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1363
resultados
Última actualización
13/09/2025 [07:35:00]
Resultados 1075 a 1100 de 1363
Resumen de: WO2025179796A1
A battery (100) and an electrical apparatus. The battery (100) comprises a bare cell (1), a housing (2) and a top cover (3), wherein the housing (2) is formed with an accommodating cavity (2a), the accommodating cavity (2a) penetrates through one side surface of the housing (2) along a first direction to form a mounting port (2b), the bare cell (1) is arranged in the accommodating cavity (2a), a housing wall of the housing (2) is formed with a heated softening area (2c) and a body area (2d), the hardness of the heated softening area (2c) is lower than the hardness of the body area (2d), the bare cell (1) and the heated softening area (2c) are arranged at an interval along the first direction, and the top cover (3) covers the mounting port (2b).
Resumen de: WO2025179991A1
Disclosed in the present application are a handling apparatus and a working method therefor. The handling apparatus is configured to handle nickel sheets, and comprises a translation mechanism, a pick-up mechanism, a sensing device and a removal device, wherein the pick-up mechanism is mounted on the translation mechanism, and the pick-up mechanism can perform translational motion at least in a first direction under the action of a driving force of the translation mechanism; the pick-up mechanism comprises adsorption devices, which are configured to adsorb the nickel sheets, and when the nickel sheets are adsorbed onto the adsorption devices, the first direction corresponds to the direction of the thickness of the nickel sheets; the sensing device is connected to the pick-up mechanism, and the sensing device is configured to measure the total thickness of all the nickel sheets adsorbed by the adsorption devices and provide a feedback signal; and when the feedback signal indicates that at least two nickel sheets are adsorbed by the adsorption devices, with the first nickel sheet being directly connected to the adsorption devices and the remaining nickel sheets being stacked on the side of the first nickel sheet away from the adsorption devices, the removal device is configured to remove the remaining nickel sheets.
Resumen de: WO2025179717A1
The present application relates to a charging and discharging power allocation method, apparatus and device for an energy storage device, and a storage medium. The method comprises: obtaining the total charging and discharging power allocated to battery clusters in an energy storage device; and allocating the total charging and discharging power with the objectives of optimizing the charging and discharging efficiency of the battery clusters of the energy storage device and balancing the cycle counts of the battery clusters, to obtain sub charging and discharging power allocated to the battery clusters. The method further comprises: on the basis of the sub charging and discharging power allocated to the battery clusters, controlling the battery clusters to charge or discharge. Thus, in the embodiments of the present application, when the battery clusters charge and discharge on the basis of the allocated sub charging and discharging power, the charging and discharging efficiency of the battery clusters can be optimized and the cycle counts of the battery clusters can be balanced, helping to prolong the operational life of the energy storage system while achieving the overall efficiency-optimized operation of the energy storage system.
Resumen de: WO2025182281A1
The present invention provides a negative electrode, for a lithium secondary battery, in which a negative electrode active material layer is formed on a current collector, wherein a negative electrode active material includes a phosphorus-carbon composite negative electrode material containing phosphorus atoms and carbon atoms, and the negative electrode active material layer has an area ratio of 0.05-12% of black portions with respect to the entirety of a binary image acquired through the following method. Binary image acquisition method A surface of the negative electrode active material layer is imaged by a scanning electron microscope at an imaging magnification of 40 times to obtain a negative electrode surface image. The negative electrode surface image is subjected to adaptive binarization processing to acquire a binary image.
Resumen de: WO2025182300A1
This non-aqueous electrolytic solution for a lithium ion secondary battery comprises a compound represented by formula (1), a cyclic sulfonic acid ester, a compound represented by formula (2), and a non-aqueous solvent. (1): LiN(R1SO2)(R2SO2) In formula (1), R1 and R2 each independently represent a fluorine atom or an alkyl group which has 1-6 carbon atoms and which may be substituted with a fluorine atom. (2): FSO2NHR3 In formula (2), R3 represents a hydrogen atom or a hydrocarbon group which has 1-18 carbon atoms and which may be substituted.
Resumen de: WO2025182260A1
The present invention addresses the problem of providing a battery in which a polymer electrolyte can be used regardless of the potential window. The present invention provides a battery which comprises: a positive electrode; a negative electrode; a first electrolyte layer that is positioned between the positive electrode and the negative electrode; and a second electrolyte layer that is positioned between the first electrolyte layer and the positive electrode and/or between the first electrolyte layer and the negative electrode. The first electrolyte layer contains a polymer electrolyte. The polymer electrolyte contains at least a polymer and an alkali metal salt. The alkali metal salt is contained in an amount of 5 parts by mass to 200 parts by mass inclusive relative to 100 parts by mass of the polymer. The second electrolyte layer contains a porous base material and a nonaqueous electrolyte solution.
Resumen de: WO2025182016A1
In a control performed on a high-temperature-operation-type storage battery that is capable of charging and discharging, the temperature of a storage battery is maintained at a prescribed maintenance temperature higher than the lower-limit value of an operation temperature range for the storage battery by heating the storage battery using a heater attached to a storage battery in a standby state in which discharge from the storage battery is not performed, a first discharge start preparation time that is a timing at which heating performed by the heater is stopped and a second discharge start preparation time that is a timing at which a heat radiation means is operated are set so that the temperature of the storage battery reaches the lower-limit value of the operation temperature range at a timing when a scheduled discharge start time arrives, heating performed by the heater is stopped at the timing when the first discharge start preparation time arrives, and the heat radiation means is operated at the timing when the second discharge start preparation time arrives.
Resumen de: WO2025183485A1
A battery pack according to various embodiments comprises: a cell assembly including a plurality of battery cells; and a battery pack case that accommodates the cell assembly, wherein the battery pack case includes: a lower frame; and a plurality of side frames extending from the lower frame in a substantially vertical direction, and the plurality of side frames may be configured as a combination of: a first side frame including a first flange and a second flange respectively protruding from the upper portion and the lower portion thereof toward the outside of the battery pack case; and a second side frame having one corner at least partially in contact with the first side frame and including a third flange protruding from the upper portion thereof toward the outside of the battery pack case. Other embodiments are possible.
Resumen de: WO2025183488A1
The present disclosure relates to an electrode for a secondary battery and a secondary battery comprising same. The electrode for a secondary battery according to one embodiment comprises: a coated portion where an electrode active material layer is positioned on a current collector and an uncoated portion where the electrode active material layer is not positioned on the current collector; and an insulating coating layer disposed on at least a portion of the uncoated portion and including an electrode insulating polymer, wherein the thermal expansion coefficient of the electrode insulating polymer may be 66 μm/m°C to 127 μm/m°C.
Resumen de: WO2025183499A1
The present invention provides an electrode sheet rolling apparatus (10) comprising a cylindrical first pressing roller (100) and a cylindrical second pressing roller (200) which: are arranged so as to face each other, with an electrode sheet (50) transferred therebetween in the lengthwise direction; come into contact with the electrode sheet (50) passing therebetween; and rotate about a first rotation axis (A1) and a second rotation axis (A2), respectively, the rotation axes extending in the widthwise direction. The second pressing roller (200) can contact the electrode sheet (50) along the circumference thereof in a first angle section (G1) centered around the second rotation axis (A2). The first angle section (G1) may include a first sub-section (U1) and a second sub-section (U2), the first sub-section (U1) being of at least the minimum angle of the first angle section (G1) and at most a first angle (L1) at which the first rotation axis (A1) is located relative to the second rotation axis (A2), and the second sub-section (U2) being of at least the first angle (L1) and at most the maximum angle of the first angle section (G1). The electrode sheet (50) may be apart from the first pressing roller (100) in at least a part of the first sub-section (U1) and at least a part of the second sub-section (U2).
Resumen de: WO2025183518A1
The present invention relates to a method for regenerating a cathode active material, and a regenerated cathode active material prepared thereby. The method comprises the steps of: a) heat-treating, at 300-650 °C, a waste cathode, which has a cathode active material layer formed on a current collector, so as to thermally decompose a binder and a conductive material in the cathode active material layer, thereby separating the current collector from the cathode active material layer and recovering a cathode active material in the cathode active material layer; b) heat-treating the recovered cathode active material again at 350-700 °C for 1-10 hours; c) adding a lithium precursor to the reheated cathode active material and annealing same at 500-1,000 °C; d) washing the annealed cathode active material with a washing solution; and e) surface-coating the washed cathode active material with a coating agent.
Resumen de: WO2025179997A1
The present disclosure relates to a fluoride-free binder material for a positive electrode, and a preparation method therefor and the use thereof. Provided are a fluoride-free binder material for a positive electrode and a preparation method therefor. A copolymer of acrylonitrile and an acrylate is used as a main body structure, an ionic monomer is introduced, and a polyfunctional olefin monomer is introduced during polymerization to increase the branching degree of a polymer, thereby preparing a highly-branched acrylonitrile polymer modified via copolymerization, which polymer is used as a fluorine-free binder material for a positive electrode. The modified binder can provide more sites for contact between active materials and between a current collector and the active materials so as to further enhance the bonding ability, thereby increasing the overall cohesive force and improving the adhesion to the current collector; and the binder can effectively inhibit the fracture and delamination of an electrode sheet during processing, ensures the compactness of a positive electrode material even in the case of a low use amount, and retains structural integrity and cycling stability during cycling.
Resumen de: WO2025179805A1
Provided in the present application are a battery and an electrical device. The battery comprises a battery module and a heat exchange assembly, wherein the battery module comprises a plurality of battery cells; and the heat exchange assembly comprises a first current collector, a second current collector and a plurality of heat exchange tubes, the first current collector and the second current collector being located on two sides of the plurality of battery cells in a first direction, and the plurality of heat exchange tubes being connected between the first current collector and the second current collector, at least two heat exchange tubes being arranged on the outer periphery of each battery cell, a recess being provided on the outer side of the heat exchange tube, and the recess accommodating a portion of the battery cell.
Resumen de: WO2025179721A1
Disclosed are a cell winding apparatus and method. The cell winding apparatus comprises an unwinding mechanism, a winding needle assembly, and an electrode sheet cutting-off device. The unwinding mechanism is configured to be capable of unwinding a first electrode sheet, a second electrode sheet, and a separator. The winding needle assembly is configured to be capable of overlapping the first electrode sheet, the second electrode sheet and the separator which are unwound by the unwinding mechanism and winding same into a wound structure, and at least one layer of separator is sandwiched between a first electrode sheet and a second electrode sheet adjacent to each other. The electrode sheet cutting-off device comprises a cutter and an adjusting mechanism; the adjusting mechanism and the cutter edge side of the cutter are provided with a path for the first electrode sheet to pass through; the adjusting mechanism is configured to enable a demarcated region to be cut off of the first electrode sheet to be opposite to the cutter edge of the cutter; and the cutter is configured to be capable of cutting off the first electrode sheet at said demarcated region. The adjusting mechanism of the cell winding apparatus can adjust a demarcated region to be cut off to be opposite to the cutter edge of the cutter, and the cutter can accurately cut off a first electrode sheet, thereby improving the consistency of bare cells, and improving the use performance of batteries.
Resumen de: WO2025181935A1
Provided is a watertight electrical discharge container capable of maintaining safety when the temperature of a built-in battery rises abnormally. A watertight electrical discharge container 10 has a battery 12 built in and comprises a pipe 14, a solenoid valve 16, a detection device 18, and an emergency energy discharge system 20. The pipe 14 supplies water to the interior of a container housing 22. The solenoid valve 16 opens and closes a water supply passage 16a. The detection device 18 detects and measures the voltage, the current, and the temperature of the battery 12 inside the container housing 22, and detects and measures smoke inside the container housing 22. When the detection device 18 detects an abnormal voltage, an abnormal current, or an abnormal temperature, or detects smoke inside the container housing 22, the emergency energy discharge system 20 closes an electric switch 12b to electrically discharge battery energy to an electrical discharge resistor 12a, and opens the solenoid valve 16 for opening and closing the water supply passage 16a to issue a command to introduce water into the container housing 22.
Resumen de: WO2025181602A1
An electrolyte for electrochemical devices with an alkali-metal anode having an anode-active material comprising an alkali metal is disclosed in which the electrolyte includes at least one sulfonyl solvent and a co-salt system. The co-salt system includes a lithium cation primary salt at a relatively high concentration and a secondary salt at a relatively low concentration. The secondary salt and its concentration are selected to increase the solubility of the primary salt. The concentration of the secondary salt may be increased to increase the solubility of the primary salt until the presence of the secondary salt begins to diminish the overall performance of the electrolyte. The primary salt may comprise two or more lithium cation salts and the secondary salt may comprise two or more salts.
Resumen de: WO2025181635A1
Provided are a secondary battery excellent in impact resistance, and a manufacturing method therefor. This secondary battery includes a positive electrode, a negative electrode, and an exterior body. The secondary battery includes a first positive electrode lead, a second positive electrode lead, a first negative electrode lead, and a second negative electrode lead on a first side of the exterior body, and has a fixing part on a second side of the exterior body. The first positive electrode lead and the second positive electrode lead are respectively connected to two protruding parts provided in the positive electrode, and the first negative electrode lead and the second negative electrode lead are respectively connected to two protruding parts provided in the negative electrode. The fixing part holds the exterior body so as to crush the internal space of the secondary battery from the outside of the exterior body.
Resumen de: WO2025180541A1
Provided in the present application are a negative electrode material and a battery. The negative electrode material comprises graphite and a carbon layer located on at least part of the surface of the graphite. The particle surface and the particle cross section of the negative electrode material are separately tested by means of Raman spectroscopy; the ratio of the peak area of a characteristic peak D within the range of 1300 cm-1 to 1350 cm-1 to the peak area of a characteristic peak G within the range of 1500 cm-1 to 1580 cm-1 is ID/IG; and the value of the ratio ID/IG of the particle surface of the negative electrode material is measured to be A, the value of the ratio ID/IG of the particle cross section of the negative electrode material is B, and 1.22
Resumen de: WO2025183516A1
The present invention relates to an electrolyte for use in a lithium-sulfur battery, the electrolyte comprising a non-aqueous solvent, a first lithium salt, a second lithium salt, an inorganic nitrate, and an organic nitrate, wherein the non-aqueous solvent comprises an acyclic ether and a conjugated heterocyclic compound, thereby achieving the improvement in coulombic efficiency and lifespan of the lithium-sulfur battery.
Resumen de: WO2025183519A1
The present invention relates to a method for manufacturing a regenerated cathode active material and a cathode active material manufactured therefrom and, more specifically, to a method for manufacturing a regenerated cathode active material and a cathode active material manufactured therefrom, the method comprising the steps of: (a) heat-treating a spent cathode having a cathode active material layer formed on a current collector to thermally decompose a binder and conductive agent in the active material layer, thereby separating the current collector from the cathode active material layer and recovering the cathode active material within the cathode active material layer; (b) adding a lithium precursor to the recovered cathode active material and annealing same at 400 to 1000 °C for 8 to 12 hours; and (c) washing the annealed cathode active material with a cleaning solution.
Resumen de: WO2025183228A1
The present invention relates to a silicon-carbon composite negative electrode material composition comprising nano-silicon particles, a carbon-based substance, and an additive, wherein the additive is a hybrid of a polysaccharide substance and a nano-carbon material.
Resumen de: WO2025183261A1
The present invention relates to an all-solid-state battery. More specifically, the all-solid-state battery comprises a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer, the solid electrolyte layer including: a first solid electrolyte layer adjacent to the positive electrode layer and having a first width and a first thickness; a second solid electrolyte layer adjacent to the negative electrode layer and having a second width and a second thickness; and an interlayer interposed between the first solid electrolyte layer and the second solid electrolyte layer and having a third width and a third thickness.
Resumen de: WO2025180005A1
An electric device (2000), comprising a battery pack (1000). The battery pack (1000) comprises a battery cell (100). The battery cell (100) comprises a cover plate assembly (20), a casing (10), an electrode core (30), a spacer ring (40), and a monitoring module (50), wherein the electrode core (30) is fixed in an inner cavity enclosed by the cover plate assembly (20) and the casing (10); the spacer ring (40) is fixed to the side of the electrode core (30) facing the cover plate assembly (20); the electrode core (30) is provided with a tab (31), the tab (31) passing through the spacer ring (40) and being fixed to the cover plate assembly (20); and the monitoring module (50) is fixed to the cover plate assembly (20) or the spacer ring (40), and the monitoring module (50) is electrically connected to the tab (31) so as to supply power to the monitoring module (50).
Resumen de: WO2025179978A1
The present application discloses a battery and an electric device. The battery comprises battery packs and compression assemblies. A plurality of rows of battery packs are sequentially arranged in a first direction; and each row of battery packs comprises a plurality of battery cells which are sequentially arranged and are electrically connected to each other in a second direction, wherein the first direction and the second direction intersect with each other. The compression assemblies are arranged on end covers of the battery cells of the battery packs; each compression assembly covers two adjacent rows of battery packs, and a heat exchange medium is provided in the compression assembly. The compression assemblies can enhance the mechanical strength of the battery, thereby improving the stability of the battery. In addition, heat exchange can be performed on the battery cells by means of the heat exchange medium, so that the battery cells can operate at an appropriate temperature, thereby improving the cycle performance of the battery, simplifying the structure, saving the space, and improving the energy density of the battery.
Nº publicación: WO2025179779A1 04/09/2025
Solicitante:
EVE ENERGY CO LTD [CN]
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Resumen de: WO2025179779A1
A box body beam (100), a battery pack box body (200) and a battery pack (300), which ameliorate the technical problem in the prior art that whole plate structures of box body beams result in long manufacturing periods. The box body beam (100) comprises a first main body (10) and a second main body (20), the second main body (20) being arranged to separate from the first main body (10); at least one of the cross section of the first main body (10) and the cross section of the second main body (20) is provided with an opening (K), the first main body (10) and the second main body (20) being connected at two sides of the opening (K) and sealing the opening (K).
BOPI
Sede Electrónica
