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1235
resultados
Última actualización
11/02/2026 [07:44:00]
Resultados 1100 a 1125 de 1235
Resumen de: EP4685922A1
This application discloses an energy storage system including an energy storage apparatus (100) and a cooling apparatus (200), where the energy storage apparatus (100) includes an energy storage module (110) and a power module (120), the cooling apparatus (200) includes a first heat exchange mechanism (210), and the energy storage module (110) and the power module (120) are in thermally-conductive connection with the first heat exchange mechanism (210).
Resumen de: AU2023437683A1
A battery energy storage system includes a plurality of battery cores. Each battery core of the battery energy storage system includes an array of battery cubes, and each battery core is configured to provide a first direct current power at a first voltage. The battery energy storage system further includes a plurality of direct-current-to-direct- current (DC-DC) converters. Each DC-DC converter of the battery energy storage system is configured to accept the first direct current power and each DC-DC converter is configured to provide a second direct current power at a second voltage. The battery energy storage system further includes a main modular multilevel converter (MMC). The MMC of the battery energy storage system is configured to accept the second direct current and to provide an alternating current at a third voltage.
Resumen de: EP4685868A1
Disclosed are a positive electrode active material for a rechargeable lithium battery including particles containing a lithium transition metal composite oxide, and a coating layer located on the surface of the particles and containing ZrO<sub>2</sub> and Li<sub>6</sub>Zr<sub>2</sub>O<sub>7</sub>, a preparation method thereof, and a positive electrode, rechargeable lithium battery, and an all-solid-state rechargeable battery.
Resumen de: GB2642940A
Disclosed are a chemical coolant for an aerosol fire extinguishing agent and a preparation method. The chemical coolant is prepared by means of selecting an inorganic salt of K/Na/Mg/Ca/Sr that can undergo a decomposition reaction and combining same with an organic flame retardant and a binder. By using a metal inorganic salt, a decomposition reaction occurs at a high temperature to generate active metal substances such as K/Na/Mg/Ca/Sr oxide, and the fire extinguishing capacity is enhanced while combustion heat is absorbed. The organic flame retardant also undergoes a vaporization or decomposition reaction at a high temperature to generate a non-combustible gas such as NH3, N2, CO2, and water vapor, the aerosol content is increased while flame extinction and cooling are achieved, and the fire extinguishing capacity is enhanced. Furthermore, the organic flame retardant also has certain binding characteristics. An auxiliary binder is used for binding the chemical coolant to increase the stability, thereby preventing the metal inorganic salt in the chemical coolant from experiencing pulverization during storage, transportation, and use.
Resumen de: EP4685976A2
A solid electrolyte sheet capable of increasing rigidity near an end surface of the solid electrolyte sheet, and a solid electrolyte secondary battery used with the solid electrolyte sheet are provided. A solid electrolyte sheet comprises a plate-shaped base containing a solid electrolyte, a plate-shaped reinforcing portion formed integrally with the outside of the base, wherein the reinforcing portion is a composite member formed by combining two electrically insulating members made of different materials that are formed separately from the base, and which has greater rigidity than the base. Since rigidity near the periphery of the solid electrolyte sheet can be increased, a risk of damage near the periphery of the solid electrolyte sheet can be reduced.
Resumen de: EP4686030A2
A power control device according to an embodiment of the present invention, which is a device for controlling charge/discharge power in an energy storage system including a plurality of battery racks, may comprise: a first DC/DC converter which is selectively connected to one of the plurality of battery racks to perform power conversion; a second DC/DC converter which is connected to the first DC/DC converter; and a controller which, while switching between the battery racks is performed by the first DC/DC converter, controls the second DC/DC converter to perform an operation for maintaining the output of the first DC/DC converter.
Resumen de: EP4685934A1
A battery pack (10; 110; 210; 310; 350; 410) includes: a plurality of battery cells (12); and a thermal conductive layer (30; 120; 220, 222; 320; 360) disposed between two battery cells (12) of the plurality of battery cells, and configured to transfer heat from each of the two battery cells. The thermal conductive layer includes expanded graphite (EG) impregnated with a phase change material (PCM). The PCM may include an organic and/or inorganic PCM material. A thin thermal insulation barrier (222), such as aerogel, may be sandwiched between two anisotropic EG/PCM composites for regulating temperature and to prevent thermal runaway.
Resumen de: EP4685907A1
An electrolyte, a secondary battery and an electrical apparatus. The components of the electrolyte comprise a functional compound represented by formula (1). In formula (1), T<sub>1</sub>-T<sub>3</sub> are each independently selected from any one of an alkyl group having 1-10 carbon atoms, an alkenyl group having 2-10 carbon atoms, an alkynyl group having 2-10 carbon atoms, and groups represented by following formulae (a)-(f). Among T<sub>1</sub>-T<sub>3</sub>, at least one is selected from the group represented by formula (a), and at least one is selected from the group represented by formula (b), (c), (d) or (e). In a charging/discharging process of the electrolyte, the functional compound represented by formula (1) can capture an oxidation product and improve the toughness of a formed SEI film, thereby improving the cycle performance of a secondary battery.
Resumen de: EP4685965A1
A battery pack according to an embodiment of the present disclosure includes a plurality of battery cells; a pack case accommodating the plurality of battery cells, and having a venting portion configured to vent gas produced from the battery cell to outside; and a cover member attached to the pack case and configured to open and close the venting portion.
Resumen de: EP4684893A1
The present disclosure belongs to the field of lithium metal product production technology, and particularly relates to a device and method for preparing lithium metal products, which enables continuous production of lithium products, wherein an extrusion barrel is vertically disposed, with openings upward, an extrusion mechanism has a vertically disposed push rod, which protrudes into an inner cavity of the extrusion barrel through an opening on an upper end of the extrusion barrel, and a lower end of the push rod is connected with a pressing plate adapted to the inner cavity of the extrusion barrel; a base plate of the extrusion barrel is provided with an openable/closable lithium product outlet; a first lithium conveying pipe is arranged at a feed port of a lithium storage tank, and a discharge port of the lithium storage tank communicates with the feed port of the extrusion barrel through a second lithium conveying pipe; and an initial position of the pressing plate is located above the feed port of the extrusion barrel, and a first gate valve is arranged on the second lithium conveying pipe. The lithium metal can be effectively prevented from being oxidized or nitrided by reducing an ingot casting process thereof, thereby enabling resource conservation. This facilitates removal of the lithium metal adhering to an inner wall of the extrusion barrel, thereby enabling convenient operation and labor savings as well as enhancing production efficiency.
Resumen de: EP4685938A1
This power storage device exterior material is constituted from a laminate comprising at least a base material layer, a barrier layer, and a thermally fusible resin layer in this order from the outside. In the following tensile test in a 120°C environment, the strength of the power storage device exterior material when stretched by 20% in the MD direction is 35 N/15 mm or more. Tensile Test Measurement is performed using a tensile testing machine by a method compliant with the specification of JIS K 7127:1999. The measurement conditions used are: a rectangular shape having a sample width of 15 mm; an inter-mark distance of 30 mm; a tensile speed of 0.5 mm/min; a test environment of 120°C; and an average value obtained by performing measurement three times.
Resumen de: EP4685941A1
Provided is an exterior material for a power storage device, the exterior material being formed from a laminate comprising at least a base material layer, a barrier layer, and a thermally-fusible resin layer in this order from the outside, and the exterior material having a tensile strength at break of 180 MPa or greater as measured by the method below, and having a creep resistance characteristic of 10 minutes or more as measured by the method below. <Measurement of tensile strength at break> Each tensile strength at break in the machine direction (MD) of the exterior material for the power storage device is measured by a method compliant with the provisions of JIS K7127:1999 by using a tensile tester. The measurement conditions are such that a dumbbell 7 shape is used for a sample shape, the distance between target lines is 10 mm, the tensile speed is 0.5 mm/min, the test environment is set to a temperature of 120°C, and the average value from three measurements is used. <Measurement of creep resistance characteristic> The exterior material for a power storage device is cut out so as to have a width of 60 mm in the transverse direction (TD) and a length of 150 mm in the MD direction and is then folded in half such that the thermally-fusible resin layer is positioned at the inside. The folded exterior material is then heat sealed using a 7 mm heat seal bar at a position 10 mm from the fold such that the thickness of the thermally-fusible resin layer is in a rang
Resumen de: EP4685876A1
This composite includes: activated carbon that has a specific surface area of 1400 m<sup>2</sup>/g or greater and satisfies one or both of the following conditions (A) and (B); and at least one of elemental sulfur and a discharge product of elemental sulfur. (A) The peak width of the D band in the Raman spectrum of the activated carbon is 100 cm<sup>-1</sup> or less. (B) The peak width of the G band in the Raman spectrum of the activated carbon is 70 cm<sup>-1</sup> or less.
Resumen de: EP4685884A1
A lithium primary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode contains manganese dioxide. The negative electrode includes a first lithium layer and an aluminum layer laminated with the first lithium layer. The first lithium layer is an alloy layer containing lithium and magnesium. The content of the lithium in the alloy layer is 89% by mass or more and 99.98% by mass or less. The content of the magnesium in the alloy layer is 0.02% by mass or more and 1.5% by mass or less.
Resumen de: EP4684993A2
Provided are a battery pack with increased space efficiency of an installation site and a vehicle including the battery pack. The battery pack includes at least one battery module; and a cooling unit having a refrigerant passage configured to allow a refrigerant to flow therein, having a plate shape such that the at least one battery module is mounted thereon, and including at least one of a convex part in which a part on which the battery module is not mounted is convex in an upper direction, and a concave part in which another part on which the battery module is not mounted is concave in a lower direction.
Resumen de: EP4685892A2
An externally worn cardiac monitoring and/or treatment system with battery detachment detection is provided. The system includes detachment circuitry and audible and/or vibrational alarm circuitry operably coupled to the detachment circuitry. The detachment circuitry is configured to detect whether the rechargeable battery is detached from the battery-powered externally worn cardiac device by monitoring a connection established between the rechargeable battery and the at least one processor and output a battery status signal indicating whether the rechargeable battery is detached from the battery-powered externally worn cardiac device. The audible and/or vibrational alarm circuitry is configured to receive the battery status signal and output an audible alert in a predetermined frequency range and/or a tactile alert if the rechargeable battery is detached.
Resumen de: EP4685985A1
A secondary battery according to some embodiments may include an electrode assembly including an electrode tab bundle on one side; an electrode lead welded to the electrode tab bundle at a welding part; and an adhesive layer positioned between the electrode tab bundle and the electrode lead and positioned under a front edge of the electrode lead. The secondary battery according to some embodiments can prevent degradation of secondary battery performance by preventing the electrode tab bundle from being torn.
Resumen de: EP4685874A1
A cathode for a lithium secondary battery and a lithium secondary battery including the same are provided. The cathode for a lithium secondary battery includes a cathode current collector, a first cathode mixture layer disposed on at least one surface of the cathode current collector, and including a first cathode active material being a lithium transition metal oxide particle having a single-crystal structure, and a second cathode mixture layer disposed on the first cathode mixture layer, and including a second cathode active material being a lithium transition metal oxide particle having a secondary particle structure.
Resumen de: EP4685913A1
A secondary battery includes an electrode assembly including an alternately stacked plurality of laminates, the electrode assembly including a first electrode plate, a separator, and a second electrode plate, and an electrode tab group, the electrode tab group including a plurality of electrode tabs of at least one of the first electrode plate or the second electrode plate, a can that accommodates the electrode assembly and has one open end, a cap plate that is coupled to the one open end of the can and has a through-hole therein through which the electrode tab group passes, and a fixture configured to fix the electrode tab group passing through the through-hole to the cap plate.
Resumen de: EP4685930A1
The present invention provides a structure of a battery pack including: a battery module having a protruding flange with a first fastening surface; a partition having a second fastening surface facing the first fastening surface and fastened to the flange; and a heat sink fin provided between the first fastening surface and the second fastening surface and having a plurality of ridges and a plurality of valleys protruding and recessed in the fastening direction. The heat sink fin may be provided on the first fastening surface or the second fastening surface, or on a heat sink plate provided between the first fastening surface and the second fastening surface.
Resumen de: EP4685932A1
The present invention provides A battery module including: a cell laminate wherein a plurality of pouch-type battery cells are laminated in widthwise direction; a frame accommodating the cell laminate with an open upper end; and a top plate covering the upper end of the frame, wherein an upper surface of the cell laminate is coated with a resin layer having an upper surface in contact with the top plate. The resin layer may extend in horizontal direction, and the resin layer may divide, in horizontal direction, a space between the cell laminate and the top plate into a plurality of spaces.
Resumen de: EP4685507A1
An apparatus for estimating a SOH according to one aspect of the present disclosure may include a profile obtaining unit configured to obtain an OCV profile for a plurality of OCVs of a battery measured at different time points; a profile correcting unit configured to generate an adjusted positive electrode profile and an adjusted negative electrode profile by adjusting a preset criterion positive electrode profile and a preset criterion negative electrode profile to correspond to the OCV profile; and a control unit configured to extract a diagnosis factor for the battery from the adjusted positive electrode profile or the adjusted negative electrode profile, and estimate a capacity SOH of the battery based on the extracted diagnosis factor.
Resumen de: EP4686347A1
A solar cell structure includes: a solar cell; an adhesive portion including a plurality of fixing adhesive points provided on a surface of the solar cell at intervals in a first direction; and a conductive component, a surface of the conductive component facing the solar cell being provided with a plurality of first contact regions and a plurality of second contact regions arranged alternately in the first direction; the conductive component is fixed to the plurality of fixing adhesive points through the plurality of first contact regions, the plurality of fixing adhesive points electrically isolate the solar cell from the conductive component in the plurality of first contact regions, the conductive component is electrically in contact with a region on the solar cell other than the plurality of fixing adhesive points through the plurality of second contact regions, to form discontinuous contact between the conductive component and the solar cell.
Resumen de: EP4685820A1
According to one embodiment, there is provided a method for producing a Sn-containing sulfide solid electrolyte, the method comprising: preparing a raw material mixture containing a Li element, a Sn element, a P element and a S element; and subjecting the raw material mixture to a mechanical milling treatment to obtain a Sn-containing sulfide solid electrolyte, wherein a heat treatment is not carried out after the mechanical milling treatment.
Nº publicación: EP4685833A1 28/01/2026
Solicitante:
JUJO PAPER CO LTD [JP]
Nippon Paper Industries Co., Ltd
Resumen de: EP4685833A1
Provided is an electrolyte for a power storage device such as a capacitor or a secondary battery, the electrolyte containing, as a charge carrier, a substance having a low environmental load and high safety. The electrolyte for a power storage device uses an ion-modified cellulose as a charge carrier. The ion-modified cellulose is preferably anion-modified cellulose, and may be anion-modified cellulose nanofibers.
BOPI
Sede Electrónica
