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20
results.
Updated on
05/10/2026 [10:06:00]
Absstract of: US20260290946A1
0000 A composite pad for batteries is disclosed. The composite pad for batteries can ensure improved structural stability of battery modules and battery packs by ensuring excellent surface pressure characteristics, can exhibit improved fireproof and thermal insulation characteristics to prevent rapid temperature rise of battery cells, and can prevent fire generation while minimizing damage by suppressing thermal runaway propagation to adjacent battery cells upon thermal runaway of a certain battery cell.
Absstract of: US20260291033A1
0000 A battery cell is disclosed. In some implementations, the battery cell includes: an electrode assembly including a cathode, an anode, and a separator; a cell case accommodating the electrode assembly; a cap plate connected to the cell case; an electrode terminal disposed in the cap plate and including a coupling hole; and a current collector electrically connecting the electrode assembly and the electrode terminal, wherein the current collector includes a current collecting plate electrically connected to the electrode assembly and a current collecting pin connected to the current collecting plate and welded to the electrode terminal in a state of being fitted into the coupling hole, and the current collecting pin includes a hollow portion recessed toward the current collecting plate at a first end spaced apart from the current collecting plate.
Absstract of: US20260290995A1
0000 The present disclosure provides a sealing structure for sealing a vent of a battery assembly. The sealing structure comprises a sealing layer comprising a rupturable material extending intactly across the sealing structure. The sealing layer is adapted to rupture and open a fluid path when pressure is exerted on the sealing layer.
Absstract of: US20260290812A1
Provided is a cathode active material configured to decrease the rate of resistance increase that is due to battery charge and discharge, the cathode active material having, in TEM-EDX analysis, a first peak in a range of 690 ev or more and 700 ev or less and a second peak in a range of 640 ev or more and 650 ev or less, and the cathode active material comprising a Mn element that is derived from the second peak.
Absstract of: WO2026195070A1
The present application relates to the technical field of batteries. Provided are a cover plate structure, a battery, a battery pack and an electrical device. The cover plate structure comprises a cover plate main body, a connecting terminal and an insulating structure; a first through hole is formed in the cover plate main body, and a second through hole communicating with the first through hole is formed in the connecting terminal; in the thickness direction of the cover plate structure, the second through hole is located above the first through hole; the insulating structure is arranged between the cover plate main body and the connecting terminal and is used for forming insulation between the cover plate main body and the connecting terminal; the connecting terminal is provided with a support platform on one side of the second through hole. The embodiments of the present application can improve the safety performance of batteries and increase the capacity of batteries.
Absstract of: WO2026194430A1
The present application provides a negative electrode sheet, a battery, and an electric device. The negative electrode sheet comprises a negative electrode active layer, the negative electrode active layer comprises a negative electrode active material, the true density of He gas in the negative electrode active material, ρHe, ranges from ρS-0.15 g/cm3 to ρS g/cm3, and the true density of an electrolyte, ρE, ranges from ρS-0.8 g/cm3 to ρS-0.6 g/cm3, wherein ρS is the skeleton density of the negative electrode active material, in units of g/cm3. For the negative electrode sheet provided by the present application, the relationship between the true density of the He gas of the negative electrode active material and the skeleton density, and the relationship between the true density of the electrolyte and the skeleton density are defined, that is, the skeleton structure and the pore structure of the negative electrode active material are defined. The theoretical capacity of the negative electrode active material is improved by increasing closed pores that cannot be infiltrated by the electrolyte, thereby improving the energy density of the battery, and the dynamic performance of the battery is improved by increasing open pore channels of the negative electrode active material.
Absstract of: WO2026197051A1
A battery pack (1) includes a battery cell (11) and a housing (20) for housing the battery cell (11). The housing (20) has a lower plate (21) and a side frame (221) which at least partially overlap each other. The lower plate (21) and the side frame (221) are at least partially joined to each other by a first adhesive (41) which covers a gap (24) between the lower plate (21) and the side frame (221).
Absstract of: WO2026197503A1
This method for managing a battery comprises the steps of: performing cell balancing of a plurality of battery cells; determining a maximum-voltage cell and a minimum-voltage cell among the plurality of battery cells; determining whether the minimum-voltage cell is the same cell as a minimum-voltage cell stored in a memory; if the minimum-voltage cell and the minimum-voltage cell stored in the memory are the same cell, determining whether a voltage value of the maximum-voltage cell and a voltage value of a maximum-voltage cell stored in the memory are the same; if the voltage value of the maximum-voltage cell and the voltage value of the maximum-voltage cell stored in the memory are the same, calculating a first voltage value difference between the maximum-voltage cell and the minimum-voltage cell; determining whether the first voltage value difference is greater than a second voltage value difference stored in the memory; and if the first voltage value difference is greater than the second voltage value difference stored in the memory, determining the minimum-voltage cell as a cell in which an abnormality has occurred.
Absstract of: WO2026193652A1
The present application discloses a lithium secondary battery and a manufacturing method therefor, and an electric device. The lithium secondary battery comprises a positive electrode sheet; the positive electrode sheet comprises a positive electrode current collector; at least one side of the positive electrode current collector is provided with a positive electrode active material layer; the positive electrode active material layer comprises a positive electrode active material and conductive agent agglomerates; the positive electrode active material comprises a ternary material; the conductive agent agglomerates comprise a one-dimensional conductive agent; and on a cross section along the thickness direction of the positive electrode active material layer, there are 1 to 5 conductive agent agglomerates per 1000 μm2.
Absstract of: WO2026197269A1
This information processing device comprises a memory and a processor connected to the memory. The memory stores a first measurement value of the magnetic flux density of a first battery cell. The processor executes: calculating, on the basis of the first measured value, a prediction value of the magnetic flux density for each second battery cell included in a battery pack; measuring the magnetic flux density of the battery pack as a second measurement value; and determining, on the basis of the prediction value and the second measurement value, whether there is an imbalance in the current flowing through the second battery cells.
Absstract of: WO2026193879A1
A non-aqueous electrolyte, an electrochemical device comprising the non-aqueous electrolyte, and an electronic device. The non-aqueous electrolyte comprises a compound represented by formula I: where R11 and R12 are independently selected from any one of phenyl, pyridyl, and quinolinyl; R13 and R14 are independently selected from any one of hydrogen and C1-C4 alkyl; n is an integer ranging from 1 to 4; and the mass percentage of the compound of formula I is 0.01% to 5% based on the total mass of the non-aqueous electrolyte. The non-aqueous electrolyte can significantly improve the high-rate performance and high-temperature gassing performance of an electrochemical device.
Absstract of: US20260290987A1
Methods and systems are provided for a battery pack. The battery pack includes cells grouped in pairs. The battery pack further includes thermal barriers and compressible layers interposed between the pairs. At least some tabs of the cells are directly welded to each other rather than to a corresponding bus bar.
Absstract of: US20260284791A1
0000 The present disclosure relates to a notching device which include: a transporter transporting an electrode along a first direction; an encoder outputting a first signal along the first direction based on movement of the transporter; a signal generator outputting a second signal along a second direction among directions perpendicular to the first direction; a laser notching the electrode; and a controller controlling the layer to calibrate a first position along the first direction of the laser to a first calibration position using the first signal, calibrate a second position along the second direction of the laser to a second calibration position using the second signal, and notch the electrode at the first calibration position and the second calibration position.
Absstract of: US20260290780A1
0000 A method for producing an electrode includes: applying a liquid composition including an active material and a dispersion medium onto a predetermined region of a substrate and a region adjacent to the predetermined region with directivity. During the applying, a difference from a time when the liquid composition is applied onto the predetermined region to a time when the liquid composition is applied onto the adjacent region is determined as δt. A viscosity η<1000 >of the liquid composition at a shear rate of 1,000 s<−1 >is 200 mPa·sec or less, and a viscosity η<0.1 >of the liquid composition at a shear rate of 0.1 s<−1 >is 1,000 mPa·sec or greater. When a shear force is applied at a shear rate of 1,000 s<−1 >for 50 seconds, followed by changing to 0.1 s<−1>, a viscosity at δt after changing the shear rate to 0.1 s<−1 >is 300 mPa·sec or less.
Absstract of: WO2026197040A1
A system (1) has: a lamination stage (51) configured to hold a laminate (70) in which a belt-like separator (11) is folded and a separator and electrodes (21) and (31) are alternately laminated; and a moving device (55) configured to rotationally move the lamination stage in a second direction (d2) about a first axis (52) perpendicular to a first direction (d1) in which the separator is supplied so that the lamination stage passes through a first position (P1) in which a first electrode is mounted on the lamination stage and a second position (P2) in which a second electrode is mounted on the lamination stage.
Absstract of: US20260290806A1
0000 A cathode active material is a single-crystal active material composed of crystalline primary particles having a composition represented by Li
Absstract of: US20260290964A1
A cap assembly for a rechargeable battery includes a upper cap. A vent plate is positioned below the upper cap. A curable component-containing structure is positioned between the upper cap and the vent plate.
Absstract of: US20260290792A1
Provided is a cathode active material configured to decrease the rate of resistance increase that is due to battery charge and discharge, the cathode active material comprising at least one element selected from the group consisting of a Ni element, a Co element and a Mn element, wherein the cathode active material is in a form of two or more stacked primary particles; wherein the primary particles are single crystals that have a crystal structure belonging to space group R-3m; wherein the two or more stacked primary particles as the cathode active material include at least a first particle and a second particle, and the first and second particles are sequentially connected; and wherein the first particle and the second particle are stacked so that the 003 plane of the first particle and that of the second particle are in parallel.
Absstract of: US20260290794A1
Positive electrode composite active material particles in which at least a part of a surface of positive electrode active material particles containing a lithium-containing oxide is coated with a coating layer, wherein the coating layer contains a sulfide solid electrolyte, anda thickness of the coating layer determined by measurement using X-ray photoelectron spectroscopy is less than 110 nm.
Absstract of: WO2026194421A1
A battery apparatus and an electrical apparatus having same. The battery apparatus (100) comprises: a box body (10), the box body (10) being internally provided with a flow channel space (11), the box body (10) being provided with a first side plate (20), the first side plate (20) being internally provided with a liquid inlet cavity (21) and an isolation cavity (22), the isolation cavity (22) being located on the side of the liquid inlet cavity (21) facing the flow channel space (11), the liquid inlet cavity (21) being provided with a liquid inlet (253) and being provided with a first flow distribution port (251) in communication with the isolation cavity (22), the isolation cavity (22) being provided with a second flow distribution port (252) in communication with the flow channel space (11), and the liquid inlet (253) being in communication with the liquid inlet cavity (21); and a battery cell (30), at least part of the battery cell (30) being arranged in the flow channel space (11).
Absstract of: WO2026194718A1
The present application belongs to the technical field of batteries. Disclosed are a battery device and an electric device. The battery device comprises a battery cell assembly and a case, wherein the battery cell assembly comprises a plurality of battery cells, a first end plate and a second end plate, with the first end plate and the second end plate being arranged spaced apart from each other in a first direction, and the plurality of battery cells being arranged between the first end plate and the second end plate. The case is configured to accommodate the battery cell assembly and has a bearing surface for bearing the battery cells, and the first end plate comprises a first end close to the bearing surface and a second end away from the bearing surface, with the first end being connected to the case. The case further comprises a first beam body, and in the first direction, the first beam body is located on the side of the first end plate facing away from the battery cells. The battery cell assembly further comprises a support member, at least part of which is located between the first beam body and the first end plate. The battery device has a high reliability.
Absstract of: DE102026111046A1
Es wird ein verteilerintegriertes Kühlmittelmodul offenbart. Das verteilerintegrierte Kühlmittelmodul weist einen Ventilkörper mit einem in dem Ventilkörper definierten Rotorraum und ein Ventilgehäuse mit wenigstens einem entlang eines Umfangs des Ventilgehäuse vorgesehenen Anschluss auf, einen auf der Seite des Ventilkörpers angeordneten Verteiler und einen auf der Seite des Verteilers angeordneten Wärmetauscher. Der Wärmetauscher, der Verteiler und der Ventilkörper stehen in Fluidverbindung miteinander, und der Verteiler ist mit dem Ventilkörper integral ausgebildet.
Absstract of: US20260291026A1
0000 A battery cell is disclosed. In some implementations, the battery cell includes: an electrode assembly; a cell case; a cap plate; an electrode terminal including a coupling hole; and a current collector, wherein the current collector includes a current collecting plate and a current collecting pin connected to the current collecting plate and inserted into the coupling hole, the current collecting pin includes a first portion disposed at an outer side spaced apart from the current collecting plate, a third portion connected to the current collecting plate, and a second portion disposed between the first portion and the third portion, and at least one of an outer diameter of the second portion or a maximum outer diameter of the third portion is greater than an outer diameter of the first portion.
Absstract of: WO2026194449A1
The present application applies to the technical field of batteries. Provided are a battery device (100) and an electric device. The battery device comprises: a battery cell assembly (20), which comprises at least two battery cells (21) arranged in a first direction, wherein each battery cell comprises two electrode terminals (213) spaced apart from each other in a second direction, the second direction and the first direction being arranged at an included angle; and a sampling structure (30), which comprises a sampling member (31), wherein the sampling member comprises at least two sampling portions (311), the sampling portions being used for acquiring status information of the battery cells; the at least two sampling portions are spaced apart from each other in the second direction, such that at least one electrode terminal is located between two adjacent sampling portions. In the battery device provided in the embodiments of the present application, the volume of the sampling structure can be increased, thereby facilitating acquisition of the status information of each battery cell by the sampling structure; in addition, the gap between the electrode terminals and a case can be better utilized, eliminating the need to increase the internal space of the case.
Nº publicación: WO2026193641A1 24/09/2026
Applicant:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
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Absstract of: WO2026193641A1
Disclosed in the present disclosure are a battery apparatus, a case assembly, and an electric device. The battery apparatus comprises a case assembly and battery cells; the case assembly defines an accommodating cavity; the case assembly comprises a first wall; the battery cells are accommodated in the accommodating cavity and supported on the first wall; the first wall comprises an insulating structural layer and a fiber composite material layer that are stacked, and in the thickness direction of the first wall, the insulating structural layer is located between the fiber composite material layer and the battery cells.
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