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COOLING HEAT EXCHANGER

Resumen de: US20260338498A1

A cooling heat exchanger including a cooling flow path through which a cooling heat medium flows, and a cooling surface provided on its surface while being configured to be superposed on a cooling target for cooling the cooling target. The cooling heat exchanger includes: a hollow outer wall member in which the cooling flow path is provided, the outer wall member including a pair of cooling walls separately provided at mutually facing portions of the outer wall member and each including the cooling surface formed on its surface; and a plate-shaped inner fin arranged in an internal region of the outer wall member, the inner fin separating the internal region into two in a direction in which the cooling walls face each other while integrally including a first projection and a second projection jutting out from respective surfaces of the inner fin.

HEAT INSULATION PAD AND PREPARATION METHOD THEREFOR

Resumen de: US20260336260A1

A heat insulation pad includes a thermal insulation core material, where the thermal insulation core material includes at least two layers of thermal insulation felt connected via an adhesive layer; and the adhesive layer includes a water-based adhesive and the adhesive layer is provided with a gas escape channel. The heat insulation pad of the present disclosure exhibits a large thickness, a flat surface, a small thickness tolerance, and excellent thermal insulation performance.

BATTERY PACK AND ELECTRICAL DEVICE

Resumen de: US20260341838A1

The application provides a battery pack and an electrical device. The battery pack includes a cell assembly and a heat exchange assembly. The cell assembly includes a plurality of battery cells, a side surface of each battery cell where an output terminal is located includes a functional region and a non-functional region, and at least one of the output terminal, a liquid injection port, or an explosion-proof valve is provided on the functional region. The heat exchange assembly includes a first heat exchange component and a first support member, and the first support member abuts between the adjacent first heat exchange component and a non-functional region.

Battery Case and Secondary Battery Including the Same

Resumen de: US20260341851A1

A battery case having excellent durability and a secondary battery including the same are disclosed. The battery case includes: (1) a first polymer layer; (2) a second polymer layer; and (3) a gas barrier layer disposed between the first polymer layer and the second polymer layer. The battery case further includes at least one cup portion curved in one direction, wherein a K value according to a following Equation (1) as described herein is 63.0 or more.

BATTERY MANAGEMENT MODULE AND BATTERY MANAGEMENT SYSTEM USING THE SAME

Resumen de: US20260341812A1

A battery management module can include: a switch circuit, coupled between a positive electrode of a battery and a positive output terminal of the battery management module, and being configured to charge or discharge the battery; an analog front-end chip, configured to monitor information of the battery, where the information of the battery comprises at least voltage information and current information of the battery; and where the analog front-end chip comprises a driving circuit configured to generate a driving signal for driving the switch circuit and a diagnostic circuit configured to diagnose a fault condition of the switch circuit.

SELF-SUPPORTING FLAME-RETARDANT POLYMER ELECTROLYTE, PREPARATION METHOD AND USE THEREOF, AND SOLID-STATE LITHIUM METAL BATTERY

Resumen de: US20260341804A1

Provided are a self-supporting flame-retardant polymer electrolyte, a preparation method and use thereof, and a solid-state lithium metal battery. The self-supporting flame-retardant polymer electrolyte includes: a polymer skeleton, formed by polymerization of an enenitrile substance, a phosphate ester containing an unsaturated carbon-carbon double bond, and a cross-linking agent; and succinonitrile, triethyl phosphate, and a lithium salt, all dispersed in the polymer skeleton.

BATTERY TRANSPORTATION PROTECTION DEVICE

Resumen de: AU2025271528A1

Provided in the embodiments of the present application is a battery transport protection device. The battery transport protection device comprises a case body, measurement members and a fire-fighting mechanism. The case body has a first accommodating cavity used for accommodating batteries. The measurement members are arranged in the case body, and are used for measuring environmental parameters in the first accommodating cavity. The fire-fighting mechanism is arranged in the case body, and is used for releasing a fire-fighting medium to the first accommodating cavity when the environmental parameters exceed threshold values. The measurement members are provided to measure the environmental parameters in the first accommodating cavity, and when the environmental parameters measured by the measurement members exceed the threshold values, the fire-fighting mechanism releases the fire-fighting medium to the first accommodating cavity, so as to perform firefighting (fire extinguishing, cooling, etc.) on the batteries, thus reducing the risk of loss (casualties, property loss) caused by battery fires, and helping to improve the reliability of the battery transport protection device during battery transportation.

BATTERY MANAGEMENT SYSTEM

Resumen de: US20260343201A1

A battery management system for managing a cell stack. The battery management system includes: a monitoring circuit that monitors the cell stack; and a management circuit that is connected to the monitoring circuit via wireless communication, and manages the cell stack. In the battery management system, the monitoring circuit and the management circuit each include a plurality of wireless communication sections that use wireless-communication modulation schemes that are mutually different, and the wireless-communication modulation schemes that are mutually different include a ultra-wide band (UWB) scheme.

COATING DIE HEALTH INSPECTION METHOD, APPARATUS AND SYSTEM, AND STORAGE MEDIUM

Resumen de: US20260335926A1

A coating die health inspection method is provided. The method includes: step S101. obtaining, based on first distance data between a first position of a coating die and a back roller, and second distance data between a second position of the coating die and the back roller, a first parameter representing a wear amount of the coating die, and a second parameter representing a parallelism between the coating die and the back roller; and step S102. determining a health degree of the coating die based on the first parameter and the second parameter, to implement real-time inspection of the health degree of the coating die at a high inspection efficiency. A coating die health inspection apparatus and system, an electronic device, and a computer-readable storage medium are further provided.

CHARGING CONTROL METHOD AND ELECTRONIC DEVICE

Resumen de: US20260342106A1

The present disclosure discloses an electronic device including a first body, a second body, a charging interface and a power manager. The first body includes at least one first charging apparatus and a first battery. The second body includes at least one second charging apparatus and a second battery. The first body and the second body are movable relative to each other, and the at least one first charging apparatus and the at least one second charging apparatus include charging apparatuses of a same type. The charging interface is configured to obtain power supplied by an external charging device. The power manager is configured to determine, from the at least one first charging apparatus and the at least one second charging apparatus based on parameter information of a virtual power apparatus, according to a target charging strategy, a target charging apparatus to charge the first battery and the second battery.

BATTERY CELL

Resumen de: US20260341831A1

A battery cell having a cell housing and a cell terminal, preferably an external contact element. At least one heat conductor is arranged between the cell terminal, preferably the external contact element, and the cell housing. The external contact element is connected to the cell housing in a thermally conductive manner, and preferably in an electrically insulating manner, via the heat conductor.

BATTERY CELL AND MANUFACTURING METHOD THEREOF, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260341853A1

A battery cell includes an electrode assembly and an outer package. The electrode assembly includes a positive electrode plate, the positive electrode plate is provided with a positive electrode active material layer, and the positive electrode active material layer includes a transition metal oxide. The outer package is configured to package the electrode assembly, the outer package is provided with a venting means, and the venting means includes a gas-permeable film. With the venting means installed on the outer package of the battery cell, excess gas generated during use of the battery cell due to the instability of the transition metal is promptly discharged to the outside of the battery cell through the gas-permeable film of the venting means so that the an explosion-proof valve of the battery cell is less likely not prone to experience abnormal valve opening caused by excessive internal pressure.

DRY ION EXCHANGE MEMBRANE PRODUCTION METHOD

Resumen de: US20260341786A1

To provide a method for producing a dry ion exchange membrane with which a water electrolyzer with suppressed leakage can be produced. The dry ion exchange membrane production method of the present invention comprises drying a wet ion exchange membrane that contains a fluorinated polymer having ion exchange groups wetted with a liquid medium to remove the liquid medium thereby to obtain a dry ion exchange membrane; wherein the drying of the wet ion exchange membrane is initiated from a state where the amount of the liquid medium attached to the surface of the wet ion exchange membrane is 40 g/m2 or more and 600 g/m2 or less.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US20260341888A1

A battery cell, a battery, and an electric device. The battery cell includes a housing and a one-way valve. The housing has a wall portion. The one-way valve includes a valve body and a valve core. The valve body is arranged on an outer surface of the wall portion, and at least part of the valve body protrudes from the outer surface of the wall portion. The valve body has a valve cavity inside. The valve core is arranged in the valve cavity; the valve core is used to seal an air inlet of the valve cavity, and the valve core is configured to open the air inlet under the action of gas inside the housing and release gas inside the battery cell.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US20260341889A1

A battery cell, a battery, and an electrical device. The battery cell includes a housing and an exhaust assembly. The housing has a wall portion, and the exhaust assembly is arranged on the wall portion. The exhaust assembly includes a one-way valve and a gas-permeable film assembly, and the exhaust assembly is configured to discharge gas from inside the housing.

DEFECT DETECTION METHOD AND SYSTEM

Resumen de: US20260340806A1

The present application involves: obtaining battery cell images acquired from multiple angles, the battery cell images including a tab portion of a battery cell; performing, by a target detection model, tab defect detection on the battery cell images acquired from multiple angles to obtain a tab detection result, the target detection model being configured to perform tab positioning and tab defect identification; and completing defect detection based on the tab detection result. By using a target detection model to perform tab defect detection on battery cell images acquired from multiple angles, a defect in a tab portion is accurately detected.

ELECTRODE PLATE SLITTING SYSTEM AND METHOD

Resumen de: US20260336145A1

An electrode plate slitting system includes an electrode plate cutting apparatus configured to slit a first electrode plate into a plurality of second electrode plates, wherein a width of the first electrode plate is greater than a width of the second electrode plate; an information collection module configured to collect information about the second electrode plates; and a processor configured to acquire the information and determine, according to the information, whether the second electrode plates have a deviation, and if the deviation has occurred, the processor being configured to perform deviation rectification on the first electrode plate. Also provided is an electrode plate slitting method. The electrode plate slitting system and method reduces the batch scrapping of electrode plates and the inflow of defective electrode plates into subsequent production processes.

STACKING DEVICE AND METHOD FOR MANUFACTURING ALL-SOLID-STATE BATTERY USING THE SAME

Resumen de: US20260336962A1

The present invention relates to a stacking device and a method for manufacturing an all-solid-state battery, and more particularly, a stacking device including a main portion, and a clamp unit disposed on the main portion, wherein the clamp unit includes a first clamp unit including a first fixing portion and a first vertical driving portion configured such that the first fixing portion moves vertically, and a second clamp unit including a second fixing portion and a second vertical driving portion configured such that the second fixing portion moves vertically. The first clamp unit and the second clamp unit are spaced apart in a first direction, the first fixing portion of the first clamp unit is configured to grip an upper surface of a first member, the second fixing portion of the second clamp unit is configured to grip an upper surface of a second member, and the upper surface of the first member and the upper surface of the second member are positioned at different heights.

LITHIUM-ION SECONDARY BATTERY, BATTERY APPARATUS, ELECTRICAL APPARATUS, PREPARATION METHOD FOR POSITIVE ELECTRODE ACTIVE MATERIAL, AND PREPARATION METHOD FOR POSITIVE ELECTRODE PLATE

Resumen de: US20260341686A1

The present disclosure relates to a lithium-ion secondary battery, a battery apparatus, an electrical apparatus, and preparation methods for a positive electrode active material and a positive electrode plate. The battery includes a positive electrode plate, a negative electrode plate, and an electrolyte. The positive electrode plate comprises a current collector and a film layer disposed on at least one side of the collector. The film layer comprises a positive electrode active material including lithium-containing transition metal phosphate particles, at least part of the surfaces of which are coated with a carbon material. In a cross-section along the electrode plate thickness direction, the DA90 of the particles ranges from 1400 nm to 2100 nm, and the particle size concentration ratio (DA90-DA10)/DA50 ranges from 1.855 to 2.375, wherein DA90, DA50, and DA10 respectively denote the particle sizes corresponding to 90%, 50%, and 10% of the area cumulative distribution.

SECONDARY BATTERY AND ELECTRICAL DEVICE

Resumen de: US20260341856A1

A secondary battery includes a casing, an electrode assembly disposed in the casing, and a sealing element configured to seal the casing. The casing includes a first casing and a second casing that are insulated and that jointly form an accommodation cavity. The accommodation cavity is filled with an electrolyte solution. The first casing and the second casing are disposed facing each other, with a clearance in between. The first casing includes a first metal layer and a second metal layer that covers a surface of the first metal layer, the surface being away from the accommodation cavity. Hardness of both the second casing and the second metal layer is greater than hardness of the first metal layer. A positive electrode of the electrode assembly is electrically connected to the first metal layer. A negative electrode of the electrode assembly is electrically connected to the second casing.

ENERGY STORAGE CONVERTER AND ENERGY STORAGE SYSTEM

Resumen de: US20260343833A1

Energy storage converter and an energy storage system. First cavity of housing is configured to include first region and second region which are arranged along first direction, an airflow generation apparatus can generate first airflow flowing through first region and second airflow flowing through second region, and first airflow and second airflow both flow in from first side of first cavity and flow out from second side of first cavity, so that first region can be subjected to heat management by using first airflow, and second region can be subjected to heat management by using second airflow. Average heat generation of devices arranged in first region is greater than an average heat generation of devices arranged in second region, more of first airflow can flow into and flow out of first channel defined by cover by arranging cover in first region, heat management effect is improved.

BATTERY SYSTEM, BATTERY PACK EMBEDDED WITH THE SAME, AND BATTERY PACK MONITORING METHOD USING THE SAME

Resumen de: US20260341810A1

A battery system may include a battery module, a slave battery management system (BMS) including an antenna, the slave BMS being connected to the battery module, and configured to sense a state of the battery module and generate sensing information, and transmit the sensing information through the antenna as a wireless signal, and a master BMS including multiple antennas. The master BMS may be configured to receive the wireless signal through the multiple antennas as a plurality of wireless signals, adjust phases for the plurality of wireless signals and generate a plurality of first wireless signals, synthesize the plurality of first wireless signals and generate a second wireless signal, obtain the sensing information by using the second wireless signal, and control the battery module by using the obtained sensing information.

Battery Cell, Battery Pack and Vehicle Including Same

Resumen de: US20260341925A1

A battery cell may include a battery can including a bottom member and a side wall member connected to the bottom member and extending in an axial direction, and having an opening at one end; an electrode assembly configured to be received inside the battery can through the opening; a cap configured to cover the opening a gasket interposed between the battery can and the cap; and a current collector having an electrode connection portion having at least a portion electrically connected to one end of the electrode assembly, and a can connection portion extending outward in a radial direction from the electrode connection portion toward the side wall member of the battery can, wherein at least a portion of an edge tip of the can connection portion has a chamfered shape. A battery pack or a vehicle may include the battery cell.

DEVICE INCLUDING BATTERY PACK

Resumen de: US20260341869A1

A device of the present disclosure according to an embodiment includes: a battery pack including a lower frame in which a battery module is accommodated and an upper cover for covering the lower frame; a device housing positioned on the battery pack; and a smoke control boundary wall disposed between the battery pack and the device housing.

POUROUS CARBON-BASED MATERIAL FOR LEAD-ACID BATTERY

Nº publicación: US20260341805A1 29/10/2026

Solicitante:

GHAZITABAR ARASH [IR]
NADERI MALEK [IR]
JORJANI SINA [IR]
PLATIN IRAN CO [IR]
INST FOR COLOR SCIENCE AND TECHNOLOGY [IR]
AMIRKABIR UNIV OF TECHNOLOGY [IR]
Ghazitabar Arash
Naderi Malek
Jorjani Sina
Platin Iran Company
Institute for Color Science and Technology
Amirkabir University of Technology

Resumen de: US20260341805A1

Disclosed herein is a lead-acid battery exhibiting high lifespan and electrochemical performance. The lead-acid battery includes a negative electrode and a positive electrode, each including two or more plates covered by a battery paste containing a porous carbon-based material in an amount ranging from about 0.1 wt % to about 1.0 wt %. The porous carbon-based material includes a plurality of porous carbon-based sheets, a plurality of at least one metal ion, and a plurality of at least one heteroatom. The plurality of the at least one metal ion are dispersed between the plurality of porous carbon-based sheets such that the plurality of porous carbon-based sheets are cross-linked via the plurality of the at least one metal ion. The porous carbon-based sheets are further doped with the one or more heteroatoms.