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1254
resultados
Última actualización
28/02/2026 [07:34:00]
Resultados 25 a 50 de 1254
Resumen de: US20260058249A1
An electrical energy storage device includes storage cells and a plurality of temperature control elements through which a temperature control medium flows and by which the temperature of the storage cells can be controlled. A distribution element is common to the temperature control elements and through which the temperature control medium flows and into which associated connection pieces of the temperature control elements are inserted so that the temperature control elements are fluidically connected to the distribution element. The distribution element has a distribution channel common to the temperature control elements and through which the temperature control medium flows. For each temperature control element, the distribution element comprises at least one through-flow opening through which the temperature control medium flows and into which the associated connection piece of the associated temperature control element is inserted, and the associated connection piece projects at least partially into the distribution channel.
Resumen de: US20260058246A1
A heat sink assembly including a plurality of heat sinks having a plurality of ribs integrally molded along an internal length direction by extrusion molding, the spaces between the ribs forming a flow path through which a coolant flows, the first and second surfaces at both ends of the length direction being open, and the plurality of heat sinks having communication ports on one side wall adjacent to the first surface and/or the second surface is provided The plurality of heat sinks are integrally formed with the side walls forming bonding surfaces to match the communication ports and forming a heat sink module. The overall flow path of the heat sink module is fluidly connected by a communication port. The ribs of the heat sink having a length such that both ends are spaced apart from the first and second surfaces by a predetermined distance, and the open first and second surfaces of both ends of the heat sink module are closed by a pack frame.
Resumen de: US20260058269A1
A multifunctional mobile energy storage box, including an upper cover, a casing, an inner liner, an energy storage unit, an inverter unit, a refrigeration unit, a power socket unit, a thermal management unit, and a main control unit, where the upper cover openably and closably covers an upper end of the casing, and the inner liner is placed in the casing; the refrigeration unit comprises a compressor, a condenser, and an evaporator, and the evaporator is arranged on an outside wall of the inner liner or placed on an inside wall of the casing; the power socket unit comprises a socket of at least one external electrical device; and the main control unit detects parameters of the energy storage unit, the inverter unit and the refrigeration unit in real time, controls switching on, shutdown and operation of the refrigeration unit and the power socket unit according to the detected parameters.
Resumen de: US20260058245A1
A battery assembly according to the present disclosure includes a plurality of battery cells, each including an electrode assembly and a housing receiving the electrode assembly, a venting portion formed on one surface of a housing of each of the plurality of battery cells, a tab portion formed on at least one surface of the housing of each of the plurality of battery cells to connect the electrode assembly to an outside, and a battery group, wherein at least a portion of the plurality of battery cells are stacked along a first direction facing the venting portion.
Resumen de: US20260058268A1
A secondary battery according to embodiments of the present disclosure includes a case including a terminal hole that penetrates a top surface thereof; an electrode assembly accommodated in the case; a terminal part inserted into the terminal hole; and a scaling member that extends from the inside of the case to a region between the case and the terminal part, and is disposed between the case and the terminal part.
Resumen de: WO2026040726A1
Disclosed are a thermal insulation composite material, a preparation method therefor, and a cover plate comprising the thermal insulation composite material. The thermal insulation composite material comprises reinforcing fibers and a molding agent coated on a surface of the reinforcing fibers, wherein the reinforcing fibers comprise 0-74 wt% of reinforcing fibers in a continuous phase and 26-100 wt% of reinforcing fibers in a discontinuous phase, based on the total weight of the reinforcing fibers; and the molding agent has passed UL94 V0-level flame-retardant performance testing. The thermal insulation composite material of the present invention can withstand burning at a high temperature of 1000°C or 1300°C for 30 minutes without burn-through, and exhibits excellent thermal insulation performance and fire resistance.
Resumen de: WO2026042939A1
The present disclosure provides an energy storage system. The energy storage system comprises a first battery container and a control unit for controlling the first battery container, wherein the first battery container includes: a first set of battery racks; a first master battery management system (BMS) which is connected to the control unit through a first channel and which is a lower level of the control unit; and a first set of slave BMSs which are connected to the first master BMS through a second channel and which are a lower level of the first master BMS, the control unit is connected to the first set of slave BMSs through a third channel, and the first channel, the second channel and the third channel are independent of each other.
Resumen de: WO2026042477A1
The present invention is a secondary battery comprising a positive electrode, a negative electrode, and an electrolyte solution, wherein: the positive electrode contains a transition metal oxide; the transition metal oxide includes Ni and a metal that serves as a carrier ion; the Ni content relative to the total of the metals — excluding the carrier ion metal — that constitute the transition metal oxide is 65 atom% to 99 atom%; and the electrolyte solution contains a compound (A) or (A)' represented by general formula (1) or (2), an electrolyte, and a nonaqueous solvent.
Resumen de: WO2026042601A1
A battery cooling system according to the present invention cools a chargeable battery module (20) mounted on an eVTOL (electric moving body). This battery cooling system comprises a refrigerant supply device and a pressure adjustment device. The refrigerant supply device has, for example, a supply pump (30). The refrigerant supply device is connected to the battery module (20) and supplies a refrigerant to the inside of the battery module (20). The pressure adjustment device has, for example, a vacuum pump (40). The pressure adjustment device is connected to the battery module (20), and adjusts the boiling point of the refrigerant by adjusting the internal pressure of the battery module (20).
Resumen de: WO2026042424A1
The present disclosure provides: a composition for an electrolytic solution, which achieves improvement in capacity retention rate during high-temperature storage; and an electrochemical device, a secondary battery, and a lithium ion secondary battery, each of which uses the composition for an electrolytic solution. The present disclosure relates to a composition for an electrolytic solution, the composition containing a fluorinated ether (E) represented by formula (E) and a lithium carboxylate (L) represented by formula (L). (E) Rf1-O-R (In the formula, Rf1 is a fluoroalkyl group having 1 to 6 carbon atoms, and R is H or an alkyl group having 1 to 6 carbon atoms. The alkyl group of R may have an ether bond and/or fluorine.) (L) Rf2-COOLi (In the formula, Rf2 is a fluoroalkyl group having 1 to 6 carbon atoms.)
Resumen de: WO2026042505A1
A power storage device 10A comprises: a cell 12A; a management device that manages the cell 12A; an estimation unit 21A that estimates, at a predetermined timing, a battery state parameter representing the state of the cell 12A on the basis of battery history data; and a storage unit 22A that stores the battery state parameter as a battery state file 30, wherein the storage unit 22A stores the battery state file 30 so that the battery state file 30 can be output.
Resumen de: WO2026040358A1
The present application discloses a battery cell, a battery device, and an electric device. The battery cell comprises a positive electrode sheet and a negative electrode sheet; in the positive electrode sheet, a positive electrode active material layer comprises a positive electrode active material, the positive electrode active material comprises a nickel cobalt manganese metal oxide, and on the basis of the total molar mass of nickel, cobalt and manganese in the nickel cobalt manganese metal oxide, the molar proportion of nickel in the nickel cobalt manganese metal oxide is 80%-96%; or the positive electrode active material comprises a nickel cobalt aluminum metal oxide, and on the basis of the total molar mass of nickel, cobalt and aluminum in the nickel cobalt aluminum metal oxide, the molar proportion of nickel in the nickel cobalt aluminum metal oxide is 80%-96%; in the negative electrode sheet, a negative electrode active material layer comprises a negative electrode active material, and the negative electrode active material comprises graphite and a silicon-containing material; and on the basis of the total mass of the negative electrode active material, the mass proportion of silicon in the negative electrode active material is 0.1%-10%, and the thickness of a negative electrode current collector is 3%-8% of the total thickness of the negative electrode sheet. Therefore, a battery can have both a higher energy density and a longer service life.
Resumen de: WO2026040354A1
Provided are a battery cell, a battery apparatus, and an electric device. The battery cell comprises: a positive electrode sheet, the positive electrode sheet comprising a positive electrode film layer, and the positive electrode film layer comprising a lithium iron phosphate material and a lithium supplementing agent; a negative electrode sheet, the negative electrode sheet comprising a negative electrode film layer, the negative electrode film layer comprising a negative electrode active material, and the negative electrode active material comprising graphite; a separator, the separator being located between the positive electrode sheet and the negative electrode sheet; and an electrolyte, the electrolyte comprising a lithium salt, the lithium salt comprising an organic lithium salt and an inorganic lithium salt, the organic lithium salt comprising at least one of lithium bis(fluorosulfonyl)imide, lithium difluoro(oxalato)borate, and lithium difluoro(oxalato)phosphate, the inorganic lithium salt comprising at least one of lithium hexafluorophosphate, lithium tetrafluoroborate, and lithium fluorosulfonate, and the mass ratio of the inorganic lithium salt to the organic lithium salt being (6-2):1. Therefore, battery cells having long service life and high power can be obtained.
Resumen de: WO2026040353A1
A battery cell (5), a battery device and an electric device. The battery cell (5) comprises: a positive electrode sheet, which comprises a positive electrode film layer, wherein the positive electrode film layer comprises a first area and a second area, the first area comprises iron and phosphorus, the molar ratio of phosphorus to iron being 0.5-1.5, and the second area comprises phosphorus and a transition metal M, the molar ratio of phosphorus to the transition metal M being a, and a satisfying 0≤a≤0.2; a negative electrode sheet; and an electrolyte, which comprises an additive, wherein the additive comprises one or more of a phosphorus-containing additive, a fluorine-containing additive and a sulfur-containing additive, and on the basis of the total mass of the electrolyte, the sum of the mass of the phosphorus-containing additive, the fluorine-containing additive and the sulfur-containing additive accounts for 0.2-2.1%. Therefore, the cycle life of a battery is prolonged, and the energy density thereof is improved.
Resumen de: US20260058242A1
A power storage cell includes: an electrode body; a cell case housing the electrode body; and a heat conductive film provided on an outer surface of the cell case. The outer surface includes a facing surface that faces a cooler that is externally provided. The heat conductive film is provided on the facing surface and has insulation and elasticity.
Resumen de: US20260058343A1
An electrode assembly includes unit cells stacked in a stacking direction, each including an electrode structure, a separator structure, and a counter-electrode structure. The electrode structure includes an electrode current collector and an electrode active material layer, the electrode structure extends in a longitudinal direction perpendicular to the stacking direction, an end portion of the electrode current collector extends past an outer surface of the electrode active material layer and the separator structure. The electrode assembly further includes an adhesive layer including a resistive polymeric material, and an electrode busbar attached to the end portions of the electrode current collectors through the adhesive layer. The adhesive layer is configured to adhere with the electrode busbar and the electrode current collectors below a transition temperature, and at least partially melt at or above the transition temperature to increase an electrical resistance between the electrode busbar and the electrode current collectors.
Resumen de: US20260058243A1
The present disclosure provides a battery pack and an assembly method thereof. The battery pack includes a housing, a liquid cooling plate, a thermally conductive fixation layer and a plurality of battery cells. The plurality of battery cells is arranged in an array within the housing. The liquid cooling plate covers the housing. The thermally conductive fixation layer fills and cures in the gaps between the battery cells and the housing. The thermally conductive fixation layer is further sandwiched between a shoulder portion of the battery cell and the liquid cooling plate and encapsulates terminal posts of the battery cell. An avoidance channel is formed in the thermally conductive fixation layer. The avoidance channel is aligned with the explosion-proof valve of the battery cell.
Resumen de: US20260058239A1
Disclosed are a battery pack and a vehicle including the same. A battery pack according to an embodiment of the present disclosure includes a plurality of pouch-type battery cells; a pack case accommodating the plurality of pouch-type battery cells in an internal space and provided with a heat sink; and a cell cover that at least partially surrounds and supports at least some of the pouch-type battery cells among the plurality of pouch-type battery cells in the internal space of the pack case, wherein the heat sink is configured in a structure for pressing the cell cover.
Resumen de: US20260058265A1
There is disclosed herein a cylindrical secondary cell (1), comprising a cylindrical enclosure (2) comprising a first enclosure end (2a), a second enclosure end (2b) and an enclosure sidewall (2c) extending between the enclosure ends (2a, 2b), wherein at least one enclosure end (2b) is open. The cell further comprises an electrode roll (20), a lid (10), and a current collector disc arranged between the lid and the electrode roll (20) and in direct electrical contact with the electrode roll (2). The cylindrical enclosure (2) comprises a flat flange section (2f) extending from the enclosure sidewall (2c) at the open enclosure end (2b), and the radially outermost portion of the lid (10) is configured to abut and match the flat flange section of the cylindrical enclosure, and is welded to said flat flange section (2f).
Resumen de: WO2026040828A1
A battery cell assembly, a battery pack, and an electric device, relating to the technical field of energy storage. The battery cell assembly comprises cover plates and an alarm device. Each cover plate is provided with a pole, each pole comprises a protector, and a battery cell is connected to external ports by means of the protectors to form a current path. The protectors disconnect the current path when a disconnection condition is satisfied, wherein the disconnection condition comprises at least one of a current exceeding a first threshold and a temperature exceeding a second threshold. The alarm device is connected to the protectors, and the alarm device gives an alarm when the temperature exceeds a third threshold, wherein the third threshold is less than the second threshold.
Resumen de: WO2026044263A1
The present inventions relate to methods, systems, apparatuses, controllers, software, and composition of matter associated with electrochemical energy storage devices. The present inventions relate to one or more additives for batteries, e.g., silicon-based batteries. The additives are integrated in the electrode counter-electrode, and/or electrolyte. The additives are configured to enhance electrochemical kinetics, reduce overpotential, suppress parasitic reactions, stabilize passivation layers, suppress dendrite formation, improve capacity retention, enable fast charging, increase coulombic efficiency, enhance reversibility over extended cycling, or any combination thereof.
Resumen de: WO2026043850A1
Systems and methods directed to a battery management system (BMS) for controlling charging of a battery are provided. Parameters corresponding to a state of the battery are received and provided to a trained machine learning model. The machine learning model generates a virtual reference electrode. A predicted anode voltage of the battery is determined using the virtual reference electrode. The system for charging the battery is controlled via the charging protocol using the predicted anode voltage of the battery.
Resumen de: WO2026040705A1
Provided in the present application are a SOC correction method and SOC correction apparatus for a charging termination stage of a battery. The method comprises: when it is determined, by means of a battery management system and a charging current of a battery, that the battery is currently in a charging state, and the temperature of the battery is within a preset temperature range, acquiring a terminal voltage of the battery; on the basis of the terminal voltage and a starting correction voltage threshold value of a charging termination stage, determining a current charging stage of the battery; and when the current charging stage of the battery is the charging termination stage, on the basis of the terminal voltage, acquiring a target SOC value corresponding to the battery, and on the basis of an error between an actual SOC value and the target SOC value of the battery, using a fuzzy self-tuning PID control algorithm to correct the actual SOC value, so as to obtain a corrected SOC value of the battery. By means of the method and apparatus, a fuzzy self-tuning PID control algorithm is used to correct an overestimated SOC point in advance, such that the overestimated SOC point smoothly approaches a target SOC value, thereby realizing accurate SOC estimation.
Resumen de: WO2026042422A1
The present disclosure provides: a composition for an electrolyte solution, which can suppress an increase in resistance during low-temperature storage; and an electrochemical device, a secondary battery and a lithium-ion secondary battery, each of which uses this composition for an electrolyte solution. Also provided is a novel composition. More specifically, the present disclosure is a composition for an electrolyte solution, wherein the composition contains a compound (M) represented by formula (M). (M) Rf1 - COOM (In the formula, Rf1 is a 1-6 C fluoroalkyl group, and M is an alkali metal other than Li.)
Nº publicación: WO2026042303A1 26/02/2026
Solicitante:
GS YUASA INT LTD [JP]
\u682A\u5F0F\u4F1A\u793E\uFF27\uFF33\u30E6\u30A2\u30B5
Resumen de: WO2026042303A1
A method for manufacturing a non-aqueous electrolyte power storage element according to one aspect of the present invention comprises: preparing a recovery electrode for a non-aqueous electrolyte power storage element, the recovery electrode having a substrate and an active material layer laminated on the substrate and containing an active material; immersing the recovery electrode in a solvent; peeling the active material layer from the substrate; preparing a mixture slurry containing the active material of the peeled active material layer and the solvent in which the recovery electrode is immersed; and producing a novel electrode using the mixture slurry.
BOPI
Sede Electrónica
