Alerta

BATTERY CORE, CASE BODY, BATTERY MODULE AND BATTERY PACK

Resumen de: EP4600032A1

The disclosure provides a battery core, a case body (100), a battery module, and a battery pack. The battery core provided by the disclosure includes the following. A case body (100) is provided, and the case body (100) has side surfaces (110) and a bottom surface (120) connected to each other. A composite layer (200) includes a shear resistant layer (210) and a connection layer (220). The shear resistant layer (210) is connected to the case body (100) through the connection layer (220). At least one of the shear resistant layer (210) and the connection layer (220) is an insulation layer, and the composite layer (200) covers at least one of at least part of the side surfaces (110) and at least part of the bottom surface (120).

POSITIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4601050A1

This application provides a positive electrode plate (1) and a preparation method (200) thereof, a battery cell (3), a battery (5), and an electric apparatus (6), belonging to the field of battery technology. The positive electrode plate (1) includes: a positive electrode current collector (10) and a first film layer (11) and a second film layer (12) disposed on the same side of at least one surface of the positive electrode current collector (10); where the first film layer (11) includes a first active material, and the first active material includes at least one of a material with an olivine structure and a material with a spinel structure; the second film layer (12) includes a second active material, and the second active material includes a material with a layered structure; a resistivity R1 of the first active material and a resistivity R2 of the second active material satisfy: 20 ≤ R2/R1 ≤ 500. The technical solution of the embodiment of this application enhances the performance of the battery cell (3).

NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY

Resumen de: EP4601035A1

An anode material, a preparation method thereof, and a lithium ion battery provided, relating to the technical field of lithium ion battery. The anode material includes a core and a coating layer formed on at least part of surface of the core, the core includes a silicon-based material, and the anode material has pore structure, where the pore structure has a differential ratio ΔΦ=ΔS×sΔP×Qmax satisfying 1×10<-3>≤ΔΦ≤0.5, where ΔS is an area of a hysteresis loop in isothermal adsorption and desorption curve of the anode material; s is a specific surface area of the anode material; ΔP is an interval difference of a relative pressure P/Po corresponding to the hysteresis loop, where 0≤ΔP≤1; and Qmax is a maximum isothermal adsorption quantity of the anode material. The preparation method of the anode material includes: performing chemical vapor deposition a silicon-based material core to be coated for coating, to obtain an anode material with pore structure. By forming a pore structure with certain complexity on the anode material, rate performance and cycle performance of the material are improved.

ELECTRODE PLATE, ELECTRODE ASSEMBLY, AND RECHARGEABLE BATTERY INCLUDING THE SAME

Resumen de: EP4601051A1

An electrode plate includes: a base layer; a current collecting layer including: a first conductive layer; and a second conductive layer respectively on upper and lower surfaces of the base layer; and an electrode plate layer on at least one surface of the current collecting layer, wherein the current collecting layer includes: a current collecting portion where the electrode plate layer is on at least one surface; an extending portion extending outward from the current collecting portion; and a curved portion connected to the extending portion and having a portion that is bent.

COMPOSITE MATERIALS AND THEIR USE IN ELECTROCHEMICAL APPLICATIONS AND ELECTRODE COATINGS MADE THEREFROM

Resumen de: WO2025093194A1

The present invention relates to composite materials having an elemental composition consisting of 30 to 70 wt.-% nickel, 5 to 20 wt.-% molybdenum, 2 to 10 wt.-% chromium, 2 to 10 wt.-% X, wherein X represents one or more elements selected from the group cerium, cobalt, copper, gadolinium, lanthanum, lithium, magnesium, niobium, praseodymium, samarium, scandium, strontium, tantalum, titanium, tungsten, ytterbium, yttrium and mixtures thereof, and optionally up to 30 wt.-% oxygen, wherein the balance of the composite metal and metal oxide material is made up of aluminium or zinc or mixtures thereof and inevitable impurities. The invention further relates to the use of the composite materials of the invention in the production of electrochemical catalyst systems, electrodes for energy storage or energy conversion applications. Finally, the present invention relates to electrodes comprising a substrate coated with the composite materials according to the invention.

ELECTRODE MANUFACTURING DEVICE AND ELECTRODE MANUFACTURING METHOD

Resumen de: EP4601023A1

The present invention relates to an electrode manufacturing apparatus including an unwinding part for continuously supplying an electrode current collector wound in the form of a roll, a plasma treatment unit for performing plasma treatment on the surface of the wound electrode current collector, an active material application unit in which an active material layer is disposed by applying an active material slurry to the surface of the electrode current collector, a drying unit for drying an active material layer disposed on the surface of the electrode current collector, and a winding unit for winding the electrode current collector on which the active material layer is dried into the form of a roll, wherein the plasma treatment unit includes a guide roller that applies tension to the electrode current collector and at least one plasma generator inside the guide roller, wherein the plasma generator performs surface treatment by spraying a gas in a plasma state onto the surface of the electrode current collector in contact with the guide roller.

BATTERY PACK

Resumen de: EP4601071A1

A rechargeable battery pack (100) includes a holder (10) with an accommodation space (11a) therein, a plurality of unit battery cells (12) in the accommodation space, a connection tab (20) electrically connecting the plurality of unit battery cells at an upper part of the holder, a busbar (30) including a connector (35) electrically connected to the connection tab and extending to the upper part of the holder, a BMS circuit (60) electrically connected to the connector, and a support (50) between the connector and the BMS circuit, and supporting the BMS circuit on an upper surface of the holder.

RECHARGEABLE BATTERY PACK

Resumen de: EP4601072A1

A rechargeable battery pack (100) includes a holder (10) including a plurality of accommodation spaces therein; a plurality of unit battery cells (12) in the plurality of accommodation spaces; at least one connection tab (20) that electrically connects the plurality of unit battery cells on an upper portion of the holder; a busbar (30) that includes a busbar plate (31a, 33a) electrically connected to the at least one connection tab and extending in a first direction along a side surface of the holder, and a bending connection portion on the upper portion of the holder, the bending connection portion being connected to the busbar plate and bent in a second direction that is perpendicular to the first direction; and a battery management system (50), BMS, circuit on the upper portion of the holder and electrically connected to the bending connection portion.

POSITIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4601046A1

Embodiments of this application provide a positive electrode plate and a preparation method therefor, a battery cell, a battery, and an electric device. The positive electrode plate includes: an active material layer, where the active material layer includes a first active material, a conductive agent, and a binder. The first active material includes a layered transition metal oxide, and the binder includes a flexible binder, configured to bind the first active material and the conductive agent. Performance of a battery including the positive electrode plate is improved.

SODIUM ION LAYERED METAL OXIDE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE MATERIAL, AND SODIUM ION BATTERY

Resumen de: EP4601047A1

The present disclosure belongs to the technical field of Na-lon Batteries. Provided are a Na-ion layered metal oxide material and a preparation method thereof, and a cathode material and a Na-lon Battery. The Na-ion layered metal oxide material has a chemical formula being NaxNiaMnbTi(0.5-b)M(0.5-a)O(2-y)Fy (formula I), wherein 0.9≤x≤1.0, 0.3≤a<0.5, 0.3≤b≤0.4, 0.1≤1-a-b≤0.35, and 0≤y<0.1, and M includes at least one of Zn, Mg, Sn, Sb, Y, or Cu. Through the doping of F element and M element, the structural stability of the material is improved. In addition, according to the preparation method of the present disclosure, generation of impure phases can be reduced, and distribution of M element in a finished product is more uniform, such that a cathode plate and NIB containing the Na-ion layered metal oxide material have a high discharging specific capacity and cycling performance.

SINGLE-CRYSTAL TERNARY POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: EP4600218A1

A single crystal ternary positive electrode material and a method for preparing the same are disclosed, which belong to materials of lithium-ion battery. The method includes: firstly, mix a first lithium source with a single crystal ternary precursor, which are subjected to a first low-temperature sintering stage to form a first sintered material; secondly, mix a second lithium source with the first sintered material, which are subjected to a second low-temperature sintering stage to form a second sintered material; thirdly, subject the second sintered material to a high-temperature sintering and obtain the single crystal ternary positive electrode material. Wherein the first lithium source is lithium carbonate, the temperature of the first sintering stage, the second sintering stage and the high-temperature sintering stage are respectively 600°C ~ 800°C, 600°C ~ 800°C and 900°C ~ 1000°C. Lithium carbonate is used as the first lithium source, and the sintering process is divided into three stages to make the lithium carbonate react more fully with the precursor, which is beneficial to avoiding the disadvantage of low activity of lithium carbonate and reducing the alkali content of the ternary cathode material.

SEPARATOR, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4601104A1

The present application provides a separator, comprising a first base membrane and a second base membrane, wherein the melting point of the second base membrane is lower than the melting point of the first base membrane, and the average fiber filament diameter of the first base membrane is greater than the average fiber filament diameter of the second base membrane. The average fiber filament diameter of the second base membrane is smaller, so that the second base membrane has a richer pore structure, and the tolerance capability of the second base membrane to physical puncture of lithium dendrites is enhanced. In addition, when the average fiber filament diameter of the first base membrane having a high melting point is greater than the average fiber filament diameter of the second base membrane having a low melting point, the continuity and effectiveness of a final separator ion transmission channel can also be guaranteed, thereby improving the reliability of the separator, and improving the reliability of the secondary battery.

NEGATIVE-ELECTRODE CURRENT COLLECTOR AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4601049A1

A negative electrode current collector according to the present invention includes a copper thin film on which peaks and valleys are formed, and metal particles which are disposed in at least a portion of the valleys, have a higher standard reduction potential than a lithium ion, and are capable of forming a solid solution with lithium (Li).

METHOD FOR PRODUCING AN ACCUMULATOR AND DEVICE FOR PRODUCING AN ACCUMULATOR

Resumen de: WO2024133445A1

The invention relates to a method for producing an accumulator, having at least one cell stack (4), which is formed by stacked single sheets (6), wherein the cell stack (4) is wrapped with a film (8) using a device (2).

RAPID SYNTHESIS OF A SULFIDE-BASED SOLID ELECTROLYTE

Resumen de: US2024166514A1

Provided herein are methods for synthesizing sulfide-based solid electrolytes, including those with an Argyrodite phase. The methods generally comprise mixing electrolyte precursors in a blend of solvents comprising a catalytic solvent and a spectator solvent.

BATTERY

Resumen de: WO2024074533A1

A gelled lead acid battery comprising at least one positive electrode, at least one negative electrode, and an electrolyte including a gelling agent, wherein the at least one positive electrode includes a plurality of tube members each comprising a tube containing positive active material (PAM) and a conducting spine in contact with the positive active material, and wherein the at least one negative electrode comprises a conducting grid and a negative active material (NAM) in contact with the conducting grid, which negative active material comprises carbon nanomaterial.

STACKING APPARATUS FOR ALTERNATELY STACKING A CONTINUOUS RIBBON-LIKE SEPARATOR AND FOIL SHEETS AND METHOD FOR STACKING A CONTINUOUS RIBBON-LIKE SEPARATOR AND FOIL SHEETS

Resumen de: CN119998973A

A stacking apparatus (1), comprising: a stacking station (26) configured to receive a foil (100, 101); the first conveying device (10) is used for conveying the first foil sheet (100); and a second transport device (11) for transporting a second foil (101), the first transport device and the second transport device being alternately movable between a pick-up position and a release position; a feeding device (27) of the belt-shaped diaphragm (102), the feeding device facing the stacking station (26); a displacement device (29) fed by the feeding device (27) and comprising a follow-up device (30) which can be moved between the first end position (P1) and the second end position (P2) and above the stacking station (26) when the second conveyor device (11) is moved from the release position to the pick-up position, and which can be moved between the first end position (P1) and the second end position (P2) and above the stacking station (26) when the first conveyor device (10) is moved from the release position to the pick-up position. The follow-up device can be moved from the second end position (P2) to the first end position (P1) and over the stacking station (26). A displacement device (29) moves the follower device (30) along a curvilinear path (PC) between the first end position (P1) and the second end position (P2) and between the second end position (P2) and the first end position (P1).

STACKING APPARATUS FOR ALTERNATELY STACKING A CONTINUOUS RIBBON-LIKE SEPARATOR AND FOIL SHEETS AND METHOD FOR STACKING A CONTINUOUS RIBBON-LIKE SEPARATOR AND FOIL SHEETS

Resumen de: CN120092338A

A stacking apparatus (1), comprising: a stacking station (26) configured to receive a foil (100, 101); the first conveying device (10) is used for conveying the first foil sheet (100); and a second transport device (11) for transporting a second foil (101), the first transport device and the second transport device being alternately movable between a pick-up position and a release position; a feeding device (27) of the continuous strip-shaped membrane (102), the feeding device facing the stacking station (26); a displacement device (29) fed by the feeding device (27) and comprising a follow-up device (30) which can be moved between the first end position (P1) and the second end position (P2) and above the stacking station (26) when the second conveyor device (11) is moved from the release position to the pick-up position, and which can be moved between the first end position (P1) and the second end position (P2) and above the stacking station (26) when the first conveyor device (10) is moved from the release position to the pick-up position. The following device can move between the second end position (P2) and the first end position (P1) and above the stacking station (26). The accompanying device (30) comprises at least one accompanying surface (31) configured to contact the continuous ribbon diaphragm (102). The motorized member (34) acts on the accompanying device (30) to rotate the at least one accompanying surface (31) as the accompanying device (30) moves between the f

ELECTROLYTE SEPARATOR FOR A SOLID STATE BATTERY

Resumen de: WO2024074816A1

A solid electrolyte separator for an electrochemical storage device is described. The solid electrolyte separator comprises: an electrolyte comprising a lithium-ion conductive compound; and a binder comprising a copolymer, wherein the lithium-ion conductive compound comprises sulfur, and the copolymer has a repeating unit comprising a carboxylic acid group or a conjugate base thereof. Also described is a masterbatch product, a method of manufacturing the solid electrolyte separator and an electrochemical storage device.

HYBRID SOLID ELECTROLYTE WITH REDUCED POLYMER/CERAMIC INTERFACIAL STRENGTH

Resumen de: WO2024074572A1

The present application relates to ceramic/polymer hybrid solid electrolytes with improved interfacial strength, comprising a surface-dehydrated pre-treated ceramic.

METHOD FOR PRODUCING A MULTILAYER SOLID STATE ELECTROLYTE AND MULTILAYER SOLID STATE ELECTROLYTES

Resumen de: CN119998974A

Disclosed is a method for producing a multilayer solid electrolyte (SSE) comprising alternating dense and porous layers wherein the number of layers is at least 2, the method comprising: adding a first compound comprising one or more alkali and/or alkaline earth metals and a first binder to a first solvent, thereby obtaining a first mixture; adding a second compound comprising one or more alkali metals and/or alkaline earth metals, a second binder and a pore forming compound to a second solvent, thereby obtaining a second mixture; film casting the first mixture and the second mixture on a substrate until the number of layers is obtained, thereby obtaining a green (multilayer) structure; degreasing the green (multilayer) structure in an atmosphere comprising at least 20 vol% oxygen at a temperature between 250 DEG C and 800 DEG C, and sintering the green (multilayer) structure, thereby obtaining the multilayer SSE. The invention further discloses a multilayer SSE obtained by the method of the invention and a solid state battery comprising such SSE.

BATTERY UNIT FOR A VEHICLE

Resumen de: MX2025004085A

The present disclosure relates to a battery unit for a vehicle. The battery unit comprises a battery tray made of a composite material and defining an interior space configured to receive a battery comprising one or more battery cells. Further, the interior space is delimited by a bottom wall and one or more lateral walls. Additionally, the battery unit comprises a top cover configured to close the battery tray, wherein a cooling system for cooling the battery is integrated. The present disclosure further relates to battery systems and vehicles including one or more battery units.

ULTRAFAST HIGH-TEMPERATURE SINTERING METHOD

Resumen de: CN119998249A

The present invention relates to a method for producing a sintered inorganic substrate comprising disposing an inorganic substrate between first and second carbon-containing thermally conductive substrates, disposing the first and second thermally conductive substrates and the inorganic substrate between third and fourth thermally conductive substrates, heating the third and/or fourth thermally conductive substrate to a temperature between 750 DEG C and 1400 DEG C at a heating rate of at least 50 DEG C/s, thereby heating the first and/or second thermally conductive substrate, respectively, and sintering the inorganic substrate by heating the inorganic substrate with the heated first and/or second thermally conductive substrate at a temperature between 750 DEG C and 1400 DEG C, wherein the third and fourth thermally conductive substrates independently of each other comprise one or more single crystal metal oxides and/or single crystal metal nitrides.

BI-MATERIAL COOLING VALVES

Resumen de: US2024113354A1

A electric vehicle battery thermal regulation system configured to prioritize a flow of cooling fluid past at least one of a battery cell experiencing a thermal event, including a plurality of conduits through which a flow of thermal regulation fluid can flow, portions of the thermal regulation system positioned in close proximity to the at least one of a plurality of battery cells to provide cooling to said plurality of battery cells, wherein the thermal regulation system includes one or more bi-material valves configured to at least one of open or close in response to a change in temperature of the thermal regulation fluid, thereby rerouting a flow of the thermal regulation fluid through the plurality of conduits to prioritize cooling to one or more battery cells experiencing a thermal event.

Control of vehicle thermal management systems

Nº publicación: GB2637945A 13/08/2025

Solicitante:

JAGUAR LAND ROVER LTD [GB]
Jaguar Land Rover Limited

Resumen de: GB2637945A

A method 500 for controlling a thermal management system (100, fig. 1) of an electric vehicle (200, fig. 2) includes obtaining information indicating thermal energy transfer requirement for a plurality of components of the vehicle 502. For each of one or more operating modes suitable to remove or provide thermal energy to the thermal management system, it is determined whether the operating mode is a candidate and for each candidate operating mode 504. A recommended operating mode is selected from the candidate operating modes to be implemented in the thermal management system 506 and an output indicating the recommended operating mode is provided 508. A control system, computer readable instructions, a computer readable medium and a vehicle are also claimed.