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POSITIVE ELECTRODE ACTIVE MATERIALS, PREPARATION METHODS THEREOF, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

Absstract of: EP4593115A1

Provided is a positive electrode active material including core particles including zirconium-doped layered lithium nickel-manganese-aluminium-based composite oxide, wherein the core particle is a secondary particle formed by agglomerating a plurality of primary particles, an average particle diameter (D50) of the secondary particles is about 10 µm to about 25 µm, and in the zirconium-doped layered lithium nickel-manganese-aluminium-based composite oxide, a zirconium content is about 0.2 mol% to about 0.8 mol% based on 100 mol% of a total metal excluding lithium. The positive electrode active material according to some embodiments may maximize capacity, while minimizing a production cost, to ensure long cycle-life characteristics and improve high-voltage characteristics and high-temperature characteristics. If the positive electrode active material is applied to a rechargeable lithium battery, high initial charge/discharge capacity and efficiency may be achieved under high-voltage operating conditions, and long cycle-life characteristics may be realized under high-voltage and high-temperature conditions.

BATTERY MANAGEMENT SYSTEM AND RELATED DEVICE

Absstract of: EP4593240A1

This application provides a battery management system and a related device. The BMS includes a first BMU and a second BMU. Inside the first BMU, a first BMIC is connected between a first-type input port and a first-type output port, and a second-type input port is connected to a second-type output port. Inside the second BMU, a second BMIC is connected between a second-type input port and a second-type output port, and a first-type input port is connected to a first-type output port. The first BMIC and the second BMIC support different communication protocols. The first-type output port of the first BMU is connected to the first-type input port of the second BMU, and the second-type output port of the first BMU is connected to the second-type input port of the second BMU, so that the first BMU communicates with the second BMU. Based on this application, BMUs of different types of BMICs can be used together in a same battery management system, and system compatibility is better.

BATTERY PACK AND ENERGY STORAGE SYSTEM

Absstract of: EP4593229A1

This application provides a battery pack and an energy storage system. The battery pack is configured to supply power to an inverter. The battery pack includes a battery, a conversion circuit, and a black start circuit. The conversion circuit is configured to connect to the inverter through a power bus. The black start circuit includes a first auxiliary power supply, a first capacitor, a switch module, an isolation switch, and a control module. The control module is configured to: when being powered on and a voltage of the power bus is less than a first threshold, control the conversion circuit to output electric energy stored in the battery to the inverter through the power bus. The isolation switch is configured to: when receiving a black start signal, connect a path between the battery and a control end of the switch module, so that the switch module connects a path between the battery and the first capacitor, to supply power to the first auxiliary power supply after a voltage of the first capacitor reaches a preset voltage. The first auxiliary power supply is configured to supply power to the control module after receiving the supplied power. The battery pack can implement black start without an additional power supply. Therefore, costs are low.

AFE CHIP WITH SYNCHRONOUS VOLTAGE SAMPLING AND BATTERY MANAGEMENT SYSTEM

Absstract of: EP4593153A1

The present disclosure provides an AFE chip with synchronous voltage sampling function and a battery management system. N AFE chips are coupled respectively with n battery units, and the first to nth AFE chips are cascaded in a daisy chain. An i-th AFE chip calculates an i-th delay time tdi according to the time point tit when the i-th AFE chip transmits first broadcast command information and the time point tir when it receives response information, and according to a first time T1; where 1 ≤ i < n. The first time T1 represents a time difference between the time point tn' when the n-th AFE chip receives the first broadcast command information and the time point tnt when it transmits the response information. The i-th AFE chip executes second broadcast command information, after the i-th AFE chip receives the second broadcast command information and delays for the i-th delay time tdi; and the n-th AFE chip executes the second broadcast command information at the time point when receiving the second broadcast command information. The second broadcast command information is a voltage sampling command to ensure approximately synchronous voltage sampling timings of the n AFE chips.

BATTERY PACK

Absstract of: EP4593175A1

A battery pack according to the present disclosure is designed to adaptively provide a capacity and an output according to demands for a battery pack. The battery pack includes a plurality of battery cells and has a simplified electrical connection structure among the plurality of battery cells such that a cooling structure for the plurality of battery cells may have uniform cooling without temperature dispersion.

HEAT EXCHANGE APPARATUS AND BATTERY PACK

Absstract of: EP4592632A1

One aspect of the present invention relates to a heat exchange apparatus which includes: a bag body having therein a heat exchange flow path through which a heat exchange medium flows; and a plate-shaped body having therein a supply flow path that communicates with one end of the heat exchange flow path and supplies the heat exchange medium to the heat exchange flow path, and a recovery flow path that communicates with the other end of the heat exchange flow path and recovers the heat exchange medium, in which the bag body has an inlet port through which the heat exchange medium flows in and an outlet port through which the heat exchange medium flows out, the plate-shaped body has a first boss portion having an outlet hole that communicates with the supply flow path and allows the heat exchange medium to flow out, and a second boss portion having an inlet hole that communicates with the recovery flow path and allows the heat exchange medium to flow in, the first boss portion is fitted to the inlet port, and the second boss portion is fitted to the outlet port.

ELECTRODE FOR RECHARGEABLE BATTERY

Absstract of: EP4593099A1

An electrode for a rechargeable battery includes a substrate having an electrode uncoated region, and an active material layer forming an active electrode region on the substrate, the active material layer having an end portion that has an inclined surface with respect to the substrate. An auxiliary layer is formed on the inclined surface of the active material layer, wherein the auxiliary layer includes an active material and a resin.

ANODE FOR LITHIUM METAL BATTERY, LITHIUM METAL BATTERY INCLUDING THE SAME, AND METHOD OF PREPARING ANODE FOR LITHIUM METAL BATTERY

Absstract of: EP4593111A1

A lithium metal battery may include an anode, and a method of preparing an anode for a lithium metal battery, wherein the anode may include an anode current collector; and an electrodeposition inducing layer disposed on the anode current collector, the electrodeposition inducing layer including a first electrodeposition inducing layer and a second electrodeposition inducing layer disposed between the first electrodeposition inducing layer and the anode current collector, the first electrodeposition inducing layer including a metal, and the second electrodeposition inducing layer including a conductive polymer.

BATTERY PACK AND BATTERY SYSTEM THEREOF

Absstract of: EP4593161A1

A battery pack(12) includes a casing(18), a pipe assembly(26), and first, second and third battery modules(20, 22, 24) disposed within the casing(18). The pipe assembly(26) includes an input pipe(40), an output pipe set(50), a communication pipe set(48), and first, second, and third pipe sets(42, 44, 46). The first pipe set(42) is disposed at a first side portion of the casing(18) to be coupled to the input pipe(40) and the first battery modules(20). The second and third pipe sets(44, 46) are disposed at a second side portion of the casing(18) to be coupled to the second and third battery modules(22, 24), respectively. The output pipe set(50) is coupled to the second battery module(22) and the third battery module(24). The communication pipe set(48) is disposed at a back portion of the casing(18), coupled to the first battery module(20), and coupled in parallel to the second battery module(22) and the third battery module(24).

PLUG, ELECTRICAL CONNECTOR, BATTERY PACK AND ELECTRIC DEVICE

Absstract of: EP4592655A1

The disclosure provides a plug, an electrical connector, a battery pack and an electric device, the plug including an insertion end and a tail end in a first direction, and the insertion end being configured for connection with the socket. The plug includes a first housing and a pin disposed in the first housing. The pin includes a terminal and an insulated second housing, the terminal being disposed in the second housing, and the second housing being provided with a first groove on the side of the tail end. The plug also includes a temperature sensing device disposed in the first groove and in contact with the terminal. The temperature sensing device is disposed in the first groove located at the tail end of the plug, the temperature sensing device is in contact with the terminal for temperature measurement and also facilitates its wiring, without interfering with other elements, and the structure of the plug is also relatively simple.

SOLID STATE BATTERY

Absstract of: EP4593124A1

Die Erfindung betrifft eine Festkörperbatterie (1) mit zumindest einem kathodenseitigen Stromsammler (2), einer Kathodenschicht (3), einer Separatorschicht (4) und einem anodenseitigen Stromsammler (6). Die erfindungsgemäße Festkörperbatterie ist dadurch gekennzeichnet, dass zwischen der Kathodenschicht (3) und dem kathodenseitigen Stromsammler (2) eine Sicherheitsschicht (7) angeordnet ist, welche Kohlenstoff und wenigstens ein thermisch sensitives Salz aufweist, welches sich bei Temperaturen in der Größenordnung von 100° bis 180° C zersetzt.

CYLINDRICAL SECONDARY BATTERY

Absstract of: EP4593137A1

A cylindrical secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and electrically connected to the second electrode plate; a terminal electrically connected to the first electrode plate and coupled to the case via a first gasket; a cap plate configured to seal an upper end portion of the case, a second gasket between the case and the cap plate; a first current collector between a lower surface of the electrode assembly and the terminal; and a second current collector between an upper surface of the electrode assembly and the cap plate and at one side of an edge region thereof between the case and the second gasket. An electrically conductive connection induction portion is on at least one of the cap plate or the second current collector.

ELECTRODE ASSEMBLY OF RECHARGEABLE BATTERY

Absstract of: EP4593186A1

An electrode assembly of a rechargeable battery includes an electrode plate of a positive electrode and a negative electrode on both surfaces of a separator. The electrode plate may include an electrode substrate, a first active material layer on a first surface of the electrode substrate, a second active material layer on a second surface of the electrode substrate, At least one of the electrode plates includes a first lamination tape and a second lamination tape attached to the first active material layer, an end portion of the electrode substrate, and the second active material. The first lamination tape forms a first attachment portion, the second lamination tape forms a second attachment portion, and an end of the first attachment portion on the first active material layer and an end of the second attachment portion on the second active material layer are spaced apart from each other in a winding direction.

SECONDARY BATTERY

Absstract of: EP4593172A1

One embodiment of the present disclosure relates to a secondary battery including a cylindrical can including a circular bottom part, and a side part extending from the bottom part, the side part having an open end portion, an electrode assembly accommodated in the cylindrical can, a current interrupt device disposed in the open end portion of the side part and having a vent therein, and a gasket disposed between the side part and the current interrupt device and including a protrusion configured to support a lower part of the current interrupt device.According to the embodiment of the present disclosure, by improving the shape of the gasket, components such as a cap-up and a safety vent are not deformed by pressure when a crimping part and a beading part are formed on the can for assembly of the cap assembly. Thus, the stability of the secondary battery can be improved.

SECONDARY BATTERY

Absstract of: EP4593136A1

A secondary battery includes an electrode assembly; a can configured to accommodate the electrode assembly that includes an open upper surface and a beading part and a crimping part on a side surface of the can; a cap plate between the beading part and the crimping part of the can that is configured to close the open upper surface of the can; a first gasket between the can and an edge part of the cap plate that includes an upper end at a same height as or below an upper surface of the edge part of the cap plate; and a terminal electrically connected to the electrode assembly.

PRESSURIZING AND SEALING DEVICE FOR ALL-SOLID-STATE SECONDARY BATTERY

Absstract of: EP4593138A1

Proposed is a pressurizing and sealing device for an all-solid-state secondary battery. More particularly, proposed is a pressurizing and sealing device for an all-solid-state secondary battery, in which a side of the pressurizing and sealing device is vacuum-adsorbed to seal an all-solid-state secondary battery while forming an internal space that transmits a pressurizing force to the all-solid-state battery, thereby enabling the all-solid-state battery to be pressurized under isotropic pressure conditions during a high-temperature pressurization process for the second battery.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Absstract of: EP4592250A1

Disclosed are positive electrode active materials, methods of fabricating the same, and rechargeable lithium batteries including the same. The positive electrode active material includes a first particle including a first lithium composite oxide. The first particle includes a first primary particle that extends in a radial direction from a center of the first particle toward a surface of the first particle, and a second primary particle on the surface. An aspect ratio of the first primary particle is about 2 to about 15. An aspect ratio of the second primary particle is about 0.7 to about 3.

BATTERY FOR A POWER TOOL

Absstract of: EP4593236A1

A battery (2) is provided that is arranged to power a power tool (3) connected thereto. The battery comprises a communication interface (6) arranged to communicate with the power tool, and a control device (4). The control device is configured to, via the communication interface, receive from the power tool data indicative of an energy requirement for an upcoming operation to be performed by the power tool; estimate whether the battery at the moment is able to deliver power according to said energy requirement; and, based on the estimation, issue an approval or a denial of taking power from the battery to the power tool for performing the operation.

PLUG, ELECTRICAL CONNECTOR, BATTERY PACK AND ELECTRIC DEVICE

Absstract of: EP4593213A1

The disclosure provides a plug, an electrical connector, a battery pack, and an electric device, the plug including an insertion end and a tail end, and the insertion end being configured for connection with a socket. The direction from the insertion end to the tail end is a first direction, the plug includes a first housing and a high-voltage pin, and the high-voltage pin is disposed in a first through hole of the first housing. The high-voltage pin includes a high-voltage terminal and an insulated second housing, the high-voltage terminal being disposed in the second housing. The second housing is provided with a first limiting member and a second limiting member, the first limiting member being an elastic member, and an included angle α between the first limiting member and the first direction being an acute angle. A wall of the first through hole includes a first wall extending in the first direction and a second wall extending in a second direction, the first limiting member being engaged with the second wall, and the second limiting member being engaged with at least one of the first wall and the second wall.

MÉTODO DE TRATAMIENTO DE BATERÍAS DE DESECHO

Absstract of: MX2025002263A

A treatment method of a waste battery according to the present invention comprises: a discharge process for discharging waste batteries; a disassembly process for disassembling the discharged waste batteries into individual cells; a crushing process for crushing the disassembled waste batteries; a firing process for firing the waste batteries crushed into the individual cells; a grinding process for grinding the fired waste batteries; and a wet process for extracting and collecting metal from the ground waste batteries.

MÉTODO DE PREPARACIÓN DE SAL ELECTROLÍTICA

Absstract of: WO2024259615A1

Disclosed in the present disclosure is a method for preparing an electrolyte salt, belonging to the technical field of salt lake lithium extraction. The present disclosure comprises first subjecting salt lake brine to extraction by using an organic phase to obtain a lithium-rich organic phase; and then performing electrolysis by means of using the lithium-rich organic phase as a cathode electrolyte, so as to enrich and recycle lithium to an anode chamber and generate lithium hexafluorophosphate. Using a lithium-rich electrode and a lithium-poor electrode to perform electrolysis can achieve high lithium selectivity, and can effectively prevent other impurity ions from being extracted into the organic phase; and PF6- in an ionic liquid in a cathode chamber enters an organic solution in the anode chamber by means of a membrane so as to form the LiPF6 electrolyte salt.

배터리 셀, 배터리 및 전기 장치

Absstract of: WO2025060402A1

A battery cell, a battery, and an electric device, relating to the technical field of batteries. The battery cell comprises: a first shell wall, a pole, a first insulating seal, and a pad, wherein the pole comprises a penetration part and a first extension part, the first extension part extends to the outer side of the outer surface of or the inner side of the inner surface of the first shell wall, the penetration part and the first extension part constitute a first pole part, the first insulating seal is matched between the first pole part and the first shell wall, and the pad is arranged between the first pole part and the first shell wall and used for buffering the acting force applied to the first insulating seal by at least one of the first pole part and the first shell wall.

BATTERY CELL BATTERY CELL ASSEMBLY AND BATTERY PACK

Absstract of: KR20250115274A

예시적인 실시예들에 따르면, 배터리 셀이 제공된다. 상기 배터리 셀은, 전극 어셈블리를 수용하고, 서로 반대인 제1 주면 및 제2 주면을 포함하는 셀 케이스; 및 상기 셀 케이스에 결합되고 내화 물질을 포함하는 내화 구조를 포함하되, 상기 내화 구조는 셀 케이스의 실링부를 상기 셀 케이스의 사이드에 고정하고, 상기 셀 케이스의 상기 사이드는 상기 제1 및 제2 주면들의 사이에 개재되며, 및 상기 내화 구조는 Γ형상을 갖는다.

Power Storage Device and Method of Manufacturing of Power Storage Device

Absstract of: US2025239681A1

A power storage device includes power storage modules, a housing case accommodating the power storage modules, and a plate-like member placed on an outer wall of the housing case. The outer wall of the housing case and the plate-like member form a coolant passage through which a coolant is allowed to circulate.

고성능 배터리 바인더

Nº publicación: KR20250115415A 30/07/2025

Applicant:

솔베이스페셜티폴리머스이태리에스피에이폴리테크니코디토리노

Absstract of: WO2024120752A1

The invention pertains to fluorinated copolymers comprising recurring units bearing silane groups, and to their use as binder for electrodes in Li-ion batteries.