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SEPARATOR, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS

Resumen de: US20260094942A1

A separator includes a substrate layer, an inorganic coating and a bonding layer. The inorganic coating is disposed between the substrate layer and the bonding layer and includes inorganic particles, the bonding layer includes polymer particles, and at least part of the polymer particles are embedded in pores of the inorganic coating; and in a scanning electron microscope image of a cross section of the separator at a magnification of 2000, within an area of 11.6 μm×7.6 μm, the number of polymer particles embedded in the inorganic coating at a depth greater than or equal to 100 nm is C, and the total number of polymer particles in the cross section is D, where 0.5≤C/D<0.94.

POWER STORAGE DEVICE

Resumen de: US20260094930A1

A power storage device comprises a plurality of power storage cells, a lower case including a bottom wall, and a partition plate provided between the plurality of power storage cells and the bottom wall. Each power storage cell has a lower surface provided with a safety valve. The bottom wall includes a supporting portion that supports the partition plate, and a groove that protrudes from the supporting portion downward and has a shape extending in one direction. The partition plate includes a connected portion connected to the supporting portion, and a lidding portion located above the groove and cooperating with the groove to form an emission path. The lidding portion has a plurality of through holes each provided at a position facing the safety valve.

SECONDARY BATTERY AND METHOD OF MANUFACTURING SECONDARY BATTERY

Resumen de: US20260094944A1

A secondary battery includes a first can having a first screw thread formed on an outer circumferential surface of the first can, an electrode assembly accommodated in the first can, and a second can having a second screw thread corresponding to the first screw thread formed on an inner circumferential surface of the second screw thread. The second screw thread corresponding to the first screw thread such that the second can be screwed to the first can to seal an opening of the first can.

BATTERY

Resumen de: US20260094940A1

A battery comprises a separator. In the width direction of the separator, the separator further comprises a first region and a second region located between the positive and negative electrode plates. The protruding heights of the adhesive layers in the first and second regions are denoted as X and Y, respectively. The battery further comprises an electrolyte comprising a first solvent and a first additive each having a dielectric constant of ≤10. Based on the total mass of the electrolyte, the mass percentages of the first solvent and the first additive are denoted as a and b, respectively; and 3≤(a+b)/(X/Y)≤60 is satisfied, such that the adhesion between the separator and the electrode plate can be significantly improved, and the infiltration problem caused by the pore blockage by the adhesive layer of the separator can be effectively solved.

POWER STORAGE MODULE AND POWER STORAGE DEVICE

Resumen de: US20260094943A1

A power storage module includes a main body portion provided with communication paths, and a liquid injection portion that is attached to one side surface of the main body portion and includes injection ports each communicating with the communication paths. Liquid injection frames provided in the main body portion include a first liquid injection frame in which a part of the liquid injection frame protrudes from the main body portion to at least one side in the first direction, and a second liquid injection frame in which a part of the liquid injection frame protrudes from the main body portion to at least the other side in the first direction.

LITHIUM BATTERY AND MANUFACTURING METHOD THEREFOR

Resumen de: US20260094938A1

Disclosed are a lithium battery and a method of manufacturing the same, wherein an anode current collector, a separator, and a cathode are sequentially disposed in the lithium battery, wherein an anode active material layer or a protective layer is absent between the anode current collector and the separator, the anode current collector and the separator form an integrated structure, and the initial adhesion strength at an interface between the anode current collector and the separator of the integrated structure is 0.15 gf/cm to 1.0 gf/cm.

FLAGGED ELECTRODES FOR TABLESS ENERGY STORAGE DEVICES, ELECTRICAL CONNECTIONS, AND PROCESSES THEREOF

Resumen de: US20260094948A1

Generally described, one or more aspects of the present disclosure relate to methods, systems, and devices related to forming an energy storage device with a wound sequentially flagged electrode including an electrode film disposed over a foil, wherein the foil includes a plurality of flags, a central core surrounded by the electrode film, where each of the plurality of flags are folded toward the central core, and where the plurality of flags sequentially decrease in height proximal to the central core, joining the flags together, joining a lid to the flags, and loading the electrode into a can for final processing to form the energy storage device.

NANOPOROUS SEPARATORS FOR BATTERIES AND RELATED MANUFACTURING METHODS

Resumen de: US20260094936A1

Provided is a lithium battery, wherein the battery comprises an anode, a cathode, wherein the cathode comprises one or more transition metals, an electrolyte, and a porous separator interposed between the cathode and anode, wherein the separator comprises an anionic compound. Also provided are methods of manufacturing such batteries.

BATTERY HEALTH MANAGEMENT

Resumen de: US20260094113A1

A system including an electronic processor that is configured to receive identifying information for a battery, retrieve, from a database, data regarding the battery and, when a date when a most recent state of charge (SOC) included in the data or a most recent integrated current accumulator (ICA) included in the data was determined is less than one month ago, determine a current SOC to be the most recent SOC or the current ICA to be a most recent ICA. The electronic processor is also configured to, when the data does not include the most recent SOC or ICA or when the date when the most recent SOC or ICA was determined is at least one month ago, estimate the current SOC or ICA and, in response to determining the current SOC or the current ICA of the battery is equal to 0, automatically charge the battery.

Apparatus for Detecting Moisture Penetration

Resumen de: US20260092828A1

An apparatus for detecting moisture penetrating into a housing having a high-voltage component includes a gas-generating or pressure-generating element which causes gas or pressure to develop when the gas-generating or pressure-generating element contacts a liquid in droplet form. A gas or pressure sensor is arranged with the gas-generating or pressure-generating element in a common envelope element. The gas-generating or pressure-generating element is connected to the housing. The gas or pressure sensor recognizes a pressure increase or gas evolution in the common envelope element and outputs a warning signal.

POUCH CELL BATTERY COMPRESSION AMPOULE FOR A CALORIMETER

Resumen de: US20260092821A1

A calorimeter lifting tool for holding a pouch cell battery within a calorimeter includes a base including a first pressure surface, a pressure plate including a second pressure surface, the pressure plate attachable to the base such that the first pressure surface of the base and the second pressure surface of the pressure plate define a space between which a pouch cell battery having a first cell surface and an opposing second cell surface is configured be held such that a first pressure surface of the base applies pressure to the first cell surface of the pouch cell battery and the second pressure surface of the pressure plate applies pressure to the second cell surface of the pouch cell battery, and a terminal connector system configured to connect to terminals of the held pouch cell battery, the terminal connector system configured to connect with a battery cycler system.

TAPE FOR BATTERY ATTACHMENT AND BATTERY ATTACHED WITH THE SAME

Resumen de: US20260092202A1

A battery attachment tape includes: an adhesive portion including an adhesive surface attached to a surface of a battery cell; and a gripping portion extending from one side of the adhesive portion. The adhesive portion includes: a first adhesive portion overlapping with the gripping portion in a first direction; and a second adhesive portion on opposite sides of the first adhesive portion. Adhesive strengths of the first adhesive portion and the second adhesive portion are different from each other.

WEARABLE DEVICES

Resumen de: US20260095709A1

The present disclosure provides a wearable device comprising a housing assembly, an interface assembly, and a control board assembly. The housing assembly includes a connection port. The interface assembly includes a wiring end and an interface end opposite to each other, the interface assembly is disposed within the housing assembly in a manner that the interface end faces the connection port, and the interface assembly is connected to an inner wall of the housing assembly. The control board assembly is disposed within the housing assembly and is connected to the wiring end through a wire assembly. By arranging the interface end and the connection port to face and communicate with each other, an external device may be connected to the wearable device in a plug-in manner through the interface assembly, thereby supporting functions such as device debugging, system upgrades, and adjustment of operating modes and parameters. Meanwhile, by connecting the interface assembly to the housing assembly, the housing assembly may be directly used as an installation carrier for the interface assembly, which not only fully utilizes the structure and internal space of the housing assembly, but also facilitates miniaturization and weight reduction of the wearable device, and facilitates disassembly and maintenance of the wearable device.

WEARABLE DEVICES

Resumen de: US20260095708A1

A wearable device including a housing assembly and a microphone assembly is provided. The housing assembly includes a sound pickup hole connecting the interior of the housing assembly to the exterior of the housing assembly, and the microphone assembly is arranged in the interior of the housing assembly and is fixedly connected to the inner wall of the housing assembly. A sound inlet channel of the microphone assembly is in sealed connection with the sound pickup hole so that the microphone assembly may pick up an external sound signal input via the sound pickup hole.

WEARABLE DEVICES

Resumen de: US20260095707A1

A wearable device includes a housing assembly and a movement assembly. The housing assembly includes a first housing and a second housing, the first housing being connected to the second housing to form an accommodating cavity between the first housing and the second housing; the movement assembly being provided in the accommodating cavity and including a first assembly and a second assembly in electrical connection with the first assembly, the first assembly being connected to the first housing, and the second assembly being connected to the second housing. By dispersedly connecting the movement assembly to the first housing and the second housing, the housing assembly may be designated as a structural mounting carrier of the movement assembly, not only reducing the number of related connecting parts but also making full use of the housing structure and space, which is conducive to the miniaturization and lightweight design of the device.

WEARABLE DEVICES

Resumen de: US20260095706A1

A wearable device includes a housing assembly and a button assembly. The housing assembly includes a first housing provided with a housing space and a button window. The button assembly includes an operating button provided in the housing space. The operating button is movably connected to an inner wall of the first housing. At least a portion of the operating button protrudes out of the first housing through the button window.

PLANT CONTROLS FOR SELF-SUPPLY APPLICATIONS OF ENERGY STORAGE SYSTEMS

Resumen de: US20260095063A1

An energy storage system having a self-supply mode includes a plurality of battery energy storage system (BESS) modules, a plant controller, and an auxiliary system. The plant controller operates the energy storge system in a self-supply mode to supply electric power to the auxiliary system when the energy storage system is disconnected from an electric grid. The self-supply mode includes monitoring, for each of the rechargeable BESS enclosures, a state of charge parameter (SoC), sequentially activating one of the rechargeable BESS enclosures to supply electric power to the auxiliary system, and upon determining that the SoC of the one of the rechargeable BESS enclosures is less than a threshold, deactivating the one rechargeable BESS enclosure and activating another of the plurality of rechargeable BESS enclosures to supply electric power to the auxiliary system.

CIRCUMFERENTIALLY CONTINUOUS, FIRE SUPPRESSING, DIELECTRIC SLEEVE

Resumen de: US20260092404A1

A sleeve for protecting an elongate member, including a bus-bar of a battery pack, and method of construction thereof are provided. The sleeve includes a textile wall having a circumferentially continuous outer surface extending along a longitudinal axis between opposite open ends. The textile wall is formed at least in part by multifilament flame-resistant yarn. An impervious, flame-resistant coating is bonded to an outer surface of the circumferentially continuous textile wall.

PREPARATION OF ULTRAFINE POLYIMIDE NANOFIBER MEMBRANE AT HIGH VOLTAGE AND USE OF MEMBRANE IN HIGH-TEMPERATURE FILTRATION

Resumen de: US20260092402A1

The present invention discloses preparation of an ultrafine polyimide nanofiber membrane at high voltage and use of the membrane in high-temperature filtration. By using a metal wire needleless-type electrospinning technology, a nanofiber membrane with an average fiber diameter of lower than 130 nm is prepared at a high voltage of 80 kV Such a fine fiber structure not only enhances interception efficiency for fine particulate matter (PM0.3) to achieve a filtration efficiency of above 99.97%, but also significantly reduces filtration resistance to 189.18 Pa through a slip effect, thus having better performance than conventional commercial glass fiber filtration materials. The ultrafine polyimide nanofiber membrane prepared by the present invention has the advantages of high filtration efficiency, low resistance, good thermal stability, and hydrophobicity, thus having a broad application prospect in the field of high-temperature filtration of PM.

POLYMER ELECTROLYTE COMPRISING A POLYACRYLAMIDE AND METHODS FOR THE PRODUCTION THEREOF

Resumen de: US20260092135A1

The present invention concerns polymer electrolytes comprising a polymer backbone derived from dialkylacrylamide monomers which effectively encapsulate deep eutectic solvents (DES) and are compatible with high potential electrodes. The present invention further concerns composite cathodes and electrochemical cells comprising the polymer electrolyte, and uses thereof.

ULTRAFAST HIGH-TEMPERATURE SINTERING METHOD

Resumen de: US20260092014A1

The present invention relates to a method for producing a sintered inorganic substrate, comprising providing an inorganic substrate between a first and a second carbon-comprising thermally conductive substrate, providing the first and the second thermally conductive substrate and the inorganic substrate between a third and a fourth thermally conductive substrate, heating the third and/or the fourth thermally conductive substrate at a heating rate of at least 50° C./s to a temperature between 750° C. and 1400° C., thereby heating the first and/or the second thermally conductive substrate, respectively, and sintering the inorganic substrate by heating the inorganic substrate at a temperature between 750° C. and 1400° C. with the heated first and/or second thermally conductive substrate, wherein the third and the fourth thermally conductive substrates comprise, independently from one another, one or more of a monocrystalline metal oxide and/or a monocrystalline metal nitride.

FLUID DISTRIBUTION MODULE FOR A THERMAL MANAGEMENT SYSTEM

Resumen de: US20260091747A1

A multi-mode fluid distribution module for selectively controlling a flow of one or more fluids through a thermal management system is disclosed. The module includes a fluid valve system in fluid communication with one or more fluid manifolds. The fluid valve system includes a pair of actuators operably coupled an associated pair of fluid valve assemblies disposed in a housing defining a plurality of flow paths. Each of the fluid valve assemblies includes a plurality of flow control members in stacked relationship moveably disposed and selectively positionable within the housing to achieve various operating modes of the fluid distribution module, and thereby, the thermal management system.

SECONDARY BATTERY PROTECTION INTEGRATED CIRCUIT AND BATTERY DEVICE

Resumen de: US20260095056A1

An integrated circuit for protecting a secondary battery may include: a power-supply terminal connectable with a positive terminal of the secondary battery; a ground terminal connectable with a negative terminal of the secondary battery; and a control circuit for controlling a discharge-stop circuit to stop discharging the secondary battery. In response to a power-supply voltage between the power-supply terminal and the ground terminal being at or above a first threshold voltage, which is higher than a second threshold voltage, the control circuit carries out a first operation. When a first condition in which the power-supply voltage is lower than the first threshold voltage lasts a first period of time, the control circuit starts the discharge-stop circuit. When a second condition in which the power-supply voltage is lower than the second threshold voltage lasts a second period of time, shorter than the first period, the control circuit starts the discharge-stop circuit.

DISCHARGING DEVICE, CHARGING/DISCHARGING SYSTEM, AND METHOD OF OPERATING THE SAME

Resumen de: US20260095061A1

A discharging device includes an energy storage component and a load unit. The energy storage component is charged in a constant-current manner. When a voltage of the energy storage component reaches a reference voltage, the load unit is enabled to discharge the energy storage component to a fixed voltage in a constant-voltage manner.

BATTERY PACK AND ELECTRIC DEVICE

Nº publicación: US20260094956A1 02/04/2026

Solicitante:

XIAMOMI EV TECH CO LTD [CN]
XIAOMI EV TECH CO LTD [CN]
Xiamomi EV Technology Co., Ltd,
Xiaomi EV Technology Co., Ltd

Resumen de: US20260094956A1

A battery pack includes a battery cell, an insulating member and a supporting component, a clearance port is formed in the supporting component and is arranged corresponding to an anti-explosion valve of the battery cell, the insulating member is arranged between the battery cell and the supporting component, the insulating member includes a body and a shielding portion connected to the body, the shielding portion is arranged corresponding to the clearance port, and at least part of the shielding portion is arranged as being capable of turning over relative to the body under an action of gas of the anti-explosion valve, so as to shield at least part of an inner wall of the clearance port.