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Management Device, Energy Storage Apparatus, System, and Communication Method

Resumen de: US20260077654A1

A battery management unit that manages an energy storage cell, the battery management unit including: a current sensor that measures a charge/discharge current in the energy storage cell; a first communication unit that communicates with a vehicle; and a management unit, in which the management unit executes: determination processing of detecting, by the current sensor, a pulse pattern occurring in the charge/discharge current in the energy storage cell, and determining whether or not the detected pulse pattern matches a predetermined pattern; and communication processing of communicating with the vehicle via the first communication unit when it is determined in the affirmative in the determination processing.

NON-WOVEN FABRIC, METHOD OF MANUFACTURING NON-WOVEN FABRIC, SOLID ELECTROLYTE MEMBRANE, METHOD OF MANUFACTURING SOLID ELECTROLYTE MEMBRANE, ALL-SOLID-STATE BATTERY, AND METHOD OF MANUFACTURING ALL-SOLID-STATE BATTERY

Resumen de: US20260081304A1

A solid electrolyte membrane having favorable characteristics and a method of forming the same are provided. A solid electrolyte membrane 40 is composed of a non-woven fabric (ultrafine fiber non-woven fabric) UFN and solid electrolyte particles 4AP incorporated therein. Also, the non-woven fabric UFN includes a fiber (ultrafine fiber UF) made of a resin containing a polar filler. A method of manufacturing the solid electrolyte membrane 40 includes a step of preparing the non-woven fabric UFN including a fiber made of a resin containing a polar filler, a step of applying a slurry S containing the solid electrolyte particles 4AP onto the non-woven fabric UFN, and a step of heating while pressurizing the slurry S on the non-woven fabric UFN. Further, the non-woven fabric UFN is formed by making the resin containing the polar filler be a fibrous form by a laser electrospinning method.

SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US20260081306A1

The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate, a coating layer located on at least one surface of the porous substrate, and an adhesive layer located on one surface of the coating layer. The coating layer includes a crosslinked product of a binder, a cross-linking agent, and a carboxyalkyl cellulose or a salt thereof, and a filler. The binder includes a (meth)acryl-based binder that includes a first structural unit derived from (meth)acryl amide and a second structural unit derived from (meth)acrylamidosulfonic acid or a salt thereof. The crosslinking agent includes an aziridine-based crosslinking agent, and the adhesive layer includes a (meth)acryl-based adhesive binder.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING SAME

Resumen de: US20260081310A1

A secondary battery, including an electrode assembly having a first electrode, a second electrode, and a separator between the first electrode and the second electrode, wound around a winding axis, a case configured to accommodate the electrode assembly, the case electrically connected to the second electrode, and a cap assembly configured to seal an opening of the case, the cap assembly electrically connected to the first electrode, wherein the first electrode includes a first active material coated portion including a substrate in which an active material is coated along a winding direction and a first uncoated portion including a substrate in which an active material is not coated, and the first uncoated portion of the first electrode includes a first region having a thickness less than a thickness of the substrate of the first active material coated portion.

DIELECTRIC THIN FILM FOR SOLID-STATE OR SEMI-SOLID LITHIUM BATTERY

Resumen de: US20260081305A1

A dielectric thin film for a solid-state or semi-solid lithium battery, wherein the dielectric thin film is connected between a negative electrode and a positive electrode of the lithium battery. The dielectric thin film includes a first film layer connected to the positive electrode, a third film layer connected to the negative electrode, and a second film layer connected between the first film layer and the third film layer. The first film layer includes a first polymer material and a first lithium salt. The second film layer includes a second polymer material, a second lithium salt and a second inorganic ceramic structure. The third film layer includes a third polymer material, a third lithium salt and a third inorganic ceramic structure.

METHOD AND SYSTEM FOR PREDICTING A PERFORMANCE OF A SECONDARY BATTERY

Resumen de: US20260079208A1

A method of predicting an electrical performance of a secondary battery. The method includes receiving design conditions of the secondary battery, receiving experiment data of the secondary battery, obtaining model parameters based on the experiment data and an electrochemical model, generating an electrochemical model library including the model parameters, and predicting the electrical performance of the secondary battery, having the design conditions, based on the electrochemical model library. The design conditions of the secondary battery include at least one of an electrode condition or an active material condition.

INLINE BATTERY ELECTROLYTE LEAK DETECTION

Resumen de: US20260079068A1

A system configured to detect leakage of an electrolyte from a battery cell. The system includes: a probe configured to contact the battery cell and create an air-tight connection between the probe and the battery cell over a fill port of the battery cell that has been closed with a seal; a pump in fluid communication with the probe, the pump configured to draw a vacuum through the probe; a housing defining a chamber including a window, the probe extends from the housing, the pump is connected to the housing to draw the vacuum through the probe into the chamber; and a sensor configured to detect presence of the electrolyte within the chamber pulled from the battery cell through the seal of the fill port by the vacuum generated by the pump, presence of the electrolyte within the chamber is indicative of the seal of the fill port of the battery cell being compromised.

METHOD AND SYSTEM FOR INSPECTING BATTERY CELL

Resumen de: US20260079104A1

A method of inspecting a battery cell includes: irradiating, by a light source device, an electromagnetic wave toward the battery cell including an electrode assembly and an electrolyte; generating, by a sensing device, reflected wave data by sensing a reflected wave from the battery cell; and generating electrolyte impregnation data indicating a degree to which the electrode assembly is impregnated with the electrolyte based on the reflected wave data.

SYSTEMS AND METHODS FOR INSPECTING STRUCTURAL INTEGRITY OF BATTERY PACK

Resumen de: US20260079064A1

A system configured to assess structural integrity of a battery pack component. The system includes: a tub configured to receive the battery pack component therein; a cover configured to sit on the tub and the battery pack component within the tub, and form a seal against both the tub and the battery pack component, thereby defining a reservoir between the tub, the cover, and the battery pack component; a pump configured to pump a gas into the reservoir through an inlet at the tub; and a sensor configured to detect a leak of the gas through the battery pack component from the reservoir, the leak corresponding to an area of the battery pack component having structural irregularities.

ELECTRODE DRYING DEVICE

Resumen de: US20260078949A1

The present disclosure relates to an electrode drying device including a housing, an electrode transport device configured to transport an electrode through the housing unit in a first direction. An air supply is provided with the housing unit to supply air into the housing unit. A light is disposed between the electrode and the air supply device.

SYSTEM AND METHOD FOR PREDICTING LIFE OF BATTERY

Resumen de: US20260079209A1

The present disclosure relates to a system for predicting a life of a battery. The system may include a training data generation device configured to generate first data comprising life data of a reference battery and profile data for each battery degradation mode of the reference battery. The system may further include a prediction model generation device configured to generate, based on the first data, one or more life prediction models to predict profile data for each battery degradation mode with initial life data of a target battery as input. The system may also include a life prediction device configured to predict a life of the target battery based on second data comprising profile data for each battery degradation mode predicted by the one or more life prediction models.

BIAXIALLY ORIENTED MEMBRANES FROM DOUBLE LAYER, OIL FILLED SHEETS

Resumen de: US20260077546A1

The present disclosure relates to a process for the formation of freestanding, biaxially-oriented, microporous polyolefin films. In this approach, at least two separate oil-filled, cast or calendered films are stacked on top of each other and then subjected to biaxial orientation, followed by solvent extraction of the process oil (i.e., plasticizer), evaporation of the solvent, and heat stabilization prior to separation into individual microporous membranes that are wound into rolls.

SYSTEMS AND METHODS FOR IMPROVED FLUID GUN DELIVERY SYSTEMS

Resumen de: US20260077318A1

A fluid delivery system can include a tank holding the fluid to be delivered, a pump fluidly coupled to the tank, and a spray gun. The spray gun can include a handle, a winged extension member disposed to contact at least a portion of an operator's hand when the operator holds the spray gun by the handle, and a strap.

DETECTION APPARATUS, ENERGY STORAGE APPARATUS, AND DETECTION METHOD

Resumen de: US20260079225A1

A detection apparatus (a current detection circuit and a control unit) which detects a measurement characteristic of a current measurement circuit which measures a current value of a current that flows through a circuit, the detection apparatus including: the current detection circuit which detects, for a plurality of reference current values different from each other, a flow of the reference current value having occurred in the circuit; and the control unit, in which the control unit measures, when the flow of the reference current value is detected to have occurred, a plurality of current values by the current measurement circuit, and detects the measurement characteristic of the current measurement circuit on the basis of the plurality of reference current values and the plurality of current values measured by the current measurement circuit.

BATTERY PACK TEST CONNECTOR

Resumen de: US20260079216A1

A battery pack test connector that is configured for testing battery packs by connecting to a terminal on the battery pack to conduct the testing. The battery pack test connector can be configured to perform electrical testing, vacuum/pressure leak testing, or both electrical testing and vacuum/pressure leak testing. The ability to perform both electrical testing and leak testing using the same, single test connector eliminates the need for separate test connectors, one for electrical testing and one for vacuum/pressure leak testing. The test connector may also include a removable and replaceable cartridge that includes electrical contacts, a vacuum/pressure leak test passageway, and a mechanical seal for conducting leak testing. The cartridge allows replacement of worn parts without replacing the entire test connector.

PORTABLE HEATER WITH INTERCHANGEABLE BATTERY

Resumen de: US20260078908A1

The present disclosure relates to portable forced air heaters and radiant heaters. Portable air forced air heaters include a blower, a blower housing, a burner disposed within the burner housing, a fuel tank in fluid communication with the burner, a fan pump and a battery connector. The battery connector of this disclosure allows for different batteries with different distinguishing features to be used.

HAND HOLDABLE LIGHT AND BATTERY HAVING SYMMETRICAL CONTACTS

Resumen de: US20260078896A1

A hand holdable light comprises: a light body having a cavity for receiving an electrical power source; a light source of the light body; an electrical power source that can be inserted into the cavity in more than one possible orientation; and the electrical power source further comprising electrical contacts positioned at one end of the electrical power source in a symmetrical pattern such that, for more than one orientation of insertion, the electrical power source provides electrical power to the light source.

FOLDED MEMBRANE CARRIER FOR BATTERY CASE VENTING

Resumen de: US20260081302A1

A venting unit for a battery case, the venting unit comprising a housing part delimiting a vent opening, and a membrane assembly spanning across the vent opening and comprising a membrane carrier comprising carrier segments and flow windows respectively disposed through the carrier segments, and membrane segments respectively covering the flow windows. Each adjacent pair of the carrier segments is folded against one another along a film hinge disposed therebetween.

MULTI-TIER BATTERY PACK HAVING AN INVERTED TIER OF CYLINDRICAL CELLS

Resumen de: US20260081299A1

A traction battery pack assembly includes a first tier of cylindrical battery cells; and a second tier of cylindrical battery cells. The second tier is inverted relative to the first tier. Another traction battery pack assembly includes an enclosure assembly providing an interior area; a first plurality of cylindrical battery cells disposed on a first tier within the interior area; a second plurality of cylindrical battery cells disposed on a second tier within the interior area; and a busbar assembly sandwiched between the first tier and the second tier. The busbar assembly has a first side contacting first terminals of the first plurality of cylindrical battery cells. The busbar assembly has an opposite, second side contacting second terminals of the second plurality of cylindrical battery cells. A polarity of the first terminals is the same as a polarity of the second terminals.

ELECTROCHEMICAL DEVICE PROVIDED WITH A SAFETY ARRANGEMENT FOR A POUCH CELL

Resumen de: US20260081298A1

An electrochemical device comprises device comprising at least one pouch cell and a safety arrangement is described. The safety arrangement comprises a holding structure and at least one pouch piercing element. The at least one pouch piercing element is held adjacent to a corresponding pouch cell by the holding structure with a piercing end facing the corresponding pouch cell. Each flexible pouch cell is attached to the holding structure and is expandable in at least one direction, and one of the directions is towards the corresponding piercing element so that the piercing element pierces the pouch cell at the piercing end.

EMBOSSED SEPARATORS

Resumen de: US20260081303A1

Battery separators comprising embossments are generally provided. The embossments may take the form of indentations formed in a surface of the battery separator, such as indentations formed by an embossing process. The embossments may comprise intersections with a first edge and a second edge of the battery separator, which may be the same or different.

ELECTRIC DEVICE AND METHOD OF MANUFACTURING SAME

Resumen de: US20260081308A1

Spring back is suppressed with a simple configuration. An electric device includes lead plate including bent segment bent along bend line, circuit board electrically connected to bent segment of lead plate, and holder that holds lead plate. Holder includes holder portions that lock part of upper surfaces of bent segments. Holder portion is configured to abut on and hold the part of the upper surface of bent segment while the holder portion opposes a direction of spring back caused by bent segment of lead plate being bent along bend line. Circuit board includes connection region electrically connected to lead plate. Bent segment is electrically connected to connection region.

SECONDARY BATTERY AND BATTERY ASSEMBLY

Resumen de: US20260081300A1

A battery assembly includes a case having an accommodation space therein, a plurality of cells in the accommodation space, the plurality of cells being arranged in a first direction, and an extinguishing tube in the accommodation space and extending along the first direction across the plurality of cells, the extinguishing tube being between two terminals exposed to outside of each of the plurality of cells, and the extinguishing tube being connectable to an extinguishing device.

METHOD FOR RECYCLING POSITIVE ELECTRODE MATERIAL

Resumen de: US20260078466A1

The present disclosure provides a new method capable of separating Li and Al from waste of at least a positive electrode. A method for recycling a positive electrode material according to the present disclosure includes bringing waste of at least a positive electrode containing Li and Al into contact with water under presence of pressurized CO2 to allow Li and Al to leach into the water.

METHOD FOR RECYCLING POSITIVE ELECTRODE MATERIAL

Nº publicación: US20260078465A1 19/03/2026

Solicitante:

PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc

Resumen de: US20260078465A1

The present disclosure provides a new method capable of efficiently collecting Ni, Co, and Mn from battery waste containing Ni, Co, and Mn. A method for recycling a positive electrode material according to the present disclosure includes: a Mn leaching step of leaching Mn into an aqueous phase by performing ammonia leaching on battery waste containing Ni, Co, and Mn under a condition that a Mn leaching rate is 70% or more, and a ratio of the Mn leaching rate is 65% or more with respect to a total of a Ni leaching rate, a Co leaching rate, and the Mn leaching rate; and a Ni and Co leaching step of leaching Ni and Co into an aqueous phase by performing ammonia leaching on a solid residue obtained in the Mn leaching step under a condition that a Mn leaching rate is less than 1%.