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Battery Material and Manufacturing Method Therefor, and Secondary Battery

Resumen de: US2025174653A1

Battery materials and manufacturing methods therefor, and secondary batteries. The molecular general formula of the battery material may include A3V2-xEx(P1-yLyO4)3, wherein the element E represents a doping element that replaces the element V, and comprises at least one of a transition metal element, a rare earth element, Mg, and Sr; the element L represents a doping element that replaces the element P, and comprises at least one of B, Al, Ga, Si, Ge, and Sn; the element A represents an alkali metal element; 0≤x≤1 and 0

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME

Resumen de: US2025174651A1

The present disclosure relates to a non-aqueous electrolyte secondary battery, wherein a positive electrode active material layer includes a positive electrode active material represented by a formula (1), and when a specific surface area of a negative electrode active material layer is represented by S, an average boron content of boron in the negative electrode active material layer is represented by M1 (mass %), and a boron content in a central portion of the negative electrode active material layer is represented by M2 (mass %), (a) M1/S≤0.1 and (b) M2≥0.05 are satisfied.

METHOD FOR ASSEMBLING AN ELECTRIC BATTERY

Resumen de: US2025174784A1

A method for assembling an electric battery comprises providing a hollow container having a side wall and a bottom wall defining an inner cavity, providing an upper portion of the hollow container opposite said bottom wall, providing an insert of electrically conductive material comprising a connection portion, providing a lid comprising a peripheral portion, inserting an electrochemical cell into the inner cavity, mechanically and electrically connecting the insert to an anode of said electrochemical cell. It is further provided for placing the connection portion in electrical contact with the upper portion of the hollow container, placing the peripheral portion of the lid in contact with the connection portion, mechanically joining the connection portion, the upper portion of the hollow container and the peripheral portion of the lid and putting the peripheral portion of the lid in electrical contact with the upper portion of the hollow container.

ELECTROACTIVE COMPOSITE PARTICLES

Resumen de: US2025174631A1

This invention relates to a particulate material consisting of a plurality of composite particles comprising a porous particle framework and a plurality of nanoscale elemental silicon domains located within the pores of the porous particle framework. The porous particle framework comprises micropores and mesopores, wherein the total volume of micropores and mesopores in the porous particle framework as measured by gas adsorption is from 0.5 to 1.8 cm3/g. The composite particles comprise from 30 to 70 wt % silicon, wherein at least 30 wt % of the silicon is surface silicon as determined by thermogravimetric analysis (TGA); no more than 1.2 wt % of hydrogen; and have a weight ratio of oxygen to silicon of no more than 0.15. The BET surface area of the composite particles is no more than 40 m2/g.

METHOD TO REDUCE THE RISK OF EXPLOSION OF A BATTERY FOR A MOBILE ROBOT

Resumen de: US2025174750A1

The invention refers to a method to reduce the risk of explosion of a battery (1) of a mobile robot. The mobile robot (2) comprises a battery housing (10), a first sensor adapted to measure a first environmental parameter of the battery housing (10), and a safety unit adapted to receive first sensor data of the first environmental parameter measured by the first sensor. The method comprises the steps of monitoring the first sensor data measured by the first sensor by means of the safety unit and starting to run a safety measure by the safety unit, wherein the safety measure comprises a step of returning, by the robot (2), to a safety zone if the first sensor data deviates from a predetermined data range of the first sensor data.

Lithium Secondary Battery and Manufacturing Method of Lithium Secondary Battery

Resumen de: US2025174774A1

A lithium secondary battery includes: a positive electrode film into which lithium ions can be inserted and from which lithium ions can be eliminated; a negative electrode film that is any one of a negative electrode film of lithium, a negative electrode film made of a material capable of forming an alloy with lithium, and a negative electrode film into which lithium ions can be inserted and from which lithium ions can be eliminated; a transparent and solid electrolyte film that is located between the positive electrode film and the negative electrode film and has lithium ion conductivity; and two transparent substrates sandwiching, between transparent conductive films formed on respective surfaces of the transparent substrates, the positive electrode film and the negative electrode film having the electrolyte film therebetween.

Apparatus and Method for Sealing Electrode Assembly

Resumen de: US2025174703A1

An apparatus for sealing an electrode assembly according to an embodiment includes a pressing part and a moving part. The pressing part includes a pressing surface parallel to a cut corner of an electrode plate to apply a pressure to a plurality of separators, and the moving part allows the pressing part to move toward the electrode assembly. The apparatus for sealing the electrode assembly may minimize bending and cracking of an electrode, which occurs during the sealing process, and may improve process accuracy by more accurately performing the sealing process. A method using the same is also provided.

LITHIUM-SULFUR BATTERIES AND ASSOCIATED ELECTROLYTES

Resumen de: US2025174727A1

A lithium-sulfur battery including an anode, a cathode, a separator, and an electrolyte dispersed throughout the lithium-sulfur battery. The electrolytes may include fluorinated ether electrolytes. A porous cathode may include multiple non-hollow carbon spherical (NHCS) particles joined together to form agglomerates. Interconnected channels defined in shape by the NHCS particles may be joined to each other and the pores, where some interconnected channels may be pre-loaded with an elemental sulfur and retain polysulfides (PS). Retention of the polysulfides may be based on some NHCS particles.

BUTTON CELLS AND METHOD OF PRODUCING SAME

Resumen de: US2025174702A1

A button cell includes a housing having a cell cup with a flat bottom area and having a cell top with a flat top area. The button cell also includes an electrode-separator assembly winding disposed within the housing. The electrode-separator assembly winding includes a multi-layer assembly that is wound in a spiral shape about an axis. The multi-layer assembly includes a positive electrode formed from a first current collector coated with a first electrode material, a negative electrode formed from a second current collector coated with a second electrode material, and a separator disposed between the positive electrode and the negative electrode. The cell cup casing and the cell top casing are radially overlapping along an overlap area that extends in an axial direction, and an interference fit is formed between the cell cup casing and the cell top casing in the overlap area.

SOLID ELECTROLYTE WITH MODIFIED LAYER AND PREPARATION METHOD THEREOF

Resumen de: US2025174737A1

The disclosure relates to a solid electrolyte with a modified layer comprises: a solid electrolyte and a modified layer coated on the solid electrolyte. The solid electrolyte and the modified layer are connected by hydrogen bonds. The modified layer comprises an acid-treated carbon matrix and silver nanoparticles modified thereon. A method for preparing a solid electrolyte with a modified layer comprises: treating a carbon matrix with an acid, modifying silver nanoparticles on the acid-treated carbon matrix to obtain the silver nanoparticles modified on the acid-treated carbon matrix (Ag NPs@CNTs), mixing the Ag NPs@CNTs in suspension and coating them on a solid electrolyte, and drying and annealing the solid electrolyte to obtain the solid electrolyte with a modified layer.

POWER STORAGE DEVICE AND POWER STORAGE DEVICE COOLING STRUCTURE

Resumen de: US2025174751A1

A battery 1 includes an electrode body and a metal case housing this electrode body. The case has a case outer surface exposed outside. The case outer surface includes a heat release part that faces a cooling surface of a cooler and dissipates heat toward the cooling surface via a thermally-conductive material. The heat release part of the case outer surface includes an area-increase portion formed with numerous protrusions and numerous pits by an area increasing treatment, increasing the specific surface area.

ELECTROCHEMICAL CELLS AND ELECTROLYTE COMPOSITIONS THEREFOR

Resumen de: US2025174736A1

Electrochemical cells and electrolyte compositions therefor. Such an electrolyte composition includes lithium bifluorosulphonyl imide (LiFSI) dissolved in cyclopentyl methyl ether (CPME) solvent. The electrolyte composition has an anion-derived solvation structure that can form a lithium fluoride (LiF) layer on an anode of an electrochemical cell. The anion-derived solvation structure may reduce the covalent bond strength between the Li cations and FSI anions.

BATTERY PACK

Resumen de: US2025174754A1

The disclosure provides a battery pack including a box body, a battery module, a cells contact system, and multiple heat-conducting portions. The box body is provided with an accommodating cavity; the battery module is disposed in the accommodating cavity; the cells contact system is disposed in the accommodating cavity and connected to the battery module; the cells contact system includes multiple busbars and multiple insulating brackets, and the multiple insulating brackets are arranged at intervals; and each of the insulating brackets is provided with one or more snap slot portions recessed towards a first direction, and the busbars are disposed in the one or more snap slot portions; and the heat-conducting portions are disposed in the one or more snap slot portions and connected to a side of the busbars away from the battery module.

BUSBAR MODULE

Resumen de: US2025174840A1

A busbar module to be attached to a battery assembly includes: a first circuit body having a first wiring pattern; a second circuit body having a second wiring pattern; and an electronic component attached to first and second branch line portions to connect the first and second wiring patterns and busbars. The first and second wiring patterns are electrically connected at an overlapping portion of first and second main line portions. The busbar module further includes a waterproof portion that seals the overlapping portion in a watertight manner.

BATTERY MODULE

Resumen de: US2025174862A1

In a battery module, battery cells are disposed at predetermined positions in a cell holder and housed in an outer case. The cell holder includes: a holding portion into which lower portions of the battery cells are inserted to dispose the battery cells at the predetermined positions; a drainage space exposing the battery cells 1 above the holding portion; a drainage opening configured to drain water flowing into the drainage space; and an insulative partition wall disposed in the drainage space. The insulative partition wall protrudes upward from a surface of the holding portion, and has a lateral width (W).

LIQUID INJECTION JIG AND LIQUID INJECTION SYSTEM

Resumen de: US2025174858A1

In an embodiment, a liquid injection jig includes a peripheral wall, a bottom wall, and a plate-shaped portion. The peripheral wall surrounds a storage cavity where an electrolyte solution can be stored from an outer peripheral side. The bottom wall is connected to the peripheral wall with being adjacent to the storage cavity from one side in a height direction, and a discharge port through which an electrolyte solution can be discharged from the storage cavity toward a battery is formed in the bottom wall. The plate-shaped portion is connected to the peripheral wall in the storage cavity. A contact portion in contact with the peripheral wall and a separation portion having a gap with the peripheral wall are formed at the edge of the plate-shaped portion, and the gap is positioned away from the contact portion in a circumferential direction of the storage cavity.

CLAD TERMINAL EMBEDDED IN A SEPARATOR LAYER OF A BATTERY CELL FOR MONITORING VOLTAGE AND IMPEDANCE

Resumen de: US2025174849A1

A battery cell includes a cathode electrode including a cathode active material layer and a cathode current collector. An anode electrode includes an anode active material layer and an anode current collector. A solid electrolyte layer is arranged between the cathode active material layer and the anode active material layer. The cathode electrode and the anode electrode exchange lithium ions. A clad terminal comprises a first metal layer and a second metal layer and includes a first portion arranged in the solid electrolyte layer and a second portion extending from the solid electrolyte layer.

BUSBAR MODULE

Resumen de: US2025174842A1

A busbar module to be attached to a battery assembly includes: a first circuit body having a first wiring pattern; a second circuit body having a second wiring pattern; and electronic components each attached to a first branch line portion and a second branch line portion to each connect the first and second wiring patterns to the corresponding busbar. The first and the second wiring patterns are electrically connected at an overlapping portion of the first and second main line portions. Each of the first circuit body and the second circuit body has a slit-shaped isolation hole portion between adjacent connection points among a plurality of connection points in each of which a first contact portion and a second contact portion are connected. The isolation hole portion penetrates the overlapping portion in a thickness direction.

TEMPERATURE CONTROL MECHANISM FOR AN ELECTRICAL COMPONENT

Resumen de: US2025174759A1

A temperature control mechanism for an electrical component having a plurality of cells each defining a longitudinal axis is provided. The temperature control mechanism includes a plurality of temperature control portions that respectively surround the plurality of cells, each of the plurality of temperature control portions respectively extend along the longitudinal axis of the plurality of cells in a first direction from a cell first side to a cell second side, wherein the plurality of temperature control portions are configured to simultaneously receive a temperature control fluid such that the plurality of temperature control portions provide temperature control to the plurality of cells in parallel.

POLE, BATTERY TOP COVER, AND BATTERY CELL

Resumen de: US2025174845A1

A battery terminal post, a battery top cover and a battery cell. The battery terminal post is integrally formed by means of a cold heading process and comprises a chassis and a terminal post body, which are connected to each other, a first groove being formed on a top portion of the terminal post body, wherein the minimum distance between a groove wall of the first groove and an outer side wall of the terminal post body is C, a distance between a groove bottom of the first groove and the chassis is D, an included angle between the groove wall of the first groove and an axis of the first groove is E, and a groove depth of the first groove is F, FtanE +C being greater than or equal to D.

HEAT EXCHANGE PLATE, BATTERY PACK, AND VEHICLE

Resumen de: US2025174757A1

A heat exchange plate includes a first interface, a second interface, and a flow channel in communication with the first interface and the second interface. The heat exchange plate is configured to exchange heat for a battery, and the flow channel is configured to circle a working medium. When the heat exchange plate is used to cool the battery, the working medium flows into the flow channel from the first interface, and flows out from the second interface. When the heat exchange plate is used to heat the battery, the working medium flows into the flow channel from the second interface, and flows out from the first interface.

BATTERY ASSEMBLY WITH OVERLAPPING POUCH CELLS

Resumen de: US2025174839A1

In an embodiment a battery assembly includes a first package having at least one pouch cell and a second package having at least one pouch cell, wherein the first package and the second package with respective electrodes of the pouch cells are arranged facing one another, and wherein the pouch cells of the opposite packages overlap in an overlapping area.

BATTERY SYSTEM AND HEAT TRANSFER UNIT FOR BATTERY SYSTEM

Resumen de: US2025174756A1

A battery system including: a battery cell stack including a plurality of battery cells and a plurality of thermally isolating cell spacers between the plurality of battery cells; and a heat transfer unit on at least one side of the battery cell stack, the heat transfer unit including a first heat transfer element and a second heat transfer element, wherein the first heat transfer element and the second heat transfer element are thermally isolated from each other. The first heat transfer element contacts at least one of the battery cells in an even row of the battery cell stack and the second heat transfer element contacts at least one of the battery cells in an odd row of the battery cell stack.

LITHIUM SECONDARY BATTERY

Resumen de: US2025174708A1

A lithium secondary battery comprises a positive electrode, a separator, a negative electrode, and an electrolyte solution. The negative electrode includes a current collector. The current collector has a thickness from 10 to 20 μm. The current collector has a plurality of through holes. The through holes satisfy relationships of an expression (1) and an expression (2):1.5≤B/A≤3.(1)0.05≤A≤0.1⁢8(2)where a diameter of each of the through holes at a surface of the current collector is defined as a (mm), a center-to-center distance between each of the through holes and another through hole closest thereto is defined as b (mm), an average value of the diameter a (mm) is defined as A (mm), and an average value of the center-to-center distance b (mm) is defined as B (mm).

SEALED METAL-AIR BATTERY

Nº publicación: US2025174857A1 29/05/2025

Solicitante:

INEOVA CORP [JP]
ineova Corp

Resumen de: US2025174857A1

The purpose of the present invention is to realize a portable disaster prevention battery obtained by packaging, in a sealed container, a metal-air battery having high energy density. The sealed metal-air battery according to the present invention is a metal-air battery that uses metal in a negative electrode and an air electrode in a positive electrode and is provided with a sealed container accommodating the entire metal-air battery or at least a chemically reacting portion of the metal-air battery. The sealed container is a rigid metal container or a rigid resin container, and the inside of the sealed container during storage of the battery is in an atmospheric state or a vacuum state, or is an environment filled with an inert gas. During battery use, a portion of the sealed container is opened and an electrolytic solution is injected as to begin power generation. Alternatively, the inside of the sealed container during storage of the battery is in a state in which only the solute of electrolytic solution is accommodated therein, and during battery use, a portion of the sealed container is opened to inject the solvent of the electrolytic solution is injected to begin power generation.