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1729
resultados
Última actualización
19/03/2026 [07:23:00]
Resultados 1025 a 1050 de 1729
Resumen de: US20260066367A1
A battery pack includes a battery housing, a positive terminal, a negative terminal, and a plurality of cell module assemblies. The plurality of cell module assemblies are received within an internal cavity of the battery housing, and include a top CMA cell holder frame defining a plurality of first pockets, a bottom CMA cell holder frame defining a plurality of second pockets, a top collector plate coupled to the top CMA cell holder frame, a bottom collector plate coupled to the bottom CMA cell holder frame, and a plurality of battery cells. An aluminum midplate is arranged between at least two of the plurality of CMAs. The at least two of the plurality of CMAs are separated from one another with the aluminum midplate being arranged therebetween so that an air gap is formed between the at least two of the plurality of CMAs and the aluminum midplate.
Resumen de: US20260066308A1
Provided are an anode for an all-solid-state battery, a method for preparing the same, and an all-solid-state battery including the anode. The anode includes an anode current collector, a lithium-friendly metal layer stacked on the anode current collector, and an anode active material layer stacked on the lithium-friendly metal layer, in which the anode active material layer includes a Si-based anode active material.
Resumen de: WO2026044552A1
A positive electrode active material and a preparation method therefor and the use thereof. The positive electrode active material comprises a ternary material, which comprises a compound having a chemical formula of Lia(NixCoyMz)O2, wherein 0.9≤a≤1.1, 0.5≤x＜1, 0＜y≤0.5, 0＜z≤0.5, x+y+z=1, and M comprises Mn, Al, etc. The ternary material satisfies: (1) φ=V1/(V1+V2), and 0.01≤φ≤0.1; and (2) 100≤h003≤250, wherein φ represents the pore volume filling factor of the ternary material, V1 represents the total pore volume of nitrogen adsorption in the ternary material, in cm3/g, V2 represents the total skeletal volume of the ternary material, in cm3/g, and h003 represents the number of stacked layers of the (003) crystal plane of the ternary material in the X-ray diffraction pattern, in layers.
Resumen de: WO2026044539A1
Disclosed in the present application are a portable energy storage device and an energy storage system. The portable energy storage device comprises a housing assembly, a battery cell group, and a circuit board assembly, wherein the housing assembly has a first direction and a second direction perpendicular to each other; the cell group is arranged inside the housing assembly, and comprises a plurality of battery cells arranged in the second direction, each battery cell being of a cuboid structure, each battery cell having two small faces opposite each other in the first direction and also having two large faces opposite each other in the second direction, and the area of the large faces being greater than the area of the small faces; and the circuit board assembly is arranged inside the housing assembly, and is located on the side where the small faces of the battery cells are located, and the circuit board assembly is electrically connected to the battery cells of the battery cell group.
Resumen de: WO2026045078A1
Provided in the present application are a lithium-ion battery and a preparation method therefor, a positive electrode sheet and an electric device. The lithium-ion battery comprises a positive electrode sheet; the positive electrode sheet comprises a positive electrode active layer; and the components of the positive electrode active layer comprise a positive electrode active material, a dispersing agent and a softening agent. The dispersing agent comprises a hydrogenated butadiene-acrylonitrile rubber, and the softening agent comprises a compound containing a linear chain segment. The positive electrode sheet in the lithium-ion battery has relatively good flexibility and does not easily crack, and the resistance of a film of the battery is also low.
Resumen de: WO2026044529A1
Disclosed in the present application are a cylindrical battery, a battery pack and an electronic device. The cylindrical battery comprises a casing, a cover, an electrode assembly and a current-collecting disk, wherein the cover and the casing form an accommodating space by means of enclosing; the electrode assembly is arranged in the accommodating space; and in the axial direction of the cylindrical battery, the current-collecting disk is arranged between the electrode assembly and the bottom of the casing and is connected to the electrode assembly, and the current-collecting disk has a welding region. In the axial direction of the cylindrical battery, the bottom of the casing comprises a protrusion that protrudes towards the current-collecting disk, the protrusion being welded to the welding region, and the bottom comprises a first portion, a second portion and a third portion, which are connected to one another, the second portion being arranged around the first portion to form the protrusion, and the third portion being arranged around the second portion. In the axial direction of the cylindrical battery, the projection of the protrusion is located within the projection of the current-collecting disk, and the thickness of the first portion is less than the thickness of the third portion. A welding effect between the bottom and the current-collecting disk can be improved, thereby reducing the disconnection between the bottom and the current-collecting disk, improving the c
Resumen de: WO2026044502A1
A battery device (100a), a bottom protective plate (21), and an electric apparatus. The battery device (100a) comprises a battery cell (10) and a battery case (20) in which an accommodating space is formed. The accommodating space is used for accommodating the battery cell (10). The battery case (20) at least comprises the bottom protective plate (21). The bottom protective plate (21) is at least used for supporting the battery cell (10). The bottom protective plate (21) comprises a plate body (211) and a first polyurea layer (213). The surface of the plate body (211) facing towards the accommodating space is provided with an anti-corrosion layer (212). The first polyurea layer (213) is disposed on the surface of the plate body (211) facing away from the accommodating space. The described structure can improve the reliability of the battery device (100a).
Resumen de: WO2026044500A1
An integrated battery frame (200) and a battery. The integrated battery frame (200) comprises: a metal frame (1), the metal frame (1) comprising a rectangular frame having an accommodating space, and a terminal post mounting hole (15), an explosion-proof valve hole (16), and a liquid injection hole (17) disposed on the rectangular frame; a terminal post (2), the terminal post (2) comprising a substrate (21) arranged in the metal frame, and a first end (22) arranged on a side of the substrate (21) and extending to the exterior of the metal frame via the terminal post mounting hole (15); a mounting assembly (3), the mounting assembly (3) fixing and sealing the terminal post (2) at the terminal post mounting hole (15) of the metal frame; an explosion-proof valve (4); and a sealing assembly (5). Compared with conventional battery cover plate assemblies, the integrated battery frame (200), when applied to an ultra-thin battery, not only improves the structural strength and safety of the battery, but also optimizes space utilization, simplifies the assembly process, and enhances the energy density of the battery.
Resumen de: US20260061863A1
An industrial battery design for use in a material handling vehicle. The battery includes a battery cell, a heater to provide heat to the battery cell, a temperature sensor to monitor a temperature of the battery cell, a first switching device through which power for the heater is routed, a second switching device through which power for the heater is not routed, and a controller. The controller includes circuitry configured to receive temperature data indicative of the temperature of the battery cell from the temperature sensor and to open the first switching device without opening the second switching device based on the temperature data received from the temperature sensor.
Resumen de: US20260061816A1
An electric vehicle battery automatic disconnection system using temperature detection including a battery part configured to provide power to an electric vehicle, a sensor part configured to measure a temperature of the battery part and detect smoke, a connector part configured to charge the battery part, a casing part having an inner space for housing the battery part, and an electronic coupling part configured to couple the casing part to a lower part of the electric vehicle, in which the electronic coupling part is further configured to disconnect the casing part from the lower part of the electric vehicle when the temperature detected by the sensor part exceeds a predetermined threshold or when smoke is detected.
Resumen de: US20260061234A1
A battery structure includes a plurality of battery packs, and a fluid storage part disposed at one side of the plurality of battery packs and configured to store an electrically insulative fire extinguishing fluid. Each of the plurality of battery packs includes a plurality of battery cells including electrodes and separators, a casing part defining an internal space configured to accommodate the battery cells, and a piping line connected to one end to the casing part and at another end to the fluid storage part, the piping line having a flow path configured to deliver the fire extinguishing fluid to the casing part.
Resumen de: US20260062380A1
Provided is a method of preparing a benzenesulfonyl compound by reacting a compound represented by the following Chemical Formula,and an n-hydric alcohol in the presence of a phase transfer catalyst and an alkali metal hydroxide, whereinR1 to R5 are independently of one another hydrogen, a halogen, C1-C7 alkoxy, or C1-C7 alkyl;X is a residue derived from the n-hydric alcohol;n is an integer of 1 to 4; andY is a halogen. The method has an excellent reaction speed even under mild reaction conditions and may produce the benzenesulfonyl compound in a high yield.
Resumen de: US20260061238A1
The present disclosure relates to a fire extinguishing agent spraying apparatus and method for a battery module and a spraying unit for the spraying apparatus. The apparatus includes a spraying unit including a spraying tube configured to supply a fire extinguishing agent through an internal passage into a battery module, and a plug configured to block the internal passage and to separate from the spraying tube by an external force. A fire extinguishing agent supply unit is connected to the spraying tube through an agent supply pipe, with the fire extinguishing agent supply unit being configured to supply the fire extinguishing agent to the spraying tube such that the fire extinguishing agent pushes the plug out of the spraying tube and is sprayed into the battery module.
Resumen de: US20260066370A1
A power system for a transport climate control system (TCS) includes a distributed battery system that has multiple battery modules separately attached to a chassis. Separately, battery modules are each configured to activate upon activation of a load, exchange self-identifying information with the other battery modules to identify a lead battery module, and exchange internal and performance-related data with the other battery modules. The lead battery module is configured to identify as the lead battery module to the load, transmit internal and performance-related data of the multiple battery modules to the load, and coordinate collective power distribution from one or more battery modules.
Resumen de: US20260066300A1
The present disclosure discloses a positive electrode including a current collector, and a positive electrode active material layer on the current collector. The positive electrode active material layer includes a positive electrode active material, boron nitride, and polyethylene oxide. The present disclosure also discloses a rechargeable lithium battery including the positive electrode.
Resumen de: US20260066364A1
A battery module abnormality detection device detects an abnormality in a battery module. The battery module includes a battery group in which a plurality of battery cells are arranged, and a cooling unit including a coolant pipe arranged on one surface of the battery group to extend in a direction in which the plurality of battery cells are arranged. The battery module abnormality detection device includes a first temperature sensor to measure temperature values of battery cells arranged adjacent to an inlet portion of the coolant pipe, a second temperature sensor to measure temperature values of battery cells arranged adjacent to an outlet portion of the coolant pipe, and a control unit to detect an abnormal state of the battery module by using the temperature values measured by the first temperature sensor and the temperature values measured by the second temperature sensor.
Resumen de: US20260066368A1
The present disclosure relates to a method for charging a rechargeable lithium battery including constant-current charging the rechargeable lithium battery at a current density of 4 C to 10 C; and constant-voltage charging the rechargeable lithium battery, wherein the rechargeable lithium battery includes a positive electrode active material including a lithium nickel-based composite oxide having a nickel content of greater than or equal to about 80 mol % based on 100 mol % of metals excluding lithium.
Resumen de: US20260066365A1
Discussed is a battery management apparatus that may include a measurement unit configured to measure a charging amount and a discharging amount of a battery and measure a voltage of the battery; and a control unit configured to determine a charging and discharging state of the battery based on a charging and discharging amount according to the charging amount and the discharging amount of the battery, determine a first SOC and a second SOC corresponding to the voltage of the battery based on a profile corresponding to the determined charging and discharging state of the battery, and estimate a SOC of the battery from the first SOC and the second SOC using a weight corresponding to the charging and discharging amount of the battery.
Resumen de: WO2026044981A1
A molten-salt-assisted valence-gradient-doped modified single-crystal positive electrode material, and a preparation method therefor and a use thereof. The preparation method comprises the following steps: mixing a transition metal source, a lithium source, a manganese source and a molten salt additive, sequentially performing first sintering and second sintering, and removing the molten salt additive to obtain a doped modified single-crystal positive electrode material precursor; performing tempering treatment on the doped modified single-crystal positive electrode material precursor to obtain a molten salt-assisted valence-gradient-doped modified single-crystal positive electrode material. The prepared doped modified single-crystal positive electrode material can effectively avoid capacity loss of the material, significantly reduce lattice mismatch during lithium deintercalation/intercalation, and alleviate volume strain during charging and discharging. Moreover, the formed M-O bond can enhance the structural stability of the material and inhibit the formation of micro-cracks in the material. The preparation method for the positive electrode material facilitates industrial application, and provides an idea for commercial modified positive electrode materials.
Resumen de: WO2026045155A1
The present application discloses a battery cover, a battery, a battery pack, and an electric device. The battery cover comprises a cover body, the cover body comprises a metal cover plate and an insulating ring, the metal cover plate is connected to one end of the insulating ring, and the other end of the insulating ring is used for being connected to a case of a battery. In the extension direction of a battery cell of the battery, the insulating ring is provided with a first protrusion, and the first protrusion is used for insulating a tab from the case. The first protrusion on the insulating ring effectively provides an insulating barrier to prevent a potential short circuit between the tab and the case, further enhancing the safety performance of the battery.
Resumen de: WO2026045138A1
An electric device, comprising a battery assembly. The battery assembly is provided with a heat-absorbing member between any two adjacent battery units, wherein each battery unit includes N cells arranged in sequence, N≥1, the heat-absorbing member includes a heat-absorbing main material, and the mass of the heat-absorbing main material satisfies a relational expression defined in the present application, thereby ensuring that the heat-absorbing member can effectively suppress thermal diffusion from a cell undergoing thermal runaway, without significantly reducing the space utilization rate of the battery assembly.
Resumen de: WO2026045108A1
A battery pack, comprising a battery module, an upper cover portion, a lower cover portion, and a reinforcing plate. The upper cover portion and the lower cover portion define an accommodating cavity; in a first direction, at least one side of the upper cover portion is provided with a first connecting edge, and at least one side of the lower cover portion is provided with a second connecting edge; the reinforcing plate is provided with a third connecting edge, and the second connecting edge is sandwiched between the first connecting edge and the third connecting edge to form a connection mating portion; and a crushing space is provided between the battery pack and the connection mating portion.
Resumen de: WO2026044488A1
The present application relates to the technical field of batteries, and in particular to a battery and a battery processing technology. The battery comprises: a case, comprising a cell frame having an accommodating space and two case covers, wherein a pole mounting hole, an electrolyte injection hole, and an explosion-proof valve hole are formed on the cell frame; an electrode core assembly, arranged in the accommodating space of the cell frame, wherein the electrode core assembly comprises an electrode core provided with a positive electrode tab and a negative electrode tab, an insulating film sleeved on the outer side of the electrode core, a spacer ring arranged between the tab side of the electrode core and the cell frame, and two side plates arranged between the opposite side of the electrode core and the cell frame; a pole assembly, arranged at the pole mounting hole, wherein the pole assembly comprises a pole, a first sealing ring sleeved on the pole, an outer insulating member and an inner insulating member which are arranged on the inner and outer sides of the pole mounting hole, and an outer connecting member arranged on the outer insulating member and fixed to the pole by welding; an explosion-proof valve, arranged at the explosion-proof valve hole; and a blocking member, sealing the electrolyte injection hole on the cell frame.
Resumen de: WO2026044490A1
Disclosed is a battery, comprising: a battery cell. The battery cell comprises a positive and negative electrode material layer and an insulating layer. One end of the positive and negative electrode material layer forms a positive electrode material terminal. A first spiral space gap is provided in the positive electrode material terminal, and a first conductive material structure is provided in the first spiral space gap. The other end of the positive and negative electrode material layer forms a negative electrode material terminal. A second spiral space gap is provided in the negative electrode material terminal, and a second conductive material structure is provided in the second spiral space gap. Since the first conductive material structure is provided in the first spiral space gap of the positive electrode material terminal, and the second conductive material structure is provided in the second spiral space gap of the negative electrode material terminal, gap spaces formed by inward flattening can be avoided, the stability of welding between tabs and the battery cell is ensured, and adverse factors such as high internal resistance, excessive self-discharge, open circuits, or failure to operate are less likely to occur in vibrating environments during later-stage use of the battery, thereby extending the service life of the battery.
Nº publicación: WO2026044464A1 05/03/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026044464A1
Embodiments of the present disclosure provide a heat exchange assembly, a battery device, an electric apparatus, and an energy storage apparatus. The battery device comprises a box assembly, a battery cell assembly, and the heat exchange assembly. The box assembly is internally provided with a first accommodating cavity. The battery cell assembly is arranged in the first accommodating cavity. The heat exchange assembly is arranged in the box assembly. The heat exchange assembly comprises at least two flexible members. The at least two flexible members are stacked, at least one medium flow channel is formed between the flexible members, the at least one medium flow channel is used for allowing a heat exchange medium to flow, and the heat exchange medium is used for exchanging heat with the battery cell assembly.
BOPI
Sede Electrónica
