Alerta

ALL-SOLID-STATE BATTERY

Resumen de: EP4683028A1

An all-solid-state battery (10) disclosed herein includes a laminate (100) that includes at least one power generating element (110), an insulating film (120) that is disposed to surround the laminate (100), and an exterior body (130) inside which the laminate (110) and the insulating film (120) are housed. The exterior body (130) is formed using a metal laminated film. The inside of the exterior body (130) is depressurized.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: EP4682992A1

This application provides a secondary battery and an electronic apparatus. The secondary battery includes a positive electrode plate, where the positive electrode plate includes a positive electrode current collector and a positive electrode film layer. The positive electrode film layer is disposed on at least one side of the positive electrode current collector, and the positive electrode film layer includes a positive electrode active material and organic particles provided on a surface of the positive electrode active material, the organic particles being configured to undergo a thermal polymerization reaction under a heat treatment condition to form an insulating layer covering at least a portion of the surface of the positive electrode active material. When the adhesion forces between the positive electrode film layer and the positive electrode current collector before and after the heat treatment, and the resistances of the positive electrode plate before and after the heat treatment satisfy suitable relationships, the secondary battery can have good safety performance and cycling performance.

ALL-SOLID-STATE BATTERY

Resumen de: EP4683027A1

The present invention provides an all-solid-state battery comprising an electrode assembly comprising an electrode laminate comprising a positive electrode, an electrolyte film, and a negative electrode; and a pair of protective layers positioned on each of the sides of the positive electrode and the negative electrode; and a separator wrapped around the electrode assembly in a zigzag manner, such that the electrode assembly is positioned in a folded portion.

BATTERY MODULE INCLUDING CIRCUIT BOARD

Resumen de: EP4683038A1

The present invention provides a structure of a battery module including a plurality of battery cells stacked in widthwise direction to form a cell laminate, wherein the cell laminate includes a circuit board, the circuit board including at least one of: a temperature sensor in contact with a surface of battery cell, and a surface pressure sensor measuring internal stress in widthwise direction of the cell laminate.

APPARATUS AND METHOD FOR MANAGING BATTERY

Resumen de: EP4682557A1

A battery management apparatus according to an embodiment of the present disclosure includes a reference information storage unit configured to store a reference capacity information of a reference battery; a capacity information generating unit configured to generate capacity information of each of a plurality of batteries; a characteristic information calculating unit configured to calculate a capacity change ratio that is a ratio of the capacity information and the reference capacity information for each of the plurality of batteries; a calculation processing unit configured to calculate a relative difference of the plurality of capacity change ratios; and a diagnosing unit configured to diagnose a state of the plurality of batteries using a calculation result of the calculation processing unit.

SECONDARY BATTERY AND ELECTRONIC APPARATUS

Resumen de: EP4682997A1

This application provides a secondary battery and an electronic apparatus, where the secondary battery includes a packaging bag and an electrode assembly accommodated within the packaging bag. The electrode assembly includes a positive electrode plate and a negative electrode plate; where the positive electrode plate includes a positive electrode current collector, the positive electrode current collector including a first metal layer; and the negative electrode plate includes a negative electrode current collector, an elongation rate of the negative electrode current collector being 8% to 25%, and a tensile strength of the negative electrode current collector being 200 MPa to 450 MPa. When the elongation rate and tensile strength of the negative electrode current collector are within the above ranges, the debris generated by the negative electrode current collector is reduced when the secondary battery is subjected to an external impact, which can lower the probability of the negative electrode current collector debris acting as a short-circuit site and triggering the positive electrode current collector-negative electrode material layer short-circuit mode, thereby contributing to improving the safety performance of the secondary battery.

SOLID POLYMER ELECTROLYTE FOR ALL-SOLID-STATE BATTERIES

Resumen de: CN121039857A

The present technology relates to solid polymer electrolyte membranes comprising a heterogeneous mixture of at least two different polymers, one of which is a branched polyether having at least 3 branches. Methods for their manufacture, as well as electrochemical cells, batteries and electrochemical energy accumulators comprising them, and uses thereof are also described.

MULTI-PORT BATTERY PACK CHARGER

Resumen de: WO2024192311A1

The present disclosure is directed to a multi‐port battery pack charger. The charger includes at least two receptacles for coupling with and charging at least two battery packs. The charge includes at least two AC to DC power supplies for providing a DC charging current to charge the at least two battery packs. The charger also includes a bridge assembly circuit to enable the charger to share the charging current provided by the at least two power supplies amongst the at least two receptacles.

MONOLITHIC HIGH LOADING ELECTRODES

Resumen de: WO2024192215A1

Provided are new electrode constructions that allow for improved energy density and robust structure, optionally without the presence of surface cracks. The electrodes as provided include an electrode active material, the electrode active material optionally comprising carbon at 75 wt% or greater, a current collector optionally incorporated into said electrode active material, and a first fluid permeable sheet layer on or in a first surface of the electrode active material. The presence of the fluid permeable sheet layer as provided herein allows for manufacture of electrodes with high levels of active material without formation of flaws, optionally surface cracking, that interrupt the energy storage or delivery characteristics of the resulting electrode.

METHOD FOR PREPARING POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE SHEET, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4682990A1

A method for preparing a positive electrode material, a positive electrode material, a positive electrode plate, a battery, and an electric apparatus are provided. The method includes: mixing a lithium source with a phosphoric acid solution to obtain a first mixture; mixing the first mixture with manganese hydrogen phosphate, an iron source, and an optional source of an M element to obtain a second mixture; and drying and sintering the second mixture to obtain a lithium manganese iron phosphate positive electrode material; where the M element includes one or more of transition metal elements other than manganese and iron, Group IIA metal elements, Group IIIA metal elements, Group IVA metal elements, and Group VIIA elements. The method reduces side reaction gases and by-products, increases the compacted density of the positive electrode material, lowers the resistivity of the positive electrode material, and improves the specific capacity and rate performance of a battery.

ENERGY STORAGE BOX AND ENERGY STORAGE APPARATUS

Resumen de: EP4683076A1

An energy storage box (100) and an energy storage apparatus. The energy storage box (100) comprises a box body (10), wherein the box body (10) defines a mounting space (11), mounting beams (12) are provided in the mounting space (11) and located at the top of the mounting space (11), the mounting beams (12) are fixed to the box body (10), and a bottom wall (13) of the mounting space (11) and the mounting beams (12) are opposite each other and spaced apart in the direction of height of the energy storage box (100), the bottom wall (13) of the mounting space (11) being of a plate-shaped structure; and mounting columns (20), wherein the mounting columns (20) are arranged in the mounting space (11), two ends of each mounting column (20) respectively being fixedly connected to one mounting beam (12) and the bottom wall (13) of the mounting space (11).

ELECTRONIC DEVICE

Resumen de: EP4683231A1

The present disclosure relates to an electronic device, and provides the electronic device including a body portion in which a receiving portion having an indented shape is formed; a secondary battery accommodated in the receiving portion; and an insert unit that is at least partially bonded to the secondary battery and is provided to separate the secondary battery from the receiving portion as it is deformed, wherein the insert unit includes a manipulation portion; and a deformation portion connected to the manipulation portion and provided to be deformed by manipulation of the manipulation portion.

BATTERY MANAGEMENT DEVICE, BATTERY MANAGEMENT METHOD, AND BATTERY CHARGE AND DISCHARGE SYSTEM

Resumen de: EP4682558A1

A battery management device includes: an interface that obtains voltage measurement values generated by measuring voltage from a battery at regular time intervals within a first time period; and a controller that: derives an average rate of change of the voltage measurement values during the first time period; compares the voltage measurement values with corresponding values according to the average rate of change to derive voltage difference values during the first time period; and determines whether an error exists in the voltage measurement values during the first time period based on the voltage difference values.

COOLING TECHNIQUES FOR BATTERY PACKAGES

Resumen de: CN120958639A

A method includes forming a cooling plate including an electrically conductive material and having a plurality of openings, and applying a dielectric coating on the cooling plate. The method further includes placing the cooling plate in proximity to a metal sheet including one or more metals and exposing the cooling plate to moisture and/or water. In one example, a minimum lateral distance between the cooling plate and the metal plate is at most 0.5 inches. The method further includes applying a voltage across the cooling plate and the metal plate when the cooling plate is exposed to moisture and/or water, and measuring a leakage current through the cooling plate resulting therefrom. A thickness of the dielectric coating on an edge of an opening of the plurality of openings is at least 0.003 inches.

ARCHITECTURE FOR BATTERY PACKS

Resumen de: CN120957890A

A battery assembly includes a housing and a plurality of battery modules within the housing. Each battery module includes an array of battery cells, one or more first sensors configured to measure one or more first parameters of the corresponding battery module, and a first processor configured to receive sensing signals from the one or more first sensors of the corresponding battery module. One or more second sensors are located within the housing, but outside the battery module, and are configured to measure one or more second parameters of the battery assembly. A second processor within the housing is to receive data from each of the first processors and the one or more second sensors, and to transmit controller input data to a controller external to the battery assembly, the controller input data based on data received from the first processors and the one or more second sensors.

TRIGGER CELL FOR TRIGGERING THERMAL RUNAWAY IN BATTERIES

Resumen de: CN120936854A

A system for testing thermal runaway in a battery cell includes a first layer of first dielectric material at least partially wrapping the battery cell, and a wire at least partially wrapping the first layer of first dielectric material. The system also includes a second layer of a second dielectric material at least partially wrapping the wire, and a power source configured to supply power to the wire. In one example, the first layer of the first dielectric material includes a polyimide film and the second layer of the second dielectric material includes mica. The system also includes a temperature sensor in contact with the first layer, the second layer, and/or the battery cell. The controller is to receive a temperature reading from the temperature sensor and to control power provided by the power source to the wire based at least in part on the temperature reading.

TWO-COMPONENT THERMALLY CONDUCTIVE ADHESIVE

Resumen de: CN120882827A

Two-component thermally conductive adhesives with high conductivity filler loading are disclosed.

PCB COMPRISING CURRENT LINE ADJACENT TO BOSS HOLE

Resumen de: EP4683436A1

Disclosed is a PCB including a boss hole formed in a hole shape configured to fix the PCB, wherein an electrical pattern is disposed along an inner side surface of the boss hole. Consequently, it is possible to utilize conventional PCBs without any change and to secure the allowable current as energy density increases even in increasingly constrained physical and spatial environments.

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4683071A1

The present application provides a battery and an electric apparatus capable of improving the structural performance of a mounting structure in the battery. The battery includes: a battery cell; a box, configured to accommodate the battery cell, where the box includes a first wall and a second wall that are oppositely arranged, the first wall and the second wall intersect with a first direction, a first cross beam is disposed between the first wall and the second wall, the first cross beam includes a third wall that intersects with the first direction and is close to the first wall, a gap is disposed between the third wall and the first wall, and the first cross beam is provided with a first through hole extending along the first direction; and a mounting structure, configured to at least partially pass through the first through hole and abut against the third wall in the gap.

PREPARATION METHOD FOR INJECTED LITHIUM MANGANESE IRON PHOSPHATE CATHODE MATERIAL, ELECTRODE AND LITHIUM BATTERY

Resumen de: EP4682102A1

The present application belongs to the field of lithium battery technology, particularly relating to a preparation method for injected lithium manganese iron phosphate cathode material, electrodes, and lithium batteries. The method comprises: mixing, grinding, and drying lithium source, iron source, phosphorus source, and carbon source to obtain a lithium iron phosphate precursor; The lithium iron phosphate precursor is subjected to a first stage sintering and a second stage sintering in an inert gas atmosphere to obtain lithium iron phosphate material; The lithium iron phosphate material is processed into a flaky form, and manganese ions are implanted on both sides of the flaky lithium iron phosphate material in a preset vacuum degree environment to obtain lithium manganese iron phosphate cathode material.

POSITIVE ELECTRODE FOR ALL-SOLID-STATE RECHARGEABLE BATTERY AND ALL-SOLID-STATE RECHARGEABLE BATTERY INCLUDING SAME

Resumen de: EP4682968A1

Provided is an all-solid-state rechargeable battery which can suppress degradation of battery performance due to charging and discharging even when no external pressure is applied or under low restraining pressure.The positive electrode for an all-solid-state rechargeable battery includes a positive electrode current collector and a positive electrode composite layer stacked on the positive electrode current collector, wherein the positive electrode composite layer includes a positive electrode active material capable of intercalating and deintercalating lithium ions, a sulfide solid electrolyte, and an ionic soft viscous crystal containing a 1,1,2,2,3,3-hexafluoropropane-1,3-disulfonimide anion.

ELECTRICAL ENERGY STORAGE DEVICE, AND MANUFACTURING METHOD FOR NEGATIVE ELECTRODE AND ELECTRICAL ENERGY STORAGE DEVICE

Resumen de: EP4682964A1

An electrical energy storage device (100) disclosed herein includes an electrode body (20) including a positive electrode (22) and a negative electrode (24). The negative electrode (24) includes a negative electrode current collector (24c) and a negative electrode active material layer (24a). When the negative electrode active material layer (24a) is divided into two virtually in a thickness direction (T), in which a region that is close to the negative electrode current collector (24c) is a lower layer region (A1) and a region that is far from the negative electrode current collector (24c) is an upper layer region (A2), the content of a sodium element in the lower layer region (A1) is lower than the content of the sodium element in the upper layer region (A2).

BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: EP4683086A1

The present disclosure relates to a battery pack including: a plurality of battery cells; and a pack case having a plurality of accommodation spaces configured to respectively accommodate battery cells obtained by dividing the plurality of battery cells, at least one of the plurality of accommodation spaces having a venting portion configured to discharge venting gas released from the battery cell to the outside of the accommodation space, and a venting path configured to be in communication with the venting portion.

BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: EP4683085A1

The present disclosure relates to a battery pack including: a pack case having an inner space formed therein and a venting path configured to communicate the inner space and the outer space; and a battery module accommodated in the inner space of the pack case and including a plurality of battery cells, a module case configured to accommodate the plurality of battery cells and having a venting hole formed to discharge venting gas generated from the battery cell to the outside, and an opening/closing member configured to open and close the venting hole and cause the venting hole to communicate with the venting path when opened.

HOUSING, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Nº publicación: EP4683049A1 21/01/2026

Solicitante:

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited

Resumen de: EP4683049A1

Embodiments of the present application provide a case, a battery cell, a battery, and a power consuming apparatus. The case includes a first case portion and a second case portion. An opening is formed in the first case portion. The first case portion includes a first wall opposite to the opening and a second wall connected to the first wall. The first wall and the second wall are integrally formed. The second case portion is fixedly connected to the second wall. In a depth direction of the first case portion, at least a portion of regions of the case is jointly formed by the first case portion and the second case portion. According to the case, the battery cell, the battery, and the power consuming apparatus in the embodiments of the present application, a risk of cracking of the case can be reduced.