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1017
results.
Updated on
15/11/2026 [08:03:00]
Results 75 to 100 of 1017
Absstract of: US20260356488A1
A battery system is provided that includes a battery pack whose thickness changes due to charging and discharging, and a restraining member that restrains the battery pack and has a configuration in which, when a pressure applied to the battery pack by the restraining member exceeds a predetermined pressure due to a change in thickness of the battery pack caused by charging and discharging, the restraining member breaks and restraint of the battery pack is released. The restraining member may restrain the battery pack via two plate-shaped members that sandwich the battery pack along a direction of the thickness.
Absstract of: US20260360736A1
A battery cell, a battery apparatus, an electrical apparatus, and an energy storage apparatus. The battery cell includes a stacked-type cell. A positive electrode plate includes a positive electrode current collector main body part, a positive electrode tab, and positive electrode active material layers. Each positive electrode active material layer includes a main body region and a thinned region on a side close to the positive electrode tab, the thinned region having a smaller thickness than the main body region. The positive electrode active material includes lithium-containing transition metal phosphate particles with at least partially carbon-coated surfaces. When fully discharged, a single-side thickness H of the main body region is 70-120 μm. In a cross-section along the thickness direction, particles having a size R1 of 50-400 nm account for 10.0%-35.0% of total particle area, and LA50 in a sphericity-area cumulative distribution curve is 0.6-0.8.
Absstract of: US20260358068A1
A cooling heat exchanger having a novel structure that is expected to further improve cooling performance. A cooling flow path through which a cooling heat medium flows is formed between two plates having a cooling surface, at least one of the plates superposed on a cooling target. At least one protrusion is provided on a wall of the cooling flow path, extending in a direction intersecting a flow path length direction of the cooling flow path. The protrusion is provided with a pair of inclined portions respectively, extending both sides of a flow path width direction toward the flow path length direction of the cooling flow path. The pair of inclined portions comprises a low protruding portion having low height and a high protruding portion having high height.
Absstract of: US20260360868A1
A secondary battery includes a casing, an electrode assembly, and a sealing element. The casing includes a first casing and a second casing. The first casing includes a first wall and a first sidewall connected to a periphery of the first wall. The second casing includes a second wall and a second sidewall connected to a periphery of the second wall. A first surface facing the second sidewall is provided on the first sidewall, and a second surface facing the first sidewall is provided on the second sidewall. The first surface and the second surface face each other, with a clearance in between. A sum of an area of the first surface and an area of the second surface is greater than a sum of an area of a cross-section of the first sidewall and an area of a cross-section of the second sidewall.
Absstract of: US20260360941A1
A battery cell includes a housing having a wall portion provided with a mounting hole, an electrode assembly accommodated in the housing, and an electrode terminal including a pole extending through the mounting hole and electrically connected to the electrode assembly and a connecting member connected to the pole. Along a thickness direction of the wall portion, the connecting member is located on a side of the wall portion facing away from the electrode assembly. The connecting member includes first and second material layers stacked along the thickness direction of the wall portion. The first material layer is located on a side of the second material layer facing away from the electrode assembly, is electrically connected to the pole, and is configured to be connected to a busbar. A melting point of the second material layer is higher than a melting point of the first material layer.
Absstract of: US20260361101A1
A current imbalance control method, a control apparatus, a control device, and an energy storage system, which can solve the current imbalance problem of battery sets are described. The control method includes: acquiring a DCR of a battery set; and determining, based on DCRs of a plurality of battery sets, whether a current imbalance occurs among the plurality of battery sets. By acquiring the DCR of the battery set, the current imbalance among the plurality of battery sets connected in parallel can be identified and prevented in time based on the differences in the DCRs among the plurality of battery sets connected in parallel, thereby improving the charging and discharging performance of the entire energy storage system.
Absstract of: US20260360830A1
A battery according to an embodiment of the present disclosure may include: an electrode assembly having a winding structure around a central winding hole; a battery housing configured to receive the electrode assembly through an opening provided on one side; a battery cover configured to cover the opening of the battery housing and having a venting portion configured to be ruptured when an internal pressure of the battery housing exceeds a reference venting pressure; and a core support configured to be inserted into the central winding hole of the electrode assembly so as to increase rigidity of a core of the electrode assembly, and configured to guide a discharge direction of gas generated inside the electrode assembly toward the venting portion.
Absstract of: US20260360923A1
The present disclosure relates to a separator for an electrochemical device, which includes a coating layer having, as a binder, a copolymer including: i) a repeating unit derived from a (meth)acrylic acid monomer, a (meth)acrylate monomer, or both thereof; ii) a repeating unit derived from an acrylic monomer having an amide group; and iii) a repeating unit derived from a silane-based monomer, a monomer having a silanol group, or both thereof. In particular, the copolymer may exhibit excellent adhesion to inorganic particles by including iii) the repeating unit derived from a silane-based monomer, a monomer having the silanol group, or both thereof. Accordingly, the separator for an electrochemical device, which includes the binder, may exhibit excellent adhesion to an electrode and a low thermal shrinkage ratio.
Absstract of: AU2025262702A1
Disclosed in the present application are a cylindrical cell, a battery pack and an electric device. The cylindrical cell comprises a casing, an electrode assembly, an end cap and a first insulating member. The end cap is connected to the casing and the electrode assembly. The end cap and the electrode assembly are arranged in an axial direction. The end cap is provided with a projecting portion. The first insulating member comprises a first part and a second part which are connected to each other, wherein the first part is connected to the end cap and the casing; and in the axial direction, at least part of the second part is located between the projecting portion and the electrode assembly, and is connected to the projecting portion and the electrode assembly.
Absstract of: AU2025256616A1
Provided in the present disclosure are a carbon-based material and a preparation method therefor, a secondary battery and an electric device. The carbon-based material is granular, and has a degree of sphericity of 0.5-1.0. The carbon-based material satisfies: D1/D2 being 0.4-0.62, and D2/D3 being 0.1-0.16, wherein D1 is the proportion of the total volume of particles having a particle diameter of smaller than or equal to 3 μm in the carbon-based material to the total volume of all the particles in the carbon-based material; D2 is the proportion of the total volume of particles having a particle diameter of greater than 3 μm and less than 5 μm in the carbon-based material to the total volume of all the particles in the carbon-based material; and D3 is the proportion of the total volume of the particles having a particle diameter of greater than or equal to 5 μm in the carbon-based material to the total volume of all the particles in the carbon-based material.
Absstract of: US20260360728A1
A battery includes a positive electrode plate and an electrolyte. The positive electrode plate includes a positive electrode active material layer, an XRD diffraction pattern of the positive electrode active material layer has a 012 diffraction peak and a 006 diffraction peak, and a difference between an angle value of the 012 diffraction peak and an angle value of the 006 diffraction peak is >0.1°; and the electrolyte includes a first additive, and the first additive includes element O and a cyano group. In the present disclosure, the positive electrode plate and electrolyte in the battery synergistically improve the cycling performance and safety performance of the battery.
Absstract of: US20260360739A1
A cylindrical secondary battery includes a negative electrode sheet, where the negative electrode sheet includes a negative electrode current collector and a negative electrode material layer disposed on at least one surface of the negative electrode current collector. The negative electrode material layer includes a first negative electrode material layer and a second negative electrode material layer. The first negative electrode material layer is located between the negative electrode current collector and the second negative electrode material layer, the first negative electrode material layer and the second negative electrode material layer each include a silicon-based material, and based on a mass of the negative electrode material layer, a mass percentage of element Si in the first negative electrode material layer is greater than a mass percentage of element Si in the second negative electrode material layer. The second negative electrode material layer is provided with a plurality of stripes.
Absstract of: US20260360789A1
Methods of preparing a structural battery component are provided. The structural battery component has a carbonized carbon fiber material and is assembled by forming spaced holes in the anode, cathode, and separator material and injecting a binding material into the spaced holes. Methods of preparing a structural battery are also provided. The structural battery is assembled by forming spaced holes in one or more structural battery components and injecting a binding material into the spaced holes.
Absstract of: AU2024439905A1
The present application relates to a sulfide solid electrolyte and a preparation method therefor, a solid electrolyte membrane, an electrode sheet, a solid-state battery, and an electric device. The sulfide solid electrolyte comprises an argyrodite-type crystal phase; the argyrodite-type crystal phase comprises Li, P, S, M and T elements, wherein the M element is selected from one or both of Se and Te elements, and the T element is selected from one or both of Cl and Br elements; in the argyrodite-type crystal phase, an atomic number ratio of the T element to the P element is recorded as 1+x, and x>0; and in the argyrodite-type crystal phase, an atomic number ratio of the M element to the P element is recorded as y, and y>0.
Absstract of: AU2024440459A1
An energy storage device and an energy system, which can increase energy density while reducing transport costs. The energy storage device comprises: a case body (210), the inside of which is a hollow structure; and a plurality of batteries (221), which are arranged in the hollow structure, the batteries (221) in the same row or the same column being divided into a plurality of battery clusters (220) connected in parallel, and each of the battery clusters (220) comprising at least one battery (221).
Absstract of: US20260360934A1
A busbar including a first conductive layer made of a first metal and having a first side edge, a second side edge opposite the first side edge, and a first surface extending between the first and second side edges; and a second conductive layer made of a second metal that is different from the first metal and that is laminated on and bonded to the first surface of the first conductive layer is provided. The first conductive layer has an exposed area where the first metal is exposed on the first surface of the first conductive layer to which the second conductive layer is bonded, and the second conductive layer extends from the first side edge toward the second side edge of the first conductive layer, without covering the exposed area of the first conductive layer.
Absstract of: AU2025254768A1
The present technology relates generally to compositions comprising 3-amino-2-butanol. In particular, the present technology relates to compositions for paints and coatings that comprise 3-amino-2-butanol. In some embodiments, the composition may include a dispersion of a pigment and an additive, and/or a dispersion of a polymeric binder resin and an additive, wherein the additive comprises 3-amino-2-butanol.
Absstract of: US20260355557A1
An embodiment relates to a fire prevention device for a multiparameter-based battery cell and a method thereof, in which a good/bad determination is made on the basis of parameters of any two or more of cell voltage, temperature, internal resistance, released gas, and internal pressure value of a portable auxiliary battery in order to prevent a fire that may occur in the portable auxiliary battery.
Absstract of: US20260360918A1
A battery assembly includes a plurality of battery cells having a vent part, the vent part being configured to discharge venting gas, a frame configured to seat the plurality of battery cells thereon, the frame including a plurality of vent holes at positions corresponding to the vent part, and a cover member configured to cover the plurality of vent holes and be opened by the venting gas. A battery pack and a vehicle including the same are also provided.
Absstract of: US20260360746A1
The disclosure provides a tetrafluoroethylene-based polymer composition for a binder for an electrochemical device, capable of reducing the resistance of an electrochemical device and yielding a mixture sheet with excellent adhesion to a substrate, and a binder for an electrochemical device, an electrode mixture, an electrode, and a secondary battery each containing the composition. Provided is a tetrafluoroethylene-based polymer composition for use in a binder for an electrochemical device, the tetrafluoroethylene-based polymer composition containing a polar group in an amount of less than 0.020 meq/g based on the tetrafluoroethylene-based polymer composition, being non melt-processible, and having an apparent density of less than 0.50 g/mL.
Absstract of: US20260360799A1
A battery winding apparatus, a battery production line, and a control method therefor are described. The battery winding apparatus includes: a support member; an alignment roller set, movably installed on the support member and used for aligning a plurality of composite electrode sheets; a winding needle, rotatably installed on the support member and used for winding the plurality of composite electrode sheets; a feeding roller set, movably installed on the support member between a standby station and a clamping station in a first direction, and configured to, when located at the clamping station, clamp a blank separator of one composite electrode sheet between the winding needle and the alignment roller set and move in a second direction to adjust a distance between two composite electrode sheets; and a cutter assembly, movably installed on the support member and used for cutting off the composite electrode sheets.
Absstract of: US20260360743A1
The disclosure provides a tetrafluoroethylene-based polymer composition for a binder for an electrochemical device, capable of reducing the resistance of an electrochemical device and yielding a mixture sheet with excellent adhesion to a substrate, and a binder for an electrochemical device, an electrode mixture, an electrode, and a secondary battery each containing the composition. Provided is a tetrafluoroethylene-based polymer composition for use in a binder for an electrochemical device, containing a tetrafluoroethylene-based polymer and a macromolecular compound containing an ionic group, the ionic group being contained in an amount of 0.020 meq/g or more based on the tetrafluoroethylene-based polymer composition.
Absstract of: US20260360689A1
An electrode manufacturing apparatus includes an unwinder configured to unwind an electrode current collector without an electrode active material coated thereon, a rewinder configured to wind the electrode current collector with the electrode active material coated thereon, a stamping member located between the unwinder and the rewinder, and an electrode active material supply member. The stamping member applies an anti-coating material to prevent coating of the electrode active material to the electrode current collector. The electrode active material supply member coats the electrode current collector with the electrode active material. Also provided is an electrode manufacturing method using the same, whereby it is possible to prevent the occurrence of a sliding portion on an edge of a coated portion of an electrode.
Absstract of: US20260360893A1
An energy storage container and an energy storage system. The energy storage container includes a container body. A battery compartment, an electrical compartment, and a liquid cooling unit are disposed inside the container body; the electrical compartment and the liquid cooling unit are disposed on the same end side of the battery compartment in a first direction.
Nº publicación: US20260360919A1 12/11/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD.
Absstract of: US20260360919A1
A battery pack may include a base plate, a battery module installed on the base plate and having a first venting hole on an upper surface thereof, a venting cover coupled to the upper surface of the battery module, a pack cover configured to cover the venting cover, and an elastic member provided between the venting cover and the pack cover.
BOPI
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