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BATTERY AND ELECTRICAL DEVICE

Resumen de: US20260321768A1

0000 The battery comprises: a casing, comprising a plurality of frames forming side walls of the casing; and a plurality of battery cells, which are mounted in the casing, wherein the plurality of battery cells comprise a first type of battery cells and a second type of battery cells, the battery cells at least abutting against the frames being the second type of battery cells, and the energy density of the second type of battery cells being greater than the energy density of the first type of battery cells. By using the second type of battery cells as the battery cells abutting against the frames, the battery cells have better charging and discharging performance at low temperatures, thereby effectively improving the heat preservation performance and the charging and discharging performance of the battery at low temperatures, and reducing the temperature difference.

BATTERY AND ELECTRIC DEVICE

Resumen de: US20260321771A1

The battery comprises a case, a heat exchange assembly, and at least one battery cell; the case comprises a plurality of first side beams, and the plurality of first side beams are connected to define a first accommodating cavity; the at least one battery cell is located in the first accommodating cavity; the heat exchange assembly is located in the first accommodating cavity, and comprises at least one heat exchange piece used for exchanging heat with the battery cell; and an accommodating slot is formed in at least one first side beam, and the at least one heat exchange piece is at least partially accommodated in the accommodating slot. In this way, the internal space of the case is saved, the space utilization rate of the battery is improved, and the structural compactness of the battery is improved, thereby improving the volumetric energy density of the battery.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US20260321928A1

A battery cell, a battery, and an electric device are provided. The battery cell includes: a casing; an electrode assembly, disposed in the casing, where the electrode assembly includes an electrode sheet and a separator, the electrode sheet and the separator are stacked and then wound to form the electrode assembly, and the electrode assembly has a winding end along a winding direction of the electrode assembly; and a buffer member, disposed in the casing, where the buffer member covers at least a portion of the winding end along a stacking direction of the electrode sheet and the separator.

BATTERY AND ELECTRICAL APPARATUS

Resumen de: US20260321847A1

0000 The electrical apparatus includes the battery. The battery including a battery unit and a box body, where the battery unit includes at least one battery cell. The box body is provided with two first walls opposite to each other along a first direction (Y), the two first walls being each connected with a first connection member configured to be connected to an external device, where in the first direction (Y), the battery unit is disposed between the two first walls and is position-limited by the first walls. In a case where the first connection member is connected to the external device, the external device can constrain relative positions of the two first walls in the first direction (Y), such that the two first walls can constrain the battery unit along the first direction (Y) to effectively resist the expansion of the battery cell and to reduce the provision of structures.

NEGATIVE ELECTRODE CURRENT COLLECTOR, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260321678A1

A negative electrode current collector, a battery cell, a battery, and an electric apparatus are provided. The negative electrode current collector includes a foam metal substrate, where the foam metal substrate has a mass-specific electrochemically active surface area of 2.5 cm2/g to 20 cm2/g and an electrochemically active volumetric surface area of 22 cm2/cm3 to 180 cm2/cm3.

BATTERY AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE MIXTURE

Resumen de: US20260321591A1

Batteries using a positive electrode mixture comprising a sulfur-based positive electrode active material have room for improvement in terms of cycle characteristics. The battery of the present disclosure comprises a positive electrode mixture layer, an electrolyte layer, and a negative electrode. The positive electrode mixture layer comprises a sulfur-based active material and a P-containing sulfide. A 31P solid-state NMR spectrum of the positive electrode mixture layer satisfies the relationship I1/I2≤0.10 . . . (I1: integrated intensity of peak originating from P2S5, I2: integrated intensity that is the larger of integrated intensity of peak originating from P2S64− and integrated intensity of peak originating from P2S74−).

BATTERY

Resumen de: US20260321674A1

0000 Disclosed is a technique capable of suppressing delamination between the positive electrode current collector and the positive electrode active material layer in a battery using a sulfur-based positive electrode active material, even when the volume of the sulfur-based positive electrode active material changes due to charging and discharging. The battery of the present disclosure comprises a positive electrode current collector, a positive electrode active material layer, an electrolyte layer, and a negative electrode. The positive electrode active material layer comprises a sulfur-based active material. The positive electrode current collector has a contact surface in contact with the positive electrode active material layer. Arithmetic mean roughness of the contact surface is 0.25 μm or more.

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: AU2024446208A1

A battery cell (102), a battery (100), and an electrical apparatus, belonging to the technical field of batteries. The battery cell (102) comprises: a casing component (1), a pole component (2), and an electrode component (3), the casing component (1) having an accommodating cavity (13) and comprising a first casing wall (111) which participates in enclosingly forming the accommodating cavity (13). The electrode component (3) is accommodated in the accommodating cavity (13). The pole component (2) and the first casing wall (111) are located on the same side of the electrode component (3) and are mounted on the first casing wall (111). The electrode component (3) is connected to the pole component (2) by means of a conductive portion (4), an accommodating recess (5) in communication with the accommodating cavity (13) is formed at the pole component (2), the accommodating recess (5) is open in the direction facing the electrode component (3) and is at least partially surrounded by the pole component (2), and at least part of the conductive portion (4) is accommodated in the accommodating recess (5).

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: AU2024446728A1

A battery cell (102), a battery (100), and an electrical apparatus, relating to the technical field of batteries. The battery cell (102) comprises a casing component (1), a pole component (2), and an electrode component (3); the casing component (1) comprises a first casing wall (111), and a mounting hole (112) is formed in the first casing wall (111); the electrode component (3) is accommodated in the casing component (1); the pole component (2) and the first casing wall (111) are located on the same side of the electrode component (3) and are mounted at the mounting hole (112); the pole component (2) comprises a pole body (21), an adapter structure (22), and an insulating sealing structure (23); the pole body (21) is connected to the electrode component (3); the adapter structure (22) surrounds the pole body (21) and is connected to the first casing wall (111); the insulating sealing structure (23) is insulated and is in sealing fit between the adapter structure (22) and the pole body (21).

COVER PLATE ASSEMBLY, BATTERY CELL AND BATTERY MODULE

Resumen de: WO2026214366A1

A cover plate assembly, a battery cell, and a battery module. The cover plate assembly comprises a cover plate (10), a rivet member (20), a pressing ring (30), and a sealing member (40). The cover plate (10) is provided with a mounting hole (11). The rivet member (20) passes through the mounting hole (11). The pressing ring (30) and the sealing member (40) are both sleeved on the rivet member (20). The pressing ring (30) is located above the upper end surface of the cover plate (10), and part of the sealing member (40) is clamped between the cover plate (10) and the pressing ring (30). The arithmetic average roughness of the lower end surface of the pressing ring (30) is Ra1, and the arithmetic average roughness of the upper end surface of the cover plate (10) is Ra2. The absolute value of the difference between Ra1 and Ra2 does not exceed a preset value.

BATTERY PACK FOR AN ELECTRIC MARINE VESSEL

Resumen de: US20260321846A1

0000 Embodiments for a battery pack for an electric marine vessel are described herein. In a particular embodiment, a battery pack for an electric marine vessel comprises a waterproof chassis, a high voltage battery comprising a plurality of battery cells disposed within the chassis, positive and negative high voltage connectors disposed on a front flange of the chassis, a manual disconnect connector disposed on the front flange of the chassis, and a signals connector disposed on the front flange of the chassis, the signals connector configured for signal communication with at least a power distribution unit and a vessel control unit. A battery management system disposed within the chassis and coupled to the signals connector comprises a battery management controller, a plurality of relays operable by the battery management controller, and a plurality of sensors electrically coupled to the battery management controller.

END COVER, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260321826A1

A battery cell includes a shell, an electrode assembly, and an end cover, and an opening is provided at an end of the shell in a first direction, and the electrode assembly is accommodated in the shell. The end cover is configured to cover the opening. The end cover includes an end cover body located in a projection of the opening in the first direction. The end cover is welded to the shell to form a weld pool structure. In a radial direction of the opening, the weld pool structure is exposed on an outer surface of the shell and penetrates deep into the end cover body. In an embodiment of this application, a laser needs to be irradiated from an outer peripheral side of the shell to the vicinity of a boundary position between the shell and a protrusion along the radial direction of the shell.

Slurry Circulation System for Electrode Coating Capable of Circulating a Slurry in the Event of Line Stop and a Method for Circulating a Slurry for Electrode Coating Using Same

Resumen de: US20260316112A1

A slurry circulation system for electrode coating, includes: a double layer slot coating die for applying an electrode active material slurry to a top layer of the electrode and a bottom layer of the electrode on a current collector; a first tank supplying the coating die with a first electrode active material slurry to be coated on the top layer of the electrode; a second tank supplying the coating die with a second electrode active material slurry to be coated on the bottom layer of the electrode; a first circulation pipe connecting the coating die and the first tank; and a second circulation pipe connecting the coating die and the second tank. Upon a line stop, the slurry circulates through the circulation pipes connecting the coating die and the tanks. A method for circulating a slurry for electrode coating uses the slurry circulation system.

POWER OPERATION METHODOLOGY FOR ELECTRIC PRESSURE CONTROL EQUIPMENT

Resumen de: US20260318772A1

A system includes a blowout preventer (BOP) system, a processing system in communication with the BOP system, and a power distribution system connected to the processing system, the power distribution system including rig power, a stored electrical energy system, and at least one power generator. The processing system includes a processor and a non-transitory computer-readable medium in communication with the processor having processor-executable instructions stored thereon, which instruct the processor to: evaluate a power need of the BOP system, determine whether the power distribution system has sufficient power available to support a selected operation mode from a plurality of operation modes for the BOP system in view of the power need, and automatically distribute power from the power distribution system to the BOP system according to the selected operation mode if it is determined that the power distribution system has sufficient power available to support the selected operation mode.

BATTERY MONITORING SYSTEM

Resumen de: US20260321752A1

0000 A battery comprises a housing, one or more energy cells contained within the housing, and a battery monitoring system contained within the housing. The battery monitoring system includes a health sensor configured to take health measurements corresponding to a health condition of the battery. The battery monitoring system includes an electronic module configured to communicate one or more signals corresponding to the health measurements such that the health condition may be determined.

THERMAL MANAGEMENT COMPONENT, BATTERY AND ELECTRICAL APPARATUS

Resumen de: US20260321780A1

0000 A thermal management component, a battery, and an electrical apparatus, including a plate body are disclosed. The plate body enclosing a heat exchange cavity configured for a heat exchange medium to flow through, where along a length direction of the plate body, a plurality of support portions are arranged at intervals within the heat exchange cavity, and the heat exchange cavity includes a pair of inner walls arranged oppositely along a thickness direction, an end portion of each of the support portions intersecting and being connected to at least one of the inner walls of the heat exchange cavity at an acute angle. The thermal management component, the battery, and the electrical apparatus according to the embodiments are capable of effectively preventing a case from cracking.

COOLING DEVICE

Resumen de: WO2026213954A1

A cooling device (20). The cooling device (20) is used for cooling a thermal runaway front (13) of a battery (10). The cooling device (20) comprises a cooling system (21), a sample feeding mechanism (22) and a trigger mechanism (23); the cooling system (21) comprises a cooling box (211) and a liquid storage tank (212), a cooling chamber (2113) is provided in the cooling box (211), and the liquid storage tank (212) is used for delivering a cooling liquid into the cooling chamber (2113); the sample feeding mechanism (22) is used for feeding the battery (10) into the cooling chamber (2113); the sample feeding mechanism (22) is further used for withdrawing the cooled battery (10) from the cooling chamber (2113); and the trigger mechanism (23) is used for triggering thermal runaway of the battery (10) located in the cooling chamber (2113).

BATTERY CHARGING METHOD, AND CIRCUIT, BATTERY APPARATUS, ELECTRIC APPARATUS AND ENERGY STORAGE APPARATUS

Resumen de: WO2026214241A1

The present application belongs to the technical field of batteries. Provided are a battery charging method, and a circuit, a battery apparatus, an electric apparatus and an energy storage apparatus. The method comprises: on the basis of the state of charge (SOC) of each battery, controlling batteries to be in N first charging stages in sequence, with N being an integer, and N≥2, wherein the number of batteries is two, the two batteries are connected in series, and after being connected in series, the two batteries are connected to an external charging apparatus, and the batteries are further connected to a first module; the SOC of each battery in an (n+1)-th first charging stage is greater than the SOC of each battery in an n-th first charging stage, with n being an integer, and 1≤n≤N-1; and each first charging stage comprises a constant-current charging stage and a pulse charging stage, a constant-current charging current corresponding to the (n+1)-th first charging stage is less than a constant-current charging current corresponding to the n-th first charging stage, and the pulse charging stage comprises controlling the first module, such that the two batteries discharge to each other. The battery charging method in the present application can improve the charging efficiency of a battery.

POSITIVE ELECTRODE BINDER, POSITIVE ELECTRODE COMPOSITION, POSITIVE ELECTRODE SHEET AND BATTERY

Resumen de: WO2026214188A1

In order to overcome the problem of a positive electrode binder PVDF being unstable in a strongly alkaline environment in the prior art, the present invention provides a positive electrode binder, a positive electrode composition, a positive electrode sheet and a battery. The positive electrode binder is of a core-shell structure, which comprises a core and a shell that is disposed on the outer surface of the core and at least partially coats the core. The core comprises a first polymer, and the shell layer comprises a second polymer, wherein the glass transition temperature of the first polymer is lower than that of the second polymer; the second polymer comprises a first structural unit containing a polar functional group which is selected from at least one of a carboxyl group, a sulfonic acid group, a phosphoric acid group, a hydroxyl group and a cyano group; and the mass percentage of the first structural unit in the second polymer is 20% or more. The positive electrode binder provided by the present invention is used in a positive electrode sheet that uses lithium cobalt oxide or a ternary positive electrode active material as a main material, and exhibits good adhesion and dispersibility.

APPARATUS FOR SUPPLYING SEPARATOR OF SECONDARY BATTERY

Resumen de: US20260317105A1

0000 Proposed is an apparatus for supplying secondary battery separators, which prevents tension applied to a separator from rapidly increasing even in situations where a sudden change occurs in the separator's transfer speed by controlling the tension applied to the side of the separator located in the internal space of a body part using only pressure generated by the flow of air flowing from an intake to an outlet.

ROLL MAP GENERATING METHOD

Resumen de: US20260321572A1

0000 A method for generating a roll map includes unwinding an electrode sheet from a first electrode roll and winding the electrode sheet into a second electrode roll; collecting unwinding direction data of the first electrode roll; and generating a second roll map of the second electrode roll on the basis of a first roll map of the first electrode roll and the unwinding direction data of the first electrode roll.

BATTERY PACK

Resumen de: US20260321859A1

A battery pack may include a base plate, a first battery cell assembly on a mounting surface of the base plate and including a plurality of first battery cells and a first side beam coupled to the plurality of first battery cells, a second battery cell assembly on the mounting surface of the base plate and including a plurality of second battery cells and a second side beam coupled to the plurality of second battery cells, and a cross beam between the first battery cell assembly and the second battery cell assembly. In addition, first and second side surfaces of the cross beam may be oblique to the mounting surface of the base plate. Further, the first side surface of the cross beam faces the first battery cell assembly, and the second side surface of the cross beam faces the second battery cell assembly.

BATTERY CELL, BATTERY, AND POWER CONSUMING DEVICE

Resumen de: US20260321818A1

0000 A battery cell, a battery, and a power consuming device are provided. The battery cell includes a housing and a protective member. The housing includes a shell and an end cap, the shell has an opening, and the end cap is connected to the shell and closes the opening. The end cap is connected to the shell to form a first connection portion. The protective member is arranged on an outer surface of the housing and covers at least a part of the first connection portion. The protective member includes a liquid absorbing layer and a barrier layer, and the barrier layer is located on a side of the liquid absorbing layer facing away from the first connection portion. The protective member is arranged on the battery cell, and the protective member covers at least a part of the first connection portion.

SEPARATION WALL MEMBER HAVING FIRE EXTINGUISHING PAD AND PACK CASE INCLUDING THE SAME

Resumen de: US20260321858A1

The present disclosure relates to a separation wall member installed between a plurality of battery modules mounted in a battery pack, and, in one example, at least one side surface of the separation wall member has a plurality of groove structures, and the plurality of groove structures are equipped with fire-extinguishing pads embedded with a fire extinguishing agent.

BATTERY, BATTERY MODULE, AND ELECTRIC APPARATUS

Nº publicación: AU2025293656A1 15/10/2026

Solicitante:

EVE POWER CO LTD
EVE POWER CO., LTD.

Resumen de: AU2025293656A1

Provided in the present application are a battery, a battery module, and an electric apparatus. The battery comprises a case, a cover plate, an electrode assembly, terminals and tabs, wherein the cover plate covers the housing to define an accommodating cavity; the electrode assembly is arranged in the accommodating cavity; the terminals are arranged on the cover plate and are located on the side of the cover plate facing away from the accommodating cavity, and the terminals are each provided with a mounting groove in communication with the accommodating cavity; the tabs are arranged in mounting grooves and are electrically connected to inner walls of the mounting grooves; and the electrode assembly extends to openings of the mounting grooves and is connected to the tabs.