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BINDER FOR DRY PROCESS ELECTRODE PREPARATION

Resumen de: EP4576266A1

0001 The present invention relates to a dry composition comprising at least one active material, at least one binder, optionally at least one conductive agent, characterized in that said at least one binder comprises a fluoropolymer and a polyamide thermoplastic polymer.

SMELTING OF PYROLYZED BATTERY

Resumen de: EP4575017A1

The present patent application relates to a method of recovering valuable metals from waste batteries comprising- a pyrolysis step comprising pyrolysis of the waste batteries at a temperature of from about 700°C to about 1300°C, thus obtaining pyrolyzed batteries;- a size reduction step, comprising size reduction of the pyrolyzed batteries;- a smelting step, comprising smelting the pyrolyzed, size reduced waste batteries at temperatures of 1350°C or higher under oxidizing conditions. The method shows improved control of the smelting step and the temperature, reduces the amount of slag generated as well as the release of explosive gas.

COMPOSITE POROUS MEMBRANE, PREPARATION METHOD THEREFOR, BATTERY AND ELECTRICAL DEVICE

Resumen de: EP4832220A1

0001 Disclosed in the present application are a composite porous membrane, a preparation method therefor, a battery and an electrical device. The composite porous membrane comprises an organic polymer substrate and an inorganic electrolyte, the inorganic electrolyte being dispersed in the organic polymer substrate. A plurality of holes of different diameters are formed in the composite porous membrane, the ionic conductivity of the composite porous membrane being 1×10<-4> S/cm - 5×10<-4> S/cm. Thus, the organic polymer substrate, the inorganic electrolyte and the holes in the composite porous membrane can all transport active metal ions, which increases transport paths of the active metal ions, thereby increasing the transport rate of the active metal ions and accordingly improving the power performance of batteries.

THERMAL MANAGEMENT COMPONENT, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4832159A1

0001 The present application discloses a thermal management component, a battery, and an electric device. The thermal management component comprises a heat exchange tube and a first current collector; the heat exchange tube has a first end; a first flow channel used for accommodating a heat exchange medium is formed in the first current collector; the first flow channel has a first inner surface and a second inner surface which are oppositely arranged in a first direction; the first end is inserted into the first flow channel, and the first end is attached to at least one of the first inner surface and the second inner surface. Therefore, the size of the thermal management component in the first direction can be optimized, thereby reducing the space occupied by the thermal management component in the first direction, improving the energy density of a battery using the thermal management component.

SOC CORRECTION

Resumen de: WO2025131911A1

The invention relates to a battery system (1) comprising: a plurality of battery modules (2), which each have sensors (3) for the sensor-based recording of measurement series of physical quantities of battery cells (5) located in the battery modules (2) and have a battery management system, BMS (4); and an energy management system, EMS (7), which is assigned to the plurality of battery modules (2) and is configured to obtain charge states, SOCs, of each battery module (2-1, 2-n) of the plurality of battery modules (2), which charge states are estimated by the particular BMS (4) and are based on the measurement series, and to operate the plurality of battery modules (2) depending on the estimated SOCs, wherein the battery system (1) is configured to adapt control of the plurality of battery modules (2) using the EMS (7) on the basis of corrected SOCs.

LITHIUM-MANGANESE-BASED OXIDE AS A CATHODE ACTIVE MATERIAL FOR LITHIUM-ION RECHARGEABLE BATTERIES

Resumen de: WO2025132361A1

A cathode active material for rechargeable batteries comprising lithium, M1, and oxygen, wherein M1 comprises: - Ni in a content x1, wherein 0.0 < x1 < 45.0 at%, relative to M1; - Mn in a content y1, wherein 50.0 < y1 < 98.0 at%, relative to M1; - Co in a content z1, wherein 0.0 < z1< 15.0 at%, relative to M1; - Na in a content w1, wherein 0.0 < w1 < 2.0 at%, relative to M1; - S in a content molar ratio ql, wherein 0.0 < q1 < 5.0 at%, relative to M1; - D1 in a content molar ratio dl, wherein 0.0 < d2 < 2.0 at%, relative to M1, wherein D1 is an element different from Li, Ni, Mn, Co, Na, S and O; wherein the content of Ni, Mn, Co, Na, S and D1 is measured by ICP-OES, and x1+y1+z1+w1+q1+d1 is 100.0 at%, and wherein the cathode active material has a BET value of at least 1.0 m2/g.

MIXED METAL HYDROXIDES BATTERY MATERIAL PRECURSOR FROM BATTERY RECYCLING FEEDS

Resumen de: WO2025132849A1

The present disclosure relates to a continuous process and a production plant for producing a mixed metal hydroxide battery material precursor from battery recycling feeds comprising nickel, cobalt, manganese, and lithium cations.

SEPARATOR RUNNING APPARATUS

Resumen de: EP4831101A1

The present invention provides a separator running apparatus including: a sheet roll of wound sheet of a separator having a first surface with a protective film made of synthetic resin material attached thereto; a separation roll separating continuously running sheet unwound from the sheet roll into the separator and the protective film; a recovery roll winding and recovering the protective film separated from the sheet passed the separation roll; and a nip roll supplying, to a stack table, the separator separated from the sheet passed through the separation roll, wherein a separation angle between the separator and the protective film is equal to or greater than 45 degrees.

HOUSING STRUCTURE OF POWER DISTRIBUTION UNIT, POWER DISTRIBUTION UNIT, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4832264A1

Disclosed in the present application are a housing structure (100) of a power distribution unit, a power distribution unit (200), a battery (300), and an electrical device (400). The housing structure (100) of the power distribution unit comprises: an insulating housing (110), in which an inner cavity for mounting an electrical component is formed, the insulating housing (110) being provided with a mounting side wall (111); a connector (120), which is mounted on the outer side of the mounting side wall (111) facing away from the inner cavity, the connector (120) being provided with a connection terminal (121) and a shielding layer (122), the shielding layer (122) surrounding the connection terminal (121), and the connection terminal (121) extending into the inner cavity and being electrically connected to the electrical component; a metal plate (130), which is mounted on the outer side of the mounting side wall (111) facing away from the inner cavity, the metal plate (130) being located between the connector (120) and the mounting side wall (111), the metal plate (130) being provided with a mounting through hole (131), the connection terminal (121) passing through the mounting through hole (131), and the shielding layer (122) being electrically connected to the metal plate (130); and a grounding portion (140), a first end (141) of the grounding portion being electrically connected to the metal plate (130), and a second end (142) of the grounding portion being grounded. The pr

BATTERY, ELECTRIC DEVICE, AND ENERGY STORAGE DEVICE

Resumen de: EP4832188A1

0001 A battery, an electric device, and an energy storage device. The battery comprises: at least one battery cell (10), wherein each battery cell (10) has a pole (101) on a first surface (103) on one side in a first direction (X); an accommodating case (11), wherein an accommodating cavity is provided in the accommodating case (11), and each battery cell (10) is accommodated in the accommodating cavity; and a heat exchange assembly (14) provided on the first surface (103) of the battery cell (10) and used for exchanging heat with each battery cell (10), wherein the projection of the pole (101) along the first direction (X) within the first surface (103) does not overlap the projection of the heat exchange assembly (14) along the first direction (X) within the first surface (103).

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4831521A1

A battery (100) and an electric device are provided. The battery (100) includes a mounting portion (1) and a flange structure (2). The mounting portion (1) is provided with a mounting hole. The flange structure (2) includes a first connecting portion (21a), a first sealing member (22), and a second sealing member (23). The first connecting portion (21a) is movably disposed in the mounting hole. The first sealing member (22) is sleeved on a periphery of the first connecting portion (21a), and the first sealing member (22) is connected to the mounting portion (1). The second sealing member (23) is sleeved on the periphery of the first connecting portion (21a), and the second sealing member (23) cooperates with the first sealing member (22) to enhance a sealing effect between the first sealing member (22) and the first connecting portion (21a). The electric device includes the battery (100).

SYSTEMS AND METHODS FOR DISPROPORTIONATION OF SILICON OXIDE FOR ANODE MATERIALS

Resumen de: WO2025136733A1

The present disclosure is directed to systems and methods of producing disproportionated silicon oxide composite particles. The disproportionated silicon monooxide composite particles can be produced by mixing an alkali metal salt and/or an alkaline earth metal salt, a carbon precursor, a liquid medium, and silicon monooxide particles to form a precursor suspension. The precursor suspension can be heated to form a powder that includes disproportionated silicon monooxide particles having a coating comprising alkali metal and/or alkaline earth metal, wherein the disproportionation of the silicon monoxide is at least 30%.

RECOVERY OF VALUE METAL SALTS FROM AQUEOUS SOLUTIONS

Resumen de: WO2025132850A1

The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.

ELECTRICITY STORAGE DEVICE AND VEHICLE

Resumen de: EP4830959A1

0001 A power storage device includes an accommodation casing (30), a power storage stack (42) accommodated in the accommodation casing (30), electrical equipment (40) accommodated in the accommodation casing (30), and a coupling member (32) provided in the accommodation casing (30). With a direction from the power storage stack (42) toward the electrical equipment (40) being defined as a first direction (L1) and with a direction opposite to the first direction (L1) being defined as a second direction (L2), the coupling member (32) includes a first connection portion (36) connected to a first portion and a second connection portion (35) located at a side of the first direction (L1) relative to the first connection portion (36), located above the first connection portion (36), and connected to a vehicle.

CONTINUOUS PROCESS AND PRODUCTION PLANT FOR RECOVERING METALS FROM ACIDIC AQUEOUS SOLUTIONS

Resumen de: WO2025132851A1

The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.

BATTERY HOUSING WITH HEAT INSULATION PROPERTIES

Resumen de: WO2025132340A1

The present invention relates to a battery housing comprising an structural layer and an inner layer wherein the inner layer comprises a polyurethane coating, the polyurethane coating is obtainable by mixing (a) one or more organic polyisocyanates, (b) one or more compounds having at least two isocyanate-reactive hydrogen atoms, comprising polyetherpolyol (b1), (c) one or more catalysts, (d) 30 to 90 wt.-% based on the total weight of components a) to e), of solid flame retardant, and optionally fillers and/or polyurethane additives, to give a reaction mixture and allow the reaction mixture to cure. The present invention further relates to a method for the production of a battery housing according to the invention and a battery comprising a battery housing according to the present invention.

CONTINUOUS PROCESS AND PRODUCTION PLANT FOR PREPARING ACIDIC AQUEOUS METAL SOLUTIONS

Resumen de: WO2025132786A1

The present disclosure relates to a continuous process and a production plant for preparing an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.

CHARGER FOR A VEHICLE AND METHOD FOR OPERATING THE CHARGER

Resumen de: WO2025131417A1

A charger (100) for a vehicle, wherein at least one first charging circuit (140) and one second charging circuit (150) are connected between an input connection unit (110) and an output connection unit (120), wherein the second charging circuit (150) is connected at the input end to a switching element (160) which is designed to connect the second phase (L2) to the second charging circuit (150) via the input connection unit (110) in a first switch position and to connect a further phase (LW) of a V2L socket (170) to the second charging circuit (150) in a second switch position.

POWER DISTRIBUTION APPARATUS, BATTERY APPARATUS AND ELECTRICAL APPARATUS

Resumen de: EP4832271A1

0001 Provided in the present application are a power distribution apparatus (400), a battery apparatus (100) and an electrical apparatus. In a first direction (H), a first housing (410), a second housing (420) and a third housing (430) of the power distribution apparatus (400) are sequentially stacked; a first connection portion (451) of an electrical connector (450) is connected to a first end (421) of the second housing (420) and is at least partially exposed through a first opening portion (411), and a second connection portion (452) of the electrical connector (450) is connected to a second end (422) of the second housing (420) and is at least partially exposed through a third opening portion (431). The power distribution apparatus (400) of the embodiments of the present application uses the first housing (410) and the third housing (430) to cover and protect an electrical device (440) and the electrical connector (450), so as to improve the reliability of the power distribution apparatus (400).

THERMAL MANAGEMENT DEVICE, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4832162A1

The present application relates to a thermal management device, a battery, and an electric device. The thermal management device comprises a heat exchange unit, and the heat exchange unit comprises: a heat exchange tube section, the heat exchange tube section being provided with an inlet end, an outlet end, and a heat exchange channel communicated with the inlet end and the outlet end; and collecting tube sections, the inlet end and the outlet end both being connected to the collecting tube sections, wherein the tube width of at least one collecting tube section is less than that of the heat exchange tube section. According to the thermal management device provided in the present application, the risk of thermal runaway of the battery can be reduced, and a space layout requirement of the thermal management device can be met.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4832223A1

A separator according to the present disclosure not only has excellent adhesion to an electrode but also ensures sufficient porosity, thereby exhibiting excellent resistance and ion conductivity properties. In addition, the time taken for a lamination process may be reduced during electrode assembly manufacture, thereby achieving high process efficiency in battery manufacture.

POSITIVE ELECTRODE ACTIVE MATERIAL POWDER AND METHOD FOR MANUFACTURING A POSITIVE ELECTRODE ACTIVE MATERIAL POWDER

Resumen de: WO2025132335A1

The present invention is related to a positive electrode active material powder for lithium-ion rechargeable batteries, wherein the positive electrode active material powder comprises particles, wherein each of the particles consists of at least one primary particle and at most twenty primary particles, wherein the positive electrode active material powder essentially comprises Li, Ni, Mn, Al, and O, and wherein Al is introduced by (i) adding a material formed by heating a mixture comprising a Li source and a transition metal composite precursor essentially comprising Ni and Mn to an aqueous solution comprising a Al-containing compound and (ii) milling the material. Due to the aforementioned introduction of Al, the positive electrode active material powder may have a ratio of Ni3+ to Ni2+ as measured by XPS being at least 1.45.

SEPARATOR FOR ELECTROCHEMICAL ELEMENTS, AND ELECTROCHEMICAL ELEMENT

Resumen de: EP4832032A1

Provided is a separator for electrochemical elements, which has superior electrolyte impregnation properties compared to prior ones while maintaining characteristics such as low resistance, short circuit resistance and acid resistance. The separator for electrochemical elements is interposed between a pair of electrodes, and can hold an electrolyte solution that contains an electrolyte. The separator is configured as a single-layer separator that is composed of a beaten solvent-spun cellulose fiber and a synthetic fiber. The separator has a thickness of 10 to 70 µm, a density of 0.25 to 0.70 g/cm³, and a Bekk smoothness of 20 to 400 seconds on both surfaces.

MATERIALS AND METHODS FOR IMPROVING AVERSIVE-AGENT COATING CONDUCTIVITY

Resumen de: WO2025136445A1

Provided are electrochemical cells with at least a portion of the exterior surface coated in a conductive aversive coating to deter children from eating the electrochemical cell. Described are compositions and methods for preparing electrochemical cells with aversive coatings capable of conducting electricity through the coating.

METHOD FOR OPENING AND DISCHARGING AN ELECTROCHEMICAL CELL OF AN ION INSERTION-DEINSERTION BATTERY AND METHOD FOR RECYCLING AN ION INSERTION-DEINSERTION BATTERY

Nº publicación: EP4830045A1 28/10/2026

Solicitante:

COMMISSARIAT ENERGIE ATOMIQUE [FR]
ORANO [FR]
Commissariat \u00E0 l'Energie Atomique et aux Energies Alternatives
Orano

Resumen de: WO2025132920A1

The invention relates to a method for opening and discharging an electrochemical cell of an ion insertion-deinsertion battery, comprising a casing in which a negative electrode, a positive electrode, a separator and an electrolyte are accommodated, wherein the method comprises the following operations: opening the electrochemical cell at one or more regions of the casing, wherein at least the one or more opening regions are brought into contact with a liquid L1, then discharging the electrochemical cell by bringing the cell into contact with a liquid L2, and wherein the method is characterised in that: - the liquid L1 comprises an alcohol-based solvent and optionally a redox mediator, while the liquid L2 comprises an alcohol-based solvent together with a redox mediator; and - the liquids L1 and L2 are free of chlorine. The invention also relates to a method for recycling an ion insertion-deinsertion battery implementing this opening and discharging method. The method is intended for use in the recycling of lithium-ion, sodium-ion, potassium-ion, calcium-ion or magnesium-ion batteries.