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1601
results.
Updated on
20/03/2026 [07:15:00]
Results 600 to 625 of 1601
Absstract of: US20260074262A1
A tape attaching device including: a lower support structure to support a cylindrical electrode assembly; a plurality of compression jigs to bend an insulating tape attached to a side surface of the electrode assembly and protruding in a height direction along a circumference of an upper surface of the electrode assembly, and attach the insulating tape to the upper surface of the electrode assembly; a pressing device to flatten the upper surface of the electrode assembly to which the insulating tape is attached; and a controller to control the compression jigs and the pressing device.
Absstract of: WO2026055137A1
The present disclosure relates to an electrode assembly comprising an electrode and a coating layer or sleeve configured to be positioned over a bare region of an electrode, and methods of making the same. The coating layer or sleeve may reduce incidence of separator failure and/or internal short circuiting. The coating layer or sleeve may help reduce the stress caused by the edge of the electrode against another electrode. Energy storage devices, such as a lithium-ion battery, utilizing the electrode assembly are also described.
Absstract of: WO2026055096A1
Disclosed is a method for preparing a battery assembly based on multiple pre-pressed subunits each of which begins and ends with a cathode layer. In some embodiments, the battery assembly prepared by the method as disclosed herein can lead to a longer cycle life in comparison to one prepared by pre-pressed subunits beginning and ending with an anode layer.
Absstract of: WO2026054345A1
A battery diagnosis apparatus, according to one embodiment disclosed in the present document, comprises: an interface for acquiring a temperature profile indicating a temperature change of a battery cell with respect to a voltage change of the battery cell, and a capacity profile indicating a capacity change of the battery cell with respect to the voltage change of the battery cell; and at least one processor, wherein the at least one processor is configured to estimate a degradation level indicating a degree to which the battery cell is degraded by using identification of a first peak value, indicating a phase transition of the battery cell, on the basis of the temperature profile, and identification of a first point corresponding to the first peak value from the capacity profile.
Absstract of: WO2026054342A1
A technical idea of the present invention provides an inspection apparatus comprising: an inspection jig that includes a first jig having a plurality of first pressure sensing elements and a second jig having a plurality of second pressure sensing elements, and is configured to generate thickness data for the thickness of a battery cell while the battery cell provided between the first jig and the second jig is in contact with the first jig and the second jig; and a processor configured to detect a bending dimension and a bending shape of the battery cell on the basis of first pressure data generated by the plurality of first pressure sensing elements, second pressure data generated by the plurality of second pressure sensing elements, and the thickness data.
Absstract of: WO2026054860A1
The present disclosure provides for batteries including an all-active material cathode, methods of making material cathodes, and the like. The battery can be a single-use battery, in other words, the battery does not need to be rechargeable. The cathode architecture of the present disclosure is referred to as an all-active material (AAM) electrode. AAM architecture can produce improved volume loading efficiency in the cell, removal of inactive components that can reduce efficiency of the battery, improved mechanical characteristics, and a homogeneous material distribution.
Absstract of: WO2026052144A1
A cleaning apparatus comprising a fan assembly (300), a handle (500) and a support member (510), wherein the fan assembly (300) comprises a main housing (350) and an electric motor (360), the electric motor (360) being located in the main housing (350); the handle (500) is connected to the lower side of the fan assembly (300); the support member (510) is connected to the lower side of the fan assembly (300) and is spaced apart from the handle (500); and the connection between the handle (500) and the fan assembly (300) is located at the axial front end of the electric motor (360), and the connection between the support member (510) and the fan assembly (300) is located at the axial rear end of the electric motor (360).
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: WO2026051534A1
The present application relates to the technical field of batteries, and specifically to a positive electrode material and a preparation method therefor, a sodium secondary battery, and an electric device. The positive electrode material comprises single-crystal particles and/or quasi-single-crystal particles of a layered transition metal oxide. The design method provided by the present application is conducive to prolonging the cycle service life of the sodium secondary battery.
Absstract of: WO2026051530A1
A tray, a transfer device and a testing apparatus. The tray (100) comprises a support plate (1), pressing plate assemblies (2) and magnetic attraction assemblies, wherein the support plate is configured to carry a battery cell (200); each pressing plate assembly comprises a connecting base (21) and a pressing plate (22), the connecting base being connected to the support plate, and the pressing plate being rotatably connected to the connecting base and being operably switched between a first position state and a second position state; the magnetic attraction assemblies are disposed on the corresponding connecting bases and configured to hold the pressing plates in the first position state or the second position state; each pressing plate comprises a first contact portion (221) and a second contact portion (222); when the pressing plates are in the first position state, the first contact portions abut against the battery cell to press the battery cell tightly against the support plate; and when the pressing plates are in the second position state, the second contact portions abut against the corresponding connecting bases to release the battery cell. By means of the magnetic attraction force between the magnetic attraction assemblies and the pressing plates, the tray enables the pressing plates to be stably held in either the first position state or the second position state, thereby conveniently and quickly pressing or releasing the battery cell.
Absstract of: 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.
Absstract of: WO2026054633A1
The present invention relates to a cleaner, comprising: a main body housing in which a suction motor that generates a suction airflow is accommodated; a battery including a battery cell that supplies power to the suction motor; and a handle disposed between the suction motor and the battery and configured to be gripped, wherein the handle has a cooling channel formed thereinside, through which at least a portion of air discharged from the suction motor flows, and the battery includes a ventilation opening in communication with the cooling channel, such that a portion of the air discharged from the suction motor can circulate air inside the battery.
Absstract of: WO2026054637A1
Disclosed is an all-solid-state battery using a non-carbon-based tungsten oxide cathode additive having high conductivity and high safety. The cathode additive according to an embodiment comprises a tungsten oxide having an oxygen vacancy, and the tungsten oxide can replace a carbon-based conductive material in a cathode composite compound for an all-solid-state battery.
Absstract of: WO2026054534A1
The present invention relates to a method for manufacturing a lithium secondary battery electrode, a lithium secondary battery electrode manufactured using same, and a lithium secondary battery comprising same, the method comprising the steps of: making one surface of an electrode active material layer come in contact with a transfer laminate in which a substrate layer and a lithium metal layer are in direct contact with each other, so that the electrode active material layer and the lithium metal layer face each other; and pressing, at a pressure of 6 kgf/cm2 or less, and aging the electrode active material layer in contact with the transfer laminate, wherein the transfer laminate is formed by making the lithium metal layer come in contact with one surface of the substrate layer and rolling same.
Absstract of: WO2026054537A1
A method of preparing a raw material for a lithium iron phosphate positive electrode, according to one embodiment, comprises the steps of: extracting valuable metals from a metal oxide-based waste positive electrode material and preparing an extraction residue containing phosphorus as an impurity; adding, to the extraction residue, an iron-containing precipitating agent that forms a precipitate with phosphorus and recovering the precipitate; washing the recovered precipitate and then drying same; and calcining the dried precipitate.
Absstract of: WO2026051562A1
The present application relates to the technical field of batteries, and in particular to a battery cell and a battery pack. The battery cell comprises: a casing, in which an accommodating cavity is formed; and a cover plate, welded to the casing to seal the accommodating cavity, wherein after welding, a weld portion is formed between the cover plate and the casing; formula (I), wherein C is the perimeter of the cover plate and is expressed in mm, S is the area of the cover plate and is expressed in mm2, K is the shear strength of the cover plate and is expressed in Mpa, and B is the fusion depth of the weld portion and is expressed in mm. In the present invention, the perimeter C of the cover plate, the area S of the cover plate, the shear strength K of the cover plate, and the fusion depth B of the weld portion are defined to satisfy the condition C/S×B×K≥1.25, so that the welding strength between the casing and the cover plate can be ensured, and the weld portion is prevented from cracking, thereby ensuring the airtightness of the battery cell, and further ensuring the use safety of the battery cell.
Nº publicación: WO2026051574A1 12/03/2026
Applicant:
GUANGZHOU LEJIA ELECTRIC APPLIANCE CO LTD [CN]
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Absstract of: WO2026051574A1
An ice cream machine, comprising a housing, an inner container, a mounting seat, a first sealing member, and a stirring device. The housing has a double-layer structure, consisting of an outer housing layer and an inner housing layer. The outer housing layer and the inner housing layer are connected, forming a hollow vacuum interlayer portion therebetween. A first placement space formed among the housing, the inner container, the mounting seat, and the first sealing member is a first-layer sealing structure. The vacuum interlayer portion formed between the outer housing layer and the inner housing layer is a second‑layer sealing structure. The double‑layer structure is in a vacuum state and works in conjunction with a refrigerant, to prevent cooling loss from the inner container, thereby achieving an insulating and freezing effect.
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