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DIMENSION DETECTION DEVICE AND DIMENSION DETECTION METHOD

Resumen de: US2025278849A1

A dimension detection device includes: a frame, a detection area being disposed on the frame; two first dimension detection apparatuses disposed on the frame, the two first dimension detection apparatuses being positioned on two opposite sides of the detection area; and two second dimension detection apparatuses disposed on the frame, the two second dimension detection apparatuses being positioned on other two opposite sides of the detection area. The first dimension detection apparatus includes a first motion apparatus and a first image acquisition assembly, and the first motion apparatus is capable of driving the first image acquisition assembly to move. The second dimension detection apparatus includes a second motion apparatus and a second image acquisition assembly, and the second motion apparatus is capable of driving the second image acquisition assembly to move.

PROCESS FOR THE RECOVERY OF LITHIUM

Resumen de: AU2024277834A1

The present invention relates to a process for the concentration of lithium in metallurgical fumes wherein a metallurgical charge is smelted, thus obtaining a molten bath comprising a slag phase and optionally an alloy phase and fuming the lithium from the molten slag, by addition of a halogen intermediate, wherein said halogen intermediate is a gaseous halogen or gaseous halogen compound.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

Resumen de: US2025279503A1

A battery module including: a battery cell stack in which a plurality of battery cells including electrode leads protruding in mutually opposite directions are stacked; a housing that houses the battery cell stack; a first heat sink and a second heat sink that are located under the bottom part of the housing, and first and second refrigerant flow paths formed between the first heat sink and the bottom part of the housing and between the second heat sink and the bottom part of the housing, respectively. The refrigerant flow path formed by the first heat sink and the refrigerant flow path formed by the second heat sink are separated from each other.

MANUFACTURING METHOD FOR ELECTRICAL ENERGY STORAGE DEVICE

Resumen de: US2025279509A1

A manufacturing method for an electrical energy storage device disclosed herein includes: a preparing step of preparing a plate material that is made of metal and includes a first part forming a first surface of a case, and a pair of second parts extending from the first part and forming a pair of second surfaces of the case; and a wrapping step of disposing an electrode body on the first part of the plate material and bending the plate material so that a distance between the pair of second parts decreases, thereby wrapping the electrode body.

DEAERATION OF TRACTION BATTERY THERMAL MANAGEMENT COOLANT CIRCUITS

Resumen de: US2025279491A1

Thermal management systems are provided for managing the thermal energy levels of a traction battery pack of an electrified vehicle. An exemplary thermal management system may include a gas separator and a reservoir. The gas separator may remove entrained gases (air, vent byproducts, etc.) from a coolant circulated through the system during both normal operating conditions and during battery thermal events that require increased coolant volume and flow rates for mitigating convective heat transfer. The removed gases can be expelled to atmosphere from within the reservoir. A pump for circulating the coolant through the system may be controlled based on a temperature of the coolant exiting the traction battery pack as part of a deaeration control strategy.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025279510A1

A battery cell is disclosed, including a housing, electrode terminals, and a protective member. The housing includes a wall portion and a fastener, where the fastener comprises a connecting portion and a pressing portion that together define a cavity. At least part of the electrode terminals is positioned within the cavity. The protective member includes a first protective portion covering the connecting portion and a second protective portion covering the pressing portion. The second protective portion extends beyond the pressing portion in a first direction. The structure reduces the likelihood of short circuits by shielding the pressing portion, thereby enhancing battery cell reliability.

BINDER FOR DRY-COATED ELECTRODE

Resumen de: US2025279433A1

The present invention relates to a non-fibrillizable binder for a dry-coated electrode, said binder consisting of a fluoropolymer having a melting point between 145° C. and 200° C. measured according to ASTM D3418 and a melt viscosity below 50 kP measured at 230° C. and at a shear rate of 100 s-1 measured according to ASTM D3835. More specifically. the invention relates to a dry-coated electrode for Li-ion battery. The invention also concerns the lithium-ion batteries manufactured by incorporating said electrode.

BATTERY PACK

Resumen de: US2025279506A1

A battery pack includes a housing and battery modules in the housing. Each of the battery modules includes battery cells, a case accommodating the battery cells, a first fire prevention sheet on the case, and a first spacer on the case and configured to separate the first fire prevention sheet from an upper surface of the case.

Improved battery swapping system for electric automobiles and freight vehicles

Resumen de: AU2025200710A1

The present invention provides an improved battery swapping system for electric automobiles and freight vehicles which uses annular cylindrical battery packs instead of a flat-pack or other rectangular shape and uses interlocking battery modules which can be manually assembled and exchanged above ground using varying degrees of mechanical and robotic assistance. The structure offers considerable fire safety improvements including refractory insulation of the battery container and the elimination of the present fire risk on ship transports and the use of air cooling for the battery pack. The battery module segments can utilise varying battery cell types. The present invention provides an improved battery swapping system for electric automobiles and freight vehicles which uses annular cylindrical battery packs instead of a flat-pack or other rectangular shape and uses interlocking battery modules which can be manually assembled and exchanged above ground using varying degrees of mechanical and robotic assistance. The structure offers considerable fire safety improvements including refractory insulation of the battery container and the elimination of the present fire risk on ship transports and the use of air cooling for the battery pack. The battery module segments can utilise varying battery cell types. eb h e p r e s e n t i n v e n t i o n p r o v i d e s a n i m p r o v e d b a t t e r y s w a p p i n g s y s t e m f o r e l e c t r i c a u t o m o b i l e s a n d e b f r e

BATTERY STATE DIAGNOSIS METHOD, BATTERY DIAGNOSIS DEVICE, AND BATTERY DIAGNOSIS SYSTEM

Resumen de: JP2024173205A

To provide a battery status diagnosis method capable of performing highly accurate diagnosis of battery capacity deterioration when diagnosing a battery system that has little voltage change due to changes in the charging state, such as a battery system that uses a LiFePO4-based active material in the positive electrode, and a battery condition diagnostic device.SOLUTION: The battery status diagnosis method is a method for diagnosing the deterioration state of secondary batteries installed in a device includes: a data acquisition step of acquiring voltage data, current data, and temperature data of the secondary battery from a device in operation; a table creation step of creating a table of the capacity deterioration rate and the resistance deterioration rate of the secondary battery based on the acquired data; and a diagnostic step of diagnosing the deterioration state of the secondary battery using the created table.SELECTED DRAWING: Figure 1

LITHIUM RECOVERY FROM SLAGS

Resumen de: AU2024240175A1

Li-bearing slags are typically produced when Li-batteries or their waste are recycled on a smelter. The Li recovery process comprises the steps of: - powdering the metallurgical slag to a particle size distribution having a D50 of less than 100 µm; - contacting, in an aqueous medium, the Li-containing metallurgical slag, and an alkaline Ca-compound, provided in amounts selected to obtain a molar ratio of the Ca in the Ca-compound to Li in the slag of at least 0.75, thereby obtaining a suspension; - heating the suspension to a temperature of more than 80 °C for at least 30 min, thereby obtaining a leached suspension; and, - separating solids from liquids in the leached suspension, thereby obtaining a leach solution containing a major part of the Li, and a solid residue containing Ca. This alkaline leaching process allows for a straightforward recovery of battery-grade LiOH from the leach solution, while consuming less reagents than known acidic leaching processes.

COPPER FOIL AND CURRENT COLLECTOR FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY

Resumen de: US2025279435A1

Provided is an copper foil for lithium ion secondary batteries having two opposite sides, wherein the copper foil has a texture coefficient of crystal plane (220) “TC (220)” of ≥1.36 and a texture coefficient of crystal plane (311) “TC (311)” of ≥0.79. The present disclosure further provides a current collector for lithium ion secondary batteries and a lithium ion secondary battery including the same.

BATTERY MANAGEMENT SYSTEM, BATTERY PACK INCLUDING THE SAME, AND METHOD OF DETECTING CONTACT DEFECT MODULE USING THE SAME

Resumen de: US2025279488A1

Provided are a battery management system and a battery pack including the same. The battery management system includes a plurality of slave managers provided to correspond to a plurality of battery modules, and configured to uniformly adjust cell voltages of a plurality of battery cells of respective battery modules, a master manager configured to detect a battery module having a contact defect therein among the battery modules as a defective module using a voltage deviation that is a difference between a maximum value and a minimum value of the cell voltages, and a data transmitter configured to electrically connect the master manager and the slave managers to enable data exchange.

FREE-STANDING SULFIDE SOLID-STATE ELECTROLYTE MEMBRANES

Resumen de: US2025279468A1

A solid-state electrolyte is provided. The solid-state electrolyte includes a ceramic and a polymer binder. The ceramic includes a sulfide-containing electrolyte, and the polymer binder has a molecular weight of from 50 to 2000 kg/mol. A solid-state battery cell is also provided. The solid-state battery cell includes a casing and a cathode and an anode disposed within the casing. The solid-state battery cell further includes a current collector and a solid-state electrolyte membrane separating the cathode and the anode. The solid-state electrolyte includes a ceramic and a polymer binder disposed within the ceramic. The ceramic includes sulfide-containing electrolyte and the polymer binder has a molecular weight of from 50 to 2000 kg/mol. A method of manufacturing a solid-state electrolyte membrane is further provided.

BATTERY PACK

Resumen de: US2025279501A1

A battery pack may include battery cells; a cooling plate on one side of the battery cells; and an insulation member having an insulation part, a pair of first heat transfer parts on both sides of the insulation part, and a first layer in at least a portion of the first heat transfer part and having a higher thermal conductivity than the insulation part. A temperature deviation between top and bottom portions of an electrode plate inside a cell can be reduced, thereby improving the cooling performance of the cell. In addition, the lifespan of a cell can be extended by improving cooling performance, and the safety of a battery pack can be improved by preventing events such as deterioration and heat generation.

IMMERSION COOLING SYSTEMS AND METHODS FOR TRACTION BATTERY PACK SYSTEMS

Resumen de: US2025279505A1

Immersion cooling systems are provided for managing thermal energy levels within a traction battery pack system. An exemplary immersion cooling system may include a flow control valve that is configured to control a flow of a cooling fluid (e.g., a dielectric fluid) through either a primary closed loop cooling circuit or a secondary closed loop cooling circuit of the immersion cooling system for thermally managing a battery module of a battery pack assembly. A control module may control a position of the flow control valve based at least on a temperature of the cooling fluid exiting the battery pack assembly. When the flow control valve directs the cooling fluid through the secondary closed loop cooling circuit, a portion of the primary closed loop cooling circuit is reserved for providing a dedicated gas exit flow path for expelling battery vent byproducts from the battery pack assembly.

BATTERY MANUFACTURING METHOD AND SYSTEM

Resumen de: US2025278081A1

A battery manufacturing method is applied to the battery manufacturing system. The battery manufacturing system includes a controller and production equipment. The battery manufacturing method includes: during product production by production equipment in any process of a battery production line, obtaining, by the controller, product information, where the production equipment is equipment corresponding to any process in a battery group production line; and in a case that the product information meets a product switching condition, controlling, by the controller, the production equipment to switch to producing a new-model product.

INSULATION RESISTANCE DETECTION DEVICE AND INSULATION RESISTANCE DETECTION METHOD

Resumen de: US2025277834A1

An insulation resistance detection device includes: a voltage measurer that measures a voltage at a first node among a plurality of nodes between a plurality of voltage dividing resistors included in an insulation detection circuit for detecting insulation resistance in a path through which a current from a battery flows; a determiner that determines whether the voltage at the first node measured by the voltage measurer is lower than or equal to a predetermined voltage; and a switcher that switches a state of a switch connected to a second node among the plurality of nodes to cause the voltage measured by the voltage measurer to exceed the predetermined voltage, when the voltage at the first node measured by the voltage measurer is determined to be lower than or equal to the predetermined voltage.

Winding Device

Resumen de: US2025276866A1

The disclosed subject matter provides a winding device that includes a material-placing mechanism, a mounting table, a winding member and a restraining member, wherein the material-placing mechanism is configured to convey a material strip; the winding member includes a winding needle base and a plurality of winding needles provided on the winding needle base, the winding needle base is rotatably provided on the mounting table, with a winding needle gap formed between the plurality of winding needles, such that the material strip passes through; the restraining member is provided outside the winding needle gap and configured to fix the material strip protruding from the winding needle gap with a preset force F1, the winding needle base is configured to drive the winding needle to rotate with a winding tension F2, and F1 is less than F2.

ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE HOUSING DEVICE

Resumen de: US2025279455A1

The electrochemical cell device includes a cell, a support body, and a fixing member. The cell has a first end and extends from the first end in a first direction. The support body supports one end portion of the cell including the first end. The fixing member is located between the cell and the support body and is in contact with a first surface of the cell along the first direction and a second direction intersecting the first direction. The first surface includes a contact area in contact with the fixing member and a non-contact area not in contact with the fixing member. The contact area has a second end on the first end side. A length in the first direction from the second end to the non-contact area on a side opposite to the first end is larger at a second part located at an end portion in the second direction than at a first part located at a center portion in the second direction.

ELECTRODE FOR RECHARGEABLE BATTERY AND ELECTRODE ASSEMBLY

Resumen de: US2025279561A1

An electrode for a rechargeable battery is provided. The electrode includes a substrate having an electrode uncoated region and an electrode active region. An electrode tab is attached to the electrode uncoated region, and an active material layer is formed on the electrode active region. A tape is disposed between the electrode uncoated region and the electrode tab.

BATTERY SYSTEM WITH COMPENSATOR

Resumen de: US2025279523A1

A battery system includes: a battery cell stack including a plurality of battery cells accommodated in a compartment; and a compensator at an end of the battery cell stack to exert a pressing force on the battery cell stack. The compensator includes a flexible membrane coupled to a membrane carrier to define a variable volume that is configured to be filled with a fluid. The flexible membrane is configured to expand in response to a fluid pressure rising in the compensator and contract in response to the fluid pressure reducing in the compensator.

JELLY ROLL BATTERY CELL, BATTERY, BATTERY ASSEMBLY AND ELECTRIC DEVICE

Resumen de: US2025279554A1

A jelly roll battery cell, a battery, a battery assembly and an electric device. The jelly roll battery cell includes a main body portion and a tab portion; one side of each positive winding portion in one part of positive winding portions is connected to one positive tab, and one side of each positive winding portion in the other part of the positive winding portions is connected to two positive tabs; and/or, one side of each negative winding portion in one part of negative winding portions is connected to one negative tab, and one side of each negative winding portion in the other part of the negative winding portions is connected to two negative tabs.

BATTERY CELL, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025279483A1

A battery cell includes an electrode assembly, where the electrode assembly includes a first separator, a second separator, and multiple electrode plates stacked. The multiple electrode plates include two outer electrode plates located at two ends and multiple inner electrode plates located between the two outer electrode plates. The first separator is disposed between the outer electrode plate and the inner electrode plate adjacent to the outer electrode plate; and the second separator is disposed between adjacent two of the inner electrode plates; where thickness of the first separator is greater than thickness of the second separator.

PROTECTIVE ELEMENT, SET OF COMPONENTS AND METHOD FOR PRODUCING THE PROTECTIVE ELEMENT

Nº publicación: US2025279522A1 04/09/2025

Solicitante:

ELRINGKLINGER AG [DE]
ElringKlinger AG

Resumen de: US2025279522A1

A protective element for arrangement on a device which emits electromagnetic radiation, wherein the device can be, for example, an at least partially electrically powered motor vehicle, the protective element comprising the following: a shielding layer for shielding against electromagnetic radiation, a plastic layer, and a contacting zone via an electrical contact can be established between the shielding layer and the device.