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1724
resultados
Última actualización
23/03/2026 [07:26:00]
Resultados 750 a 775 de 1724
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: WO2026053538A1
This heat transfer device comprises a first adsorbent (31) and a second adsorbent (32). The first adsorbent (31) and the second adsorbent (32) generate heat by adsorption of a medium to be adsorbed, and absorb heat by desorption of the adsorbed medium. The adsorbed medium desorbed from one adsorbent among the first adsorbent (31) and the second adsorbent (32) is adsorbed by the other adsorbent. By heating the first adsorbent (31) from the outside, the adsorbed medium desorbed from the first adsorbent (31) is adsorbed by the second adsorbent (32), and the adsorption heat at such time is extracted as warm heat. By cooling the first adsorbent (31) from the outside, the medium to be adsorbed is adsorbed by the first adsorbent (31), the adsorbed medium is desorbed from the second adsorbent (32), and the desorption heat at such time is extracted as cold heat.
Resumen de: WO2026053578A1
The present invention provides a composition for electrode formation. In the composition, thickening and gelation of electrode slurry are inhibited by a simple method. The composition exhibits improved storage stability and comprises: an organic acid containing an optionally substituted aromatic ring and a linker; a positive electrode active material; a conductive additive; a binder; and a solvent.
Resumen de: WO2026053422A1
A zinc battery 1 comprises an electrode group 10. The electrode group 10 comprises alternately layered negative electrodes 12 and positive electrodes 14. The negative electrodes 12 include negative electrodes A1-A3 as first through third negative electrodes counted from one end side in the layering direction of the negative electrodes 12 and the positive electrodes 14 of the electrode group 10, and the negative electrodes A1-A3 include negative electrode materials a11, a12, a21, a22, a31, and a32 that contain an active material that includes zinc, the mass of the active material of the negative electrode A2 being greater than the mass of the active material of the negative electrode A3.
Resumen de: WO2026053439A1
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 melting point of a binder and lower than a thermal decomposition initiation temperature; (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: 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: 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: WO2026053421A1
The present invention is a control method for an electric vehicle, wherein: a first torque command value is output to a first motor for driving a first drive wheel; a second torque command value is output to a second motor for driving a second drive wheel different from the first drive wheel; and driving is performed by the first motor and the second motor receiving power supply from a battery. In the control method, when the temperature of the battery is lower than a predetermined first threshold temperature, a total torque command value obtained by adding the first torque command value and the second torque command value is output to the first motor, a three-phase short-circuit command for bringing the second motor into a three-phase short-circuit state is output to the second motor, a three-phase short-circuit torque generated in the second motor is estimated on the basis of a rotation state of the second motor, and the total torque command value is corrected on the basis of the three-phase short-circuit torque.
Resumen de: WO2026053089A1
The present invention provides: a highly safe separator; and a secondary battery comprising said separator. The separator is provided with particles of an endothermic agent on one or both surfaces thereof. The particles of the endothermic agent are gypsum dihydrate. Accordingly, even when the secondary battery generates heat due to some reason, the endothermic agent can suppress the rise in temperature. A binder having a water absorbing effect is used. Accordingly, even when water is generated in the secondary battery, generation of hydrofluoric acid can be suppressed. Thus, it is possible to provide the highly safe secondary battery.
Resumen de: WO2026052026A1
An electrolyte additive, an electrolyte, a secondary battery, and an electronic apparatus. The electrolyte additive comprises a first component and a second component. The first component is selected from a compound represented by formula I, and the second component is selected from at least one of a compound represented by formula II, a compound represented by formula III, and a compound represented by formula IV. The synergistic effect of the first component and the second component can improve the high-temperature storage performance of the secondary battery and prolong the cycle life thereof.
Resumen de: WO2026052027A1
An electrolyte additive, an electrolyte, and a battery. The electrolyte additive comprises a first additive and a second additive. The first additive comprises a compound represented by formula (I). In formula (I), R1 is at least one F-substituted C1-C6 linear alkyl group. The second additive comprises an unsaturated carbonate substance.
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: 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.
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: WO2026054452A1
The separator for an electrochemical device according to an embodiment of the present invention comprises: a porous polymer substrate; and a coating layer disposed on at least one surface of the porous polymer substrate and including a polymer binder and inorganic particles, wherein the porosity of the porous polymer substrate is approximately 50-65%, inclusive.
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: WO2026052148A1
Provided in the present application are a positive electrode material, a positive electrode sheet, and a secondary battery. The positive electrode material contains an element M, the element M being selected from at least one metal element in groups IA and IIA in the periodic table of elements; the distribution of the element M among particles satisfies: 1.2≤X2/X1≤20, wherein X1 is the concentration of the element M at a central region of the particles and X2 is the concentration of the element M at a surface layer region of the particles; and the surface of the positive electrode material contains nitrate ions, and the amount of nitrate ions is N1, wherein 10 ppm≤N1≤100 ppm. The positive electrode material of the present application has high structural stability and few microcracks, and a stable interface protection layer can be formed on the surface of the positive electrode material, reducing the occurrence of side reactions between an electrolyte and the surface of the positive electrode material, and thereby comprehensively improving the capacity and cycle performance of a battery prepared using the positive electrode material while also improving gas production performance.
Resumen de: WO2026052149A1
Provided in the present application are a positive electrode material, a positive electrode pole piece thereof, and a secondary battery. The positive electrode material comprises a plurality of particles. At least some of the particles have micro-cracks. The size of the micro-cracks is 0.5 nm to 30 nm. The proportion of the number of the particles having micro-cracks in the total number of particles of the positive electrode material is 1.5% to 13%. The method for measuring the proportion comprises: performing a scanning electron microscope test on the positive electrode material to obtain a scanning electron microscope image, selecting 300 positive electrode material particles from the scanning electron microscope image, and counting the number of positive electrode material particles having micro-cracks to obtain the proportion. The positive electrode material or a positive electrode pole piece using the positive electrode material is applied to a secondary battery, which has significantly reduced gas generation behavior and a relatively high capacity, which can facilitate the improvement of the cycle stability and safety of the secondary battery.
Resumen de: WO2026052145A1
A cleaning apparatus comprising a fan assembly (300), a power supply assembly (600) and a handle (500), wherein a first air channel (500c) is formed inside the handle (500), and the first air channel (500) is configured to communicate the fan assembly (300) with the power supply assembly (600), such that an airflow flows from an accommodating cavity (380b) into an inner cavity of a battery compartment (620); and the fan assembly (300) has a filter member (800) for filtering the airflow that enters the first air channel (500c).
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
