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BATTERY PACK

Absstract of: US2025253443A1

Disclosed herein relates to a battery pack, including: a battery module; a pack case including a the module area where the battery module is seated; and a top cover coupled to the pack case to cover a top part of the battery module seated in the pack case, wherein the pack case includes: a base plate supporting a lower part of the battery module; and a side wall coupled along a border of the base plate, wherein the base plate is thinner than the top cover.

SLURRY FOR NON-AQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY, AND MANUFACTURING METHOD OF NON-AQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY

Absstract of: US2025253350A1

Provided are a slurry for a non-aqueous electrolytic solution secondary battery, containing solid particles which contain an electrode active material and a conductive auxiliary agent, the solid particles being dispersed in a non-aqueous electrolytic solution, in which the non-aqueous electrolytic solution is obtained by dissolving a lithium salt and a polymer (I) in a non-aqueous solvent, the polymer has a weight-average molecular weight of 1,000 to 150,000, and a content of the polymer (I) in the non-aqueous electrolytic solution is 0.1% to 5.0% by mass; and a non-aqueous electrolytic solution secondary battery and a manufacturing method thereof, having the slurry as an electrode active material layer.

SUPPLY MODE

Absstract of: US2025253436A1

A supply module for a fluid circuit through which a cooling fluid is flowable, for immersion cooling of a battery of a vehicle, may include a fluid equalization tank for equalizing a change in volume of the cooling fluid in the fluid circuit, an air equalization tank for absorbing air, and a common housing for the fluid equalization tank and the air equalization tank. The fluid equalization tank may be connected to the air equalization tank in an air-conducting manner to equalize pressure differences caused by different fill levels of the cooling fluid in the fluid equalization tank. The fluid equalization tank and the air equalization tank may be formed in the housing and may be delimited outwardly by the housing.

ELECTRODE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME

Absstract of: US2025253309A1

An electrode for a secondary battery including a current collector, and at least one electrode material mixture layer on a surface of the current collector, the electrode material mixture layer including a negative electrode active material, a conductive agent, and a binder wherein, the electrode has a property such that in a regression curve obtained by regression analysis of shear strength data according to a cutting depth which are measured while obliquely cutting the electrode material mixture layer from a surface thereof until reaching the current collector using a surface and interfacial cutting analysis system (SAICAS), a ratio of a maximum value (σmax) to a minimum value (σmin) of shear strength is 1.7 or less.

MANUFACTURING METHOD OF ELECTRODE LAYER

Absstract of: US2025253305A1

Provided is a manufacturing method of an electrode layer, including a step A of measuring a surface shape of a transport member, a step B of placing a collector foil on the transport member after the surface shape is measured, and transporting the collector foil by moving the transport member, a step C of supplying, onto the transported collector foil, an electrode active material containing an electrode active material, a conductive auxiliary agent, and an electrolytic solution, and a step D of passing the electrode material supplied onto the collector foil through a gap formed between the transport member and a distal end of a film forming member which is disposed at a position spaced apart from a surface of the transport member to regulate a thickness of the electrode material and form an electrode material film, in which, in the step D, a disposing position of the film forming member is controlled based on measurement information of the surface shape of the transport member, which is obtained in the step A.

Rechargeable Battery

Absstract of: US2025253332A1

The present invention provides a rechargeable battery comprising a cathode comprising metal hexacyanometalate or hydrates thereof, or metal-doped metal hexacyanometalate or hydrates thereof, and glucose oxidase (GOx); and an anode comprising a self-reducing polymer. The present invention further provides a smart contact lens integrated with said rechargeable battery.

POSITIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Absstract of: US2025253329A1

A positive electrode plate includes a positive current collector and a positive electrode film layer. The positive electrode film layer is disposed on at least one surface of the positive current collector. The positive electrode film layer includes a first positive electrode film layer and a second positive electrode film layer. The first positive electrode film layer is located between the positive current collector and the second positive electrode film layer. The first positive electrode film layer includes a first positive active material. A specific surface area of the first positive active material is 12 m2/g to 16 m2/g. The second positive electrode film layer includes a second positive active material. A specific surface area of the second positive active material is 6 m2/g to 19 m2/g.

NEGATIVE ELECTRODE ACTIVE MATERIAL, MANUFACTURING METHOD OF NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPOSITION, NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE

Absstract of: US2025253324A1

A negative electrode active material includes a silicon-based active material having a crystal grain size of about 300 nm or less. The silicon-based active material has a value of about 2.00 or less as defined by Equation 1 below. The silicon-based active material includes SiOx (x=0) and at least one selected from SiOx (0

Verfahren zum paarweise Testen von zumindest zwei Batteriestacks

Absstract of: DE102024102940A1

Die Erfindung betrifft ein Scannersystem zum paarweise Testen von zumindest zwei Batteriestacks. Das Scannersystem umfasst eine Zuführlinie zum Zuführen von zumindest zwei Batteriestacks in einen X-Ray-Scanner zum Durchführen zumindest einer Bildaufnahme. Die Bildaufnahme zeigt einen Bildaufnahmebereich. Vor dem X-Ray-Scanner ist ein erster Manipulator zum Verfahren des ersten Batteriestacks oder des zweiten Batteriestacks angeordnet. Nach dem X-Ray-Scanner ist ein zweiter Manipulator zum Verfahren des ersten Batteriestacks oder des zweiten Batteriestacks angeordnet. Durch die Manipulatoren können der erste Batteriestack sowie der zweite Batteriestack im Bildaufnahmebereich des X-Ray-Scanners positioniert werden. Das Scannersystem umfasst eine Entnahmelinie zum Abfahren von zumindest einem der zumindest zwei Batteriestacks. Die Zuführlinie umfasst einen ersten Drehtisch und die Entnahmelinie umfasst einen zweiten Drehtisch. Die Drehtische sind dazu ausgebildet, den ersten Batteriestack, alternativ oder ergänzend den zweiten Batteriestack zu drehen.

NON-AQUEOUS ORGANIC HIGH-VOLTAGE ELECTROLYTE AND LITHIUM-ION BATTERY COMPRISING SAME

Absstract of: WO2025161107A1

A non-aqueous organic high-voltage electrolyte and a lithium-ion battery comprising same. The non-aqueous organic high-voltage electrolyte comprises a lithium salt and a non-aqueous organic solvent. The non-aqueous organic solvent comprises a sulfolane derivative and a diluent, and the sulfolane derivative has the structure shown in formula (1). The non-aqueous organic high-voltage electrolyte exhibits high-voltage resistance, so that lithium-ion batteries using the electrolyte have excellent high-voltage cycle performance. The electrolyte is compatible with all currently known high-voltage positive electrode active materials and has flame-retardant properties, preventing potential combustion risks of the electrolyte while ensuring stable high-voltage charge-discharge cycling.

SYSTEM, METHOD, AND APPARATUS FOR DETECTING FOLDING FAULT OF SECONDARY BATTERY

Absstract of: US2025251348A1

The present disclosure provides a system, method and apparatus for detecting a folding fault in a secondary battery. A method according to an embodiment of the present disclosure may include: measuring a height of a folding part and a height of a pouch case of the secondary battery being transferred by a transfer apparatus for each designated section using a laser scanner; checking whether there is a section where the height of the folding part is greater than the height of the pouch case, provided that a height difference therebetween is a designated reference value or more; and if there is a section where the height difference is the designated reference value or more, determining that the folding fault has occurred.

SYSTEMS AND METHODS FOR DETECTING AND MITIGATING INTERMITTENT CONNECTIONS IN A BATTERY ENERGY STORAGE SYSTEM

Absstract of: US2025251469A1

Systems and methods for detecting intermittent connections in a battery energy storage system (BESS) subsystem are disclosed. For each battery rack in the BESS subsystem, current time series data is received. A current rolling average is determined for each data point of the time series data by averaging current values of timestamps over a specified time interval. A current delta is determined for each data point, where the current delta is a difference between the current rolling average associated with the battery rack under analysis and a mean of the current rolling averages associated with the other battery racks in the BESS subsystem. A distribution profile of the current deltas is analyzed to detect a current anomaly at the respective battery rack. In response to detecting the current anomaly at the battery rack under analysis, an alert indicative of a faulty connection is displayed on a user interface.

METHOD, APPARATUS, MEDIUM AND ELECTRONIC DEVICE FOR IDENTIFYING DEGRADATION DEGREE OF BATTERY

Absstract of: US2025251460A1

A method, apparatus, medium and electronic device for identifying degradation degree of battery. The method includes: acquiring battery data corresponding to a current cycle count, wherein the battery data comprise battery capacities and battery voltages of the battery; acquiring, based on the battery capacities and the battery voltages, capacity differences corresponding to the battery voltages; acquiring, based on the battery voltages and the capacity differences, a surge set of the capacity differences and a voltage set corresponding to the surge set; and identifying a degree of the battery degradation based on the surge set and the voltage set, to obtain an identification result related to the current cycle count. The method can identify the degree of battery degradation without applying other specialized testing equipment, thereby reducing the cost of identifying the degree of degradation, thereby simplifying the process.

MANUFACTURING LINE, PROCESS, AND SINTERED ARTICLE

Absstract of: US2025251190A1

A method of manufacturing ceramic tape includes a step of directing a tape of partially-sintered ceramic into a furnace. The tape is partially-sintered such that grains of the ceramic are fused to one another yet the tape still includes at least 10% porosity by volume, where the porosity refers to volume of the tape unoccupied by the ceramic. The method further includes steps of conveying the tape through the furnace and further sintering the tape as the tape is conveyed through the furnace. The porosity of the tape decreases during the further sintering step.

METHOD FOR DIRECTLY HEATING AT LEAST ONE ENERGY STORAGE MODULE

Absstract of: US2025254757A1

The invention relates to a method for directly heating at least one energy storage module with a multilevel converter system, in which a multiplicity of energy storage modules and transistors are provided, wherein each energy storage module can be connected in parallel or in series with the respective adjacent energy storage module, and the energy storage modules, preferably the transistors, are switched in such a manner that at least 10 one energy storage module is heated, wherein at least one transistor has a switching frequency of at least 1 Hz.

BATTERY AND ELECTRIC APPARATUS

Absstract of: US2025253431A1

A battery and an electric apparatus are disclosed. The battery includes: a housing having an accommodating space; battery units in the accommodating space. The battery unit includes a plurality of battery cells disposed side by side along a first direction, and the plurality of battery units are disposed side by side along a second direction. At least two battery cells in the plurality of battery units have different chemical systems. A thermal management assembly is disposed in the accommodating space, where the thermal management assembly includes a heat exchange plate that is disposed on at least one side of the battery units in the second direction, the heat exchange plate is connected to the plurality of battery cells of the battery units, and the heat exchange plate is configured to accommodate a heat exchange medium to adjust temperature of the plurality of battery cells of the battery units.

RECHARGEABLE BATTERY AND BATTERY MODULE

Absstract of: US2025253430A1

A rechargeable battery includes a wound-type electrode assembly, a heat pipe, a can, and a cap plate. The heat pipe is disposed inside of the electrode assembly at a distance from a wound center of the electrode assembly, and the heat pipe surrounds the wound center. The can includes an internal space in which the electrode assembly and the heat pipe are positioned. The cap plate is coupled to an end of an opening of the can to close and seal the can, the cap plate is connected heat pipe, and the cap plate is configured to provide dissipation of heat from the heat pipe.

LITHIUM SUPPLEMENTING ADDITIVE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Absstract of: US2025253346A1

The present application discloses a lithium-supplementing additive, a preparation method therefor, and an application thereof. The lithium-supplementing additive includes a core body and a functional encapsulation layer covering the core body. The core body includes a lithium-supplementing material, and the lithium-supplementing material is a lithium-containing material having a unidirectional capacity, in which lithium ions are deintercalated during a first charge and free from intercalation during a discharge. Based on the lithium-supplementing material having a unidirectional capacity included in the lithium-supplementing additive of the present application, and lithium ions can be effectively deintercalated during the first charge and prevented from being intercalated into the lithium-supplementing material again during the discharge, therefore, the lithium-supplementing effect of the lithium-supplementing additive provided by the present application is ensured, and the initial efficiency and the overall electrochemical performance of a battery containing the lithium-supplementing additive is improved.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Absstract of: US2025253347A1

Disclosed is anon-aqueous electrolyte secondary battery including: a positive electrode; a negative electrode; and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode current collector and a positive electrode active material layer supported on the positive electrode current collector, the positive electrode active material layer contains active material particles, a binder, and a first organic phosphorus compound, a content Cpn of the first organic phosphorus compound in the positive electrode active material layer is 0.1 mass % or more and 5 mass % or less, and the non-aqueous electrolyte contains a non-aqueous solvent, an electrolyte salt, and a second organic phosphorus compound.

ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Absstract of: US2025253321A1

Disclosed is an anode including an anode current collector, and an anode active material layer which is disposed on at least one surface of the anode current collector and has a multilayer structure comprising a first anode active material layer and a second anode active material layer. At least one of the first anode active material layer and the second anode active material layer includes a first metal-doped first silicon-based active material, and a doping amount of the first metal is 1.5% by weight to 8% by weight based on a total weight of the first silicon-based active material.

CATHODE ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY WITH NOVEL COMPOSITION

Absstract of: US2025253318A1

Provided is a cathode active material for lithium secondary batteries, featuring a core component with a coating part comprising lithium oxide. The lithium oxide includes lithium, a first element, and a second element substituting part of the first element. The first element can be boron (B), aluminum (Al), gallium (Ga), niobium (Nb), protactinium (Pa), or tantalum (Ta). The cathode active material demonstrates improved electrochemical stability and interfacial properties, with specified reduction and oxidation potentials. The lithium secondary battery comprises this cathode, an anode, and a solid electrolyte layer interposed between them. The core component may consist of lithium transition metal oxide in the form of secondary particles aggregating primary particles, providing enhanced performance. The solid electrolyte may be sulfide-based with an argyrodite crystal structure. The battery also includes a conductive material and a binder for improved functionality and stability.

BRACKET ASSEMBLY, BATTERY RACK AND ENERGY STORAGE CONTAINER

Absstract of: US2025253474A1

A bracket assembly, a battery rack and an energy storage container are provided. The battery rack main body is provided with multiple layers of battery storage areas for placing battery packs. The bracket assembly includes a plurality of first brackets configured to support and fix the battery packs. Each of the battery storage areas is mounted with a plurality of the first brackets. The plurality of the first brackets in the same battery storage area are arranged in multiple columns and multiple rows. Two adjacent first brackets in the same row are arranged in a staggered manner, so that two adjacent battery packs in the same row are arranged in a staggered manner.

FeSe2 AND N, S DOPED CARBON SPHERE MICRO FLOWER COMPOSITE AS A HIGH-PERFORMANCE ANODE MATERIAL FOR LITHIUM-ION BATTERY

Absstract of: US2025253320A1

The present invention relates to an anodic material for use in lithium ion battery (LIB) comprising of FeSe2 and its carbon composite with N, S doped porous carbon spheres (PNSCS) which can be synthesised by hydrothermal route using iron ammonium sulphate, selenium powder and citric acid as precursors and used as an anode for LIB. Further, the invention provides a process for synthesizing the said FeSe2 a PNSCS micro-flower composite by simple hydrothermal route.

ALL-SOLID-STATE BATTERY INCLUDING A COPPER CURRENT COLLECTOR

Absstract of: US2025253353A1

Disclosed is an all-solid-state comprising: an anode current collector; a first coating layer disposed on the anode current collector and comprising a first anode active material, a first conductive material, and a first binder; a second coating layer disposed on the first coating layer and comprising a second anode active material, a second conductive material, a solid electrolyte, and a second binder; a solid electrolyte layer disposed on the second coating layer; a cathode layer disposed on the solid electrolyte layer; and a cathode current collector disposed on the cathode layer.

Batteriekühlstruktur, Batteriezelle, Batteriemodul sowie eine Hochvoltbatterie

Nº publicación: DE102024103096A1 07/08/2025

Applicant:

PORSCHE AG [DE]
Dr. Ing. h.c. F. Porsche Aktiengesellschaft