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BATTERY

Resumen de: US20260066507A1

A battery, including a cell, a protection board and an injection-molded plastic structure. The injection-molded plastic structure encloses at least a tab, a top sealing edge, a main board and a portion of a flexible printed circuit board, an output end of the flexible printed circuit board is located outside the injection-molded plastic structure, and a groove is formed on the injection-molded plastic structure at a position corresponding to where the output end extends, with at least a portion of the output end being located within the groove. The groove has a minimum groove width of not less than 2 mm in a first direction, and has a groove depth of not less than 0.5 mm in a second direction. In this way, the injection-molded plastic structure provides effective protection for elements such as the protection board, and ensures a sufficient space for movement of the flexible printed circuit board.

FLEXIBLE PRINTED CIRCUIT AND BATTERY PACK

Resumen de: US20260068049A1

Disclosed are a flexible printed circuit and a battery pack. The flexible printed circuit comprises a flexible cable, wherein a window portion is formed in the middle of the flexible cable, and a flexible die-cutting circuit is electrically connected to the window portion. The flexible cable is a flexible flat cable. The flexible die-cutting circuit or a small flexible printed circuit is electrically connected to the window portion. The window portion is rectangular. The invention has the beneficial effect that an FCC manufactured by a new process is bendable while original FFCs and FDCs are non-bendable.

SEPARATOR FOR SODIUM BATTERY, SECONDARY BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260066337A1

A separator for a sodium battery, and a sodium battery, a secondary battery, and an electric apparatus comprising the separator. The separator for the sodium battery has a first surface and a second surface along its thickness direction, and a porosity of the separator decreases gradually from the first surface to the second surface.

THERMAL MANAGEMENT MODULE AND VEHICLE

Resumen de: WO2026046150A1

The present disclosure relates to a thermal management module for a vehicle, and to a vehicle having said thermal management module. The thermal management module comprises: a refrigerant module having a first channel for refrigerant flow and a second channel for coolant flow; and a coolant plate that is in fluid communication with the second channel. In the thickness direction of the coolant plate, the refrigerant module at least partially coincides with the coolant plate, and the first channel at least partially coincides with the coolant plate.

DOT-ARRAY COATED BATTERY SEPARATOR AND PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY

Resumen de: WO2026045991A1

A dot-array coated battery separator, comprising a separator substrate and a polymer coating applied to the surface of at least one side of the separator substrate. The polymer coating comprises a plurality of crater-like dot-shaped coatings, each dot-shaped coating forming a frustoconical protruding structure having a raised periphery and a central depression. The dot-shaped coatings are arranged on the surface of the separator substrate to form a dot array. The crater structure of the dot-shaped coatings on the dot-array coated battery separator effectively reduces polymer accumulation at the coating points, and correspondingly lessens the impact of hot pressing on separator performance. As a result, the battery separator has good ion permeability, wettability, and gas permeability while satisfying bonding-strength requirements with the battery electrodes, thereby achieving a good performance balance. Further provided are a preparation method for the dot-array coated battery separator and a secondary battery comprising the dot-array coated battery separator.

ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS

Resumen de: WO2026044712A1

The present application provides an electrochemical apparatus and an electronic apparatus. The electrochemical apparatus of the present application comprises a positive electrode sheet and an electrolyte. The electrolyte comprises a compound represented by formula (I), and the positive electrode sheet contains a lithium transition metal composite oxide, which has a P6(3)mc crystal structure. In the present application, by means of a synergistic effect of the compound represented by formula I in the electrolyte and the lithium transition metal composite oxide having a P63mc crystal structure in the positive electrode sheet, cycle capacity attenuation of the electrochemical apparatus under a high voltage can be significantly mitigated, and growth in the thickness of the electrochemical apparatus during cycling can be significantly inhibited.

ELECTROCHEMICAL APPARATUS AND ELECTRONIC DEVICE

Resumen de: WO2026044706A1

The present application discloses an electrochemical apparatus and an electronic device. A positive electrode active material layer comprises a metal element M, wherein the metal element M comprises at least one of Ca and W. An electrolyte comprises a compound of formula (I). By means of a combination of the compound of formula (I) in the electrolyte and the metal element M in the positive electrode active material, and by selecting content A of the compound of formula (I) and content C of the metal element M to satisfy the conditional expression: 0.1≤A*C/100≤400, the calendar life of the electrochemical apparatus in a high-temperature environment can be improved, and the impedance increase of the electrochemical apparatus in the high-temperature environment during the entire service life can also be mitigated.

ELECTROCHEMICAL APPARATUS AND ELECTRONIC DEVICE

Resumen de: WO2026044703A1

The present application discloses an electrochemical apparatus and an electronic device. An electrolyte of the electrochemical apparatus comprises the compound of formula (I). A positive electrode active material of a positive electrode sheet comprises Mn and Ni. By means of a combination of the compound of formula I in the electrolyte and the metal elements Mn and Ni in the positive electrode active material, and choosing to make the content A of the compound of formula I and the content C of the metal elements Mn and Ni satisfy the conditional expressions 0.1≤A*C/1000≤40 and 500 ppm≤C≤5000 ppm, not only can the initial impedance of the electrochemical apparatus be improved, but the impedance growth rate of the electrochemical apparatus during high-temperature charging-discharging cycles can also be improved.

ELECTROLYTE OF SECONDARY BATTERY, SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026044658A1

The present application provides an electrolyte of a secondary battery, a secondary battery, and an electronic device. The electrolyte comprises a first component and a second component, the first component comprising a compound represented by formula (I), and the second component comprising at least one of a compound represented by formula (II) or a compound represented by formula (III). Applying the electrolyte that comprises both the first component and the second component to a secondary battery enhances the cycle performance of the secondary battery, thereby allowing an electronic device to have a long service life.

OVERMOLDED COMPONENT OF TRACTION BATTERY PACK

Resumen de: US20260066481A1

A traction battery pack assembly includes a frame; one or more busbars secured to the frame; a circuit board; and an overmolded covering that secures the circuit board to the frame. A traction battery pack circuit board securing method includes positioning a circuit board adjacent a frame. The frame is configured to hold a plurality of busbars of a traction battery pack. The method further includes overmolding the circuit board with a covering to secure the circuit board relative to the frame.

ELECTRODE ASSEMBLY, SECONDARY BATTERY, AND BATTERY PACK

Resumen de: US20260066485A1

An electrode assembly, a secondary battery, and a battery pack are disclosed. An electrode assembly includes a first electrode, a second electrode facing the first electrode along a first direction, a negative electrode tab extending from the first electrode and bent in the first direction or in a direction opposite to the first direction, and a positive electrode tab extending from the second electrode and bent in the first direction or in the direction opposite to the first direction.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US20260066470A1

A secondary battery, including a first electrode including a first substrate and a first active material layer on the first substrate, a second electrode including a second substrate and a second active material layer on the second substrate, and a separator between the first active material layer and the second active material layer, wherein the separator includes a double layer at a first end of the separator.

SECONDARY BATTERY

Resumen de: US20260066469A1

A secondary battery includes an electrode stack having a separator, the separator including a first separator region, a second separator region, a third separator region, and a fourth separator region, a first negative electrode plate between the first separator region and the second separator region, and a first positive electrode plate between the third separator region and the fourth separator region, an insulating tape on a periphery of the electrode stack, and a case receiving the electrode stack and the insulating tape, wherein one side of the second separator region contacts one side of the third separator region.

SECONDARY BATTERY AND BATTERY PACK INCLUDING THE SAME

Resumen de: US20260066498A1

A secondary battery and a battery pack are disclosed. A secondary battery includes a case, an electrode assembly accommodated in the case, a cap plate including a first surface facing the electrode assembly and a second surface opposite the first surface, a terminal protruding outward from the cap plate and connected to the electrode assembly, and a gasket between the cap plate and the terminal and including a first end portion in contact with the cap plate and a second end portion in contact with the terminal, and a creepage distance of the gasket is greater than a distance between the first end portion and the second end portion.

BATTERY RETAINING DEVICE

Resumen de: US20260066414A1

A device includes a base and a depressible cover. The base defines a battery opening in which to receive a battery having the form factor of a coin cell The base includes a retainer located proximate to the battery opening. The depressible cover is disposed in the battery opening and is secured in place against the retainer to prevent removal of the battery from the base while the cover is coupled to the base. The cover includes a detent and a body portion, wherein the cover is releasably secured to the base upon engagement of the body portion with the retainer and engagement of the detent with a shoulder of the base.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: WO2026048748A1

This non-aqueous electrolyte secondary battery comprises: an electrode assembly (14) in which a positive electrode (11) and a negative electrode (12) are wound with a separator (13) therebetween; and an outer can for housing the electrode assembly (14). The negative electrode (12) has a negative electrode core (30) and a mixture layer (32) that is disposed on at least one surface of the negative electrode core (30) and contains an active material. The negative electrode (12) has a core-exposed portion (31) which does not have a mixture layer on both surfaces of the negative electrode core (30) at a negative electrode winding-starting end portion (12a) positioned on the inner peripheral side of a positive electrode winding-starting end (B1) of the positive electrode (11) and on a winding-starting side of the positive electrode winding-starting end (B1). A low-rigidity portion (40) having lower rigidity than other portions of the negative electrode core (30) is disposed in at least a portion of the core-exposed portion (31) in the winding direction.

NONAQUEOUS ALKALI METAL POWER STORAGE ELEMENT AND PRODUCTION METHOD THEREFOR

Resumen de: WO2026048805A1

A nonaqueous alkali metal power storage element (precursor) according to the present disclosure comprises a positive electrode (precursor), a negative electrode (precursor), a separator, an exterior material, and a nonaqueous electrolyte solution, wherein: the negative electrode (precursor) contains, as an active material, a material that absorbs and releases lithium ions; and the positive electrode (precursor) has a positive electrode active material layer that contains a positive electrode active material which absorbs and releases alkali metal ions. The nonaqueous alkali metal power storage element (precursor) contains an alkali metal carbonate in the positive electrode active material layer, in an arbitrary intermediate layer between the positive electrode active material layer and the separator, or in both. The nonaqueous electrolyte solution further contains a carbonate decomposition promoter. The oxidation commencement potential of the carbonate decomposition promoter is not less than 3.8 V (vsLi/Li+) and not more than 4.7 V.

SECONDARY BATTERY

Resumen de: WO2026048847A1

A secondary battery comprises: a positive electrode; a negative electrode; a separator that is disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. The positive electrode includes a positive electrode current collector, and a positive electrode mixture layer that is supported by the positive electrode current collector. The separator includes a first region that faces an end portion of the positive electrode mixture layer, and a second region that faces a central portion of the positive electrode mixture layer. At least part of the first region is a first thick film region in which the thickness of the separator is greater than in the second region.

COMPOSITE MATERIAL, HEAT ABSORBING MEMBER, BATTERY ASSEMBLY AND ELECTRIC DEVICE

Resumen de: WO2026046111A1

The present application provides a composite material, a heat absorbing member, a battery assembly, and an electric device. The composite material comprises a polymer framework, an inorganic additive, and a phase change component. The inorganic additive comprises at least one of a hydrophilic aerogel and kaolin. In the composite material of the present application, the phase change component can improve the heat absorption performance of the composite material, and the inorganic additive can improve the thermal insulation performance of the composite material, such that the composite material has excellent heat absorption and thermal insulation effects, facilitating the use of the composite material in a battery assembly, and improving the use safety of battery cells.

ELECTRODE SHEET, BATTERY CELL UNIT, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026046043A1

An electrode sheet, a battery cell unit, a battery, and an electric device. The electrode sheet comprises a current collector and an active material layer; the current collector comprises a conductive polymer film, and the conductive polymer film is configured to be connected to a polymer material; and the active material layer is provided on at least one surface of the current collector. The electrode sheet has good sealing reliability.

ELECTROLYTE AND BATTERY

Resumen de: WO2026046041A1

An electrolyte and a battery. The electrolyte comprises a fluorine‑containing oxalic acid lithium salt and a functional additive; the functional additive has a structure as represented by formula (1), wherein R1 is selected from at least one of a linear alkyl group having 1-6 carbon atoms and a substituted or unsubstituted aromatic group; and R2 and R3 are each independently selected from at least one of a halogen atom and a substituted or unsubstituted alkyl group having 1-10 carbon atoms. The electrolyte can ensure that the battery meets high energy density requirements and fast charging requirements, and improve the cycle stability of the battery.

BATTERY CELL TAPE-WRAPPING DEVICE AND BATTERY CELL TAPE-WRAPPING METHOD

Resumen de: WO2026045891A1

A battery cell tape-wrapping device and a battery cell tape-wrapping method. The battery cell tape-wrapping device comprises a tape folding mechanism (1) and a tape pressing mechanism (2). The tape folding mechanism (1) comprises a tape-folding driving assembly (11) and a tape folding assembly (12), wherein the tape folding assembly (12) is provided with a tape folding hole (1211); the hole wall of the tape folding hole (1211) comprises a tape folding hole wall (12111), the tape folding hole wall (12111) being inclined towards a central hole of a battery cell (20) from the side thereof close to an end face of the battery cell (20) to the side thereof away from the end face of the battery cell (20); and the tape-folding driving assembly (11) can drive the tape folding assembly (12) to move towards the end face of the battery cell (20), such that the hole wall of the tape folding hole (1211) folds an adhesive tape (30), which extends beyond the end face of the battery cell (20), towards the central hole of the battery cell (20). The tape pressing mechanism (2) comprises a tape-pressing driving assembly (21) and a tape pressing assembly (22), wherein the tape-pressing driving assembly (21) can drive the tape pressing assembly (22) to move towards the end face of the battery cell (20), such that the tape pressing assembly (22) passes through the tape folding hole (1211) to press the folded adhesive tape (30) against the end face of the battery cell (20).

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026044653A1

The present application provides a secondary battery and an electronic device. The secondary battery comprises an electrolyte, which comprises a first organic compound and a second organic compound. The first organic compound comprises fluoroethylene carbonate, and the second organic compound comprises a compound of formula I. In the compound of formula I, R is selected from a C2 to C6 alkyl group which is substituted with fluorine or unsubstituted, and a C6 to C12 aryl group which is substituted with fluorine or unsubstituted. Based on the total mass of the electrolyte, the mass percentage of the first organic compound is A, and the mass percentage of the second organic compound is B, wherein 2%≤A≤30%, and 5%≤B≤85%. By adjusting and controlling the electrolyte to comprise the first organic compound and the second organic compound, as well as the types and mass percentages of the first and second organic compounds within the scope of the present application, the secondary battery can have both good cycling performance and low-temperature discharge performance.

SECONDARY BATTERY AND ELECTRONIC DEVICE

Resumen de: WO2026044639A1

The present application provides a secondary battery and an electronic device. An electrolyte comprises a salt consisting of an anion and a cation as shown in formula I and a compound of formula II. M1 is selected from element B or element Al. R1, R2, R3, and R4 are each independently selected from C1-C8 alkyl in which at least some hydrogen atoms are substituted by fluorine, C6-C20 aryl in which at least some hydrogen atoms are substituted by fluorine, C7-C22 aralkyl in which at least some hydrogen atoms are substituted by fluorine, C7-C20 alkaryl in which at least some hydrogen atoms are substituted by fluorine, C7-C20 ether bond-containing alkaryl in which at least some hydrogen atoms are substituted by fluorine, or C2-C10 ether bond-containing alkyl in which at least some hydrogen atoms are substituted by fluorine. R is selected from fluorine-substituted or unsubstituted C1-C5 alkyl, or amino substituted by C1-C5 alkyl. Rf is selected from a fluorine atom or trifluoromethyl. The cation comprises one of Li+, Na+, K+, Mg2+, Ca2+, and Zn2+. The electrolyte satisfies the described features, and can improve the cycle performance and the low-temperature discharge performance of the secondary battery.

INTEGRATED BATTERY FRAME AND BATTERY

Nº publicación: WO2026044500A1 05/03/2026

Solicitante:

JIANGSU MORLUS TECH COMPANY LIMITED [CN]
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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.