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1111
resultados
Última actualización
02/02/2026 [07:07:00]
Resultados 25 a 50 de 1111
Resumen de: WO2026021889A1
The present invention relates to a method for manufacturing a treated support for a battery, the method comprising the following steps: a) depositing, on at least part of the surface of a support for a battery, at least one first layer made of an inorganic material; b) depositing, on at least part of the surface of the first layer, at least one second layer made of a material of formula (I): MFx (I); c) bringing at least one lithium salt of a polymer into contact with the second layer, the polymer comprising at least one hydroxyl group and/or at least one carboxylic acid group, so as to form a third layer located on the second layer.
Resumen de: WO2026021887A1
Disclosed is a polymer electrolyte comprising at least one polymer and at least one electrolyte salt, the polymer comprising polyethylene glycol borate ester and poly (4-vinylpyridine).
Resumen de: WO2026021816A1
The invention relates to a method for producing a recess (25) in an outer layer (20), in particular an insulation layer (22) of the outer layer (20), of a battery cell (100), in particular for a battery system of a vehicle, said method comprising: - providing (110) a battery cell (100) having o a battery body (10) for storing energy and o an outer layer (20) surrounding the battery body (10), - defining (120) a contour (K) of a recess (25) in the outer layer (20) by traversing and irradiating the outer layer (20) by means of a laser, - heating (130) the outer layer (20) by traversing and irradiating by means of the laser in a region (B) defined by the contour (K), and - at least partially detaching (140) the outer layer (20) in the region (B) defined by the contour (K) in order to produce the recess (25) in the outer layer (20). The invention further relates to a battery cell (100) and to a battery system.
Resumen de: WO2026021855A1
The invention relates to a battery cell spacer for a battery pack, preferably in the form of a parallelepiped plate, having a first large face and a second large face parallel to one another and defining an area for the flow of heat-transfer fluid, in which spacer: - each large face (30) comprises repeating, raised patterns (35) in the form of a chevron, extending over the surface thereof, the spaces between the patterns defining fluid circulation channels (36); - the patterns (35) of the first large face are placed in an arrangement that is the inverse of the patterns (35) of the second large face, so as to define a meshed structure having openings (37) providing fluid communication between the channels (36) of the first large face and the channels (36) of the second large face.
Resumen de: WO2026021678A1
Disclosed is a thermal runaway prevention sheet including a heat barrier layer, the heat barrier layer including: a silicone-based resin matrix including a plurality of micropores; first inorganic filler particles inserted in the silicone-based resin matrix and having an average particle diameter of 0.7 ㎛ to 20 ㎛; second inorganic filler particles inserted in the silicone-based resin matrix and having an average particle diameter of 1 nm to 100 nm; first reactive particles inserted in the silicone-based resin matrix and generating a binder that is bonded to the first inorganic filler particles and the second inorganic filler particles by heat; and second reactive particles inserted in the silicone-based resin matrix and generating the binder by the heat.
Resumen de: WO2026022498A1
Disclosed is a method for treating reverse extract liquid. This method utilizes the difference of the standard electrode potentials of various metals. Firstly, copper is recovered through cyclone electrolysis. At the same time, the chlorine gas generated by the electrolysis can remove TOC and avoid contaminating subsequent extractants. Then, zinc is separated using zinc precipitation reagents, and finally, manganese and calcium are separated using saponified Cyanex272 extractant to obtain manganese sulfate. The method of the present application is capable of graded recovery of valuable metals such as manganese, copper, zinc and the like. The purity of the recovered manganese sulfate reaches battery-grade. Compared to recovering copper in the form of copper sulfide, the sponge copper obtained in the present application has a purity greater than 98%, which has better application prospects and economic benefits. Moreover, by selectively abandoning sodium, calcium, and aluminum with low recovery value, the operation process can be simplified, unnecessary auxiliary material input can be reduced, and higher economic value can be achieved; at the same time, the method of the present application does not generate solid waste and has good environmental performance. Drawing of Abstract
Resumen de: US20260031326A1
The present application relates to a lithium secondary battery, including comprising: a positive electrode, a silicon-based negative electrode, a separator provided between the positive electrode and the negative electrode, and an electrolyte. In the secondary battery according to the present application, the weight ratio of the silicon-based active material and the single-particle positive electrode active material is adjusted to solve the resistance problem, the cracking in high-voltage cells, and the gas generation issues.
Resumen de: US20260031409A1
Provided herein are phosphorus battery electrolyte additive chemicals for use in aqueous batteries that prevent self-discharge in the form of corrosion and hydrogen evolution, which increases the efficiency and extends the shelf-life of the batteries.
Resumen de: US20260031415A1
A secondary battery charging and discharging device includes: a first measurement part including: a first base portion; a first current probe joined to the first base portion, and to contact a first terminal of a secondary battery; and a temperature probe joined to the first base portion, spaced from the first current probe at an interval, and to measure a temperature of the secondary battery; and a second measurement part facing the first measurement part with the secondary battery therebetween, and including: a second base portion; and a second current probe joined to the second base portion, and to contact a second terminal of the secondary battery. The first current probe and the second current probe are to charge the secondary battery.
Resumen de: US20260031401A1
A battery that cycles lithium ions includes an electrolyte including an organic solvent and a lithium salt in the organic solvent. The organic solvent includes greater than or equal to 70 weight percent of a primary solvent including an alkyl alkanoate, ketone, nitrile, or a combination thereof. The electrolyte beneficially may be used in a battery that includes a positive electrode including an electroactive material including a layered nickel-rich lithium transitional metal oxide.
Resumen de: US20260031352A1
A secondary battery, a preparation method therefor, and an electrical device. The secondary battery includes a negative electrode. A current collector includes a first region and a second region. The second region is close to a tab. A first active material layer is located in the first region. A second active material layer is located in the second region. The percentage by weight of the silicon-based material in the second active material layer is greater than the percentage by weight of the silicon-based material in the first active material layer. The percentage by weight of the first carbon material in the second active material layer is greater than the percentage by weight of the first carbon material in the first active material layer.
Resumen de: US20260031403A1
Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material; a negative electrode including a negative active material; an electrolyte solution including a lithium salt and a non-aqueous organic solvent; and a separator between the positive and the negative electrodes, the separator including a porous substrate and a coating layer positioned on at least one side of the porous substrate. The negative active material includes a Si-based material; the non-aqueous organic solvent includes cyclic carbonate including ethylene carbonate, propylene carbonate, or combinations thereof, the cyclic carbonate being included in an amount of about 20 volume % to about 60 volume % based on the total amount of the non-aqueous organic solvent; and the coating layer includes a fluorine-based polymer, an inorganic compound, or combinations thereof. The rechargeable lithium battery has improved cycle-life and high temperature storage characteristics.
Resumen de: US20260031388A1
The present disclosure relates to the technical field of battery materials, and provides a fluorine-containing solid-state electrolyte. The fluorine-containing solid-state electrolyte has a general structural formula (AX)aMBy, where A denotes at least one of Li, Na, K, Ag, and Cu, M denotes at least one of Ti, Sn, Ta, Nb, Zr, Hf, Ga, Al, and Fe, and 0.5<a<4; B denotes F, X denotes at least one of an oxygen-containing anion and a fluorine-containing anion, and y equals 4 or 5; or B denotes at least one of F, Cl, Br, and I, X denotes BF4, and y equals 3, 4, or 5. The solid-state electrolytes according to examples of the present disclosure have the high ionic conductivities.
Resumen de: US20260031390A1
A cell assembly has a plurality of first electrodes, a plurality of second electrodes and a plurality of solid electrolyte layers. The solid electrolyte layers have a protrusion in at least one of the solid electrolyte layers. The protrusion is aligned with a first electrode tab of one of the first electrodes. The folding of the first electrode tabs causes the protrusions to be positioned to separate the first electrode tabs from the second electrodes, thus preventing short circuit between the first electrode tabs and second electrodes. In one aspect, the disclosure provides an all solid-state battery comprising one or more anodes, one or more cathodes and one or more solid electrolyte layers with a protrusion. Also disclosed is a method for preparing same.
Resumen de: US20260031343A1
A positive electrode active substance having a layered rock-salt structure and having an initial charge capacity larger than that of a conventional technology is provided. The positive electrode active substance is obtained by adding an additive containing boron element to a lithium composite oxide having a layered rock-salt structure represented by Li2Mn1-xNixO3 (0≤x<1) or a precursor of the lithium composite oxide, and performing heating and sintering. The amount of boron is more than 0.00075 equivalents and 0.2 equivalents or less with respect to 1 equivalent of a total of Mn and Ni of the lithium composite oxide.
Resumen de: US20260031448A1
A battery cell may include: a housing having an opening; an electrode assembly, accommodated in the housing; and an end cap, including a cap body and a protruding structure, where at least a part of the cap body may be disposed around the protruding structure and laser-welded to the housing so that the end cap fits and covers the opening. In a thickness direction of the end cap, the protruding structure may protrude from an inner surface of the cap body toward the electrode assembly, and block a laser beam during welding between the cap body and the housing. A first recess may be formed on the end cap at a position corresponding to the protruding structure, and recessed from an outer surface of the cap body toward the electrode assembly.
Resumen de: US20260031480A1
A secondary battery according to an exemplary embodiment of the present disclosure includes an electrode assembly including separators stacked to enclose each of a plurality of electrode plates disposed therein; and a separator coupling part disposed on one side of the electrode assembly to support the separators, wherein the separator coupling part includes an internal coupling part disposed on an inner side of an edge of the separator to couple at least partial regions of the separators that face each other.
Resumen de: US20260031470A1
A battery cell, a battery, and an electric device. The battery cell comprises: an electrode assembly, and a housing, the housing comprising a first wall portion and two second wall portions, wherein the first wall portion is provided with a pressure relief portion, and the pressure relief portion is provided with a notch groove recessed in a second direction; the pressure relief portion is configured to crack along at least part of the notch groove when the battery cell is subjected to pressure relief; and in a first direction, the notch groove is spaced apart from the outer surface of either of the two second wall portions.
Resumen de: US20260031464A1
A battery module includes a case that accommodates a wiring member; and a plate member that is disposed at an end portion of each of a plurality of battery cells and supports the case, in which a lock hole and a guide hole are provided side by side on a side surface of the plate member facing the case, the case includes a main body that accommodates the wiring member, and an engagement protrusion and a guide protrusion protruding from the main body, the engagement protrusion is inserted into the lock hole to engage with the plate member, and the guide protrusion is inserted into the guide hole to guide the engagement protrusion to the lock hole, and is longer than the engagement protrusion.
Resumen de: US20260031462A1
A system and method for flight control of an aircraft, the flight control system including a plurality of flight components coupled to an aircraft, wherein the plurality of flight components includes a plurality of redundant control surfaces, a plurality of redundant low voltage buses communicatively connected to the plurality of flight components, wherein a failure in a redundant low voltage bus of the plurality of redundant low voltage busses does not impact the operability of the aircraft.
Resumen de: US20260031446A1
A battery cell, a battery, and an electric apparatus are provided, which can improve the pass rate of assembly of batteries. The battery cell includes: a casing having an opening; an end cap closing the opening; and an insulating member disposed within the casing, where one of the insulating member and the end cap is provided with a first groove, and the other thereof is provided with a first protrusion, the first groove and the first protrusion cooperating with each other.
Resumen de: WO2026020598A1
The present application provides a case assembly and a battery pack. The case assembly comprises a case and liquid cooling connector groups; each liquid cooling connector group comprises a first liquid cooling connector and a second liquid cooling connector; the second liquid cooling connector comprises a first adapter section, a second adapter section, and a third adapter section; the distance between the orthographic projections of the first liquid cooling connector and the first adapter section on a plane where a second cooling plate is located is D1, the distance from the first adapter section to a side edge is D2, and D2 is greater than D1, so as to save space and costs of a front plate.
Resumen de: WO2026020551A1
A battery cell (100), a battery device (1100), and an electric device. The battery cell (100) comprises a casing (200) and an electrode assembly (101); the casing (200) is provided with electrode lead-out portions (2011); at least part of the electrode assembly (101) is provided in the casing (200); the electrode assembly (101) comprises a first electrode sheet (1); the first electrode sheet (1) comprises a current collector (10), a conductive member (30), and an active material layer (20); the conductive member (30) is electrically connected to the electrode lead-out portions (2011); the current collector (10) comprises an insulating substrate (11) and a metal layer (12); the insulating substrate (11), the metal layer (12), and the active material layer (20) are stacked in a thickness direction of the current collector (10); at least part of the metal layer (12) is located between the insulating substrate (11) and the active material layer (20); the metal layer (12) comprises a first metal portion (121) and a second metal portion (122) which are arranged in a first direction and connected to each other; the first direction is perpendicular to the thickness direction of the current collector (10); at least part of the first metal portion (121) is covered with the active material layer (20), and at least part of the second metal portion (122) is not covered with the active material layer (20); the conductive member (30) is welded to the surface of the second metal portion (122
Resumen de: WO2026020546A1
A battery cell (100), a battery device (1100) and an electric device. The battery cell (100) comprises a casing (200) and an electrode assembly (101). The casing (200) is provided with an electrode lead-out portion (2011). The electrode assembly (101) is accommodated in the casing (200); the electrode assembly (101) comprises a first electrode sheet (1) and a first insulating component (4). The first electrode sheet (1) comprises an electrically-conductive member (30), a current collector (10) and an active material layer (20). The current collector (10) comprises an insulating substrate (11) and a metal layer (12), wherein at least part of the metal layer (12) is located between the insulating substrate (11) and the active material layer (20); the electrically-conductive member (30) is used for electrically connecting the metal layer (12) and the electrode lead-out portion (2011). The electrically-conductive member (30) comprises a first connecting portion (31), wherein the first connecting portion (31) is located on the side of the metal layer (12) facing away from the insulating substrate (11) and is connected to the metal layer (12); the first insulating component (4) is attached to the first connecting portion (31). In the direction from the first connecting portion (31) to the active material layer (20), the first insulating component (4) protrudes beyond a first end face (31a) of the first connecting portion (31) facing the active material layer (20).
Nº publicación: US20260031421A1 29/01/2026
Solicitante:
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc
Resumen de: US20260031421A1
A manufacturing method for a recycled material that can easily obtain a copper foil as a recycled material from a lithium ion secondary battery is provided. The manufacturing method for a recycled material according to the present disclosure includes: a step of preparing a lithium ion secondary battery including a positive electrode, a negative electrode, and an electrolyte, the negative electrode including a copper foil and a negative electrode active material layer containing graphite as a negative electrode active material, in which a stage structure of the graphite is at least one stage selected from the group consisting of a stage 1, a stage 2, and a stage 3; a step of taking out the negative electrode from the lithium ion secondary battery; and a step of peeling the negative electrode active material layer from the copper foil by bringing the negative electrode and water into contact with each other.
BOPI
Sede Electrónica
