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1509
resultados
Última actualización
17/03/2026 [07:16:00]
Resultados 200 a 225 de 1509
Resumen de: WO2026051406A1
The present invention relates to a hard carbon negative electrode material, a preparation method for a hard carbon negative electrode material, and a sodium-ion battery. The hard carbon negative electrode material has a closed pore volume of 0.01 cm3/g
Resumen de: US20260074364A1
A battery pack case according to an embodiment of the present disclosure includes: a base plate, a side plate disposed along a circumference of the base plate and having a lower side connected to the base plate, a cover plate covering an upper side of the side plate and define an accommodation space above the base plate, a partition plate disposed in the accommodation space to partition the accommodation space into a plurality of spaces, and a top plate forming a flow path together with the cover plate and disposed above the cover plate.
Resumen de: US20260074371A1
The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator for a rechargeable lithium battery includes a porous substrate, and a coating layer located on at least one surface of the porous substrate.
Resumen de: US20260074355A1
A battery pack according to the present disclosure includes: a battery assembly including a plurality of battery cells; a pack case in which an accommodation space is defined to accommodate the battery assembly; at least one first vent hole provided on a first side of the battery assembly; a vent space provided on the first side of the first vent hole and formed in the pack case; and a backflow preventing member having at least one opening/closing portion disposed to correspond to the first vent hole. The opening/closing portion is opened to allow communication between the first vent hole and the vent space when an internal pressure of the battery assembly reaches or exceeds a predetermined reference value.
Resumen de: US20260074393A1
The present disclosure provides a pole, a cover plate assembly, and a battery cell. The pole includes a first metal part and a second metal part. The first metal part has a first inward part and a first outward part that is disposed on an inner wall of the first inward part. The second metal part includes a main body and a second outward part. A second inward part is disposed on an outer peripheral surface of the second outward part. The second outward part is embedded into the first inward part, and the first outward part is embedded into the second inward part. A side of the second inward part away from a bottom wall of the first inward part is represented as a first surface. And a gap is only disposed between the first outward part and the first surface.
Resumen de: US20260074351A1
A battery array insulating and separating structure for implementation with multiple lithium-ion cells is disclosed. Such an article is configured in a manner to permit the disposition of individual batteries in close proximity to one another while simultaneously being separated from any contact with an insulating material therebetween. The configuration is a honeycomb-like structure preventing any contact between batteries placed therein as well as protection from heat transfer from one battery to another therein. Such a separating/insulating article thus allows for safer utilization of multiple battery cells within a close-quarter array thereof, ostensibly preventing or at least significantly reducing the propensity of a single (or multiple) battery subject to a short or other damaging phenomenon from deleteriously affecting any other batteries within the array through such heat transfer possibilities. A method of utilizing such a unique honeycomb-like array with multiple separate battery cells simultaneously is also encompassed within this disclosure.
Resumen de: WO2026054366A1
Provided is an electrode assembly according to exemplary embodiments of the present invention. The electrode assembly comprises positive and negative electrodes, a separator therebetween, and an insulation member, wherein the insulation member comprises one or more holes overlapping with positive and negative electrode. The electrode assembly allows ions to move through the one or more holes and may be a jelly roll-type that is wound around a first direction as the axis.
Resumen de: WO2026054424A1
A technical idea of the present invention provides a battery device comprising: a housing; a cell assembly which is provided in the housing and which includes a plurality of battery cells; a first thermally conductive adhesive layer for attaching a first area of the cell assembly to the housing; and a second thermally conductive adhesive layer for attaching a second area of the cell assembly to the housing, wherein the thermal conductivity of the first thermally conductive adhesive layer is greater than the thermal conductivity of the second thermally conductive adhesive layer, and the adhesive strength of the first thermally conductive adhesive layer is less than the adhesive strength of the second thermally conductive adhesive layer.
Resumen de: WO2026052153A1
The present application provides a preparation method for a negative electrode slurry, a negative electrode sheet, a battery, and a negative electrode slurry prepared by the present application. The preparation method comprises the following steps: S1, preparing a first adhesive solution from a first binder and water, subjecting a negative electrode main material and a first conductive agent to dry-powder mixing, then adding the first adhesive solution thereto and continuing to mix same, so as to obtain a first mixed system; S2, adding part of a second binder to the first mixed system and mixing same, so as to obtain a second mixed system; S3, adding the remaining second binder to the second mixed system, so as to obtain a third mixed system; S4, adding a second conductive agent to the third mixed system and mixing same, so as to obtain a fourth mixed system; and S5, adding a third binder to the fourth mixed system, mixing same, and adjusting the solid content and viscosity thereof, so as to obtain a negative electrode slurry. The negative electrode slurry exhibits uniform dispersion and high stability, and has no obvious sedimentation and little viscosity change after long-term storage, and the electrode sheet prepared therefrom has a high peeling force, and the battery prepared therefrom has good cycle performance.
Resumen de: WO2026051759A1
Provided in the present application are an electrolyte and a secondary battery. The electrolyte of the present application comprises a solvent, an electrolyte, and an additive. The additive comprises a first component and a second component. The first component is selected from a compound represented by formula I. The second component is selected from a compound represented by formula II. The synergy of the first component and the second component can enhance the high-temperature storage performance and high-temperature cycle performance of the secondary battery, and reduce the impedance growth rate.
Resumen de: WO2026051796A1
Provided in the present disclosure are a positive electrode sheet, a solid-state battery cell, a battery apparatus, an electrical apparatus, a halide solid-state electrolyte material and a preparation method therefor. The positive electrode sheet comprises a positive electrode active material and a halide solid-state electrolyte material, the halide solid-state electrolyte material being in an amorphous state. The molecular formula of the halide solid-state electrolyte material is LiM1 xM2 yX6, M1 comprising one or two elements of Ta and Nb, M2 comprising one or more of trivalent metal elements and tetravalent metal elements, X comprising one or more of halogen elements, 0.5≤x＜1, and LiM1 xM2 yX6 being electrically neutral. The positive electrode sheet is applied to a solid-state battery cell, and can improve the cycling stability and rate performance of the solid-state battery cell.
Resumen de: WO2026051801A1
The present application discloses an electrolyte additive, an electrolyte, and a battery. The electrolyte additive comprises a first additive and a second additive, wherein the first additive comprises a compound represented by formula 1, and the second additive comprises a compound represented by formula 2. The first additive and the second additive in the electrolyte additive of the present application are therefore capable of working together and forming a stable SEI film with low impedance on a negative electrode, thereby improving the low-temperature discharge performance and high-temperature cycle stability of the battery.
Resumen de: WO2026051328A1
The present application relates to the technical field of batteries, and discloses a cover plate assembly and a battery. The cover plate assembly comprises a cover plate, poles, sealing rings, and welding rings. The outer contour of a first pole section of each pole is larger than that of a second pole section thereof; the first pole section is limited on a first side of the cover plate; and the welding rings are arranged on a second side of the cover plate and are welded on the corresponding second pole sections. The cover plate assembly can be assembled simply by welding the welding rings on the second pole sections, so that the assembly process is simple. The value range of the welding penetration depth A of a welding seam is limited to be 1.2 PM/D≤A≤0.8 T, and the welding penetration depth is associated with the full-life-cycle pressure P of the sealing ring, the ratio M of the contact area of the sealing ring and the welding ring to the perimeter of the inner ring of the welding ring, the shearing strength D of the welding seam, and the thickness T of the welding ring, so that sufficient welding strength can be ensured, and the sealing rings can be prevented from being melted, ensuring airtightness, controlling product quality by controlling the welding penetration depth.
Resumen de: WO2026052014A1
The present application relates to the technical field of batteries. Disclosed are a new cylindrical battery cell module and a battery cell module stacking method. The new cylindrical battery cell module comprises an outer case, battery cell assemblies and a liquid cooling mechanism, wherein a plurality of battery cell assemblies are arranged inside the outer case, adjacent battery cell assemblies being connected to each other via structural adhesive; the liquid cooling mechanism is arranged in each battery cell assembly or between every two adjacent battery cell assemblies; and a plurality of lifting holes are provided on the outer wall of the outer case. In the present application, the battery cell module comprises a plurality of stacked battery cell assemblies, which are connected to each other via structural adhesive, thereby improving the strength of the battery cell module, while also avoiding common technical defects in the foam adhesive process such as adhesive leakage, adhesive overflow, and low pass rates in foam quality.
Resumen de: WO2026051223A1
The present invention belongs to the technical field of negative electrode materials for lithium-ion batteries, and provides a porous silicon-carbon negative electrode material coated with a fast ion conductor and a preparation method therefor. The preparation method in the present invention comprises: pre-carbonizing a resin in a nitrogen atmosphere to obtain a carbon precursor; crushing the carbon precursor, then subjecting same and an alkali to solid-phase mixing, and sequentially performing an activating treatment and acid pickling on the mixture, so as to obtain a porous carbon material; preparing nano-silicon on the surface of the porous carbon material by subjecting a silane compound to a deposition reaction, so as to obtain a nano-silicon-deposited porous carbon substrate; introducing a carbon source gas under a protective gas atmosphere to perform chemical vapor deposition on the nano-silicon-deposited porous carbon substrate, so as to obtain a silane-deposited porous carbon composite material; and mixing the silane-deposited porous carbon composite material, a metal salt, a phosphate solution and an alkaline precipitant, and then sequentially performing a reflux reaction and a calcination treatment, thereby obtaining a porous silicon-carbon negative electrode material coated with a fast ion conductor. The silane-deposited porous carbon negative electrode material coated with a fast ion conductor prepared in the present invention has a stable structure, a high capaci
Resumen de: US20260074249A1
A multi-module fuel cell system includes a plurality of fuel cell stacks, at least one battery connected to the plurality of fuel cell stacks, and a controller configured to determine whether the plurality of fuel cell stacks and the at least one battery are allowed to provide outputs in response to input of a required output, and controls either the plurality of fuel cell stacks or the at least one battery, selectively, to provide an output to satisfy the required output based on a result of determination as to whether outputs are allowed to be provided, and a method of controlling the same.
Resumen de: US20260074297A1
Carbon batteries are attractive from an environmental perspective, as they have carbon-only electrodes and are therefore metal-free. The current invention refers to secondary carbon batteries with water-based brine electrolytes. These electrolytes have low toxicity, are not flammable, and allow for easy on-site battery recycling. The operating voltage of the inventive secondary carbon batteries can reach up to 1.8 V. These carbon batteries are best suited for electric storage utilities in renewable energy installations.
Resumen de: US20260074235A1
An electrode and a secondary battery are disclosed. An electrode includes a substrate, and a coating layer including a first coating layer coated on a side of the substrate in a first direction, and a second coating layer coated on another side of the substrate in a second direction, and the coating layer includes a first layer and a second layer located on the first layer and defining a step with the first layer.
Resumen de: US20260074223A1
Disclosed is a negative electrode for a lithium secondary battery that enables the provision of a lithium secondary battery having a higher energy density and can fundamentally prevent the electrolyte decomposition reaction and the lithium dendrite formation, a method for manufacturing the same and a lithium secondary battery including the same.
Resumen de: US20260074266A1
An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The winding unit includes a plurality of winding heads (10) and a movement device (3) of said winding heads (10) configured to displace said winding heads (10) along a working path (P). Each winding head (10) is configured to wind said strip-shaped article (N) so as to make said coil (B) and is movable along said working path (P). The feed unit (2) comprises a movable portion (20) configured to be displaced along a substantially horizontal displacement direction (d).
Resumen de: US20260074277A1
The present disclosure relates to a solid-state battery cell and methods for its manufacture. The battery cell includes a silicon-based anode with a sulfide anolyte, a nickel cobalt manganese cathode with an oxychloride catholyte, and a bi-layer solid electrolyte separator that is positioned between and in direct contact with the anode and the cathode. The separator includes a first layer of sulfide-type solid electrolyte adjacent to the anode and a second layer of oxychloride-type solid electrolyte adjacent to the cathode.
Resumen de: WO2026054436A1
The present invention relates to an apparatus and a method for manufacturing a secondary battery and, more specifically, to a method and an apparatus for manufacturing a secondary battery by easily checking the degree of impregnation by an electrolyte. To this end, according to one embodiment of the present invention, a method for manufacturing a pouch-type secondary battery may be provided, the method comprising: a pre-aging step for inserting an electrode assembly into a pouch case and assembling same, and injecting an electrolyte into the pouch case and sealing the pouch case; and an impregnation checking step for, after the pre-aging step, pressing the outer surface of the pouch case through a pad sensor having a plurality of nodes, and checking the degree of impregnation of the electrode assembly by the electrolyte on the basis of the deviation of pressures sensed through the plurality of nodes.
Resumen de: WO2026054425A1
The present invention relates to a battery cell array capable of increasing cooling efficiency, and a battery pack and a vehicle comprising same, and provides a battery cell array, and a battery pack and a vehicle comprising same, the battery cell array being characterized by comprising: a plurality of battery cells arranged in n rows in a predetermined length; and cooling tubes which cool the plurality of battery cells and come into contact with the plurality of battery cells so as to surround at least a portion of each of the plurality of battery cells, wherein n cooling tubes are provided in one-to-one correspondence with the plurality of battery cells arranged in the n rows.
Resumen de: WO2026054535A1
Disclosed is a foil exposure inspection device for improving inspection accuracy, the foil exposure inspection device comprising: a camera module for capturing an image of the surface of an object; a lighting module that irradiates the surface of the object with light; and a processor that performs a process for inspecting whether surface defects of the object are present by processing the image acquired by the camera module, wherein the processor preprocesses the image on the basis of at least one preset parameter, inspects whether surface defects of the object are present on the basis of the preprocessed image, and generates and outputs an inspection result screen that displays the inspection result, the preprocessed image, and the at least one parameter.
Nº publicación: WO2026054629A1 12/03/2026
Solicitante:
L&F CO LTD [KR]
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Resumen de: WO2026054629A1
The present invention provides a composite cathode for an all-solid-state secondary battery, characterized by comprising a cathode active material and a composite electrolyte comprising a sulfide-based solid electrolyte and a transition metal-containing chloride-based solid electrolyte. By providing stable and excellent electron/ion transfer pathways at high voltage, the composite cathode is capable of improving the lifespan and charge/discharge characteristics of the all-solid-state secondary battery.
BOPI
Sede Electrónica
