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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 700 a 725 de 1724
Resumen de: WO2026054102A1
Provided is a method for producing a lithium transition metal composite oxide using a positive electrode recovered from a spent lithium-ion battery. The method for producing a lithium transition metal composite oxide comprises the following steps. (1) A step for preparing a positive electrode recovered from a spent lithium-ion battery, (2) a step for treating the positive electrode with radicals, (3) a step for removing a current collector and recovering a positive electrode mixture from the treated positive electrode, (4) a step for recovering a lithium transition metal composite oxide from the recovered positive electrode mixture, (5) a step for cleaning the recovered lithium transition metal composite oxide, (6) a step for kneading the cleaned lithium transition metal composite oxide and a lithium compound, (7) a step for calcining the kneaded substance under a predetermined condition, and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054101A1
Provided is a method for producing a lithium transition metal composite oxide that uses a positive electrode recovered from a used lithium-ion battery. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a positive electrode recovered from a used lithium-ion battery, (2) a step for heating the positive electrode in a temperature range exceeding the thermal decomposition start temperature of a binder, (3) a step for removing a current collector from the heated positive electrode and recovering a positive electrode mixture, (4) a step for recovering a lithium transition metal composite oxide from the recovered positive electrode mixture, (5) a step for washing the recovered lithium transition metal composite oxide, (6) a step for kneading the washed lithium transition metal composite oxide and a lithium compound, (7) a step for calcining the kneaded material under prescribed conditions, and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026054100A1
Provided is a method for producing a lithium transition metal composite oxide employing positive electrodes recovered from used lithium ion batteries. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a positive electrode recovered from a used lithium ion battery; (2) a step for heating the positive electrode in a temperature range higher than a melting point of a binder and lower than a thermal decomposition start temperature; (3) a step for removing a current collector from the heated positive electrode to recover a positive electrode mixture; (4) a step for recovering a lithium transition metal composite oxide from the recovered positive electrode mixture; (5) a step for washing the recovered lithium transition metal composite oxide; (6) a step for kneading the washed lithium transition metal composite oxide with a lithium compound; (7) a step for calcining the kneaded material under predetermined conditions; and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: 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.
Resumen de: 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.
Resumen de: WO2026051527A1
Embodiments of the present application provide a battery cell detection apparatus and a detection method using same, and a battery cell detection system and a detection method using same. The battery cell detection apparatus comprises: a detection apparatus arranged at a detection station; a conveying apparatus used for conveying a battery cell from a first placement position to a second placement position, the first placement position and the second placement position being located on two opposite sides of the detection apparatus; a first transfer apparatus arranged on a first side of the detection apparatus and used for transferring a grabbed battery cell to the detection station and placing a detected battery cell at the first placement position; and a second transfer apparatus arranged on a second side of the detection apparatus and used for grabbing a battery cell at the second placement position and transferring the grabbed battery cell to the detection station. The first transfer apparatus is configured to move a part to be detected of a battery cell to a first preset position, and the second transfer apparatus is configured to move a part to be detected of a battery cell to a second preset position. The detection apparatus is configured to detect the battery cell grabbed by the first transfer apparatus and/or the battery cell grabbed by the second transfer apparatus.
Resumen de: WO2026054099A1
Provided is a method for producing a lithium transition metal composite oxide using a cathode recovered from a used lithium-ion battery. The method for producing a lithium transition metal composite oxide includes the following steps. (1) A step for preparing a cathode recovered from a used lithium-ion battery; (2) a step for heating the cathode at a temperature range higher than the thermal decomposition initiation temperature of the binder; (3) a step for removing a current collector from the heated cathode and recovering a cathode mixture; (4) a step for recovering a lithium transition metal composite oxide from the recovered cathode mixture; (5) a step for washing the recovered lithium transition metal composite oxide; (6) a step for kneading the washed lithium transition metal composite oxide and a lithium compound; (7) a step for calcining the kneaded material under a predetermined condition; and (8) a step for cooling the calcined lithium transition metal composite oxide.
Resumen de: WO2026055258A1
The chip-integrated intelligent battery system (CIBS) device allows an ultra-fast collection of high-fidelity battery data including, but not limited to, battery voltage, current, external and internal temperature, pressure, gaseous species, vibration and mechanical impact, during the cell operation from the moment the cell is manufactured. CIBS is integrated with actuator, microprocessor, data storage, data transmission, current sensor, voltage sensor, gas pressure sensor, gas species sensor, and power source leads, to provide instant feedback on various parameters inside the battery to assess the battery's performance. The data from CIBS is collected via an integrated or a discrete antenna and streamed wirelessly or through a wired system to a separate control device. Such a device can be part of or a discrete component of the battery management system.
Resumen de: WO2026055175A1
Disclosed herein is a semi-solid polymer electrolyte comprising an electrolyte salt, a solvent and a polymer obtained via an in situ ring-opening polymerization of a monomer without any catalyst other than the electrolyte salt. An electrochemical device comprising the electrolyte exhibits an improved cycling performance and fast charging performance.
Resumen de: WO2026055149A1
Embodiments of the present disclosure relate to methods and devices related to thin film alkali metal energy storage devices. The method for transferring an alkali metal layer includes disposing a release layer over a flexible substrate, the release layer including a low sublimation point, wherein the low sublimation point is less than 120°C, disposing the alkali metal layer onto the release layer, laminating the release layer and the alkali metal layer between the flexible substrate and a first flexible carrier, sublimating the release layer via a treatment source to transfer the alkali metal layer from the flexible substrate to the first flexible carrier, the treatment source operable to pattern the alkali metal layer, and peeling away the flexible substrate from the first flexible carrier.
Resumen de: 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.
Resumen de: WO2026053762A1
A coin-shaped battery comprises: a battery case that has a bottom plate portion and a side portion that stands upright from the peripheral edge of the bottom plate portion; a sealing plate that has a top plate portion and a peripheral edge portion that extends from the top plate portion toward the inside of the side portion; a gasket that is compressed and interposed between the side portion and the peripheral edge portion; an electric power generation element that is sealed by the battery case, the sealing plate, and the gasket; and a pressure-sensitive electrically conductive film that is provided to an external surface of at least one of the battery case and the sealing plate, wherein the pressure-sensitive electrically conductive film has a first elastomer layer for holding an electrically conductive material and a second elastomer layer that is provided to at least one surface of the first elastomer layer and with which the electrically conductive material that is held by the first elastomer layer is in contact, the thickness of the electrically conductive material being equal to or more than the thickness of an elastomer portion of the first elastomer layer, and the electrically conductive material being provided in a single layer in a plane direction of the first elastomer layer.
Resumen de: WO2026053833A1
The present invention improves charge/discharge characteristics. This secondary battery comprises a positive electrode, a negative electrode, and an electrolyte solution. The positive electrode is provided with a positive electrode current collector containing aluminum. The electrolyte solution contains an electrolyte and a solvent. The electrolyte contains a bis(fluorosulfonyl) imide salt. The surface of the positive electrode current collector contains sulfur. A photoelectron spectrum obtained by X-ray photoelectron spectroscopy of the surface of the positive electrode current collector has a first signal having a peak in a range of 164.1-164.5 eV, and a second signal having a peak in a range of 168.9-169.3 eV. The ratio of the sum of the signal intensities of the first signal and the second signal to the total signal intensity of the S2p spectrum is 0.97 or less.
Resumen de: WO2026053768A1
Provided is an inter-cell structure which is suitable for maintaining a buffer function for relaxing stress from a lithium ion battery cell with high durability while achieving a size that is suited to the cell. Provided is an inter-cell structure for use in a battery module or a battery pack including a plurality of arrayed lithium ion battery cells, the inter-cell structure being disposed between adjacent cells among the plurality of cells. The inter-cell structure has: a bag body that defines a sealed space; and a fluid such as a gas and a porous sheet in the sealed space. The bag body is formed of a laminated film including a metal layer and a resin layer, and has a sealing end part in which the innermost layers of first and second film parts of the laminated film are joined to each other so as to seal the sealed space. The porous sheet is positioned at a distance from the sealing end part of the bag body. The bag body has, between the sealing end part and the porous sheet, a folded part in which the first and second film parts overlap with each other and are folded with the first film part being on the inner side.
Resumen de: WO2026054018A1
The present invention improves charge/discharge characteristics. This secondary battery comprises a positive electrode, a negative electrode, and an electrolyte solution. The positive electrode is provided with a positive electrode current collector containing aluminum. The electrolyte solution contains an electrolyte and a solvent. The electrolyte contains a bis(fluorosulfonyl) imide salt. The solvent contains at least one compound selected from a first group consisting of ethylene carbonate, propylene carbonate, fluoroethylene carbonate, dimethyl carbonate, and γ-butyrolactone. The intrinsic molar ratio of the solvent to lithium ions, calculated from the vibrational spectrum of the electrolyte, is greater than 0 and not greater than 1.76.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
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: 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.
Resumen de: WO2026053746A1
A non-aqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, and a non-aqueous electrolyte, wherein the negative electrode has a negative electrode current collector and a negative electrode mixed layer formed on a surface of the negative electrode current collector, the negative electrode mixed layer contains artificial graphite particles and natural graphite particles, the negative electrode mixed layer has a first layer disposed on the negative electrode current collector side and a second layer disposed on the first layer, the second layer contains artificial graphite particles and natural graphite particles, a particle shape index X of the artificial graphite particles satisfies 0.3 ≤ X < 0.9 on the second layer, a particle shape index Y of the natural graphite particles satisfies 0.3 ≤ Y < 0.9 in the second layer, the particle shape index X is an average value of a ratio (ax/bx) of a minor axis ax to a major axis bx of the artificial graphite particles, and the particle shape index Y is an average value of a ratio (ay/by) of a minor axis ay to a major axis by of the natural graphite particles.
Resumen de: WO2026053734A1
In this data processing method, a processor executes processing including: acquiring a parameter relating to the state of a storage battery; and calculating a feature amount affecting the lifetime of the storage battery on the basis of specific processing using the parameter.
Resumen de: WO2026053782A1
The present disclosure provides a solid-state battery suitable for improving volume energy density and suitable for large-current discharge applications. A solid-state battery (100) according to the present disclosure comprises: a ceramic package (10) that includes a package body (20) and a lid body (30); a battery element (40) that includes a first electrode (41), a solid electrolyte layer (43), and a second electrode (42), and is accommodated in the ceramic package (10) such that the first electrode (41), the solid electrolyte layer (43), and the second electrode (42) are arranged in the stated order from the lid-body (30) side toward the inner bottom surface (20b) of the package body (20); and a current collection member (60) that includes a locking part (60k) locked to the package body (20), is disposed along a side surface (41p) of the first electrode (41) so as to surround the first electrode (41), and is electrically connected to the first electrode (41).
Resumen de: WO2026053618A1
The present invention provides: a heat insulation sheet excellent in heat insulation performance and capable of ensuring excellent heat insulation performance even when cracks occur; a method for manufacturing the same; and a battery pack having the heat insulation sheet. The heat insulation sheet contains inorganic particles and glass fibers. In a fracture test in which a plate-shaped cutting jig is pressed against a test piece (20), which is sampled from the heat insulation sheet and has a length of 50 mm on one side and another side of a main surface and a thickness of 5 mm, in a state of supporting a pair of a first end face (71) and a second end face (72), which face each other, such that the plate-shaped cutting jig is orthogonal to the main surface in a direction parallel to the first end face (71) and the second end face (72), and a load is applied until the test piece (20) fractures, selecting the cross section for which the difference between a first distance X and a second distance Y is a maximum value Z results in the maximum value Z being 4 mm or more.
Nº publicación: WO2026054418A1 12/03/2026
Solicitante:
POSCO FUTURE M CO LTD [KR]
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Resumen de: WO2026054418A1
Disclosed are a lithium manganese iron phosphate (LMFP) positive electrode active material for a lithium secondary battery and a method for manufacturing same. The positive electrode active material according to the present invention comprises: an LMFP represented by LiMnaFebPO4 (a + b = 1, a > 0, b > 0); and a carbon layer coated on the surface of the LMFP, and satisfies relational expression 1. Relational expression 1 1.65 ≤ (WcХ10)/S0 ≤ 2.0 In relational expression 1, Wc represents the content (wt%) of carbon in the positive electrode active material as measured using an element analyzer, and S0 represents the sum of surface areas (m2/g) per unit mass of primary particles constituting one secondary particle of LMFP.
BOPI
Sede Electrónica
