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1719
results.
Updated on
07/06/2025 [07:24:00]
Results 250 to 275 of 1719
Absstract of: US2025183375A1
According to the present invention, a battery comprises: a wound electrode body formed of a long positive electrode and a long negative electrode that are wound with a separator therebetween; a nonaqueous electrolyte; and an external can for accommodating the electrode body and the nonaqueous electrolyte. The negative electrode has a non-facing part that is wound, without facing the positive electrode, to the winding start side from a facing part which faces the winding inner side of a starting end of the positive electrode in the winding direction. The battery comprises a negative electrode lead which is joined to the non-facing part and is wound 0.75 turns or more.
Absstract of: US2025183324A1
Provided is a secondary battery having a zinc negative electrode enhanced in charge/discharge continuity. The secondary battery 10 having a zinc negative electrode according to an embodiment includes a positive electrode 20 having a metal fiber sheet, a negative electrode 30 containing zinc, and an electrolytic solution 40 having at least one or more types of supporting electrolytes dissolved therein. The total concentration of the supporting electrolytes is 5 mass % or more and 50 mass % or less based on the entire electrolytic solution.
Absstract of: US2025183285A1
There is provided an anode material for a lithium ion secondary battery, which includes silicon particles. The silicon particles have an average particle diameter of 0.1 μm to 10 μm and an oxygen content of 0.1 wt % or more and 8 wt % or less. In a case where a surface of the silicon particles is analyzed using X-ray photoelectron spectroscopy, an integrated intensity ratio obtained by dividing an integrated intensity of a SiO2 peak by an integrated intensity of a Si peak is 0.4 or more and 3.0 or less.
Absstract of: US2025179324A1
A liquid composition contains a polymerizable compound represented by Chemical Formula 1 or Chemical Formula 2, a non-linkable resin having a structural unit represented by Chemical Formula 3, and a solvent,wherein the solvent is a solvent mixture comprising a good solvent that dissolves the polymerizable compound and a poor solvent that leaves the polymerizable undissolved, and the solvent satisfies the following Relationship 1,Polymerizable compound soluble point≤Mixing ratio X
Absstract of: US2025181802A1
Methods and apparatus for estimating an energy storage performance property of an energy system are provided. The method includes providing, as input to an energy storage model and a machine learning model, sensor information associated with the energy system, wherein the energy storage model comprises an empirical model and/or a physics-based model, providing as input to the machine learning model, one or more values based on an output of the energy storage model, and determining based, at least in part, on an output of the machine learning model, an estimate of the energy storage performance property.
Absstract of: US2025182989A1
A protective element includes: a first fuse element part including a first fuse element; a second fuse element part including a second fuse element; an insulating enclosure having a fusing space in which the first fuse element is positioned and a cutting space in which the second fuse element is positioned; and a slider disposed to be movable within the fusing space toward a second fuse element side. The fusing space is divided into a first space and a second space which interpose the slider, the first fuse element being positioned in the first space, and a second space being connected to the cutting space. When a fusion current flows to the first fuse element, and as pressure in the first space rises, the slider is configured to move toward a second fuse element side such that a cutting part of the slider cuts the second fuse element.
Absstract of: US2025181457A1
A battery management apparatus according to an example of the present invention may include at least one processor and a memory configured to store at least one instruction executed by the at least one processor. The at least one instruction may include an instruction to detect at least one event requiring an emergency storage of battery management system (BMS) data; an instruction to, upon detecting the at least one event requiring the emergency storage of the BMS data, request for the emergency storage of the BMS data to a first controller in a device including the battery; and an instruction to receive a response to the request for the emergency storage of the BMS data from the first controller and to transmit the BMS data to the first controller.
Absstract of: US2025183484A1
A method of manufacturing a bipolar battery stack (10) provides a first bipolar electrode (12) with an electrically conductive carrier foil (121) and a central region (124) coated on both sides with electrode material. A carrier foil edge (125) completely surrounds the central region (124) and is free of electrode material. A first sealing bead (201) is on the carrier foil edge region (125) to surround the carrier foil central region (124). An electrically insulating, ion-permeable, planar separator (18) is placed on the first sealing bead (201) laterally beyond the carrier foil central region (124). A second sealing bead (202) is applied to the edge region of the separator (18) beyond the carrier foil central region (124) to form a ring encircling the carrier foil central region (124), and another one is placed on the second sealing bead (202). The method repeats these steps a predetermined number of times.
Absstract of: US2025183475A1
A battery pack includes: a plurality of battery cells, each including an outer covering can and a sealing plate and being formed by securing an outer peripheral edge of the sealing plate to an opening of the outer covering can by a crimped part via an insulating gasket; an outer covering case containing the battery cells; and a protective ring member for the insulating gasket of one of the battery cells. The protective ring member includes an end face plate part covering a surface of the crimped part and a ribbed ring part covering an inner peripheral end edge of the crimped part, and the ribbed ring part is disposed between the end face plate part and the sealing plate, and includes a tip end surface close to a surface of the sealing plate.
Absstract of: US2025183482A1
Disclosed is a separator for a secondary battery, which simultaneously achieves uniform coatability of a binder slurry that is in a trade-off relationship and reduction in cell resistance. The separator includes a preliminary separator including a porous substrate and a coating layer on one surface of the porous substrate, a first binder layer on one surface of the coating layer, and a second binder layer on the other surface of the porous substrate. The first binder layer and the second binder layer each include the same or different surfactants, and satisfyΔP(s/100cc)=❘"\LeftBracketingBar"Ps-Pc❘"\RightBracketingBar"<120,where, Ps is an air permeability of the separator for a secondary battery, and Pc is an air permeability of the preliminary separator.
Absstract of: US2025183481A1
Disclosed is a separator for an electrochemical device, the separator including a porous polymer substrate and a porous coating layer formed on at least one surface of the porous polymer substrate. The porous coating layer contains a polymer binder, inorganic particles, and an organic filler, the polymer binder being contained in an amount of 1 to 10 parts by weight based on the total weight of the porous coating layer, and the inorganic particles have a packing density of 2 g/cm3 or more to 2.5 g/cm3 or less.
Absstract of: US2025183477A1
A binder for coating a secondary battery separator, a secondary battery separator including the binder, and a secondary battery including the binder are disclosed. The binder contains a mixture of copolymer A derived from a (meth)acrylamide-based monomer, N-vinylpyrrolidone, and a (meth)acrylic acid monomer and containing a carboxyl functional group, and copolymer B derived from a (meth)acrylamide-based monomer, N-vinylpyrrolidone, and a (meth)acrylate-based monomer and containing an alcohol functional group.
Absstract of: US2025183399A1
Flexible processes and systems for recovering manganese (Mn), cobalt (Co), nickel (Ni) as a purified co-precipitated product or alternatively independent products, from a lithium-ion battery waste stream are provided. The process may include upstream leaching and impurity removal prior to separation in a metal recovery system that may include a manganese (Mn) recovery unit to generate a manganese (Mn)-containing product, a cobalt (Co) recovery unit to generate a cobalt (Co)-containing product or a nickel (Ni) recovery unit to generate a nickel (Ni)-containing product or alternatively and optionally may include a co-precipitator unit to form a co-precipitated product. A lithium (Li) recovery unit may further process a portion of the waste liquid stream to form a lithium (Li)-containing product.
Absstract of: US2025183321A1
Aspects of the disclosure include copper-graphene (Cu-Gr) multilayer composite (CGMC) current collectors and methods of manufacturing the same. An exemplary vehicle includes an electric motor and a battery pack electrically coupled to the electric motor. The battery pack includes a battery cell with a cell pouch having therein a plurality of stacked anode current collectors alternating with a plurality of stacked cathode current collectors, and an active material dispersed within the cell pouch to cover the current collectors. Each of the anode current collectors is a CGMC current collector including a copper foil substrate having a top surface and a bottom surface. The copper foil substrate is pure copper. A graphene layer is directly on at least one of the top surface and the bottom surface of the copper foil substrate and a plated copper layer is directly on the graphene layer.
Absstract of: US2025183400A1
The present invention relates to a flame-retardant multilayer tubular structure for the cooling of electric vehicle batteries or of stationary energy storage system batteries, comprising at least two layers: an inner layer (I) comprising at least 40% of at least one thermoplastic polymer P1 chosen from a polyolefin and a thermoplastic elastomer and up to 5% by weight of a compound chosen from a heat stabilizer and a metal deactivator or a mixture of these, an outer layer (II) comprising a composition based on at least one predominant polyamide, said composition comprising, by weight: a) at least 50% of at least one polyamide, b) from 15% to 38% of at least one flame retardant, c) from 4% to 20%, in particular 4% to 15%, of a polyolefin, d) from 0% to 10%, in particular from 0.1% to 10%, by weight of at least one plasticizer, e) from 0% to 5%, in particular from 0.1% to 5%, of at least one additive, the sum a)+b)+c)+d)+e) being equal to 100%.
Absstract of: US2025183279A1
This application provides a negative electrode plate, a secondary battery and an electrical device. The negative electrode plate includes: a negative current collector; and a composite layer arranged on at least one side of the negative current collector. The composite layer includes at least two active material layers and at least one active ion transport layer which are stacked, where the active material layers and the active ion transport layers are arranged alternately; the active ion transport layer is located between two adjacent active material layers; and each active ion transport layer independently includes one of an electron insulating layer and an electron semi-insulating layer.
Absstract of: US2025183812A1
A rechargeable battery device for providing three-phase alternating current independently of location is achieved. It comprises a housing providing for a three-phase alternating current output. One or more rechargeable battery packs, at least one bidirectional three-phase inverter as well as one or more common mode filters are accommodated in the housing. The housing incorporates one or more heatsinks with a heat-dissipating surface. The energy density of the rechargeable battery device corresponding to the gross capacity of the one or more rechargeable battery packs in relation to the residual weight of the rechargeable battery device is at least 0.1 kWh/kg, wherein the residual weight corresponds to a total weight of the rechargeable battery device minus a weight of the one or more rechargeable battery packs.
Absstract of: US2025182653A1
Provided is an interactive digital signage system comprising a pedestal comprising a base and a mast and an interactive touchscreen digital display rotationally attached to the mast. A controller for said interactive touchscreen digital display is provided wherein the controller comprises a series 6000A+ computer. At least one battery provides power to the interactive digital signage system. Input/output ports interface the controller to external devices.
Absstract of: US2025183702A1
A mobile powered workstation can include a head unit assembly that can have at least one power outlet configured to provide power to at least one electronic device. The workstation can include a power system coupled to the head unit assembly. The power system can include a permanent battery and a battery assembly. The battery assembly can include a battery connection housing that can have a plurality of power connectors configured to electrically couple to a corresponding plurality of power connectors of a replaceable battery, the battery connection housing can have a first face and a second face that extends from the first face. The first face can define a first raised portion configured to engage with a corresponding first recessed portion in the replaceable battery. The second face can define a second raised portion configured to engage with a corresponding second recessed portion in the replaceable battery.
Absstract of: US2025183688A1
Disclosed in the present invention is a battery charging system having a compatible connection apparatus, in which system, rechargeable batteries, charging apparatuses and battery charging systems having an updated battery management function and which can meet compatibility requirements are implemented by means of the connection apparatus. The product has a simple structure, tedious operations for setting user parameters are eliminated, and new and old rechargeable batteries and a charging device are allowed to be used interchangeably by a user, thereby greatly improving the usage experience of users.
Absstract of: US2025183693A1
A segmented charge and discharge method that charges/discharges a secondary battery within a state of charge interval from SOC a to SOC b, includes a charging process for charging the secondary battery; and a discharging process for discharging the charged secondary battery, and the charging and discharging processes are repeated, where the charging process ends charging when a measured voltage value of the secondary battery reaches an end-of-charge reference voltage, and the discharging process ends discharging when a measured discharge capacity reaches a value equal to a capacity Qc charged during the charging process multiplied by the Coulombic efficiency, where a<b, and a is a value greater than or equal to 0% and less than 100%, and b is a value greater than 0% and less than or equal to 100%.
Absstract of: US2025183352A1
Provided are a secondary battery, a battery module, a battery pack, and an electric device. The secondary battery includes a cathode piece and a non-aqueous electrolyte. The cathode active material includes a core and a shell covering the core. The core includes Li1+xMn1-yAyP1-zRzO4. The shell includes: a first cladding layer covering the core, and a second cladding layer covering the first cladding layer. The first cladding layer includes pyrophosphate MP2O7 and phosphate XPO4, and the second cladding layer contains carbon. The non-aqueous electrolyte includes a first lithium salt and a first additives, the first lithium salt is one or more selected from the group consisting of LiN(CmF2m+1SO2)(CnF2n+1SO2) and Li(FSO2)2N, in which, m and n represent positive integers. The first additive includes one or more of a compound represented by: O═C═N—R1—N═C═O.
Absstract of: US2025183351A1
The power storage module includes an electrode body including a plurality of electrodes stacked on each other, and a frame body having a shape surrounding the periphery of the electrode body and holding an edge portion of the electrode body. The frame body has a pair of outer holding portions that hold the outer end portions in the stacking direction among the edge portions of the electrode body, and an intermediate holding portion that is provided between the pair of outer holding portions in the stacking direction and holds a portion other than the portion held by the pair of outer holding portions among the edge portions of the electrode body. The length of the outer holding portion in the orthogonal direction orthogonal to the stacking direction is larger than the length of the intermediate holding portion in the orthogonal direction.
Absstract of: US2025183480A1
The present application discloses a separator, a method for preparing the same, a secondary battery and an electrical device, wherein the separator comprises a substrate and a coating provided on at least one side of the substrate, wherein the coating comprises first particles and second particles, the first particles being organic particles and having an average particle size denoted as D1, the second particles having an average particle size denoted as D2, such that the coating satisfies: 1
Nº publicación: US2025183350A1 05/06/2025
Applicant:
CONTEMPORARY AMPEREX TECH HONG KONG LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
Absstract of: US2025183350A1
This application relates to a gripping apparatus and processing equipment. The gripping apparatus includes: a base; a gripping assembly, spaced apart from the base along a preset direction; a balancing assembly, connected between the base and the gripping assembly and configured to provide a balancing force along the preset direction to balance a gravity of the gripping assembly and a target piece gripped by the gripping assembly; and a sensing assembly, mounted between the base and the gripping assembly and configured to sense a first displacement of the gripping assembly in the preset direction. The balancing assembly is able to drive the gripping assembly to move by a second displacement. The second displacement is greater than or equal to the first displacement. Both displacements occur the same direction.
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