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BATTERY CELL, BATTERY, ELECTRIC DEVICE, AND ENERGY STORAGE APPARATUS

Resumen de: US20260331656A1

0000 The battery cell includes a housing that includes a housing body and an end cover. The housing body includes a first wall that includes a first opening portion and a first body portion sequentially arranged along a first direction. The first direction is parallel to a thickness direction of the end cover. The first opening portion is closer to the opening than the first body portion. The first opening portion includes a plurality of first thickened regions and at least one first transition region. The plurality of first thickened regions are spaced apart along a circumferential direction of the opening. Two adjacent first thickened regions are connected to each other. A maximum thickness of the first thickened region is greater than a thickness of the first body portion, and the maximum thickness of the first thickened region is greater than a thickness of the first transition region.

All-Solid-State Lithium-Ion Secondary Battery and Method for Producing Same

Resumen de: US20260331599A1

0000 The present invention addresses the problem of providing an all-solid-state lithium-ion secondary battery that has excellent charging/discharging characteristics. 0000 The present invention includes at least a negative electrode layer, a separator layer, and a positive electrode layer. The negative electrode layer contains a negative electrode active substance which includes graphite. The separator layer is made of an oxide solid electrolyte. A resistance reduction layer is formed between the negative electrode layer and the separator layer, and the resistance reduction layer is made of a lithium alloy. Alternatively, the present invention includes a substance with which a lithium alloy is formed as a result of a secondary battery operation in which current flows between the negative electrode layer and the positive electrode layer.

3D STRUCTURED ELECTRODES FOR ELECTROCHEMICAL CELLS

Resumen de: US20260331462A1

0000 Described herein are, among other things, structured cathodes for use in electrochemical cells (e.g., batteries). In some embodiments, a structured cathode includes at least one electrochemically active material included in a patterned film. The film may be disposed on a substrate (e.g., current collector) or may be free standing. The film has at least one patterned surface, for example has recesses extending into the film. A patterned film may be porous. A patterned film may be made of an assembly of particles including an electrochemically active material. Recesses may include holes or trenches or a combination thereof. Recesses may be formed by removing material from an initial film, such as with laser ablation. Recesses may extend only partially into or entirely through a film. Recesses may be interconnected or separate. Recesses may be disposed regularly or irregularly across a patterned surface. Recesses may be at least partially filled with electrolyte.

DEVICE FOR THE ACOUSTIC TREATMENT OF A VENTILATION SYSTEM

Resumen de: US20260326535A1

An acoustic treatment device for a cooling system of a vehicle is disclosed herein. The acoustic treatment device is configured to be fitted to a cooling system of a vehicle and includes at least one wall which delimits a duct for the circulation of an air flow. The acoustic treatment device includes at least one array of resonators formed by one or more rows of resonators arranged around the duct perpendicular to an axis of elongation of the duct. Each resonator of a row of resonators includes at least one cavity arranged in the wall and a neck connecting the cavity to the duct. For a given dimension of the cavity or of the neck, at least one resonator of the row of resonators has a value that is different from the value of the corresponding dimension of the other resonators of the row.

BATTERY PACK THERMAL RUNAWAY FLUE GAS TREATMENT SYSTEM AND BATTERY PACK

Resumen de: US20260331700A1

Provided are a battery pack thermal runaway flue gas treatment system and a battery pack, which mainly solve the problem of the high cost of an existing battery thermal runaway flue gas treatment method. The battery pack thermal runaway flue gas treatment system comprises a thermal runaway flue gas treatment assembly, wherein the thermal runaway flue gas treatment assembly comprises a pressure relief pipe and an exhaust pipe; one end of the pressure relief pipe communicates with an explosion vent of a battery, and the other end of the pressure relief pipe is connected with the exhaust pipe; one end of the exhaust pipe that is disposed within a box body is connected with the pressure relief pipe. Each component of the system has a simple structure, and the cost of the system is very low.

CHASSIS WITH STRUCTURAL BATTERY COMPARTMENT

Resumen de: US20260326530A1

0000 An electrified vehicle includes a chassis, a body, and a cab. The chassis is configured to support a tractive element and includes a front axle, a rear axle, and a battery box. The battery box includes a first portion disposed between the front axle and the rear axle. The battery box includes a second portion disposed above the rear axle. The battery box also includes a suspension hard point configured to enable relative movement between at least a portion of the body and the tractive element. The battery box is configured to receive module and to transfer energy from the module to a plurality of components of the electrified vehicle.

Method for Clamping an Electrode Assembly Into a Housing of a Battery Cell, Battery Cell, Computer Program and Computer Readable Storage Medium

Resumen de: US20260331560A1

An electrode assembly arranged in the housing of the battery cell includes: a first contact foil on a first side of a solid electrolyte, a second contact foil on a second side of the solid electrolyte, and a first electrode layer between the solid electrolyte and the first contact foil. The electrode assembly is charged by applying a first voltage to the contact foils such that ions are deposited from the first electrode layer onto the second contact foil to form a second electrode layer between the second contact foil and the solid electrolyte. A cut-off voltage is set at which the second electrode layer is maintained between the second contact foil and the solid electrolyte in order to set a minimum pressure in the battery cell.

Electrically Driven Work Machine

Resumen de: US20260327946A1

0000 Provided is an electrically driven work machine capable of increasing estimation accuracy of a remaining charge time or a remaining discharge time of a secondary battery. An electrically driven excavator includes a secondary battery, a battery management unit, and a vehicle control unit. The vehicle control unit predicts a transition of a temperature of the secondary battery on the basis of the temperature and a state of charge of the secondary battery detected by the battery management unit, predicts a transition of a current of the secondary battery on the basis of the predicted transition of the temperature of the secondary battery, and estimates the remaining charge time or the remaining discharge time of the secondary battery on the basis of the predicted transition of the current of the secondary battery.

ELECTRIC DEVICE

Resumen de: US20260332014A1

0000 An electric device includes: an electromagnetic induction coil; an elastic body containing a magnetized magnetic powder and configured to generate a magnetic field passing through the electromagnetic induction coil and to change a magnetic flux density of the magnetic field when elastically deformed by receiving an external force; a rectifier unit configured to rectify an induced current induced in the electromagnetic induction coil by a change in the magnetic flux density; a load unit configured to operate by receiving the induced current from the rectifier unit; and a case accommodating the electromagnetic induction coil and the elastic body and being extensible and contractible together with the elastic body.

METHOD FOR PRODUCING ALKALI SULFONYL IMIDE SALTS

Resumen de: US20260327074A1

The present invention relates to a method for producing a salt of bis(chlorosulfonyl)imide (HCSI salt), which is economically feasible at industrial scale and which provides a high-purity product. The present invention also provides a method for producing a lithium salt of bis(fluorosulfonyl)imide (LiFSI), wherein said HCSI salt is used as an intermediate compound.

METHOD FOR RECOVERING VALUABLE METALS

Resumen de: US20260331615A1

0000 Provided is a method capable of suppressing generation of dust during handling of a mixed powder of positive electrode active material and negative electrode active material, which is the raw material to be processed in the method for recovering valuable metals, and reducing recovery loss of valuable metals due to carry over that occurs when processing the mixed powder. The present invention is a method for recovering valuable metals, wherein the method includes a preparation step that prepares a raw material containing waste lithium-ion batteries, and a granulated material is prepared from a mixed powder in the preparation step by implementing a preliminary kneading step that adds water to a mixed powder containing the positive electrode active materials and the negative electrode active materials that constitute the waste lithium-ion batteries and preliminarily kneads the mixture and a granulation step that further kneads and granulates the preliminarily kneaded material.

METHOD OF PRODUCING ELECTRODE

Resumen de: US20260331456A1

A method of producing an electrode capable of suppressing occurrence of electrode peeling and improving a production yield during vacuum-drying which is a producing step of an electrode. A method of producing an electrode includes a step (S1) of kneading an electrode active material, a conductive auxiliary agent, and a binder to obtain a slurry, a step (S2) of applying the slurry onto a substrate, and a step (S3) of vacuum-drying the applied slurry, in which the kneading is performed by a heating and stirring treatment at 150 °C or higher and 200 °C or lower and a defoaming and stirring treatment.

LITHIUM-NICKEL COMPOSITE OXIDE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: US20260331488A1

0000 A lithium nickel composite oxide cathode material, wherein under observation of a cross section thereof through scanning electron microscopy, the cross section of the lithium nickel composite oxide cathode material is divided into four parts by dividing a radius of the cross section into four equal-length parts, a porosity of each part as measured is in a range from 3% to 8%, and a total porosity of the cross section is in a range from 3% to 8%. A preparation method thereof includes mixing a hydroxide of nickel, cobalt, and manganese with a sulfate containing M and multi-period, low-temperature pre-sintering to obtain a pre-sintered precursor; mixing a lithium source with the pre-sintered precursor and high-temperature sintering to obtain a first sintered matrix; washing the first sintered matrix with deionized water, drying, then mixing with a coating agent and sintering to obtain the lithium nickel composite oxide cathode material.

HEAT EXCHANGE PANEL

Resumen de: US20260328495A1

A heat exchange assembly comprising: (I) two or more panels; (II) a plurality of channels formed between the two or more panels; and (III) one or more reservoirs located adjacent to the plurality of channels and configured to at least temporarily store a temperature control material, wherein the plurality of channels are configured to direct a flow path of the temperature control material between the two or more panels and provide structural rigidity to the assembly.

BATTERY PACK

Resumen de: US20260331613A1

0000 A battery pack includes a plurality of battery cells; a cell holder surrounding an accommodation space in which the plurality of battery cells are accommodated, the cell holder including a hollow protrusion located at a temperature detection position for temperature measurement of the plurality of battery cells; a cover on the cell holder and including an exposure hole to expose the hollow protrusion; and a thermistor accommodated in the hollow protrusion through the exposure hole. The battery pack may provide a module with various outputs and capacities, by using battery packs having the same structure as one unit and connecting a plurality of battery packs to each other, and may provide scalability to adaptively correspond to various outputs and capacities using the battery packs having the same structure, by increasing or reducing the number of battery packs to be included in the module.

CELL ASSEMBLY AND BATTERY MODULE INCLUDING THE SAME, AND BATTERY PACK

Resumen de: US20260331679A1

0000 A cell assembly in which a plurality of battery cells are automatically aligned, a battery module comprising the cell assembly, and a battery pack comprising the battery module are provided. The cell assembly comprises the battery cells having magnets printed on surfaces thereof such that the battery cells are automatically aligned, the cells are prevented from being non-uniformly attached during the alignment, and physical positions of the battery cells are correctly located, thereby improving stacking workability.

BATTERY STATE INFORMATION PROVIDING APPARATUS AND OPERATION METHOD THEREOF

Resumen de: US20260326613A1

0000 A battery state information providing apparatus may include a generator configured to generate experimental profiles and a driving profile based on experimental life indexes and driving life indexes, a comparator configured to compare the experimental profiles and the driving profile to determine an evaluation profile among the experimental profiles, and an evaluator configured to determine state information on a target battery pack based on the evaluation profile and a target life index. In addition, the target life index may be a driving life index of a vehicle including the target battery pack.

LITHIUM NICKEL OXIDE CATHODE MATERIAL AND PREPARATION METHOD THEREFORE AND USE THEREOF

Resumen de: US20260331483A1

A lithium nickel oxide cathode material, a preparation method therefore and use thereof is provided. The cathode material has a chemical formula of Li1+xNi1−xO2, wherein 0.025≤x≤0.08; a crystal structure is an α-NaFeO2 type hexagonal layered structure with a space group of R-3m. Li that is surplus to the stoichiometric ratio of Ni occupies octahedral voids in a Ni layer and is randomly distributed in the octahedral voids. The preparation method includes the following steps: (1) reacting a nickel source and a lithium source with oxygen in the presence of a molten salt additive to obtain a product comprising lithium nickel oxide; and (2) purifying the product comprising lithium nickel oxide to obtain a powder comprising lithium nickel oxide, and placing the powder in an oxygen environment to obtain the lithium nickel oxide cathode material. The cathode material has high energy density, excellent cycle stability and excellent thermal stability.

SECONDARY BATTERY AND ASSEMBLED BATTERY

Resumen de: US20260331714A1

According to the present disclosure, the thermal deterioration of metal junction parts formed on a contact interface of constitution members of electrode terminals is suppressed. The electrode terminal of the secondary battery disclosed herein includes a first member having a plate-shaped connection part and a plate-shaped second member connected to the connection part of the first member in a surface-contact manner. Then, the technique disclosed herein includes a metal junction part and a heat-insulating part formed on a contact interface between a connection part of the first member and the second member, and the heat-insulating part is formed outward of the metal junction part in a radial direction centered on the metal junction part. Due to this constitution, the heat-insulating part can block great heat even when such a great heat is applied to a region outside the heat-insulating part, and therefore, the heat deterioration of the metal junction part can be suppressed.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

Resumen de: US20260331626A1

0000 A battery module and a battery pack including the same are provided. The battery module comprises a battery cell stack in which a plurality of battery cells including electrode leads are stacked; a first sensing block and a second sensing block configured to respectively cover a front side and a rear side of the battery cell stack from which the electrode leads protrude; and an elastic member configured to cover the first sensing block, the second sensing block, and two opposite lateral sides of the battery cell stack.

BATTERY PACK INCLUDING DIFFERENT TYPES OF BATTERY CELLS

Resumen de: US20260331624A1

0000 A battery pack includes a first battery module including a plurality of first battery cells; a second battery module including a plurality of second battery cells; a pack housing including an accommodation part in which the first battery module and the second battery module are accommodated together; a partition part that defines an inner wall of the accommodation part; and a pack battery management system (BMS) that controls available capacity of the first battery module and available capacity of the second battery module to be the same as or similar to each other, where the first battery module is cooled by the second battery module.

METHOD OF MANUFACTURING ELECTRODE ASSEMBLY HAVING IMPROVED PROCESSABILITY AND ELECTRODE ASSEMBLY MANUFACTURED BY USING THE SAME

Resumen de: US20260331587A1

0000 A method of manufacturing an electrode assembly and the electrode assembly prepared by the same are provided. The method includes: unwinding a positive electrode sheet, a separator sheet and an negative electrode sheet from respective roll members; forming a laminate by passing the unwound positive electrode sheet, separator sheet, and negative electrode sheet between a pair of guide rolls; and punching the laminate including the positive electrode sheet, the separator sheet, and the negative electrode sheet, wherein each of the positive electrode sheet and the negative electrode sheet is alternately coated with an active material and a non-conductive material based on a driving direction of the guide rolls, and wherein a portion coated with the non-conductive material is punched in the step of punching the laminate.

SMART BATTERY MANUFACTURING METHOD

Resumen de: US20260331597A1

0000 A method for assembling a battery is described. The battery has a case, a post assembly, a plurality of battery cells, and a first cover. The post assembly includes a plurality of posts. The first cover has a first plurality of openings. The method includes assembling the case, the post assembly, and the plurality of battery cells. The assembling includes coupling the post assembly to the plurality of battery cells by coupling each post of the plurality of posts to a corresponding battery cell of the plurality of battery cells and inserting the plurality of battery cells and the post assembly in the case. The method further includes coupling the first cover to the case. At least one post of the plurality of posts protrudes through at least one opening of the first plurality of openings and extends from the first cover.

ANODE MATERIAL, PREPARATION METHOD THEREOF AND LITHIUM-ION BATTERY

Resumen de: US20260331474A1

Provided is an anode material, a preparation method thereof and a lithium-ion battery. The anode material includes an active material including Si, O and metal M, where the metal M includes Mg, Ca and Cu. In the anode material, a mass content of Mg is mMg, a mass content of Ca is mCa, and a mass content of Cu is mCu, where 0

BATTERY MODULE CONTAINER PROVIDED WITH A COOLING SYSTEM, ELECTRIC POWER STORAGE SYSTEM, AND ASSOCIATED METHOD

Nº publicación: US20260331618A1 22/10/2026

Solicitante:

SAFT [FR]
SAFT

Resumen de: US20260331618A1

The invention relates to a container which comprises a system for diffusing cooled air to each battery module, the diffusion system comprising a device for generating cooled air. The cooled air diffusion system comprises at least two horizontal tubes for transporting the cooled air to the battery modules delimiting therebetween an intermediate space, each horizontal tube having a plurality of cooled air diffusion openings intended to open facing successive battery modules placed along the horizontal tubes. The cooled air diffusion system comprises at least one vertical plenum connected to the cooled air generating device and to the horizontal tubes for distributing the cooled air in the horizontal tubes.