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1017
results.
Updated on
15/11/2026 [08:03:00]
Results 175 to 200 of 1017
Absstract of: US20260360816A1
An electrolyte comprises a first compound, a second compound, and a compound of formula (IV), where the first compound includes at least one of a compound of formula (I), a compound of formula (II), or a compound of formula (III), and the second compound includes at least one of the following compounds: ethylene carbonate, propylene carbonate, butylene carbonate, dimethyl carbonate, ethyl methyl carbonate, diethyl carbonate, dipropyl carbonate, methyl propyl carbonate, ethyl propyl carbonate, dioctyl carbonate, dipentyl carbonate, ethyl isobutyl carbonate, methyl isopropyl carbonate, dibutyl carbonate, diisopropyl carbonate, or propyl carbonate. Based on a mass of the electrolyte, a mass percentage of the first compound is 41.6% to 79%, a mass percentage of the second compound is 4.2% to 41.6%, and a mass percentage of the compound of formula (IV) is 4% to 15%.
Absstract of: US20260357101A1
The present application discloses a solution type binder, a preparation method therefor, and a use thereof. The preparation of the binder mainly comprises the following steps: first, carrying out emulsion polymerization on an alkyl acrylate monomer, a nitrile monomer, and a functional monomer acid to prepare latex particles, wherein the latex particles are uniform in particle size and rich in polar functional groups, and can be used as seeds for precipitation polymerization; using the nitrile monomer, the functional monomer acid, acrylamide, etc. as precipitation polymerization monomers, and depositing an oligomer, which is generated by reaction, on the surface of a seed polymer under the action of hydrogen bonds and hydrophobicity to form precipitation particles; and neutralizing the precipitation particles and alkali liquor to obtain the solution type binder.
Absstract of: US20260360861A1
The invention relates to a cooling device for electrochemical or electrotechnical components, comprising a component housing having a housing body and a cover, wherein the component housing is equipped with an inlet and an outlet, wherein an interior is provided in the component housing for receiving coolant, wherein the cover comprises a first cover element with an inside and an outside, wherein the first cover element has a semi-permeable element, wherein the cover comprises a second cover element with an inside and an outside, wherein a gap is formed between the outside of the first cover element and the inside of the second cover element, which gap is fluidically connected to the outlet. The invention also relates to a cooling system.
Absstract of: US20260360803A1
The present disclosure relates to a lithium secondary battery. According to the present disclosure, the lithium secondary battery has high ionic conductivity and low interfacial resistance, thereby having a long lifespan.
Absstract of: US20260360811A1
The present disclosure relates to a polymer solid electrolyte composition and a use thereof. The present disclosure can improve the electrical conductivity of a polymer solid electrolyte. In addition, the present disclosure can lower cell resistance when used in a lithium metal battery including a cathode having a specific composition.
Absstract of: US20260360848A1
A method of recycling lithium-ion battery material includes steps of providing the lithium-ion battery material, the lithium-ion battery material having a variety of properties; reducing the size of the lithium-ion battery material; mixing, after the step of reducing the size, the lithium-ion battery material with a solvent, wherein the solvent is customized via a model, wherein the variety of properties of the lithium-ion battery material are inputs for the model; separating the solvent from the lithium-ion battery material; and collecting a product following the step of separating the solvent, wherein the product is a component of the lithium-ion battery material. A further method includes combining lithium-ion battery material with a heavy liquid.
Absstract of: US20260360793A1
A film wrapping method includes: in response to a first transfer mechanism reaching a packaging film feeding compartment, controlling, by a control device, a first suction cup module to suck a packaging film in the packaging film feeding compartment, and controlling the first transfer mechanism to transfer the packaging film to a hot melting mechanism; monitoring, by the control device, the vacuum pressure value of the first suction cup module, determining, when the vacuum pressure value is less than a set threshold, that the packaging film falls off, and controlling the first transfer mechanism to return to the packaging film feeding compartment so as to re-suck the packaging film; and in response to the packaging film being transferred to the hot melting mechanism, controlling, by the control device, the hot melting mechanism to pretreat the packaging film to obtain a pretreated packaging film.
Absstract of: US20260356692A1
A method of making a cathode active material includes contacting a mixed metal composition with water to form a first solution. The mixed metal composition includes nickel, manganese, or nickel and manganese. A salt of nickel, manganese, or a combination thereof is added to the first solution to provide a second solution which can be further combined with a cosolvent to provide a third solution. The third solution can be further combined with a basic solution to provide a precipitate, which can be combined with a lithium compound and treated to provide the cathode active material having at least one phase having a spinel structure.
Absstract of: US20260356693A1
The present invention discloses a precursor for preparing cathode active material, characterized by containing a transition metal and having a crystal grain size of 20 nm or less on (001) plane, as measured by XRD. This precursor not only has excellent electrochemical stability but also possesses high strength due to its excellent physical stability. As a result, the cathode active material produced from it can provide a secondary battery with excellent structural stability when the electrode plate is manufactured, as well as outstanding lifespan characteristics in repetitive charge and discharge environments.
Absstract of: US20260360938A1
A battery pack can include a plurality of battery cells stacked in a first direction, and a pack case configured to accommodate the plurality of battery cells in an inner space therein. In addition, each of at least a pair of adjacent battery cells among the plurality of battery cells can include an electrode assembly, a cover surrounding the electrode assembly, and a cell lead protruding from a side of the cover in a second direction. Further, the cell lead can include a first part disposed closer to the cover than a second part. Additionally, a maximum dimension of the second part can be greater than a maximum dimension of the first part in the first direction. Furthermore, the second part can include a plane perpendicular to a third direction, and the first direction, the second direction, and the third direction that can be perpendicular to one another.
Absstract of: US20260360936A1
A battery pack may include a plurality of battery cells stacked in a first direction, and busbars extending in the first direction and configured to electrically connect at least two adjacent battery cells among the plurality of battery cells. Each of the at least two adjacent battery cells among the plurality of battery cells may include an electrode assembly, a cover surrounding the electrode assembly, and a cell lead protruding from a side of the cover in a second direction. Further, the cell lead may include a first part disposed closer to the cover than a second part. In addition, a maximum dimension of the second part may be greater than a maximum dimension of the first part in the first direction, and each of the busbars may extend in the first direction to electrically connect adjacent second parts to each other.
Absstract of: US20260360912A1
A battery pack may include a plurality of battery cells stacked in a first direction, a pack case with an inner space to accommodate the plurality of battery cells, and a wiring structure provided in the pack case. Further, each of at least two adjacent battery cells among the plurality of battery cells may include an electrode assembly, a cover surrounding the electrode assembly, and a cell lead protruding from a side of the cover in the second direction. Additionally, the cell lead may include a first part of the cell lead and a second part of the cell lead, the first part being located closer to the cover than the second part. Further, the pack case may include a pair of first outer walls extending in the first direction, and a pair of second outer walls extending in the second direction.
Absstract of: US20260360850A1
A control valve apparatus for controlling the circulation of a coolant in an electric vehicle thermal management system has a bypass control valve configured to control the flow of the coolant through a battery supply conduit and/or a battery bypass conduit The control valve apparatus has a proportional control valve configured to control the proportion of the coolant flowing through a heat exchanger supply conduit and/or a heat exchanger bypass. An actuator is provided to actuate the bypass control valve and the proportional control valve. The actuator includes a drive member configured to actuate the bypass control valve and the proportional control valve.
Absstract of: US20260360930A1
A secondary battery according to the present disclosure comprises a positive electrode, a negative electrode and a separator that is provided between the positive electrode and the negative electrode; the positive electrode comprises a positive electrode collector and a positive electrode mixture layer that is disposed on the positive electrode collector; the negative electrode comprises a negative electrode collector and a negative electrode mixture layer that is disposed on the negative electrode collector; the negative electrode mixture layer contains a negative electrode active material that contains an Si-containing material; at least one of the positive electrode collector and the negative electrode collector has a 1% elongation proof stress of 190 MPa or more; and at least one of a first separator surface and a second separator surface of the separator has a ten-point average roughness (Rz) of 2.7 μm or more.
Absstract of: US20260357011A1
A sulfurized-triazine polymer includes a triazine polymer and sulfur. The sulfur is covalently grafted to the triazine polymer. The sulfurized-triazine polymer has at least one structure selected from the group consisting of Formulas 2 to 7. The sulfur is covalently bonded to a triazine polymer having a graphitic carbon nitride structure represented by Formula 1.
Absstract of: US20260360931A1
A battery cell (100A) includes a positive electrode tab (110A). The positive electrode tab (110A) includes a first base part (111A), a first upper end part (112A) decreasing in thickness away from the first base part (111A), and a first upper projection part (114A) that is positioned between the first base part (111A) and the first upper end part (112A) and protrudes further outward than the first base part (111A).
Absstract of: US20260360951A1
A cylindrical type secondary battery according to an embodiment of the present invention may include a cylindrical can provided to accommodate an electrode assembly, and a top cap provided to cover an upper portion of the cylindrical can. The top cap may include a first conductive part, a second conductive part spaced from the first conductive part and electrically connected to the electrode assembly, and an intermediate layer part including a third conductive part disposed between the first conductive part and the second conductive part, wherein, when a temperature of the third conductive part is a predetermined temperature or higher, the third conductive part is configured to melt to release contact between the third conductive part and the first conductive part or the second conductive part is released. part
Absstract of: US20260360883A1
A battery cell casing includes a bottom wall, a side wall, and a flange portion, the side wall is provided around the bottom wall, the flange portion is provided at an end of the side wall away from the bottom wall, a flange surface of the flange portion is substantially perpendicular to the side wall and configured to connect to a battery cell casing cover; a transition surface of the flange portion curvedly connects the flange surface and the inner surface and/or the outer surface of the side wall, at least a portion of the flange portion protrudes from the outer surface of the side wall, and a width of a portion of the flange portion protruding from the outer surface of the side wall in the thickness direction of the side wall is W3, meeting 0.05 mm≤W3≤0.3 mm.
Absstract of: US20260360755A1
Provided are an anode electrode plate, a cathode electrode plate, an electrode assembly, a battery and a powered device. The anode electrode plate includes an anode current collector and an anode active material layer provided at a surface of the anode current collector. The anode active material layer has a first compacted density configuration region. In the first compacted density configuration region, a compacted density of the anode active material layer gradually decreases and then gradually increases in an extending direction of the anode electrode plate. The cathode electrode plate includes a cathode current collector and a cathode active material layer provided at a surface of the cathode current collector. The cathode active material layer has a second compacted density configuration region.
Absstract of: US20260360924A1
A secondary battery according to this disclosure comprises a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode. The positive electrode has a positive electrode current collector and a positive electrode composite layer disposed on the positive electrode current collector. The negative electrode has a negative electrode current collector and a negative electrode composite layer disposed on the negative electrode current collector. The negative electrode composite layer has a negative electrode active material including a Si-containing material. The positive electrode current collector and/or the negative electrode current collector satisfy the relationship CM×CT≤1700, the 1% elongation strength of the current collector being CM (MPa) and the average thickness of the current collector being CT (μm). A first separator surface and/or a second separator surface of the separator have a ten-point average roughness (Rz) of 2.7 μm or greater.
Absstract of: US20260360694A1
A compression apparatus includes: a compression roll in which a heat transfer fluid flow path is formed and that compresses an electrode plate for battery use; and a temperature control device that is connected to the heat transfer fluid flow path via a pipe and that controls the temperature of the compression roll by allowing the heat transfer fluid whose temperature has been adjusted to flow through the heat transfer fluid flow path. The temperature control device is configured to adjust the temperature of the heat transfer fluid such that a difference between the temperature of the compression roll and an electrode plate temperature, which is a temperature of the electrode plate immediately after compression by the compression roll, is less than or equal to a first threshold value.
Absstract of: US20260360809A1
The present disclosure relates to a pouch-type all-solid-state battery with a reference electrode inserted and a method for manufacturing the same. The pouch-type all-solid-state battery with a reference electrode inserted includes a unit cell including a negative electrode portion, a positive electrode portion, and a solid electrolyte portion interposed between the negative electrode portion and the positive electrode portion and having a sheet shape; an exterior material provided with a space capable of accommodating the unit cell therein; a reference electrode tap adjacent to the solid electrolyte portion, and formed inside the exterior material; and a reference electrode portion positioned between the solid electrolyte portion and the reference electrode tap, and formed inside the unit cell.
Absstract of: US20260357370A1
The present invention relates to a method for selectively separating a specific metal from a leach solution containing a metal mixture using a rotary reactor, the method comprising: a) in the reactor which is rotating, forming an aqueous feed phase which contains the leach solution containing the metal mixture, an organic phase which includes one or more organic extractants for selectively extracting the specific metal from the aqueous feed phase and is formed adjacent to the aqueous feed phase, and an aqueous acceptor phase which is formed adjacent to the organic phase, in the form of concentric layers, respectively; and b) transferring the specific metal in the aqueous feed phase to the aqueous acceptor phase by the organic extractant included in the organic phase and acting as a molecular shuttle between an aqueous feed phase/organic phase interface and an organic phase/aqueous acceptor phase interface.
Absstract of: US20260360701A1
An electrochemical pouch cell (1) including positive and negative electrodes, wherein the positive electrode includes a composition of positive active materials, including a blend of: a) from 30 to 50 wt. % of a lithium manganese iron phosphate of formula LixMn1-y-zFeyMzPO4 where 0.8≤x≤1.2; 0.5≤(1-y-z)<1; 0
Nº publicación: US20260361103A1 12/11/2026
Applicant:
MITSUBISHI ELECTRIC CORP [JP]
Mitsubishi Electric Corporation
Absstract of: US20260361103A1
A power storage device includes m strings connected in parallel to each other. Each of the m strings includes n units connected in series to each other. Each of the n units includes: a positive-side node and a negative-side node; a plurality of power storage elements; and a switching circuit capable of switching a state of each unit. When a first unit in a first string has a failure, the switching circuit switches the first unit and a second unit in each string other than the first string from a first state to a second state. In the first state, the plurality of power storage elements are connected between the positive-side node and the negative-side node. In the second state, the positive-side node and the negative-side node are connected without having the plurality of power storage elements interposed therebetween.
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