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1468
resultados
Última actualización
02/04/2026 [07:26:00]
Resultados 950 a 975 de 1468
Resumen de: WO2026056221A1
The present application relates to the technical field of batteries, and in particular to a battery cell cover plate and a battery cell. The battery cell cover plate comprises: a cover plate body provided with a mounting hole, an inwardly protruding boss portion being formed on an inner wall of the mounting hole, and the size of the boss portion in a first direction being c; and a pressure relief member provided on one side of the boss portion in the first direction, and welded to the boss portion, so as to form a welding portion between the pressure relief member and the boss portion, wherein the size of the welding portion on the boss portion along the first direction is h, and 0.2 mm≤h≤(c-0.3) mm; the size of the welding portion on the boss portion along a second direction is w, and w≥0.2 mm; and the size of the welding portion on the pressure relief member along the second direction is W1, and W1≥w. The present application ensures reliable welding between the cover plate body and the pressure relief member, enhances the connection strength between the cover plate body and the pressure relief member, prevents the battery cell from electrolyte leakage caused by cracking and damage of the welding portion, and can also avoid appearance degradation due to deformation of the cover plate body caused by burn-through.
Resumen de: WO2026056218A1
A battery module (10), comprising a battery cell (40), connecting busbars (12) and a bracket (20). The battery cell (40) comprises output electrodes (42), and the connecting busbars (12) are connected to the output electrodes (42). The bracket (20) is arranged on the battery cell (40), and the support (20) is fixedly connected to the connecting busbars (12). The surface of the side of the bracket (20) facing the battery cell (40) is provided with a clamping groove (211). The clamping groove (211) clamps one end of a temperature sensor (30) having a temperature sensing head, and the clamping groove (211) is filled with a temperature sensing adhesive, so that at least the temperature sensing head is connected to the battery cell (40) by means of the temperature sensing adhesive.
Resumen de: WO2026056208A1
The present application relates to an energy storage container and a fuse adaptation method. The energy storage container comprises: a busbar unit; a plurality of high-voltage boxes connected to the busbar unit; a plurality of battery clusters, each battery cluster being electrically connected to a corresponding high-voltage box; and a processing unit electrically connected to the plurality of high-voltage boxes. The high-voltage boxes each comprise a first short-circuit protection unit and a first current detection unit electrically connected to the first short-circuit protection unit, wherein the first short-circuit protection units are electrically connected to the processing unit.
Resumen de: WO2026056205A1
A fixing module (1000) for fixing a battery assembly (3000) in place, and an electric device (2000). The fixing module comprises a support member (100) for supporting the battery assembly, and a clamping assembly (200); the clamping assembly comprises a plurality of clamping members (210) arranged at intervals on the support member in a first direction; at least one clamping member is movably arranged on the support member so that the clamping assembly can be switched between a clamping state and a separated state; in the clamping state, the plurality of clamping members are separately in contact with the battery assembly to fix the battery assembly; and in the separated state, at least one clamping member is separated from the battery assembly so that the battery assembly is detachable.
Resumen de: WO2026060419A1
A method for manufacturing an electrode on a current collector includes contacting nano-particle coated micro-particles with a rubbing element to impart an electrical charge to the nano-particle coated micro-particles to form electrically charged nano-particle coated micro-particles, and electrostatically adhering to a current collector the electrically charged nano-particle coated micro-particles to form an electrode on the current collector whereby the electrically charged nano-particle coated micro-particles exhibit sufficient adhesion to the current collector to resist detachment under the force of gravity.
Resumen de: WO2026060309A1
Solution combustion synthesis of amorphous metal-ionic conductor layers is provided using an ambient processing environment having 5% or less relative humidity. The resulting layers are ionic conductors having an ionic conductivity at least 10x their electronic conductivity, and preferably higher in some applications such as solid-state battery electrolytes. The amorphous nature of these layers is a significant advantage for battery applications, since the amorphous morphology inhibits dendrite formation.
Resumen de: WO2026060290A1
Methods, systems, and devices are disclosed for generating a battery charging signal. A method includes generating an initial waveform having a voltage curve and a current curve, wherein the initial waveform includes a leading edge portion characterized by a leading edge parameter, a body portion characterized by a body parameter, and a rest portion characterized by a rest parameter. By comparing leading edge phase shifts and body phase shifts to leading edge thresholds and body thresholds, an adjusted leading edge, body, and rest parameters may be determined and saved for use in generating subsequent waveforms. A method of charging a battery includes charging a battery using a constant current mode, probing the battery with a probing signal and receiving a response signal from the battery, determining a resonance frequency from the response signal, and constructing a charging waveform based on the resonance frequency.
Resumen de: WO2026060045A1
A battery with an anode, a cathode, and an electrolyte in contact with the anode and cathode has an anode-electrolyte interface and a cathode-electrolyte interface where the electrolyte includes a surfactant in sufficient concentration to generate a gradient liquid crystal interphase layer at the anode-electrolyte interface and/or at the cathode- electrolyte interface. The battery may use various battery chemistries including Zn/MnO2, Cu/MnO2, Fe/MnO2, LiTFSI, or NaPF6.
Resumen de: WO2026059720A1
Anodes for Li batteries and energy storage devices are provided, including anodes with an altered solid electrolyte interface (SEI). The anode SEI formed by exposure to a dicarboxylic acid shows significant improvement in energy storage and stability. Methods of making anodes with an improved SEI include exposing a lithium-containing metal anode to an acid solution comprising one or more dicarboxylic acids for a time sufficient to cause the formation of an artificial SEI on a surface of the anode.
Resumen de: WO2026056216A1
The present application belongs to the technical field of batteries, and provides a positive electrode active material, a positive electrode slurry, a positive electrode sheet, and a battery. The positive electrode active material comprises lithium manganese iron phosphate and lithium-rich lithium ferrite; the mass ratio of the lithium-rich lithium ferrite added to the positive electrode active material is 0.5%-5%; the particle size D50 of the lithium manganese iron phosphate is d1, and the particle size D50 of the lithium-rich lithium ferrite is d2, 0.05≤d1/d2≤0.32.
Resumen de: WO2026056209A1
Disclosed in the present application are a side beam of a battery tray, a battery tray, a battery system and an electric device. The side beam of a battery tray comprises a first transverse frame and a first longitudinal frame, wherein the first transverse frame has a first end and a second end opposite each other in the direction of width, and a first wall surface and a second wall surface opposite each other in the direction of thickness; a first rib plate and a second rib plate are provided inside the first transverse frame; the first rib plate is connected to the first wall surface and the second wall surface, and a first acute angle is formed between the first rib plate and the first wall surface; the second rib plate is connected to the end of the first wall surface close to the second end and the second wall surface; and the first longitudinal frame is connected to the second end, and the direction of width of the first longitudinal frame is perpendicular to that of the first transverse frame.
Resumen de: WO2026056206A1
Provided in the present application are a power battery and a vehicle. The power battery comprises a housing, a heating device, and a battery cell, wherein the heating device is arranged inside of the housing, the heating device comprising a middle region and edge regions, the heating device comprising a plurality of resistors, the plurality of resistors being distributed in the middle region and the edge regions, and the heating power of the resistors located in the middle region being lower than the heating power of the resistors located in the edge regions; and the battery cell is arranged in the housing and is connected to the heating device. According to the power battery provided in the application, the heating power of the resistors in the middle region is lower than the heating power of the resistors in the edge regions, such that heat generated by the resistors in the middle region can be less than heat generated by the resistors in the edge regions. In other words, the heating temperature for a battery cell with a relatively high temperature in the middle region is set to be lower than the heating temperature for a battery cell with a relatively low temperature in the edge regions, thereby allowing the temperature of the battery cell in the middle region after being heated to be consistent or nearly consistent with the temperature of the battery cell in the edge regions after being heated, and achieving temperature equalization of the power battery after being heate
Resumen de: WO2026056141A1
The present application provides a modified electrolyte and a preparation method therefor, an electrode material, and a battery. The modified electrolyte comprises a basic electrolyte and metal particles attached to the surface of the basic electrolyte; the material of the metal particles comprises one or more of a nickel element, a copper element, a tin element, an iron element, a cobalt element and a precious metal element. According to the modified electrolyte provided by the present application, a specific solid electrolyte is used as the basic electrolyte, the surface of the basic electrolyte is modified with the metal particles, the electronic conductivity of the modified electrolyte is effectively improved by means of cooperation of the basic electrolyte and the metal particles, and the positive electrode material containing the modified electrolyte can simultaneously improve the effective transmission of ions and electrons, such that the battery having the positive electrode material has both low interface impedance and good electrochemical performance.
Resumen de: WO2026056125A1
The present application provides a high-voltage box power supply system and an energy storage system. The high-voltage box power supply system is applied to the energy storage system, and comprises: a power supply and a plurality of high-voltage boxes. The power supply is electrically connected to one high-voltage box among the plurality of high-voltage boxes. The plurality of high-voltage boxes are electrically connected to each other in sequence, so that the power supply supplies power to the plurality of high-voltage boxes.
Resumen de: WO2026056119A1
The present disclosure provides a battery, which comprises: a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte, wherein the negative electrode sheet has a porosity of φ in %; the separator has a thickness of t in μm and a pore size of R in μm; the ratio of the total mass of the electrolyte to the discharge capacity of the battery is N in g/Ah. The electrolyte comprises an electrolyte additive, and the electrolyte additive comprises a sulfate compound and a first lithium salt, wherein the first lithium salt includes an oxalate-containing lithium salt, the sulfate compound has a structure represented by Formula I, and the mass fraction of the sulfate compound in the electrolyte is C in %. The battery satisfies the expression A, expression A.
Resumen de: WO2026056079A1
The present application provides a battery pack. The battery pack comprises a busbar and a plurality of cell groups, wherein the busbar is provided between any two adjacent cell groups and is configured to electrically connect the two adjacent cell groups located on either side thereof. In the battery pack, a busbar is provided to electrically connect together two adjacent cell groups. In this way, a plurality of busbars can be used to electrically connect a relatively large number of cell groups, thereby meeting the requirements for a highly integrated CTP module-less battery pack, and increasing space utilization and energy density.
Resumen de: WO2026059412A1
The present invention relates to: copolymer particles; a binder composition, a slurry and an electrode which comprise the copolymer particles; and a secondary battery comprising the electrode, and, more specifically, to: copolymer particles; a binder composition, a slurry and an electrode which comprise the copolymer particles; and a secondary battery comprising the electrode, wherein a cross-linking agent is introduced into a binder, thereby enabling resistance in a battery to be improved and battery lifespan to be extended and output performance to be enhanced.
Resumen de: WO2026059306A1
Disclosed are a sealing gasket and a battery cell comprising same, the sealing gasket increasing the sealing force and electrolyte leakage prevention performance of the battery cell and effectively preventing electrolyte leakage due to deformation caused by crimping. The battery cell according to one embodiment of the present invention comprises: a battery housing, which accommodates an electrode assembly of a secondary battery and has an opening at one side thereof; a battery cap coupled to the battery housing so as to cover the opening of the battery housing; and a sealing gasket for surrounding the battery cap so as to seal the gap between the battery cap and the battery housing. The sealing gasket and the upper end of the battery housing are bent by means of crimping so as to surround the edge of the battery cap. The sealing gasket has a recessed part at a portion corresponding to the upper edge of the edge of the battery cap.
Resumen de: WO2026059301A1
The present invention relates to an electrolyte solution additive, an electrolyte solution and a secondary battery which comprise same, and a manufacturing method therefor. According to the present invention, the secondary battery and the like are provided, the secondary battery having a stable film formed on a cathode or an anode for various lithium secondary batteries including high-nickel, mid-nickel, Si anode, lithium iron phosphate (LFP), lithium manganese-rich (LMR) batteries or cobalt-free batteries so as to inhibit side reactions inside a battery, having low charging/discharging resistance such that charging efficiency and output can be improved, enabling an increase in battery resistance to be suppressed even if stored for a long time under high temperature conditions and low temperature conditions, enabling flammable ethylene gas, which is generated at a cathode by SEI decomposition due to an increase in the internal temperature of a nonaqueous electrolyte lithium secondary battery so as to cause thermal runaway acceleration, to react to significantly suppress gas generation in an anode so that thermal runaway can be delayed and even suppressed, having LSV oxidation film and/or a CV reduction film so that cathode/anode protection and solvent decomposition inhibition effects can be exhibited, and having an improved resistance value, which deteriorates during formation in a battery manufacturing line, such that initial resistance and a resistance increase rate can be
Resumen de: WO2026059151A1
A communication control method according to an embodiment of the present invention is a communication control method of a battery system control device interworking with one or more battery management systems (BMSs) and a network switch, and may comprise the steps of: monitoring a dynamic host configuration protocol (DHCP) allocation process between the network switch and each battery management device; collecting client internet protocol (IP) addresses and media access control (MAC) addresses during the monitoring; and matching and storing the IP addresses with battery management devices having MAC addresses matched with the collected MAC addresses.
Resumen de: WO2026056112A1
The present invention relates to the technical field of batteries, and in particular, to a solid-state electrolyte, a battery containing the solid-state electrolyte, and a preparation method therefor. The solid-state electrolyte is prepared from an electrolyte precursor by means of a thermally-initiated in-situ polymerization process; the electrolyte precursor comprises cellulose, a polymer monomer, a lithium salt, a plasticizer, an additive, and a thermal initiator; by means of dissolving cellulose in the solid-state electrolyte precursor and uniformly compounding with a separator during in-situ polymerization, the heat shrinkage resistance of the separator and the overall safety of the battery are improved; compared with the process of using cellulose on the separator side to improve safety, the present invention does not require any additional treatment on the separator, does not increase the thickness of the separator, and the prepared battery has good overall performance and a low cost. During the manufacturing process of the battery in the present application, the cellulose-containing solid-state electrolyte is compounded with the separator to form a solid-state electrolyte-separator composite with high mechanical strength and high thermal stability, thereby improving the resistance of the battery to thermal runaway.
Resumen de: WO2026056202A1
Provided in the present application are a beam structure, a battery box, and a battery pack. The beam structure comprises an anti-expansion beam and a frame beam, a first side of the anti-expansion beam being used for abutting against a cell of a battery pack, the frame beam being connected to a second side of the anti-expansion beam, and the frame beam being located on the outermost side of a box of the battery pack to be used as a side frame of the box, wherein the anti-expansion beam and the frame beam are integrally arranged.
Resumen de: WO2026055977A1
Embodiments of the present application provide a battery cell, a battery device, and an electric device. The battery cell comprises a casing and electrode terminals. The casing comprises a first wall; and the electrode terminals are arranged on the first wall, and each electrode terminal comprises a main body portion and a flange portion protruding from a peripheral side of the main body portion. The electrode terminal further comprises protruding portions protruding from the peripheral side of the main body portion. In the thickness direction of the first wall, the protruding portions are connected to the flange portion, and a first reinforcing portion is provided at a position where each protruding portion is connected to the flange portion. The technical solution of the present application can improve the reliability of the battery cell.
Resumen de: WO2026059159A1
An electrode and a battery of the present invention comprise: an electrode current collector; an electrolyte layer disposed on one surface or both surfaces of the electrode current collector; an electrode active material layer disposed between the electrode current collector and the electrolyte layer; and a support layer disposed between the electrode active material layer and the electrolyte layer and including first inorganic particles and second inorganic particles, wherein the true density of the first inorganic particles may be less than or equal to the true density of the second inorganic particles.
Nº publicación: WO2026059404A1 19/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2026059404A1
A method for manufacturing a secondary battery, of the present invention, comprises the steps of: forming an anode film by applying an anode slurry to one surface of a current collector and drying same; attaching, to the other surface of the current collector, a cathode film formed by a dry process; and forming a bipolar electrode by simultaneously rolling the cathode film and the anode film.
BOPI
Sede Electrónica
