Resumen de: US20260024880A1
A connector module according to an embodiment of the present invention may include a first connector including a first connector housing and a first conductive part coupled to the first connector housing, and a second connector coupled to the first connector. The second connector may include a second connector housing including a frame inserted into and coupled to the first connector and a connection part connected to one surface of the frame and coupled to the first connector, a second conductive part of which at least a portion is inserted into and coupled to the frame so as to be electrically connected to the first conductive part, and a coupling housing configured to surround the second connector housing so as to couple the second connector housing to the second conductive part and restrict separation of the connection part from the frame through a stepped structure.
Resumen de: US20260024875A1
Disclosed is a battery pack, including: a casing, the casing having an exhaust channel; multiple cells, the multiple cells being all disposed in the casing, and the gas discharged from the cell being adaptable to be discharged out of the casing through the exhaust channel; an intercepting structure, disposed in the exhaust channel, the intercepting structure having an intercepting surface, the intercepting surface being configured to intercept particles mixed in the gas discharged from the cell. By setting an intercepting structure in the exhaust channel of the casing, the battery pack provided by the present disclosure may intercept the particles in the gas sprayed from the cell when the cell experiences thermal runaway, thereby preventing the particles from continuing to flow with the gas in the casing, preventing the particles from causing adverse effects on the devices in the battery pack and blocking the casing explosion-proof valve.
Resumen de: US20260024874A1
A battery cell assembly includes a housing, at least one electrode stack, a cooling plate, an insert, and a fluid flow path. The housing includes a first end and a second end and defines a cavity, the first end including terminals and the second end defining a vent. The at least one electrode stack is disposed within the cavity and includes interior portions defining a central space, the central space being aligned with the vent. The cooling plate is coupled to the second end of the housing. The insert is disposed within the central space of the at least one electrode stack. The fluid-flow path is selectively defined within the insert and directed toward the vent.
Resumen de: US20260024955A1
A battery connector separation apparatus comprises two insertion heads, a cap, an insertion chamber, and at least one guide pin. By aligning the two insertion heads parallel to each other, the insertion chamber is created for placing the connector. The apparatus is customizable for various connectors that can be inserted using interchangeable insertion heads. The apparatus is configured to mount onto a plier-like device with two handles, one pivot point, two jaws, and one compression spring. Separation occurs when the lower ends of pliers-like device handles are squeezed together after the connector is placed within the chamber. The disclosure herein details the customizable structure and method of use of the connector separation apparatus for electrical battery connections.
Resumen de: US20260024827A1
A battery inspection apparatus comprises a bearing assembly, a ray source, and a flat panel detector; the bearing assembly is used for bearing a battery under test, the ray source is located at one end of the bearing assembly, and the direction in which a detection ray of the ray source is emitted faces the battery under test; the flat panel detector is located at the other end of the bearing assembly distant from the ray source, the flat panel detector is used for receiving a detection ray that is emitted by the ray source and penetrates through the battery under test, the flat panel detector comprises a scintillator layer, and the thickness of the scintillator layer is greater than a first preset thickness, so that the density resolution of the flat panel detector is less than 0.5%.
Resumen de: US20260024759A1
Embodiments of the present application provide a secondary battery and an electric device. The secondary battery comprises a positive electrode sheet, a separator, and a negative electrode sheet; at least one of the positive electrode sheet, the separator, or the negative electrode sheet comprises an ion trapping agent; the reduction potential of the ion trapping agent relative to lithium metal is 0-2 V.
Resumen de: US20260024824A1
Disclosed is a battery managing apparatus having a switch failure diagnosing function, and a system and method including the same. The battery managing apparatus includes a main switch installed on a first line connected to a first terminal of a battery; a precharge circuit including a first precharge resistor, a precharge switch, and a second precharge resistor sequentially connected in series, and connected in parallel with both ends of the main switch; a current sensor configured to measure current flowing through a second line connected to a second terminal of the battery; a diagnosing switch installed on a branch line that connects one end of the precharge switch and the second line; and a controller operably coupled with the main switch, the precharge switch, the diagnosing switch and the current sensor.
Resumen de: US20260024746A1
An electrode assembly for lithium-ion batteries is presented. The electrode assembly includes a metal foil current collector with a laminated active material layer adhered to it and an aligned active material layer on top. The laminated layer maintains adhesion with the current collector during electrochemical cycling of the electrode assembly, while the aligned layer provides lithium-ion diffusion pathways.
Resumen de: US20260024817A1
An electrochemical device, including a tab and an electrolyte solution. The tab includes a tab metal strap. The tab metal strap includes a head blank foil region, a tab adhesive coverage region, and an ending connection region along a length direction. A tab adhesive is disposed on the tab adhesive coverage region, and a thickness of the tab adhesive is t mm, satisfying: 0.025≤t≤0.14. The electrolyte solution includes a non-fluorinated cyclic carbonate, a fluorinated cyclic carbonate, a carboxylate, and a linear carbonate.
Resumen de: WO2026016273A1
A battery (100) and a battery module (200). The battery (100) comprises a battery cell (110) and an insulation sheet (120), wherein the battery cell (110) has a top surface (1101) and a bottom surface (1102) opposite each other, and the top surface (1101) is provided with at least one terminal (111); and the insulation sheet (120) is arranged on the side of the top surface (1101) away from the bottom surface (1102), the insulation sheet (120) is provided with a connection region (121), the connection region (121) is exposed from the top surface (1101), and a press strip (20) is connected to the battery cell (110) by means of the connection region (121).
Resumen de: WO2026016211A1
Disclosed is an electrolyte for a secondary lithium metal battery, comprising an organic solvent, a first lithium salt, a second lithium salt, and an additive. The additive comprises a fluoride of an element from group IIIA and a nitrate of an element from group IIIA. The group IIIA elements are selected from a group composed of gallium, indium, and thallium, and combinations thereof. The electrolyte formulation in the present invention can promote the uniform deposition of lithium metal and reduce the formation of lithium dendrites, thereby significantly increasing the number of cycles of the lithium metal battery and prolonging the lifespan of the lithium metal battery.
Resumen de: WO2026016286A1
The present application provides a method for determining the length of a strap of a battery module. The method comprises: calculating a theoretical geometric length of a strap on the basis of a geometric size of a battery module; calculating a theoretical pre-tightening force of the strap on the basis of a pre-tightening force requirement of the battery module; performing a tensile test on the strap to obtain a linear coefficient between the amount of deformation and a tensile force of the strap; and determining whether the linear coefficient falls within a predetermined interval, and if yes, correcting the theoretical geometric length on the basis of the product of the theoretical pre-tightening force and the linear coefficient to obtain a corrected length of the strap.
Resumen de: WO2026016283A1
A press-to-open sealing cover and a sealing box. The press-to-open sealing cover comprises a top cover body (1), a bottom cover body (2), a pressable member (3), a sealing member (4), and a transmission mechanism (5). The top cover body and the bottom cover body are movably arranged relative to one another, the pressable member is slidably arranged on the top cover body in the axial direction, the sealing member is arranged on the bottom cover body, one end of the transmission mechanism is connected to the pressable member, and the other end of the transmission mechanism is connected to the bottom cover body. Pressing the pressable member drives the transmission mechanism to drive the bottom cover body to move in the axial direction relative to the top cover body, so as to drive the sealing member to move. According to the press-to-open sealing cover, the pressable member is linked with the bottom cover body by means of the transmission mechanism, and pressing the pressable member drives the transmission mechanism to drive the bottom cover body to move in the axial direction relative to the top cover body, to thus drive the sealing member to move. For a user, the state of the sealing cover can be changed by simply pressing the pressable member, and the opening and closing of the cover can be easily, effortlessly, and conveniently completed with one hand.
Resumen de: US20260024872A1
A battery cell, a battery and an electric device. The battery cell comprises: an electrode assembly, which comprises at least one positive electrode sheet and at least one negative electrode sheet; and a casing, which is configured to accommodate the electrode assembly, and comprises a first wall portion, wherein the first wall portion is provided with a pressure relief portion, the pressure relief portion being provided with an indented groove, and the pressure relief portion being configured to crack along at least part of the indented groove when the battery cell is subjected to pressure relief; and the thickness dimension of the first wall portion is E1, which satisfies 0.4 mm≤E1≤2 mm.
Resumen de: US20260024873A1
A battery cell, a battery, and an electrical apparatus. The battery cell comprises an electrode assembly, a housing, and a pressure relief part. The electrode assembly comprises a positive pole piece and a negative pole piece. The positive pole piece and the negative pole piece are stacked to form a straight flat region. The housing is used for accommodating the electrode assembly, wherein the housing comprises a first wall part and two second wall parts. The two second wall parts are respectively located on two sides of the straight flat region. The pressure relief part is arranged on the first wall part, and the pressure relief part is formed with a score groove. First weak sections and second weak sections are formed at the bottom of the score groove, and the thickness of the second weak sections is less than the thickness of the first weak sections.
Resumen de: US20260024900A1
A battery module, a battery, and a power-consuming apparatus are disclosed. The battery module includes a battery group, an end plate arranged on a side of the battery group in a first direction, and an insulation member positioned between the battery group and the end plate. An avoidance region is formed at a corner of the end plate, and a corresponding corner region of the insulation member is fixedly connected to the battery group. This configuration reduces warping or separation of the insulation member at the corner, enhances structural stability between the insulation member, end plate, and battery group, and minimizes interference with the end plate assembly region. As a result, the assembly difficulty of the battery module is lowered and the assembly quality is improved.
Resumen de: US20260024883A1
A busbar assembly according to an embodiment of the present disclosure includes: a busbar; a glass fiber layer covering the busbar; a fire resistant silicone layer covering the busbar and disposed in an empty space of the glass fiber layer; and a glass fiber tape covering the fire resistant silicone laver.
Resumen de: US20260024865A1
A battery pack includes: a cell module assembly including a battery cell stack in which a plurality of battery cells is stacked; a pack case accommodating the cell module assembly; and a latch removably mounted in the pack case, and configured to couple adjacent battery packs.
Resumen de: US20260024821A1
The disclosure relates to battery technology and provides a positive electrode plate, its preparation method, an electrode assembly, a battery cell, a battery, and an electric apparatus. The positive electrode plate includes a current collector and a coating applied to at least one side of the current collector. A protective film containing a fluoride material is formed on the surface of the coating. The film reduces exposure of the positive electrode material to air, which otherwise degrades performance, and limits direct contact with electrolytes, which may cause interfacial side reactions. By mitigating these effects, the protective film enhances the chemical stability of the electrode material and improves overall battery performance.
Resumen de: US20260024776A1
An anode according to embodiments of the present disclosure includes an anode current collector, a first anode active material layer which is disposed on at least one surface of the anode current collector, and includes a first silicon-based active material and a first binder including a first rubber-based binder and a first cellulose-based binder. The anode includes a second anode active material layer which is disposed on the first anode active material layer, and includes a second silicon-based active material and a second binder including a second rubber-based binder and a second cellulose-based binder. A weight ratio of the first cellulose-based binder to the first rubber-based binder in the first binder is lower than a weight ratio of the second cellulose-based binder to the second rubber-based binder in the second binder.
Resumen de: US20260024822A1
This application relates to a secondary battery and an electric apparatus. The secondary battery includes a positive electrode plate and a positive electrode tab connected to the positive electrode plate, where the positive electrode tab includes a first current collector and an overcharge prevention layer, the overcharge prevention layer is disposed on a surface of the first current collector, and the overcharge prevention layer includes an overcharge prevention additive. The secondary battery can improve cycle performance while ensuring overcharge protection.
Resumen de: US20260024769A1
The present disclosure belongs to the technical field of lithium-sulfur batteries, and discloses covalent triazine framework polymer nanosheets for cathode materials in lithium-sulfur batteries. The hexaazatriphenylenehexacarbonitrile monomer on the surface of sodium chloride is polymerized through high temperature triazine, sodium chloride crystal is removed to obtain covalent triazine framework polymer nanosheets product, and cathode materials in lithium-sulfur batteries are obtained after melting sulfur. The preparation method of the present disclosure is simple, has low cost, high yield, and uniform structure. The obtained material itself has a porous structure and numerous active sites. When used in lithium-sulfur batteries, it can promote the rapid conversion of lithium polysulfides, effectively suppress the shuttle effect, and improve the rate performance and cycle performance of lithium-sulfur batteries.
Resumen de: WO2026016267A1
Provided in the present application are a battery module and a battery pack. A cell module comprises a side surface and a bottom surface; a vapor chamber comprises a side plate and a bottom plate. The bottom plate is attached to the bottom surface, and a condensation portion is provided in the bottom plate and used for heat exchange with an external liquid cooling structure. The side plate is connected to the bottom plate and attached to the side surface, and an evaporation portion is provided in the side plate and used for heat exchange with the cell module. The present application can improve the heat exchange efficiency between the vapor chamber and battery cells and enhance temperature uniformity, thereby achieving the effect of equalizing the temperature differences between the battery cells.
Resumen de: WO2026016248A1
A battery pack housing (1). The battery pack housing (1) comprises: a cover body (10) having a pressure relief hole (13); and an explosion-proof valve assembly (20) disposed on the cover body (10), wherein the explosion-proof valve assembly (20) comprises a valve body (21) and a diaphragm (22) connected to each other, the valve body (21) is connected to the cover body (10) such that the diaphragm (22) seals the pressure relief hole (13), and the valve body (21) and the cover body (10) are laser-welded to each other.
Nº publicación: WO2026016238A1 22/01/2026
Solicitante:
HAMEDATA TECH CO LIMITED [CN]
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Resumen de: WO2026016238A1
A manufacturing method for an AA lithium ion battery, comprising: preparing a battery cell on the basis of a battery cell preparation process; selecting a steel material for preparing a battery and stamping same to obtain an upper steel casing of a battery; acquiring a user demand and attribute parameters of spring contacts, and determining bending parameters of the spring contacts on the basis of the user demand and the attribute parameters of the spring contacts; on the basis of the bending parameters of the spring contacts, assembling a PCB and the upper steel casing of the battery, bending a negative electrode spring contact on a side surface of the PCB downwards such that the negative electrode spring contact is in elastic contact with the upper steel casing, and bending a positive electrode spring contact at the bottom of the PCB downwards such that the positive electrode spring contact is in elastic contact with the top of the battery cell, so as to obtain a complete buck-charging terminal; sleeving the complete buck-charging terminal on the battery cell to obtain a semi-finished battery product; and rolling and fixing the semi-finished battery product along a rolling recess of the battery cell, and sleeving an insulating film on the rolled and fixed semi-finished product, so as to obtain a finished battery product.