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1049
resultados
Última actualización
13/01/2026 [07:05:00]
Resultados 25 a 50 de 1049
Resumen de: WO2026010812A1
Disclosed is a method of preparing an assembly of a battery with a high yield. In some embodiments, the method comprises laminating one pre-pressed unit of a first type over one or more pre-pressed units of a second type, wherein the first type and the second type have a different configuration, the bottom of the pre-pressed unit of the first type is functionally complementary to the top of the pre-pressed unit of the second type without structural redundancy at the interface between adjacent units. In some embodiments, the bottom of a first pre-pressed unit of the second type is functionally complementary to the top of a second pre-pressed unit of the second type with no structural redundancy at interface therebetween.
Resumen de: WO2026007689A1
The present invention provides a lithium secondary battery, characterized in that a lithium deposition guide layer is provided on the surface of a negative electrode of the lithium secondary battery, thereby transforming the mode of relatively high-speed and excessively concentrated lithium ion deposition into the mode of relatively low-speed and high-uniformity lithium atom deposition; and a high-uniformity lithium metal layer is formed between the lithium deposition guide layer and the negative electrode, thereby effectively avoiding the formation of lithium dendrites.
Resumen de: WO2026007932A1
The present disclosure relates to the technical field of negative electrode materials of a secondary battery, and particularly relates to a negative electrode material and a preparation method therefor, a negative electrode sheet, a battery and an electric device. The negative electrode material comprises composite particles, and the composite particles comprise an inner core and an amorphous carbon coating layer coating the outer surface of the inner core, wherein the inner core comprises a graphite skeleton and amorphous carbon filled in the graphite skeleton; and the average thickness of the amorphous carbon coating layer is 15-45 nm. The negative electrode material is subjected to Raman spectrum surface scanning, wherein the number of Raman spectrum surface scanning points is 400. The average value of ID/IG of the Raman spectrum of the negative electrode material is 0.40-0.50, wherein the number of the scanning points having an ID/IG single point value greater than 0.4 is greater than 70%. The negative electrode material has a low expansion rate and good rate capability.
Resumen de: WO2026007516A1
An energy storage power supply (100). The energy storage power supply (100) comprises a casing (10), a battery module (20), and an inverter (30). The casing (10) comprises a first case (11) and a second case (12). The first case (11) is detachably connected to the second case (12). The first case (11) comprises a first inner wall (1111) opposite to the second case (12) and is provided with a first positioning portion (1112) on the first inner wall (1111). The second case (12) comprises a second inner wall (1212) opposite to the first case (11) and is provided with a second positioning portion (1213) on the second inner wall (1212). Two ends of the battery module (20) are respectively inserted into the first positioning portion (1112) and the second positioning portion (1213). The inverter (30) is provided in the interior of the casing (10) and is electrically connected to the battery module (20).
Resumen de: WO2026010707A1
The present disclosure provides a modular biodegradable battery system addressing limitations of conventional batteries. The system comprises removable energy pods, each containing a first electrode, a second electrode, separate compartments for organic material and vinegar, and an activation mechanism to mix these components into a biodegradable slurry. A reusable modular base removably couples with the energy pods. This design enables customizable power configurations while utilizing environmentally friendly materials. The activation mechanism allows on-demand power generation, overcoming shelf-life issues of pre-mixed biodegradable batteries. The modular base facilitates easy replacement of depleted pods and supports series or parallel connections for voltage or current amplification. This system offers a sustainable alternative to traditional batteries, reducing electronic waste and environmental impact.
Resumen de: WO2026010456A1
Presented are an anode for an electrochemical device and an electrochemical device comprising same, the anode comprising: a current collector; and an anode active material layer located on the current collector, wherein: the anode active material layer includes powder including a silicon-based active material, a linear conductive material, and a binder for powder; the degree of dispersion of the powder in the anode active material layer is 1 x 10-2 to 10 x 10-2; the standard deviation of the degree of dispersion of the powder is 1 x 10-3 to 3 x 10-3; and the volume expansion rate of the anode active material layer is 3 to 30%.
Resumen de: WO2026010475A1
The present invention relates to a positive electrode active material having high energy density and excellent thermal stability, a method for manufacturing same, and a secondary battery including same and having excellent discharge capacity and retention rate thereof. Specifically, the present invention relates to: a positive electrode active material having excellent energy density, wherein the occurrence of cracks in particles during charge-discharge cycles is suppressed such that the capacity retention rate of the secondary battery is excellent and the thermal stability of the positive electrode active material is excellent, thereby enabling manufacture at high temperature; and a method for manufacturing the positive electrode active material having the above effects.
Resumen de: WO2026010439A1
The present invention provides a battery pack characterized by comprising: a battery housing having a side wall member, a bottom member connected to one end of the side wall member in the axial direction, and an open portion provided at the other end of the side wall member in the axial direction; an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound around a winding axis, and which is accommodated in the battery housing such that a tab of the second electrode faces the open portion; and a lid seated on the outer surface of the other end of the side wall member in the axial direction so as to cover the open portion of the battery housing, wherein a coupling portion is formed such that the edge of the inner surface of the lid and the edge of the other end of the side wall member in the axial direction are bonded to each other, and the coupling portion is recessed inward in the radial direction.
Resumen de: WO2026007809A1
A battery module and an electric device, relating to the technical field of energy storage. The battery module comprises: a battery pack and a first end plate, wherein the battery pack comprises a plurality of battery cells arranged in a first direction; when the battery module comprises a plurality of battery packs, the plurality of battery packs are arranged in a second direction, the second direction intersecting the first direction; and the first end plate is located at one end of the battery pack in the first direction, the first end plate being provided with fastening zones of the same number as the battery packs; when the battery module comprises a plurality of battery packs, a plurality of fastening zones are arranged corresponding to the plurality of battery packs on a one-to-one basis. A first reinforcing rib structure is provided on each fastening zone, the first reinforcing rib structure being in the shape of a mesh, and the distribution density of the first reinforcing rib structure decreasing from the central area towards the edge areas of said fastening zone. In the battery module provided in the present disclosure, the structural strength of the end plate is improved.
Resumen de: WO2026007795A1
An end cover assembly, an energy storage apparatus, and an electricity-consumption device are provided in the present disclosure. The end cover assembly includes an end cover, a lower plastic member, a terminal post, and a current-collector disk. The lower plastic member includes a lower-plastic-member body and a limiting protrusion portion. The limiting protrusion portion is implemented as two limiting protrusion portions that both protrude from the second surface. Each of the two limiting protrusion portions has a first sidewall surface, a second sidewall surface, and an end surface. The first sidewall surface is inclined. The second sidewall surface is inclined. The end surface is connected between the first sidewall surface and the second sidewall surface. Each of the two limiting protrusion portions defines a flow guiding groove. The current-collector disk includes a connecting portion and a disk body. In the thickness of the end cover assembly, the disk body is positioned at one side of the two limiting protrusion portions positioned facing away from the lower-plastic-member body. An orthographic projection of the disk body on the second surface is positioned within the lower-plastic-member body. An orthographic projection of the end surface of each of the two limiting protrusion portions on the second surface is positioned within the orthographic projection of the disk body on the second surface. In the present disclosure, the utilization rate of the electrolyte can be
Resumen de: WO2026007803A1
The present application provides a bipolar current collector, an electrochemical device, and an electronic device. The bipolar current collector comprises a copper layer, an aluminum layer, and a polymer layer. The polymer layer is located between the copper layer and the aluminum layer. The thickness of the copper layer is T1 μm, the thickness of the aluminum layer is T2 μm, the porosity of the copper layer is A1, and the porosity of the aluminum layer is A2, wherein T2(1-A2)>T1(1-A1). In the present application, T1, T2, A1 and A2 of the bipolar current collector are regulated to meet the described relationship, and structural optimization is performed for different features of the copper layer and the aluminum layer, thereby improving the energy density, power density and cycle performance of the electrochemical device.
Resumen de: WO2026010362A1
A battery according to the present invention comprises: a cell housing; an electrode assembly which is disposed in the cell housing, and which includes a first electrode having a first polarity, a second electrode having a polarity opposite to the first polarity, and a separator interposed between the first electrode and the second electrode; and a current-collecting plate disposed in the cell housing and electrically connected to the cell housing and the second electrode, wherein the current-collecting plate includes: an electrode coupling part electrically connected to the second electrode; a peripheral part electrically connected to the cell housing; and at least one bridge extending between the electrode coupling part and the peripheral part and connecting same, the at least one bridge including an adjustment part deformed in response to an applied force.
Resumen de: WO2026010240A1
The technical concept of the present invention is to provide a battery device comprising a cooling frame and a cell assembly disposed on the cooling frame, the cell assembly comprising: a plurality of battery cells; a heat transfer structure comprising a first heat transfer plate connected to electrode leads of the plurality of battery cells, and a second heat transfer plate connected to the cooling frame; and an outer cover connected to the first heat transfer plate, wherein, at the interface between the first heat transfer plate and the outer cover, the outer cover is in continuous contact with the outer surface of the first heat transfer plate.
Resumen de: WO2026010221A1
According to exemplary embodiments, a battery cell is provided. The battery cell comprises: an electrode comprising a cathode, an anode, and a separator; a cell case comprising an accommodation part in which the electrode is accommodated and a terrace surrounding the accommodation part; and a bit generator coupled to the cell case, wherein the bit generator is configured to apply an acoustic beat to the inside of the cell case.
Resumen de: WO2026010217A1
The present invention relates to a battery box. According to one aspect of the present invention, the battery box may comprise: a battery cell including an electrode assembly extending in one direction, an exterior film for accommodating the electrode assembly, and a cap coupled to the exterior film and shielding one side of the electrode assembly in a longitudinal direction; and a frame supporting the battery cell and having an opening, wherein the exterior film includes: an accommodation unit surrounding the electrode assembly; and a venting unit provided on one side of the accommodation unit, and the venting unit is disposed to face the opening.
Resumen de: WO2026010394A1
The present invention relates to a method for recovering lithium and, more specifically, to a method for recovering lithium, the method comprising the steps of: (a) dissolving cathode material powder including a cathode active material having an olivine structure in an acidic solution to prepare a solution; (b) adding the solution with an aqueous hydrogen peroxide (H2O2) solution to obtain a first leachate and a first leach residue, followed by separating same; (c) adding a calcium compound to the separated first leachate to obtain a second leachate and a second leachate residue, followed by separating same; (d) diluting the separated second leachate with water; (e) injecting carbon dioxide to the diluted second leachate to obtain a third leachate and a third leachate residue, followed by separating same; and (f) concentrating the separated third leachate. According to the present invention, there is an effect of providing a method for recovering lithium, in which cathode active material powder including a cathode active material having an olivine structure is dissolved in an acidic solution and an aqueous hydrogen peroxide solution is added thereto to obtain a leachate to which a calcium compound is then added to precipitate and remove impurities such as Fe, P, etc., followed by adding carbon dioxide to precipitate and remove residual calcium components, thereby increasing the purity and recovery rate of lithium.
Resumen de: WO2026010189A1
Provided are a battery cell assembly process simulation system and operating method thereof capable of efficiently educating a new worker about actual process equipment without affecting the operation of the actual process equipment. The system comprises: a server in which basic information and education information about educational equipment, which is training target equipment in battery cell processes, are stored and a work history of a worker participating in training is stored; a terminal providing the educational information to the worker participating in the training; an input interface provided in the terminal so that information about the worker participating in the training is input; and an education content selection logic for extracting the work history of the worker corresponding to the input information about the worker and constructing, on the basis of the extracted work history, a training scenario to be provided to the terminal.
Resumen de: WO2026010347A1
A cooling device according to some embodiments of the present invention comprises: a heat sink including a plurality of cooling channels and a plurality of hollows; and a manifold coupled to the heat sink. The manifold includes a plurality of sub-flow paths positioned on a side close to the heat sink so as to correspond to the plurality of cooling channels, and a plurality of main flow paths on a side far from the heat sink. The plurality of sub-flow paths may branch from the plurality of main flow paths. Some embodiments of the present invention can quickly cool a battery. Accordingly, the stability of the battery can be improved, and the battery can be quickly charged.
Resumen de: WO2026010343A1
The present invention relates to a separator for an electrochemical device, an electrochemical device comprising same, and a manufacturing method thereof, and specifically relates to: a separator for an electrochemical device, the separator having improved adhesion and reducing resistance due to the coverage of an adhesive layer on a coating layer being adjusted so as to be uniform; an electrochemical device comprising the separator; and a manufacturing method thereof.
Resumen de: WO2026010407A1
The present invention relates to a battery separator and a battery. A battery separator and a battery of the present invention comprise: a base layer; an outer layer positioned on one surface or both surfaces of the base layer and comprising a first binder, which is a fluorine-based binder, and a second binder, which is a vinyl-based binder; and an inner layer positioned between the base layer and an organic layer and comprising inorganic particles, wherein the ratio (P1:P2) of the content (P1) of the first binder of the separator to the content (P2) of the second binder of the separator can be adjusted.
Resumen de: WO2026010150A1
An electronic device according to one embodiment of the present disclosure may comprise: a first battery; a second battery connected in parallel with the first battery; a first power conversion circuit including a switching converter and a first switching element, which is arranged between a first output node connected to an output terminal of the switching converter and the first battery; a second power conversion circuit; a first flexible circuit board arranged between the first output node and a second battery node connected to the second battery; a first current limiting circuit arranged between the first flexible circuit board and the second battery node; and a processor, wherein, in response to a first trigger, the first switching element is controlled such that a first battery current flowing from the first output node to a first battery node connected to the first battery is lowered and, in response to a second trigger, the first current limiting circuit is controlled such that a second battery current flowing from the first output node to the second battery node is lowered.
Resumen de: WO2026010340A1
A battery according to the present invention comprises: an electrode assembly provided by winding a first electrode and a second electrode with a separator interposed therebetween, around the central axis of a winding central hole; a cell housing accommodating the electrode assembly and having an opening at one side thereof; and a current collecting plate electrically coupled to each of the electrode assembly and the cell housing, and having a circumferential portion at an edge thereof, wherein the circumferential portion includes: at least one contact circumferential portion in contact with the cell housing; and at least one variable circumferential portion configured to be deformable.
Resumen de: WO2026010329A1
A battery according to the present invention comprises: an electrode assembly provided while being wound around a central axis of a winding central hole in a state in which a separator interposed between a first electrode and a second electrode is interposed; a cell housing accommodating the electrode assembly and having an opening at one side thereof; and a current collecting plate electrically coupled to each of the electrode assembly and the cell housing, and having a circumferential portion at an edge thereof, wherein the circumferential portion has a rigidity reinforcing portion configured to reinforce rigidity of the circumferential portion.
Resumen de: WO2026010305A1
Provided is a secondary battery comprising: a first group of unit electrodes and a second group of unit electrodes, which are stacked in a first direction; first electrode tabs extending from one end of the first group of unit electrodes and laminated with one another; second electrode tabs extending from one end of the second group of unit electrodes and laminated with one another; and an electrode lead electrically connected to the first electrode tabs and the second electrode tabs. The first electrode tabs include: a first merge part; a first tab ending part extending substantially parallel to the extension direction of the first group of unit electrodes; and a first connection part connecting the first merge part and the first tab ending part, wherein the first merge part and the first connection part are connected in a V-shape.
Nº publicación: WO2026010294A1 08/01/2026
Solicitante:
POSCO FUTURE M CO LTD [KR]
(\uC8FC)\uD3EC\uC2A4\uCF54\uD4E8\uCC98\uC5E0
Resumen de: WO2026010294A1
A cathode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery comprising same are disclosed. The cathode active material for a lithium secondary battery, according to the present invention, comprises: a core including a lithium transition metal oxide that does not include cobalt; and an oxide coating layer positioned on the surface of the core, wherein the oxide coating layer is an oxide including lithium (Li) and at least one element from among titanium (Ti), cobalt (Co), tungsten (W), zirconium (Zr), aluminum (Al) and silicon (Si).
BOPI
Sede Electrónica
