an element S (sulfur), and the margin layers include a second solid electrolyte that is glass or glass ceramic that contains the element S (sulfur).
Absstract of: US2025246756A1
Provided are a composition for coating a separator, a method of preparing a separator by using the same, a separator, and a lithium battery employing the separator. The composition for coating a separator includes: a polyacrylamide-based copolymer including a cross-linking reactive group; inorganic particles; and water, and the cross-linking reactive group includes at least two functional groups cross-linkable with each other. The composition for coating a separator may be used as a one-component type without a crosslinker, and a separator having high thermal resistance characteristics may be prepared by using the composition.
Absstract of: US2025246747A1
The present disclosure relates to an explosion-proof valve integrated in a top cover and a battery pack, including: a top cover body, provided with an accommodating chamber; an explosion-proof valve body, including a pressure relief channel and a breathable film, in which the pressure relief channel and the top cover body are integrally molded, an end of the pressure relief channel is in communication with an interior of the accommodating chamber, an opposite end of the pressure relief channel is in communication with an exterior of the accommodating chamber and the breathable film is assembled to the end of the pressure relief channel.
Absstract of: US2025246739A1
A power storage module includes a first stack and a second stack alternately disposed side by side in a first direction, wherein the first stack includes a plurality of first unit cells arranged in the first direction, and the second stack includes a plurality of second unit cells arranged in an up-down direction orthogonal to the first direction.
Absstract of: US2025246748A1
An energy storage device includes a container that accommodates an electrode assembly, and the container includes, on a surface of the container as viewed from a thickness direction of the container, a first recessed portion in a portion of a corner portion of the surface or in a portion of a side portion of the surface. The first recessed portion penetrates in the thickness direction, and a gas release valve is disposed in the first recessed portion.
Absstract of: WO2024179226A1
An adapter structure, a battery pack and a vehicle. The adapter structure is applied to the battery pack, and comprises a first adapter, a second adapter and an insulating bracket, wherein the first adapter comprises a first bending structure, which is electrically connected between a first output pole of a battery cell assembly and a power distribution box; the second adapter is spaced apart from the first adapter; the second adapter comprises a second bending structure, which is electrically connected between a second output pole of the battery cell assembly and the power distribution box; and the first bending structure and the second bending structure can pass through the insulating bracket, such that the first adapter and the second adapter are insulated from each other.
Absstract of: WO2024131017A1
A battery, applicable to a vehicle. The battery comprises a composite pole or an end plate assembly. The composite pole comprises a first electrode and a second electrode; the first electrode is electrically connected to the second electrode; the first electrode is configured to be electrically connected to a first battery cell; the second electrode is configured to be electrically connected to a second battery cell. At least one of the first electrode and the second electrode is used for being connected to an end plate, provided with a via hole, of the corresponding battery cell; at least one of the first electrode and the second electrode comprises a pole and a connecting assembly; the connecting assembly is sleeved on the pole and configured to be connected to the corresponding end plate; the connecting assembly and the pole are matched to form a sealing structure so as to seal the via hole in the corresponding end plate.
Absstract of: WO2024219014A1
With the present invention, the discharge energy of a lithium iron phosphate ion battery is increased. This method for manufacturing a lithium iron phosphate ion battery involves: a step of forming a positive electrode containing lithium, iron, phosphorus, and amorphous carbon; a step of forming a negative electrode containing graphite and amorphous carbon; and a step of putting the positive electrode, the negative electrode, and a predetermined electrolyte in a predetermined container and sealing the container. At least one of the amorphous carbon of the positive electrode and the amorphous carbon of the negative electrode has a carbon nanotube or a fullerene of 10 wt.% or less.
Absstract of: WO2025159285A1
This all-solid-state secondary battery comprises a cathode layer, an anode layer, and a solid electrolyte layer between the cathode layer and the anode layer. The cathode layer includes a cathode current collector and a cathode active material layer on one surface of the cathode current collector. The anode layer includes an anode current collector and a first anode active material layer on one surface of the anode current collector. The first anode active material layer includes a first anode active material, a second anode active material and a carbon-based material, and the first anode active material includes an alloy phase.
Absstract of: KR20250115583A
본 발명은 원통형 이차전지 및 이의 제조방법에 관한 것으로서, 본 발명에 따른 원통형 이차전지는, 알루미늄박을 포함하는 양극; 음극; 분리막; 및 전해액;을 포함하고, 상기 양극, 상기 음극 및 상기 분리막은 젤리롤 타입으로 권취된 것일 수 있다.
Absstract of: WO2025157152A1
The present application belongs to the technical field of batteries. Disclosed are a battery cell, a battery and an electrical device. Provided in the present application is a battery cell, the battery cell comprising a housing, electrode terminals, electrode assemblies and current collecting members, wherein the electrode terminals are arranged on a wall of the housing; the electrode assemblies are accommodated inside the housing, and each electrode assembly comprises a tab; and the current collecting members are arranged inside the housing, the current collecting members and the electrode terminals are welded to form a first weld mark, and the current collecting members and the tabs are welded to form second weld marks. In the thickness direction of the current collecting members, a projection of the first weld mark on a first plane is a first projection, projections of the second weld marks on the first plane are second projections, and the first plane is perpendicular to the thickness direction of the current collecting members. The first projection and the second projections at least partially overlap in a first direction, which is beneficial to prolonging the cycle life of the battery cell.
Absstract of: WO2025156799A1
A novel additive, an electrolyte, and a lithium ion battery, relating to the technical field of lithium ion batteries. The electrolyte comprises a lithium salt and a non-aqueous solvent for dissolving the lithium salt, the electrolyte further comprises an electrolyte additive, the electrolyte additive comprises a positive electrode film-forming additive and a negative electrode film-forming additive, and the electrolyte additive further comprises a fluoro isocyanate-based pyridazine organic compound. The additive can absorb moisture and hydrofluoric acid in the electrolyte, reduce the dissolution of transition metals, improve the thermal stability of lithium hexafluorophosphate, and maintains the stability of a ternary material under high voltage; a sulfuric acid group on the novel additive can be oxidized by oxygen at a positive electrode, so that the oxygen generated when an LFO lithium supplementing agent is activated is absorbed, the capacity exertion, high temperature cycle and high temperature storage of the LFO lithium supplementing agent are significantly improved, and the DCIR of the battery will not obviously increase, thereby improving the stability of the battery.
Absstract of: WO2025157028A1
An electrode sheet (300), an electrode assembly and a battery. The electrode sheet (300) comprises a first surface perpendicular to the thickness direction of the electrode sheet (300), wherein the first surface comprises a bump region (310), and a plurality of protrusions (311) are formed in the bump region (310); there is a spacing between the bump region (310) and an edge of the first surface; and the area of the bump region (310) is Y, the projected area of the first surface in the thickness direction of the electrode sheet (300) is E, and Y and E satisfy: 0.1≤Y/E≤0.98. The setting of an appropriate area proportion of the plurality of first protrusions (311) is facilitated; the first protrusions (311) can provide effective support for a separator (50), such that the plurality of first protrusions (311) can effectively buffer a winding stress during a winding process of the electrode assembly and an expansion force for expansion of the electrode assembly, thereby improving the electrolytic-solution infiltration effect of the electrode assembly and ameliorating the interface problem of an electrode; and when applied to a battery, the electrode sheet (300) can improve the cycling performance of the battery.
Absstract of: US2025242720A1
A battery temperature adjustment system includes: a temperature adjustment device adjusts a temperature of a power storage device; and a processor. A setting mode of the temperature adjustment device includes: a first mode that is a setting in which, in response to a travel route including a charging facility, the temperature is adjusted within a first temperature range suitable for charging at a time of arrival at the facility; and a second mode that is a setting in which, in response to receiving a predetermined operation for adjusting the temperature within a second temperature range suitable for charging or traveling, the temperature is adjusted within the second temperature range. The processor controls the temperature adjustment device to adjust the temperature according to the setting mode; and when the setting mode is the first mode, give priority to the second mode in a case where the predetermined operation is received.
Absstract of: US2025243381A1
A particulate coating composition, and preferably a powder coating composition, is disclosed. The particulate coating composition includes an epoxy resin and a curing agent, wherein the curing agent comprises an imidazoline ring. Additionally, the particulate coating composition includes a filler and a degassing agent, preferably benzoin, wherein the total amount of epoxy binder system, and wherein said system includes the epoxy resin and the curing agent, is 40-99 wt %, based on the total weight of the particulate coating composition.
Absstract of: US2025242718A1
In examples, a vehicular battery management system (BMS) comprises a set of battery cells and a secondary network node coupled to the set of battery cells. The secondary network node is configured to measure a parameter in the set of battery cells and generate a packet containing the parameter. The packet indicates a number of super frame slots that have elapsed from a start time of a super frame to the generation of the packet. The secondary network node is configured to wirelessly transmit the packet within the super frame to a primary network node. The primary network node is configured to wirelessly receive the packet and to determine a time at which the secondary network node generated the packet based on the indication, a time duration of each slot in the super frame, and the start time of the super frame.
Absstract of: US2025242717A1
A method for derating a charge power of a battery, includes: obtaining altitude data of a vehicle; obtaining descent speed data of the vehicle; calculating, based on the altitude data and the descent speed data, a prediction value of an increase in a charging current of the battery equipped in the vehicle due to regenerative braking; and derating the charging power of the battery based on the calculated prediction value.
Absstract of: US2025243334A1
Provided is a fiber-reinforced resin composite material containing a thermoplastic resin composition (X) and an inorganic fiber material (Y), in which the thermoplastic resin composition (X) contains a thermoplastic resin and a phosphorus-based flame retardant, the phosphorus-based flame retardant contains an intumescent flame retardant, and the inorganic fiber material (Y) has an elongation at maximum load of 5% or less.
Nº publicación: US2025246737A1 31/07/2025
Applicant:
GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Absstract of: US2025246737A1
An example vehicle battery assembly includes multiple rechargeable battery cells configured to supply power to a drive unit of a vehicle, a cell holder tray mounted within the vehicle, the cell holder tray configured to support the multiple rechargeable battery cells, an upper shear plate, wherein the multiple rechargeable battery cells are between the upper shear plate and the cell holder tray, and an electrical circuit within the cell holder tray, the electrical circuit electrically connected between at least two of the multiple rechargeable battery cells.
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