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586
resultados
Última actualización
24/08/2026 [07:59:00]
Resultados 25 a 50 de 586
Resumen de: WO2026171114A1
The present disclosure relates to a battery enclosure body, a battery pack, and a vehicle. The battery enclosure body comprises: a front beam and a rear beam, wherein in the extension direction of the front beam and the rear beam, the heights of the left ends and/or the right ends of the front beam and the rear beam are smaller than the heights of the middle portions of the front beam and the rear beam; and a left beam and a right beam, wherein the left beam is connected to left ends of the front beam and the rear beam, the left ends of the front beam and the rear beam have the same height as the left beam, the right beam is connected to right ends of the front beam and the rear beam, and the right ends of the front beam and the rear beam have the same height as the right beam. In the battery enclosure body of the present embodiment, the height of at least one end of each of the front beam and the rear beam is reduced, and the heights of the left beam and/or the right beam are also reduced, so that the weight of the battery enclosure body is reduced. The reduced heights at the end portions of the front beam and the rear beam, and the reduced heights of the left beam and/or the right beam can be compensated by an enclosure upper cover. For the same volume, the weight of the enclosure upper cover is smaller than that of the battery enclosure body, thereby reducing the overall weight of the battery pack and satisfying the lightweight requirement.
Resumen de: WO2026171108A1
A current collector cylinder, a lithium thionyl chloride battery, and an assembly process for a lithium thionyl chloride battery. The current collector cylinder comprises a cylinder body (51) and a limiting structure (52), wherein the cylinder body (51) is inserted into a positive electrode member (4), and cooperates with a side wall (12) of a housing (1) to provide lateral support and restraint for the positive electrode member (4); the limiting structure (52) comprises an abutting portion (5201) and an elastic portion (5202) connected to the abutting portion (5201); and in the radial direction of the cylinder body (51), the limiting structure (52) is configured to be spaced apart from the side wall (12) of the housing (1) of a lithium thionyl chloride battery.
Resumen de: WO2026170998A1
The present utility model provides a battery pack and an energy storage cabinet, the battery pack comprising: a housing, a gas-based fire extinguishing module, a liquid-based fire extinguishing module, and a pressure relief mechanism, wherein an accommodating space for accommodating a battery module is formed within the housing; the gas-based fire extinguishing module is arranged on a side wall of the housing or in the accommodating space; the liquid-based fire extinguishing module comprises an inlet and an outlet which are arranged on a first side wall of the housing; the pressure relief mechanism is arranged on a second side wall of the housing, and the pressure relief mechanism is configured for releasing high-pressure gas from the accommodating space. The present utility model allows for multi-agent fire protection to be performed on a battery pack, thereby effectively extinguishing flames, preventing battery cell re-ignition, and suppressing battery fires. In addition, direct impact from incoming water on a pressure relief mechanism is prevented during a water-based fire suppression stage, and a liquid-based fire extinguishing agent is retained in an accommodating space, thereby enabling full utilization of the fire extinguishing efficiency thereof, and further improving reliability and safety of water-based fire suppression.
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.
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.
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.
Resumen de: WO2026173716A1
A cooling assembly includes a number of cooling manifolds in fluid communication with a battery module, an inlet channel for cooling fluid ingress, an inlet manifold fluidly coupled with the inlet channel, and a number of inlet tubes fluidly communicating the inlet manifold with corresponding cooling manifolds. Each inlet tube has a first end coupled to the inlet manifold and a second end coupled to the corresponding cooling manifold. The cooling assembly also includes an outlet channel for cooling fluid egress, an outlet manifold fluidly coupled with the outlet channel, and a number of outlet tubes fluidly communicating the corresponding cooling manifolds with the outlet manifold. A first outlet end of each outlet tube is coupled to the outlet manifold and a second outlet end of each outlet tube is coupled to the corresponding cooling manifold.
Resumen de: WO2026170739A1
The present disclosure relates to a power battery and construction machinery. The power battery comprises: at least two battery module assemblies stacked in a first direction, wherein each battery module assembly comprises at least two battery modules, each battery module comprising at least two battery cells; at least two tray assemblies, wherein a tray assembly is disposed between two adjacent battery module assemblies, and a tray assembly is disposed on a first side of the at least two battery module assemblies in the first direction; and a cover plate assembly disposed on a second side of the at least two battery module assemblies in the first direction. The power battery uses a modular design, the number of the battery module assemblies can be flexibly set on the basis of the spatial layout and power requirements of different main unit products, and the power battery can be adapted to power battery boxes of different specifications, thereby achieving a high adaptability.
Resumen de: US20260245891A1
0000 A main object of the present disclosure is to provide a cathode active material with excellent storage capacity durability. The present disclosure achieves the object by providing a cathode active material including: a crystalline primary particle containing Li, TM, which is a transition metal, and O, wherein the cathode active material is a single crystalline active material configured by the primary particle; the cathode active material includes a compound A containing La, Ni, and O, and a compound B containing Li, W, and O, on a surface of the primary particle; and La and W are present inside the primary particle.
Resumen de: US20260245881A1
Provided is a composite cathode active material configured to decrease the rate of resistance increase that is due to battery charge and discharge, the composite cathode active material comprising a cathode active material, a compound A comprising La, Ni and O, and a compound B comprising Li, W and O, wherein the cathode active material is a crystalline primary particle comprising Li, a transition metal and O; wherein the cathode active material is a single-crystal type active material comprising the primary particle; wherein the compound B is present in a coating layer form on at least part of a surface of the primary particle; and wherein the compound A is independently present as isolated particles.
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.
Resumen de: WO2026171578A1
Method (200) for post-treatment of a deposited solid electrolyte separator layer (102), wherein the solid electrolyte separator layer (102) is applied to a current collector (101) made of metal or metallized polymer film and exhibits mechanical stresses as well as crystallite stresses, the method comprising: heating (202) the solid electrolyte separator layer (102) by light absorption to a predetermined temperature above a material-dependent temperature threshold, whereby the mechanical stresses in the solid electrolyte separator layer (102) are reduced.
Resumen de: US20260242241A1
0000 A main object of the present disclosure is to provide a cathode active material with which the increase in resistance in storage is reduced. The present disclosure achieves the object by providing a cathode active material including: a crystalline primary particle containing Li, TM, which is a transition metal, and O, wherein the cathode active material is a single crystalline active material configured by the primary particle; and the cathode active material includes a compound A containing La, Ni, and O, a compound B containing Li, W, and O, and a compound C containing Li, B, P, and O, on a surface of the primary particle.
Resumen de: WO2026171197A1
An explosion-proof housing body for a battery, a housing, and a battery. The outer surface of a bottom wall (10) of the explosion-proof housing body is provided with an explosion-proof groove (101); a plurality of radial grooves (2) of the explosion-proof groove (101) are arranged around the peripheral side of a central groove (1) and are in communication with the central groove (1), and each radial groove (2) extends from the central groove (1) towards the edge of the bottom wall (10); and the thickness Tx of the bottom wall (10) at the explosion-proof groove (101) has at least a continuously varying value range and/or a discontinuously varying value range.
Resumen de: AU2024443304A1
The present disclosure provides a negative electrode sheet, a secondary battery, an electric device, and a hard carbon material and a preparation method therefor. After the hard carbon material is sintered and heated for 2 h at 1000°C in an inert atmosphere, the surface oxygen content measured under a vacuum condition is set as X1, and the surface oxygen content measured after 30 days of exposure in air with a humidity less than or equal to 2% is set as X2, wherein X1 and X2 satisfy: X2-X1≤5 wt%.
Resumen de: US20260246049A1
A battery holding and dispensing device can hold a plurality of coin batteries. The battery holding and dispensing device includes a body having a plurality of compartments, or a single channel, sized and shaped to each receive a coin battery and the body having one or more magnetic inserts for releasably retaining the battery in the compartment. Alternately the body has a mechanical device to hold the coin batteries into the body at opposite ends.
Resumen de: US20260246005A1
0000 A cooling arrangement, an energy storage device, in particular an electrochemical battery for an apparatus, and an apparatus, in particular a vehicle, such as an aircraft. For cooling down an energy storage device, such as an electrochemical battery in an apparatus, in particular a vehicle, such as an aircraft, the cooling arrangement includes at least one compressing device for providing a cooling medium and/or cooling agent for cooling down the energy storage device and/or quenching exhausts, respectively, which may be produced due to a technical failure of at least one energy storage unit of the energy storage device, wherein the compressing device is configured to be at least partly driven by the exhausts.
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.
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 3:10nm≤Y≤1μmFormula210nm≤X≤1μmFormula3where 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.
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.
Resumen de: US20260243725A1
The present disclosure relates to an apparatus and method for determining coulombic efficiency of a lithium metal battery. An apparatus for determining coulombic efficiency of a lithium metal battery according to the present disclosure includes a physical property data generation unit configured to generate physical property data of an electrolyte in the lithium metal battery, and a coulombic efficiency determination unit configured to determine the coulombic efficiency of the lithium metal battery based on the physical property data of the electrolyte, and elemental composition data representing respective amounts of elements present in the electrolyte.
Resumen de: US20260245948A1
0000 An all solid battery includes a first electrode layer including a first electrode layer including a first electrode that includes a first electrode active material and is quadrilateral, and a first margin that is quadrilateral, the first electrode layer being formed by connecting the first electrode and the first margin, a second electrode layer including a second electrode that has a quadrilateral shape in plan view and that includes a second electrode active material that has a lower average operating potential than the first electrode active material, and a second margin that is connected to one side of the quadrilateral shape of the second electrode, the quadrilateral shape having a first side and a second side that are adjacent to the one side, the second margin extending to the first side, and a solid electrolyte layer arranged between the first electrode layer and the second electrode layer.
Resumen de: WO2026171295A1
The disclosure relates to an electrical energy store (1) for an electric vehicle having: a plurality of storage cells (2); an electronics unit for monitoring and controlling the storage cells (2); at least one switching element (6) which is electrically connected to the electronics unit and/or to the plurality of storage cells (2); at least one plug (4) for electrically and mechanically connecting the switching element (6) to the electronics unit and/or to the storage cells (2); and a cover cap (8) for covering the at least one plug (4) in order to protect it from the penetration of fluid, in particular structural foam.
Resumen de: WO2026173407A1
A secondary battery according to an aspect of the present invention comprises: a case; an electrode assembly which is accommodated in the case; a vent hole which is formed in the lower side of the case; separation members which protrude from the lower side to separate the electrode assembly from the vent hole; venting flow paths which are arranged on the sides of the separation members on the lower side; and a cap assembly which seals the case, wherein gas in the case is guided along the venting flow paths by the separation members and is discharged via the vent hole.
Nº publicación: US20260246027A1 20/08/2026
Solicitante:
MURATA MFG CO LTD [JP]
MURATA MANUFACTURING CO., LTD.
Resumen de: US20260246027A1
0000 A battery pack is provided and includes a battery unit. The battery unit includes multiple batteries and one or more heat-absorbing members. For example, the one or more heat-absorbing members each include a heat-absorbing agent and a housing body housing the heat-absorbing agent. The one or more heat-absorbing members each extend in an axial direction of the batteries, and are each disposed to be adjacent to at least two of the batteries. The battery unit further includes a battery holder, a first tab, and a second tab. The battery holder holds the batteries. The first tab is coupled to a terminal on one end side of each of the batteries. The second tab is coupled to a terminal on another end side of each of the batteries. The first tab is provided to cover, when the battery unit is viewed in the axial direction of the batteries, one end of each of the one or more heat-absorbing members. The second tab is provided to cover, when the battery unit is viewed in the axial direction of the batteries, another end of each of the one or more heat-absorbing members.
BOPI
Sede Electrónica
