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PROCESS UNIT FOR SECONDARY CELL BATTERY MANUFACTURE

Resumen de: EP4648147A1

A process unit (100) for secondary cell battery manufacture, comprising: a mounting plate (110) having a first horizontal rail (111) formed on an upper part; a vertical plate (120) vertically coupled to an upper part of one side of the mounting plate (110); a vertical moving guide plate (130) coupled to an inner side of the vertical plate (120) and having a vertical rail (131) formed on a front side; a second horizontal rail (140) formed across the vertical plate (120) at an inside lower part; a process block (150) connected to the first and second horizontal rails (111) and (140) and having a gas removal unit (151) formed on a front surface to remove gases in a secondary battery cell (10); a pivot hinge assembly (160) that is located on the upper side of the process block (150), is connected to the process block (150), and allows the process block (150) to move forward or backward as it moves upward or downward; and a first drive (170) coupled to the upper part of the pivot hinge assembly (160).

METHOD FOR DEEP DISCHARGING BATTERIES FOR A RECYCLING PROCESS AND DEVICE FOR DEEP DISCHARGING A BATTERY

Resumen de: EP4648175A1

Die Erfindung betrifft ein Verfahren zum Tiefenentladen einer Batterie (2) für einen Recyclingprozess, umfassend folgende Schritte:- Messen der Temperatur der Batterie (2),-Anschließen mindestens eines Verbrauchers (4) zur Entladung der Batterie (2) dadurch gekennzeichnet, dass- ein elektrisches Kühlelement (6) physisch zur Kühlung an die Batterie (2) angeordnet wird- ein Temperaturschwellwert (Ts) für die Temperatur (T) der Batterie (2) an einem Temperaturmesspunkt (8) der Batterie (4) festgelegt wird- und der Verbraucher (4) in Form des Kühlelementes (6) zugeschaltet wird,- wenn der Temperaturschwellwert (Ts) überschritten wird.

CHARGING METHOD AND ELECTRONIC DEVICE

Resumen de: EP4648251A1

Embodiments of this application are applicable to the field of charging technologies, and provide a charging method and an electronic device. A to-be-charged apparatus sends first information including remaining electric quantity information of the to-be-charged apparatus to a charging apparatus. The charging apparatus determines a target charging policy from a plurality of candidate charging policies based on the first information. The charging apparatus outputs electric energy to the to-be-charged apparatus according to the target charging policy. In this way, the charging apparatus may flexibly determine the target charging policy from the plurality of candidate charging policies according to the remaining electric quantity information of the to-be-charged apparatus, and then output the electric energy to the to-be-charged apparatus according to the target charging policy. To be specific, charging policies of the to-be-charged apparatus are richer, and charging flexibility of the to-be-charged apparatus is improved.

ROASTING FURNACE, SYSTEM FOR PREPARING LITHIUM BATTERY OXIDE PRECURSOR, AND LITHIUM BATTERY MATERIAL PRECURSOR AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: EP4647400A1

The present disclosure relates to the technical field of lithium batteries. Provided in the present disclosure are a roasting furnace, a system for preparing a lithium battery oxide precursor, and a lithium battery material precursor and a preparation method therefor and the use thereof. By means of atomization feeding at the bottom of the roasting furnace, after a reaction is conducted in the roasting furnace from bottom to top, a product is output from a particle outlet in the top via negative pressure at the top of the furnace. Since a gas carries the product out from the top of the furnace, the present disclosure, compared with a device that discharges materials from the bottom thereof, achieves long residence time at a pyrolysis temperature, which is beneficial for improving the crystallinity of the product, and the particles are output from the top of the furnace along with the gas, such that the blockage of an atomizer due to the flowing of the particles can be prevented, and the operation stability of the device is improved. In addition, the roasting furnace provided by the present disclosure can further adjust the residence time by adjusting and controlling the negative pressure; and compared with traditional feeding and discharging modes, the temperature of a lower area in the roasting furnace is easier to control, and accurate temperature control, energy conservation and consumption reduction are facilitated.

BATTERY MODULE AND METHOD FOR CONTROLLING BATTERY MODULE

Resumen de: EP4648192A1

The battery module according to an embodiment of the present invention may comprise: a housing; a plurality of secondary batteries contained in the housing; a fluid provided so that the plurality of secondary batteries are immersed in the housing; and a pressurizing unit provided to pressurize the fluid.

FLUORINATED SALT AS COMPONENT OF ELECTROLYTES FOR IMPROVING PERFORMANCE OF CELLS AND BATTERIES

Resumen de: EP4648133A1

The present invention relates to an electrochemical cell comprising:a) an electrolyte comprising a salt of formula (I):wherein:M is a metal cation or an organic cation; andthe subscript "m" is a positive integer number that refers to the number of anions needed to neutralize the charge of the cation M;wherein the electrolyte is liquid, gel or solid, and further characterized in that the electrolyte does not comprise a fluorinated ether when the electrolyte is liquid or gel;andb) a metal anode.The invention also relates to an electrochemical battery comprising said electrochemical cell and uses thereof.

COMPOSITE SOLID ELECTROLYTE

Resumen de: EP4648138A1

The present invention relates to a composite solid electrolyte mixture comprising a the lithium garnet-type structure material and LiBSCl, wherein LiBSCl comprises Li₃BO₃, Li₂SO₄ and LiCl. The invention further relates to a composite solid electrolyte obtained from the mixture, a solid state battery comprising the composite solid electrolyte, and to methods of producing the composite solid electrolyte and the solid state battery.

GLASS CERAMIC SOLID ELECTROLYTE

Resumen de: EP4647407A1

The present invention relates to a glass ceramic solid electrolyte mixture comprising glass ceramic solid electrolyte comprising a ternary glass ceramic of borate, Li₂SO₄ and a lithium halide. The invention further relates to a glass ceramic solid electrolyte obtained from the mixture, a solid state battery comprising the glass ceramic solid electrolyte, and to methods of producing the glass ceramic solid electrolyte and the solid state battery.

BATTERY SYSTEM WITH DEFORMABLE END PLATE

Resumen de: EP4648189A1

The present disclosure refers to a battery system (100) including a plurality of battery cells (12) arranged along a stacking axis (X) to form a cell stack (10), a cell stack frame (20) accommodating the cell stack (10), and an end plate (30, 30') disposed at an end of cell stack frame (20), the end plate (30, 30') including a plate element (32) in contact with the cell stack (10) and deformation structures (34, 34') extending from the plate element (32) at opposite sides thereof parallel to the stacking axis (X), each deformation structure (34, 34') including a first compression portion (36) and a first extension portion (37) that are connected in series and are arranged overlapping each other in a direction perpendicular to the stacking axis (X), wherein the end plate (30, 30'), in an assembly position, is supported by the cell stack frame (20) such that, while the first compression portion (36) is compressed and the first extension portion (37) is extended, the plate element (32) exerts a pressure onto the cell stack (10).

EXPLOSION-PROOF VENTING VALVE DEVICE

Resumen de: US2025286205A1

An explosion-proof venting valve for a battery pack includes a protective cover, a cover seat engaged with the protective cover, and a membrane being water-impermeable and gas-permeable, the membrane being disposed under the protective cover. The explosion-proof venting valve further includes a valve body configured to be connected with a housing of the battery pack, a self-locking mechanism disposed on the cover seat, the protective cover, the cover seat, the membrane and the self-locking mechanism forming a cover assembly defining a venting passage, and a filter element housed in the valve body, the filter element and the valve body defining a valve passage.

EXPLOSION-PROOF VENTING VALVE WITH LOCKING STRUCTURE

Resumen de: WO2025189306A1

An explosion-proof venting valve (100) for a battery pack includes a protective cover (1) including at least one first venting hole (11), acover seat (3) removably engaged with the protective cover (1), the cover seat (3) including a locking hole (34) extending radially relative to a longitudinal axis (30) of the explosion-proof venting valve (100), amembrane (2) that is water-impermeable and is gas-permeable, the membrane (2) being interposed between the cover seat (3) and the protective cover (1), and a valve body (5) including a hollow main body portion (52), ahollow cylindrical central portion (57), aplurality of ribs extending radially between the main body portion (52) and the central portion (57), and a plurality of relief holes (51) interposed between the plurality of ribs, the main body portion (52) and the central portion (57).

BATTERY MANAGEMENT DEVICE AND SERVER, AND BATTERY SYSTEM COMPRISING SAME

Resumen de: EP4647789A1

A battery management apparatus according to an embodiment disclosed herein includes a data management unit configured to manage resistance data related to a bus bar of each of a plurality of battery banks included in a battery module and a controller configured to measure a voltage of each of the plurality of battery banks and calculate a corrected voltage of each of the plurality of battery banks by reflecting the resistance data related to the bus bar of each of the plurality of battery banks to a voltage of each of the plurality of battery banks.

GATE DRIVE CHARGE PUMP CIRCUIT FOR DYNAMIC BIAS CONTROL

Resumen de: CN120359705A

In an example, a system (400) includes a charge pump (142A). The system (400) includes a transistor (108A) coupled to a power supply terminal (134), the transistor (108A) gate coupled to a charge pump (142A) output. The system (400) includes current sense circuitry having a power input, a load input, and a sense output (410), where the power input is coupled to the power terminal (134), the current sense circuitry configured to provide a sense signal at the sense output (410), and the sense signal being representative of a polarity and magnitude of current at the load input. The system (400) includes a controller (148) having a sensing input (412) coupled to the sensing output (410) and a control output (414) coupled to a control input, where the controller (148) is configured to provide a control signal at the control output (414) in response to the sensing signal, and the charge pump (142A) is configured to adjust a voltage at an output of the charge pump (142A) in response to the control signal.

DOPED MANGANESE-RICH CATHODE ACTIVE MATERIALS AND METHODS THEREOF

Resumen de: CN120500462A

Doped manganese-rich cathode active materials and methods of making the same are described. Doping the manganese-rich cathode active material results in improved performance of the energy storage device, including, but not limited to, improved cycle life and capacity retention.

ELECTRODE PROCESSING APPARATUS

Resumen de: EP4648115A1

The present disclosure relates to an electrode processing device, and provides an electrode processing device including an electrode cutting unit including a first cutter that cuts an electrode; and a deburring unit including a second cutter that cuts a burr protruding from the cut electrode cutting surface in the cutting direction of the first cutter.

NONAQUEOUS ELECTROLYTE, NONAQUEOUS ELECTROLYTE BATTERY, AND COMPOUND

Resumen de: EP4648166A1

A nonaqueous electrolyte solution capable of exhibiting an excellent initial input-output characteristic when used for a nonaqueous electrolyte solution battery, a nonaqueous electrolyte solution battery capable of exhibiting an excellent initial input-output characteristic, and a compound suitably used for the nonaqueous electrolyte solution are provided. A nonaqueous electrolyte solution containing (I) at least one compound selected from the group consisting of a compound represented by the general formula (1), a compound represented by the general formula (2), a compound represented by the general formula (3), and a compound represented by the general formula (4) described in the specification, (II) a solute, and (III) a nonaqueous organic solvent, a nonaqueous electrolyte solution battery containing the nonaqueous electrolyte solution, and the compound represented by any of the general formulae (1) to (4) described in the specification.

NONAQUEOUS ELECTROLYTE SOLUTION, NONAQUEOUS ELECTROLYTE BATTERY, AND COMPOUND

Resumen de: EP4648165A1

The present disclosure provides a nonaqueous electrolyte solution containing at least one selected from the group consisting of a compound represented by the following general formula (1) and a compound represented by the following general formula (2):and a nonaqueous electrolyte solution battery including at least a positive electrode, a negative electrode, a separator, and the nonaqueous electrolyte solution. In the general formula (1), R₁ to R₃ represent groups which may be the same or different and at least one of R₁ to R₃ represents a -SO₂F group. In the general formula (2), R₄ to R₆ represent groups which may be the same or different and at least one of R₄ to R₆ represents a -SO₂F group.

APPARATUS FOR COATING A SHEET-LIKE CARRIER MATERIAL WITH A COATING MATERIAL

Resumen de: WO2024146673A1

The invention relates to an apparatus for coating a sheet-like carrier material (1) with a conductive or ceramic slurry (3), the apparatus having a continuously rotating microgravure roll (2) which is designed to transfer the conductive or ceramic slurry over the circumference (21) of the microgravure roll onto the sheet-like carrier material transported in a feed direction (11). According to the invention, the apparatus has a pressure chamber doctor blade (4) which is designed to transfer the conductive or ceramic slurry under positive pressure onto the circumference of the microgravure roll. The invention also relates to an assembly for producing a separator film.

LITHIUM HYDROXIDE-BASED POWDER FOR USE IN PREPARING A LITHIUM COMPOSITE OXIDE, COMPOSITION COMPRISING THE SAME AND A TRANSITION-METAL HYDROXIDE OR OXYHYDROXIDE, AND METHOD OF MANUFACTURING THE SAME

Resumen de: WO2024146901A1

The present invention relates to a lithium hydroxide-based powder for use in preparing a lithium composite oxide, wherein the lithium hydroxide-based powder has a span of at most 5.0, the span being defined as (D90-D10)/D50, and D10, D50, and D90 being defined as particle sizes at 10%, 50%, and 90% of cumulative volume% distribution when measured by laser scattering method, respectively.

A METHOD OF THERMAL MANAGEMENT OF A BATTERY

Resumen de: CN120435786A

A thermal management method of a battery wherein the battery comprises at least one cell, and wherein a heating device is configured to heat the battery in response to a heating instruction. The method comprises the following steps: determining the charge state of the battery cell and the battery cell current of the battery cell; a first value of a first parameter of the heating device; a reference cell temperature of the cell; the maximum battery cell temperature and the minimum battery cell temperature of the battery cell are obtained. Under the condition that the maximum battery cell temperature is lower than a first threshold temperature; the minimum cell temperature of the cell is lower than a second threshold temperature; the charge state of the battery cell is higher than a charge state threshold value; the method also includes instructing a heating device to heat the electrical core.

POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4648125A1

A positive electrode sheet, a secondary battery, and an electric device. The positive electrode sheet comprises a current collector and a positive electrode film layer located on at least one side of the current collector; the positive electrode film layer comprises a first area and a second area; the particle size distribution index of an active material in the first area is smaller than the particle size distribution index of an active material in the second area, wherein the particle size distribution index is the ratio of the standard deviation of the particle size of an active material to the average particle size thereof, the first area is an area where the positive electrode film layer extends vertically from the surface on the side close to the current collector to the positive electrode film layer within a distance h1, the second area is an area where the positive electrode film layer extends vertically from the surface on the side close to the current collector to the positive electrode film layer with a distance from h1 to H, and H is the thickness of the positive electrode film layer, and h 1 is less than H.

LEADED SLAG CLEANING AND RECOVERY OF USEFUL METALS AND REUSE OF SLAG

Resumen de: MX2025008919A

A system and method for recovering heavy metals from nonhazardous scrap lead acid battery slag using pyrometallurgical and hydrometallurgical process to clean slag for commercial use as an environmentally friendly substitute solid filler in product. Process recovers previously nonhazardous landfilled lead and tin for value economically for the business unit and repurposes the businesses major solid waste stream. Methods iteratively remove tin, lead, antimony, arsenic from slag to be used in commercial materials as well as concentrate lead and tin in a fume to recover lead for recycled production and produce commercial grade tin.

SEPARATOR FOR LEAD STORAGE BATTERIES, AND LEAD STORAGE BATTERY USING SAME

Resumen de: EP4648206A1

Provided is a separator for batteries in which an electrolytic solution contains water. The separator: is characterized by comprising a substrate and a layer laminated on at least one surface of the substrate; and is characterized in that the layer contains inorganic particles, and when Y (ml/100 g) represents the DOA oil absorption of the inorganic particles and X (µm) represents the median diameter of the inorganic particles, Y≤2.5X+200 is satisfied.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4648186A1

A battery cell (20), a battery (1100), and an electrical apparatus are disclosed in the present application. The battery cell (20) includes a shell (100) and an end cover (200), where the shell (100) has an opening; the end cover (200) is welded at the opening to form a welding structure (300), the welding structure (300) includes a plurality of first welding seams (310), the first welding seams (310) are arranged corresponding to edge portions (210) of the end cover (200), the plurality of first welding seams (310) are connected to form a closed annular structure to be arranged surrounding the end cover (200); where two adjacent first welding seams (310) are connected at a corresponding corner (220) of the end cover (200) in a laminated manner. The welding structure (300) of the battery cell (20) at the corner (220) of the end cover (200) has a good strength, the welding structure (300) between the shell (100) and the end cover (200) has a good strength, the welding quality is high, and the structural reliability of the battery cell (20) is good.

ASSEMBLY COMPRISING A HEAT EXCHANGER

Nº publicación: EP4646756A1 12/11/2025

Solicitante:

VALEO SYSTEMES THERMIQUES [FR]
VALEO SYSTEMES THERMIQUES

Resumen de: CN120419018A

The invention relates to an assembly (1), in particular for a vehicle, comprising:-a first sub-assembly (100) configured for the circulation of a first heat transfer fluid, in particular water-based, comprising a fluid-functional component dedicated for the circulation of the first heat transfer fluid,-a second sub-assembly (100) configured for the circulation of a second heat transfer fluid, in particular water-based, a valve or pump (48); -a second sub-assembly (200) configured for the circulation of a second heat transfer fluid, in particular a dielectric fluid, comprising a fluid-functional component, in particular a valve or a pump, dedicated to the circulation of the second heat transfer fluid, the second sub-assembly being attached to the first sub-assembly; -a fluid junction (300) between the first sub-assembly and the second sub-assembly, the fluid junction being configured to allow the first heat transfer fluid to flow from the first sub-assembly (100) to the second sub-assembly (200), the first sub-assembly is configured to permit heat exchange between the first heat transfer fluid and the second heat transfer fluid in a heat exchanger belonging to the second sub-assembly.