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CASING TRANSFER DEVICE AND BATTERY PRODUCTION APPARATUS

Resumen de: WO2026170821A1

The present application relates to a casing transfer device and a battery production apparatus. The casing transfer device comprises a conveying assembly and an aligning assembly. The aligning assembly comprises blocking edges and driving members, wherein the blocking edges enclose an aligning channel for casings to pass through, and the aligning channel tapers from a feeding end to a discharge end. The portion of the aligning channel at the discharge end may be configured to have a size comparable to that of a single casing. The plurality of housings taken in a full-tray manner are first placed on a bearing surface of the conveying assembly, and are driven by the conveying assembly to be conveyed from the feeding end to the discharging end. During conveyance by the conveying assembly, the plurality of casings pass through the aligning channel, and can converge toward the middle of the aligning channel under the action of the blocking edges. Moreover, the driving members can cause the casings to vibrate by driving the blocking edges to vibrate, thereby preventing the casings from being stuck in the aligning channel. Therefore, in the process of passing through the aligning channel, the plurality of casings will be gradually aligned into a single row under the guidance and vibration of the blocking edges, and finally output from the discharge end.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026170834A1

The present application discloses a secondary battery and an electric device. The secondary battery comprises an electrode assembly and a pouch for accommodating the electrode assembly. The pouch comprises a pouch body and side seal flaps, and the electrode assembly is disposed in the pouch body. The pouch body comprises side walls, and in the extension direction of the side seal flaps, each side seal flap is connected to the corresponding side wall and fixed to the side of the side wall away from the accommodating cavity. Each side seal flap comprises a sealed region and an unsealed region. Each unsealed region is in communication with the accommodating cavity. When the electrode assembly expands, at least a part of each side seal flap can be expanded outward, thereby improving the stress distribution at a first end of each side seal flap and improving the capability of the pouch to withstand expansion of the electrode assembly. Each sealed region is connected to the corresponding unsealed region, and the sealed regions can also reduce the possibility of excessive outward expansion of the side seal flaps while sealing the accommodating cavity. In this way, after the expansion of the electrode assembly, the integrity of the pouch is maintained, thereby facilitating improvement in the safety performance of the secondary battery.

BATTERY AND BATTERY PACK

Resumen de: WO2026171223A1

The present application relates to the technical field of batteries. Disclosed are a battery and a battery pack. The battery comprises: an electrode assembly, wherein the electrode assembly is provided with a negative tab, a welding region adapted to weld to a busbar is provided on the negative tab, embossments arranged in rows are provided at intervals on the welding region, and a projection area S 1 of a single embossment in the direction of thickness of the negative tab satisfies 0.1 mm 2≤S 1≤4 mm 2. In the present application, the embossments are arranged in rows in the welding region of the negative tab, and the projection area of the single embossment in the direction of thickness of the negative tab is defined, such that laser light can be scattered by means of textures of the embossments, and an incident angle of the laser light is changed, thereby making part of the light deviate from a direct reflection path, reducing the direct reflection of the light, reducing the light reflection effect, improving the welding quality and ensuring the production quality of the battery.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US20260246109A1

0000 A battery cell comprises a casing, a first electrode terminal, an electrode assembly, a first insulating member and a second insulating member. The casing comprises a first wall, and the first electrode terminal is insulated from and arranged on the first wall; the electrode assembly is arranged in the casing, the electrode assembly comprising a main body part and a first tab; the main body part is flat, and the main body part is provided with a first end surface facing the first wall; the first tab is arranged on the first end surface, and the first tab is electrically connected to the first electrode terminal; the first insulating member and the second insulating member are arranged in the casing, and in the thickness direction of the main body part, the first tab is located between the first insulating member and the second insulating member.

BATTERY CELL AND BATTERY PACK

Resumen de: WO2026171219A1

The present application relates to the technical field of batteries, and discloses a battery cell and a battery pack. The battery cell comprises: an electrode assembly, wherein end portions of the electrode assembly are provided with tabs; and a packaging film wrapping around the outer side of the electrode assembly and forming a packaging edge around the electrode assembly, wherein the packaging edge has end packaging areas and side packaging areas, the end packaging areas are respectively connected to the tabs, the end of each tab away from the electrode assembly extends out of the corresponding end packaging area, and in the width direction of the battery cell, the distance between the position where each end packaging area is connected to the corresponding tab and the adjacent side packaging area is L1, and L1 falls within the range of 1 mm≤L1≤400 mm. In the present application, the distance L1 between the connection position of each tab and the adjacent side packaging area is rationally set, thereby not only ensuring the sealing performance and yield of battery cells, but also reducing the waste of materials and the production cost.

NEGATIVE ACTIVE MATERIAL, METHOD FOR MANUFACTURING SAME, NEGATIVE ELECTRODE COMPOSITION, NEGATIVE ELECTRODE COMPRISING SAME FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE

Resumen de: US20260245879A1

A negative electrode active material, a method for manufacturing the same, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including the negative electrode. The negative electrode active material includes a lamellar structure silicon-based active material of Formula 1:where x has a range of >0 to <100 in atomic weight %, and M includes one or more selected from among Al, Ni, Co, Ti, Mn, Cu, Cr, Fe, Zr. Ag, and Au; and the lamellar structure silicon-based active material satisfies Formulas 2 and 3:10⁢nm≤Y≤1⁢μmFormula⁢210⁢nm≤X≤1⁢μmFormula⁢3where X refers to a size of primary silicon of the lamellar structure silicon-based active material, and Y refers to an interlamellar spacing of the lamellar structure silicon-based active material.

LITHIUM-ION SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR, AND ELECTRICAL APPARATUS

Resumen de: WO2026170778A1

A lithium-ion secondary battery, comprising a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector and negative electrode active material layers; the negative electrode active material layers comprise a first negative electrode active material layer and a second negative electrode active material layer; the first negative electrode active material layer is located between the negative electrode current collector and the second negative electrode active material layer, the first negative electrode active material layer comprises first artificial graphite, the first artificial graphite comprises primary particles, Dv501 of the first artificial graphite satisfies: 13μm≤Dv501≤18μm, and R1 of the first artificial graphite satisfies: 0

BATTERY MODULE, AND BATTERY PACK

Resumen de: US20260246048A1

0000 Provided are a battery module and a battery pack that have highly waterproof property and can maintain storage of a battery in an accommodating portion even when vibration or impact is applied. A battery module 10 of the present disclosure includes a cylindrical battery 11 and a battery holder 20 that is an integrated product made of an elastic body and accommodates and holds the battery 11. The battery holder 20 has an accommodating portion 21 that accommodates the battery 11, and has an extension part 22 extending toward an axis AX of the battery 11 and an opening 23 surrounded by the extension part 22 at both ends of the accommodating portion 21.

BATTERY PACK MOUNTING GUIDE RAIL AND ENERGY STORAGE CONTAINER

Resumen de: AU2024457934A1

The present application provides a battery pack mounting guide rail and an energy storage container. The battery pack mounting guide rail is applied to an energy storage container and comprises: a support portion; a connecting portion connected to the support portion and forming an L-shaped structure; and a first limiting portion protruding from the connecting portion and arranged opposite the support portion, wherein the support portion, the connecting portion and the first limiting portion together define a limiting cavity, and the limiting cavity is configured to limit and fix a battery pack.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US20260246068A1

A battery cell, a battery, and an electric device are disclosed. The battery cell includes a housing and a pressure relief component; the housing includes a first wall portion, and the pressure relief component is arranged on the first wall portion. The pressure relief component is provided with a first groove. The first groove is recessed from a first surface in a thickness direction of the first wall portion towards a second surface. The first groove defines at least one predetermined pressure relief area. The pressure relief component is configured to be capable of cracking along at least a portion of the first groove when the battery cell relieves pressure; where a sum S1 of areas of all the predetermined pressure relief areas is 0.03 to 0.3 times an area S2 of the first surface.

ELECTROLYTE OF LITHIUM METAL BATTERY, LITHIUM METAL BATTERY, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: AU2024416703A1

An electrolyte of a lithium metal battery, a lithium metal battery, a battery, and an electrical apparatus. The electrolyte of the lithium metal battery comprises a main solvent, a diluent, and a lithium salt; the molar concentration of the lithium salt is 1 mol/L to 4 mol/L, and the viscosity of the electrolyte is less than or equal to 5.5 mPa⋅s. The cycle performance of the lithium metal battery can be improved.

BATTERY SYSTEM

Resumen de: US20260246002A1

A battery system including a plurality of subpacks and a lower case accommodating the plurality of subpacks therein. Each subpack includes: a lower housing in which a plurality of battery modules, electrical components, and input/output terminals are mounted; and a cooling block mounted in the lower housing. The lower housing has a double structure including: a first plate forming an outer surface of the lower housing and a second plate spaced apart from the first plate to form a venting space and forming an inner surface of the lower housing, and a slit is formed through the second plate.

Lithium Secondary Battery Comprising Single Positive Electrode Active Material

Resumen de: US20260245981A1

A lithium secondary battery having high energy density and excellent lifetime characteristics includes: (1) a positive electrode containing a positive electrode active material in a single particle form having a D50 of 5.5 μm to 8 μm; (2) a negative electrode containing a first negative electrode active material having a Si—C composite; and (3) an electrolyte. The irreversible capacity per unit area of the negative electrode is smaller than an irreversible capacity per unit area of the positive electrode.

COMPOSITE BINDER, AND ELECTRODE SHEET AND BATTERY USING SAME

Resumen de: WO2026171019A1

Provided in the present application are a composite binder, and an electrode sheet and a battery using same. The composite binder comprises a first binder, the first binder is a block polymer, and the first binder is prepared by means of a block reaction of polyvinylidene fluoride and a conjugated polymer, wherein the conjugated polymer comprises at least one of polyacetylene and polythiophene, and the mass content of polyvinylidene fluoride used for preparing the first binder is 50-90%.

LITHIUM-ION BATTERY

Resumen de: WO2026170858A1

The present invention relates to the technical field of lithium-ion batteries, and specifically relates to a lithium-ion battery having good fast charging cycle performance, high-temperature storage performance, and high energy density. The lithium-ion battery comprises a positive electrode sheet, a negative electrode sheet, and a non-aqueous electrolyte; the positive electrode sheet comprises a positive electrode material layer comprising a positive electrode active material; the positive electrode active material comprises a phosphate compound; the non-aqueous electrolyte comprises an additive, a lithium salt, and a non-aqueous organic solvent; the lithium salt comprises lithium bis(fluorosulfonyl)imide; the additive includes a first additive; the solvent comprises a compound of structural formula 2; and the lithium-ion battery satisfies: 2.8≤C/(10A+B)+D/100≤14, 0.05≤A≤2, 0.5≤B≤6, 24≤C≤56, and 160≤D≤220.

COMPOSITE CURRENT COLLECTOR, ELECTRODE PLATE, BATTERY CELL, AND METHOD FOR PREPARING AND TESTING BATTERY CELL

Resumen de: WO2026171024A1

A composite current collector, electrode plate, battery cell, and method for preparing and testing a battery cell, relating to the technical field of composite current collectors. The composite current collector comprises a heating layer (100) and two metal layers (200), wherein the heating layer (100) is disposed between the two metal layers (200) and is connected separately to each of the metal layers (200), and a heating element is disposed within the heating layer (100). At least one metal layer (200) has a coating region on the side facing away from the heating layer, and a heating region of the heating element corresponds to the coating region. According to the composite current collector provided by the embodiments of the present application, heat is generated by the heating element to uniformly heat the heating layer, and is uniformly transferred to the coating region, such that the temperature distribution is uniform and the temperature difference at each location is small, thereby improving the performance and service life of the battery.

POSITIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, BATTERY, BATTERY PACK AND ELECTRICAL DEVICE

Resumen de: WO2026171072A1

Provided in the present application are a positive electrode sheet and a preparation method therefor, a battery, a battery pack and an electrical device. The positive electrode sheet comprises a current collector, and a first active layer and a second active layer which are sequentially stacked on at least one functional surface of the current collector, wherein the first active layer comprises a first active material, a first conductive agent and a first binder, the second active layer comprises a second active material, a second conductive agent and a second binder, the first active material comprises lithium manganese oxide and/or lithium iron manganese phosphate, the second active material comprises a ternary material, and the mass ratio of the first active material to the second active material is 5-9:1-5.

LITHIUM-ION SECONDARY BATTERY

Resumen de: WO2026171080A1

The present disclosure relates to the technical field of batteries, and particularly relates to a lithium-ion secondary battery. A positive electrode sheet of the lithium-ion secondary battery comprises first particles having the chemical formula of LixNia1Cob1Mnc1M1 d1O2 and second particles having the chemical formula of LiyNia2Cob2Mnc2M2 d2O2. A negative electrode sheet thereof comprises a negative electrode active material, the negative electrode active material comprises a silicon-carbon material, and the silicon-carbon material comprises a porous carbon matrix and a silicon material located in pore channels of the porous carbon matrix. The specific surface area A of the positive electrode active material, the oil absorption value B of the silicon-carbon material in the negative electrode sheet and the mass content C of lithium difluorophosphate in an electrolyte satisfy: 0.13≤C/A≤5.45, and 0.002≤C/B≤0.23. The lithium-ion secondary battery of the present disclosure has good high-temperature storage and high-temperature cycle performance.

BATTERY CELL, BATTERY APPARATUS, AND ELECTRIC APPARATUS

Resumen de: WO2026170545A1

The present application discloses a battery cell, a battery apparatus, and an electric apparatus. The battery cell comprises an electrode assembly, the electrode assembly comprising a plurality of positive electrode sheets and a plurality of negative electrode sheets stacked in a third direction, and a positive electrode tab and a negative electrode tab respectively located at a first side end and a second side end of the electrode assembly in a second direction; each negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one side of the negative electrode current collector, and the negative electrode film layer is configured to have a reduced thickness at least at an end adjacent to the negative electrode tab so as to form a negative electrode thinned portion; each positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer located on at least one side of the positive electrode current collector, and the positive electrode film layer is configured to have a reduced thickness at least at an end adjacent to the negative electrode tab so as to form a first positive electrode thinned portion, and projections of the first positive electrode thinned portion and the negative electrode thinned portion in the third direction at least partially coincide. The technical solution of the present application helps reduce the risk of lithium plating at negative electr

ENERGY STORAGE APPARATUS AND POWER CONSUMPTION SYSTEM

Resumen de: WO2026170945A1

The present application relates to an energy storage apparatus and a power consumption system. The energy storage apparatus comprises: a first battery module and a second battery module, the first battery module comprising a first separator; the second battery module is connected in parallel to the first battery module, and the second battery module comprises a second separator; and a thermal shrinkage rate of the first separator at 150° C in a predefined direction is less than a thermal shrinkage rate of the second separator at 150° C in the predefined direction, wherein the predefined direction is a height direction of the first battery module.

BATTERY CELL, BATTERY APPARATUS AND ELECTRICAL APPARATUS

Resumen de: WO2026170546A1

Disclosed in the present application are a battery cell, a battery apparatus and an electrical apparatus. The battery cell comprises an electrode assembly and an electrolyte; the electrode assembly comprises a positive electrode sheet and a negative electrode sheet; a positive electrode film layer of the positive electrode sheet comprises a positive electrode active material, the positive electrode active material comprising a lithium-containing phosphate; the porosity of the positive electrode sheet is 20-30%; the thickness of a positive electrode current collector is 5%-8% of the thickness of the positive electrode sheet; a negative electrode film layer of the negative electrode sheet comprises a negative electrode active material, the negative electrode active material comprising graphite; the porosity of the negative electrode sheet is 24-33%; the thickness of a negative electrode current collector is 2.5%-5% of the thickness of the negative electrode sheet. The technical solution of the present application achieves a balance among good fast charging performance, power performance and high energy density of batteries.

BATTERY CELL, BATTERY DEVICE AND ELECTRIC DEVICE

Resumen de: WO2026170544A1

Disclosed in the present application are a battery cell, a battery device and an electric device. The dimension of the battery cell in a first direction ranges from 80 to 130 mm; the dimension of the battery cell in a second direction ranges from 200 to 350 mm; the ratio of the dimension of the battery cell in the second direction to the dimension of the battery cell in the first direction ranges from 1.5 to 4.4; and the battery cell comprises a casing, an electrode assembly, a positive electrode connector and a negative electrode connector. The positive electrode connector comprises a first main body portion and a first bending portion, which are arranged at an included angle, the dimension of the first main body portion in the second direction ranging from 1.5 to 3.0 mm, and the dimension of the first bending portion in the first direction ranging from 1.5 to 3.0 mm; and the negative electrode connector comprises a second main body portion and a second bending portion, which are arranged at an included angle, the dimension of the second main body portion in the second direction ranging from 1.2 to 2.5 mm, and the dimension of the second bending portion in the first direction ranging from 1.2 to 2.5 mm. The technical solution of the present application has a more reasonable structure, further improving the energy density and fast-charging reliability of the battery.

BUMP PREPARATION APPARATUS, BATTERY PRODUCTION SYSTEM, AND WINDING METHOD

Resumen de: US20260241434A1

0000 A bump preparation apparatus includes a bump preparation mechanism and a compacting mechanism that are sequentially arranged along a conveying direction of a first material, where the bump preparation mechanism is configured to prepare overpressed bumps on the first material, a height of each overpressed bump is greater than a height of a preset bump, the preset bump is a bump required by the first material, and the compacting mechanism is configured to apply a pressure to the overpressed bumps toward a main body portion of the first material, such that a thickness of the first material reaches a preset value.

POSITIVE ELECTRODE PIECE, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: AU2024418603A1

A positive electrode piece, comprising a current collector and a positive electrode active layer, the positive electrode active layer being arranged on at least one surface of the current collector; the positive electrode active layer comprises a first active layer directly coated on the current collector and a second active layer coated on the surface of the side of the first active layer away from the current collector; the first active layer comprises first lithium iron phosphate salt particles and/or first manganese iron phosphate salt particles, the second active layer comprises second lithium iron phosphate salt particles, the primary average particle diameter of the first lithium iron phosphate salt particles and/or the first manganese iron phosphate salt particles is 150 nm to 480 nm, and the primary average particle diameter of the second lithium iron phosphate particles is 500-3000 nm.

BATTERY APPARATUS AND ELECTRIC APPARATUS

Nº publicación: WO2026170999A1 20/08/2026

Solicitante:

CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026170999A1

The present application provides a battery apparatus and an electric apparatus. The battery apparatus comprises a frame, a heat exchange plate, a connecting base, and a tube fitting; the frame encloses to form an accommodating cavity, the heat exchange plate is arranged on one side of the accommodating cavity, the heat exchange plate is provided with a flow channel, the heat exchange plate extends to an outside of the accommodating cavity and has an opening outside the accommodating cavity, and the opening is in communication with the flow channel; the connecting base covers the opening on the heat exchange plate and is connected to the heat exchange plate, the connecting base is provided with a connecting through-hole, and the connecting through-hole is in communication with the opening; and the tube fitting is connected to the connecting base and is in communication with the opening on the heat exchange plate by means of the connecting through-hole. As described above, a heat exchange plate has a portion located outside an accommodating cavity, and an opening on the heat exchange plate is located outside the accommodating cavity, thereby allowing both a connecting base and the opening to be located outside the accommodating cavity. On the one hand, this facilitates detection of leakages, and on the other hand, if leakage occurs in a connection between the two, this allows for easier repair of the leakage.