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574
resultados
Última actualización
15/09/2026 [08:53:00]
Resultados 250 a 275 de 574
Resumen de: US20260269273A1
In order to improve the coulombic efficiency, electric capacity, and the like of an anode current collector, the present invention provides an anodeless lithium secondary battery using a sintered body of a mixture of an amorphous alloy powder or metallic glass powder and a non-metallic powder, or an anodeless lithium secondary battery comprising a current collector made of a sintered body of a mixture of an amorphous alloy powder or metallic glass powder containing two or more elements.
Resumen de: US20260269643A1
A device comprises at least one charging circuit, which comprises at least one input for connecting to at least one energy source, at least one output for connecting to at least one load and having an output voltage, and a controller configured to generate a control signal having an enabling signal portion, or a disabling signal portion, or both an enabling signal portion and a disabling signal portion, the and an output stage configured to, during the enabling signal portion, couple an inductor to the at least one input, or the at least one output, or both the at least one input and the at least one output, and during the disabling signal portion, isolate the inductor from the at least one input, or the at least one output, or both the at least one input and the at least one output.
Resumen de: US20260269421A1
Provided in this embodiment is an electric storage apparatus includes: a plurality of electric storage devices arranged in a first direction and each including a gas release valve directed in a second direction orthogonal to the first direction; a duct part disposed to overlap the gas release valve of each of the electric storage devices in the second direction; an adjacent member including a body located between each adjacent ones in the first direction of electric storage devices, and a locking piece extending from the body along the duct part in a direction away in the second direction from the body to lock the duct part; and an abutment part in abutment with the locking piece from an opposite side to the duct part in a third direction orthogonal to each of the first direction and the second direction.
Resumen de: US20260269410A1
The present application provides an energy storage battery pack, which includes a battery module, a battery management unit, an upper housing unit, and a lower housing. The upper housing unit includes an upper housing body and a terminal, the terminal is embedded in the upper housing body, and is integrally formed with the upper housing body; an opening of the upper housing body is opposite to an opening of the lower housing, the upper housing unit is fixedly connected to the lower housing, the upper housing body and the lower housing jointly enclose an accommodation cavity, and the battery module and the battery management unit are connected and arranged in the accommodation cavity; and a first end of the terminal extends into the accommodation cavity and is connected to the battery management unit, and a second end of the terminal is configured to be connected to an external device.
Resumen de: US20260269370A1
A battery package is disclosed. The battery package of the present disclosure includes: a pack case; a plurality of battery modules accommodated in an accommodating space of the pack case; a heat sink on a lower plate of the pack case; and a plurality of thermal resins between the plurality of battery modules and the heat sink configured to conduct heat from the plurality of battery modules to the heat sink and configured to be converted to an insulation layer by ceramicization during thermal runaway of the plurality of battery modules.
Resumen de: US20260269316A1
A battery 100 of the present disclosure includes a positive electrode 23, a negative electrode 26, a separator 27, and an electrolyte solution 29. The positive electrode 23 includes, as a positive electrode active material, a lithium oxide in which a transition metal is dissolved to form a solid solution, the lithium oxide having an antifluorite crystal structure. The electrolyte solution 29 includes at least one additive selected from the group consisting of an organophosphorus compound and an organophosphite compound. The electrolyte solution 29 may further include a nonaqueous solvent, and the additive may be dissolved in the non-aqueous solvent.
Resumen de: US20260269398A1
The present disclosure may provide a battery pack comprising: a power storage device including battery cells; and a plate having a seating portion in which the power storage device is seated, wherein the plate has a through-hole in at least a partial region thereof, and at least a part of the through-hole is covered with a sealing material.
Resumen de: US20260269441A1
A battery includes a charge/discharge body containing an electrolyte, a housing body (lid 420) including a liquid introduction hole (420c), and a sealing plug (440) inserted in the liquid introduction hole (420c). The liquid introduction hole (420c) in the lid (420) includes a first penetrating portion (420P) and a second penetrating portion (420Q). The first penetrating portion (420P) includes a first inner circumferential surface (423) and a confronting surface (425). The second penetrating portion (420Q) includes a second inner circumferential surface (427). The sealing plug includes a first insert (440P) and a second insert (440Q). The first insert (440P) includes a first outer circumferential surface and a confronted surface (445). The second insert (440Q) includes a second outer circumferential surface (447). The length (L1) of a clearance (S1) between the second inner circumferential surface (427) of the lid (420) and the second outer circumferential surface of the sealing plug is larger at least partly than the length (L2) of a clearance (S2) between the first inner circumferential surface (423) of the lid (420) and the first outer circumferential surface of the sealing plug
Resumen de: US20260265012A1
0000 A method includes collecting, in a first memory area, first data indicating an electrode sheet first event in which a roll-to-roll process is performed; and copying the first data to a second memory area.
Resumen de: AU2025365105A1
The present application provides a positive electrode material, a preparation method therefor, a positive electrode sheet, and a battery. The positive electrode material comprises a nickel-cobalt-manganese-aluminum quaternary positive electrode material and a lithium iron phosphate positive electrode material. The chemical formula of the nickel-cobalt-manganese-aluminum quaternary cathode material is Li(1+u)NivMn wCoxAlyAzO2, where u≥0, and v+w+x+y+z = 1. The chemical formula of the lithium iron phosphate positive electrode material is Li1+kFe(PO4)1+mBn, where k, m, and n≥0, and A and B are both doping elements. The mass ratio of the nickel-cobalt-manganese-aluminum quaternary positive electrode material to the lithium iron phosphate positive electrode material is (0.5-5.0): (5.0-9.5).
Resumen de: WO2026184246A1
The present application relates to an energy storage device, an energy storage system, a charging network, and a battery device. A pressure relief mechanism is activated if thermal runaway occurs in a battery cell, so that the battery cell enables directional pressure relief. The pressure relief mechanism is in communication with a second cavity, and the second cavity is disposed independently of a first cavity, thus discharged gas enters the second cavity, thereby reducing the probability of contact with a voltage-carrying component of the battery cell. Meanwhile, the second cavity is in communication with an external exhaust assembly, so that the gas entering the second cavity can be discharged to the outside in time by means of the exhaust assembly, thereby reducing the accumulation of gases released during thermal runaway. With such an arrangement, the probability of combustion or explosion of the battery device during thermal runaway is effectively reduced, and the reliability of the energy storage device is improved.
Resumen de: WO2026184691A1
The present application discloses an energy storage cabinet and an energy storage apparatus. The energy storage apparatus comprises an energy storage cabinet and a battery pack assembled in the energy storage cabinet. The energy storage cabinet comprises: a cabinet body, a liquid cooling assembly, and a floor drain. A battery compartment is formed in the interior of the cabinet body. The cabinet body comprises a bottom plate and a mounting member. The bottom plate is configured to form a bottom wall of the battery compartment. A notch is formed in the bottom plate. The bottom plate is recessed in the direction away from the battery compartment to form a flow guide groove. The flow guide groove is in communication with the notch. The mounting member is provided at the notch and is connected to the bottom plate. The liquid cooling assembly comprises a liquid cooling pipe. The liquid cooling pipe is disposed in the battery compartment, and is connected to the cabinet body. The projection of the liquid cooling pipe on the bottom plate at least partially coincides with the projection of the flow guide groove, and the liquid cooling pipe is configured to convey a cooling liquid. The floor drain is assembled in the mounting member, and the floor drain is configured to discharge liquid from the interior of the battery compartment.
Resumen de: WO2026183949A1
The present application belongs to the technical field of batteries. Provided are a battery module, a battery pack and an electric device. The battery module comprises: a plurality of battery cell assemblies stacked in a first direction, wherein the plurality of battery cell assemblies comprise two first battery cell assemblies respectively located at two ends in the first direction, and at least one second battery cell assembly located between the two first battery cell assemblies, each first battery cell assembly comprising a first battery cell and a first fixing structural member, which is arranged around the outer side of the first battery cell and is configured to press and hold the first battery cell; a spacer, which is arranged between every two adjacent battery cell assemblies and is configured to cushion the expansion of the battery cell assemblies in the first direction; and a second fixing structural member, which is arranged around the outer side of the plurality of battery cell assemblies and is configured to press and hold the plurality of battery cell assemblies. The technical problem to be solved is how to maintain the battery cell assembly efficiency while suppressing the expansion of the battery cells. The technical effects are that the expansion of the battery cells is rationally restricted and the battery cell assembly efficiency is also improved.
Resumen de: WO2026184169A1
Disclosed in the embodiments in the present application are a secondary battery, an electrochemical device, an electric apparatus, and a preparation method for a secondary battery. The secondary battery comprises an electrode assembly, a first tab and a second tab. The electrode assembly comprises a first edge and a second edge which are arranged opposite each other, a third edge and a fourth edge which are arranged opposite each other, a fifth edge which connects to the second edge and the third edge, and a sixth edge which connects to the first edge and the third edge. The complementary angle of the included angle between the fifth edge and the third edge is α1, and the complementary angle of the included angle between the fifth edge and the second edge is α2, where 0<α1<90° and 0<α2<90°. The complementary angle of the included angle between the sixth edge and the third edge is β1, and the complementary angle of the included angle between the sixth edge and the first edge is β2, where 0<β1<90° and 0<β2<90°. The first tab extends from the fifth edge of the electrode assembly. The second tab extends from the sixth edge of the electrode assembly. The secondary battery is conducive to improving the energy density.
Resumen de: US20260268472A1
Disclosed in the present application are an electrode sheet inspection method and system. The method comprises: acquiring an image to be subjected to inspection, which is collected from an electrode sheet; on the basis of preset edge-capture region information, determining at least one edge-capture region from the image, wherein the preset edge-capture region information comprises position information and/or size information of the edge-capture region; performing boundary detection on each edge-capture region, so as to obtain a first boundary line in each edge-capture region, wherein the first boundary line is used for delineating different partitions of the electrode sheet that are arranged in a widthwise direction; and using the first boundary line in each edge-capture region to determine width information related to the electrode sheet. In this way, the present application can implement automatic inspection for an electrode sheet.
Resumen de: WO2026184757A1
The present application belongs to the technical field of batteries. Disclosed are a battery housing and a battery. The battery housing comprises a housing body and a cover plate. The housing body comprises two first wall surfaces arranged opposite to each other, and two second wall surfaces arranged opposite to each other. The cover plate comprises a sealing platform and an insertion boss. The sealing platform is configured to seal the housing body. A length dimension of the insertion boss in a first direction is defined as a; and a spacing dimension between the two opposite first wall surfaces is defined as c, satisfying 0.05 mm ≤ (a-c) ≤0.1 mm. By providing the insertion boss, and enabling the length dimension a of the insertion boss in the first direction to be greater than the spacing dimension c between the two opposite first wall surfaces, interference fit is achieved while enlarging a contact area between the cover plate and the housing body, such that frictional resistance is improved, and the cover plate, when being assembled with the housing body, is prevented from being sprung open, which would otherwise result in a certain step and gap between the cover plate and the housing body, thereby improving the process yield and enhancing the sealing effect after welding.
Resumen de: US20260269233A1
A positive electrode material includes a layered oxide represented by a chemical formula NaaNibFecMndMeOf, where 0.8≤a≤1, 0≤b≤0.2, 0.25≤c≤0.5, 0.26≤d≤0.6, 0≤e≤0.1, 1.8≤f≤2, and M is a doping metal element. The preparation method for the positive electrode material includes the step of sintering a precursor of NaaNibFecMndMeOf. The positive electrode includes the layered oxide represented by the chemical formula, and the sodium battery includes the positive electrode. The electric apparatus includes the sodium battery. The layered oxide contained in the positive electrode material features high structural stability, gram capacity and energy density, and good cycling performance.
Resumen de: AU2025338227A1
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: US20260269300A1
A battery manufacturing apparatus includes a negative electrode notching device configured to assign a first electrode ID to individual notched electrodes; a first cutting device for separating individual negative electrodes assigned the first electrode ID; a positive electrode notching device configured to assign a second electrode ID to individual notched electrodes; a second cutting device for separating individual positive electrodes assigned the second electrode ID; a stacking device configured to stack the individual positive electrodes and the individual negative electrodes with a separator therebetween; and a roll map creating device.
Resumen de: US20260269529A1
A connector inspection device, for connecting to a connector of a battery module and inspecting the performance of the connector, including a first body portion, a second body portion having a first surface connected to a surface of the first body portion, a third body portion that has a first surface connected to a second surface of the second body portion and includes a detection member connected to the connector and receiving an electrical signal from the connector, and a fourth body portion having a first surface facing the second surface of the third body portion, having the detection member located therein, and being movable toward the third body portion is provided. The second body portion, the third body portion, and the fourth body portion may be movable along the surface of the first body portion.
Resumen de: US20260264925A1
The present disclosure relates to a secondary battery packaging interleaf and a secondary battery packaging box, and more specifically, relates to a secondary battery packaging interleaf and a secondary battery packaging box, capable of preventing damage to recognition codes of a plurality of accommodated cylindrical battery cells.According to one example, it is possible to provide a secondary battery packaging interleaf comprising a partition wall forming multiple accommodation spaces, in which multiple cylindrical battery cells with printed recognition codes are each accommodated, and provided with a contact prevention portion that is not in contact with the recognition code on the outer peripheral surface of the accommodated cylindrical battery cell, and a packaging box comprising the same.
Resumen de: US20260269245A1
A sodium ion battery is provided. The sodium ion battery includes a cathode which has a composite cathode active material, and an anode which has an anode active material. The composite cathode active material includes at least a first cathode active material and a second cathode active material. The first cathode active material and/or the second cathode active material is a polyanionic cathode active material. Prior to a first discharging and/or charging process of the sodium ion battery, the first cathode active material is fully sodiated and the second cathode active material is fully desodiated. The anode active material is pre-sodiated prior to the first discharging and/or charging process of the sodium ion battery. Also provided are a method for producing a sodium ion battery of this type and a use of a sodium ion battery of this type.
Resumen de: WO2026184360A1
The present application relates to the technical field of batteries. Provided are a fixing base, an end plate assembly and a battery module. The fixing base comprises a body and two retaining edges, wherein one end of the body is provided with an output terminal mounting channel; the output terminal mounting channel extends in a first direction and penetrates one side of the body to form a first channel port; the two retaining edges are connected to the body; and in a second direction, the two retaining edges are respectively located on two sides of the output terminal mounting channel and are arranged adjacent to the first channel port.
Resumen de: US20260269242A1
According to an embodiment, a battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode contains a first oxide. In a hard X-ray photoelectron spectroscopic spectrum for a surface of the positive electrode, a ratio B/A is 0.07 or more and 0.20 or less. The negative electrode contains a lithium titanium-containing oxide. In a hard X-ray photoelectron spectroscopic spectrum for a surface of the negative electrode, a ratio D/C is 0.75 or more and 1.8 or less. The electrolyte contains a carboxylic acid ester and a cyclic carbonate. A volume of the carboxylic acid ester is at least 2.3 times a volume of the cyclic carbonate.
Nº publicación: US20260269231A1 10/09/2026
Solicitante:
KK TOSHIBA [JP]
KABUSHIKI KAISHA TOSHIBA
Resumen de: US20260269231A1
According to one embodiment, an electrode includes an active material including an oxide represented by a general formula LixNi1-a-b-cCOaMnbMcO2 (wherein x, a, b and c satisfy 0.9≤x≤1.25, 0.05≤a≤0.5, 0.03
BOPI
Sede Electrónica
