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1482
resultados
Última actualización
11/09/2025 [07:18:00]
Resultados 1200 a 1225 de 1482
Resumen de: US2025273783A1
An adhesive film for metal terminals, the adhesive film being interposed between a metal terminal that is electrically connected to an electrode of a power storage device element and an outer package material for power storage devices, the outer package material sealing the power storage device element. A resin layer that forms at least one surface of adhesive film for metal terminals contains acid-modified polyolefin; and the surface of the resin layer has a crystallinity of 3 to 18 as determined with use of an X-ray diffractometer under the following measurement conditions: the angle of X-ray irradiation is 0.09° with respect to the surface (0°) of the resin layer A; the measurement range is from the surface to the depth of 5 μm of the resin layer; the camera length of the X-ray detector is 500 mm; the X-ray wavelength is 0.92 Å; and the exposure time is 30 seconds.
Resumen de: WO2025178370A1
A solid-state battery device is provided. The present disclosure relates to a solid-state battery comprising a cell including: a positive electrode, a negative electrode, and a solid electrolyte disposed between the positive electrode and the negative electrode. The negative electrode includes first particles containing silicon and second particles containing a material configured to form an alloy with lithium. The second particles are softer than the first particles and are configured to compensate for changes in size of the first particles during charge and discharge cycles of the solid-state battery, so that when the first particles expand in size, the size of the second particles is compressed at a given pressure applied to the solid-state battery, and when the first particles shrink in size, the size of the second particles is expanded at a given pressure applied to the solid-state battery.
Resumen de: WO2025178369A1
The method for sealing a pouch-type battery cell, according to the present invention, is characterized in that at least one of the upper surface of a primary sealing part and the lower surface of the primary sealing part is adhered to a bent surface of a pouch exterior material, formed by bending, at a portion where the primary sealing part and the bent part intersect.
Resumen de: WO2025178274A1
The present invention provides a contamination-resistant battery cell carrier comprising: a lower carrier (100) including a lower plate (110) on which one or more battery cells (50) are mounted; and an upper carrier (200) including an upper plate (210) that is disposed above the lower carrier (100) and the one or more battery cells (50) and is coupled to the lower carrier (100), one or more hoppers (220) that are arranged to pass through the upper plate (210) and respectively contact the one or more battery cells (50), and a barrier (230) that is formed to protrude upward from the upper plate (210). Each of the one or more hoppers (220) may be open at the top and bottom and may include an upper injection port (222) that contacts an electrolyte injector and a lower injection port (224) that contacts a respective battery cell (50). Accordingly, an electrolyte may be injected into each battery cell (50) via each hopper (220), or the electrolyte inside each battery cell (50) may leak or splash to the outside of the battery cell (50). The barrier (230) may entirely surround the one or more hoppers (220).
Resumen de: WO2025178331A1
A battery cell assembly according to one embodiment of the present invention includes: a battery cell stack including a first battery cell stack and a second battery cell stack in which a plurality of battery cells are stacked; a frame member accommodating the battery cell stack; and an inlet and an outlet for circulating a refrigerant into the frame member, wherein the refrigerant is introduced into the frame member through the inlet and discharged through the outlet, the frame member includes an intermediate plate disposed between the first battery cell stack and the second battery cell stack, and the intermediate plate has at least one opening through which the refrigerant passes.
Resumen de: WO2025176154A1
Provided is a station building-based energy storage power station safety protection structure, comprising a plurality of battery clusters arranged within a battery room, the plurality of battery clusters being arranged in an array. A cooling air duct is arranged, within the configuration of a station building, at the rear of the battery clusters. The cooling air duct is provided with cold air outlets corresponding to each battery cluster row. Auxiliary air ducts, which connect to the cold air outlets, are provided and correspond to each battery cluster row. An air exchange vent is provided on each auxiliary air duct at an end facing away from the cooling air duct, and a waste heat utilization plate heat exchanger apparatus is arranged on an inner wall of the battery room, on a side furthest from the cold air outlets. A fire extinguishing system is provided within the station building, the fire extinguishing system comprising a plurality of aerosol fire-extinguishing apparatuses arranged on the inner walls of the station building, and a foam fire-extinguishing system arranged above the battery clusters. A sensor group is arranged on a top wall within the battery room, and the sensor group and the fire extinguishing system are electrically connected to a single controller.
Resumen de: WO2025176004A1
Disclosed in the present application are a separator and an electrochemical device comprising same. The separator comprises a base membrane, a solid electrolyte layer and a bonding layer, wherein the solid electrolyte layer comprises solid electrolyte material particles and carbon material particles, the periphery of each solid electrolyte material particle contains 2-100 carbon material particles, and the bonding layer is arranged on a surface of the solid electrolyte layer in the form of a discontinuous dotted film layer. By configuring the separator in an electrochemical device, the wettability of an electrolyte solution at a coating interface can be improved, thereby improving the kinetic performance, especially the low-temperature performance, of the electrochemical device.
Resumen de: WO2025175956A1
An energy storage device and an energy storage system. The energy storage device comprises a fire-fighting module (1) and at least one battery pack (2), wherein the fire-fighting module comprises a first box (11), the first box being used for storing a fire-fighting medium, and a medium spraying port (111) being provided in an outer wall of the first box; and each battery pack comprises a second box (21) and a plurality of batteries, the second box being used for accommodating the plurality of batteries, an opening (211) being provided in an outer wall of the second box, and the opening of each second box being configured to be in communication with the medium spraying port of the fire-fighting module through a pipeline. The energy storage device and the energy storage system can ameliorate the problem of it being impossible to accurately extinguish a fire at a point of origin inside an energy storage device in the case where a fire-fighting system is arranged in a building system where the energy storage device is located.
Resumen de: WO2025175651A1
An adhesive coating test system (10) and an adhesive coating test method for cylindrical battery cells (20). The adhesive coating test system (10) comprises test positions (1a), a control device, rotating mechanisms (4) and visual inspection modules (3). Each rotating mechanism (4) is arranged at a test position (1a), the rotating mechanism (4) comprises a rotating motor (41), a driving wheel set (42) and a driven wheel set (43), and a coder (2) is provided in the driven wheel set (43). In response to a cylindrical battery cell (20) coated with adhesive reaching a test position (1a), the control device controls a visual inspection module (3) to move to an image acquisition point position of the cylindrical battery cell (20), and controls the rotating motor (41) to drive the driving wheel set (42) so as to drive the cylindrical battery cell (20) to rotate, such that the cylindrical battery cell (20) drives the driven wheel set (43) and the coder (2) to rotate in the rotating process. During the rotation process of the coder (2), an acquisition trigger signal is output to the visual inspection module (3) according to a set frequency, so as to control the visual inspection module (3) to perform image acquisition on the side surface of the cylindrical battery cell (20) according to the set frequency, thus performing defect detection on adhesive coating of the side surface of the cylindrical battery cell (20).
Resumen de: WO2025175653A1
A battery baking system and method. A control apparatus (1) is used for: when there is no no-good battery among a first number of first batteries to be baked which is on a loading pull strap (3) and said first batteries do not correspond to the first group of batteries that enter a first baking furnace (5), controlling a first servo gripper (2) to carry said first batteries to a first pairing platform (4); when there is a no-good battery among said first batteries and said first batteries do not correspond to the first group of batteries that enter the first baking furnace (5), controlling the first servo gripper (2) to carry the no-good battery to a second unloading pull strap (8) for unloading; and when said first batteries correspond to the first group of batteries that enter the first baking furnace (5), controlling the first servo gripper (2) to carry a test battery from a test-battery loading pull strap (7) to a third pairing platform (6), and controlling the first servo gripper (2) to carry a good battery among said first batteries to the third pairing platform (6), so as to complete baking of said first batteries.
Resumen de: WO2025175660A1
Disclosed in the present application is an electrode sheet roll-pressing and cutting system and method. The system comprises: an encoder, detection mechanisms, a programmable logic controller and a marking mechanism. The detection mechanisms shoot images of an electrode sheet in the system on the basis of the frequency of a pulse signal output by the encoder. An upper computer determines a defect region of the electrode sheet on the basis of the N-th image of the electrode sheet shot by the detection mechanisms and, on the basis of the defect region, determines the number S of pulses that the programmable logic controller needs to await. When determining that the S pulses have been awaited, the programmable logic controller sends a marking instruction to the marking mechanism. The marking mechanism marks the defect region of the electrode sheet on the basis of the marking instruction. In addition, the upper computer is further used for identifying edges of a tab region image among the images shot by the detection mechanisms, and determining the size of a tab region on the basis of the edges. Thus, the present application can determine the defect region of the electrode sheet, accurately mark the defect region on the basis of the position of the defect region in the electrode sheet, and determine the size of the tab region of the electrode sheet.
Resumen de: US2025273740A1
The present disclosure relates to an electrolyte for a lithium-sulfur secondary battery that can improve output power characteristics of lithium-sulfur secondary batteries, and a lithium-sulfur secondary battery including the same. The electrolyte for the lithium-sulfur secondary battery includes a lithium salt, a non-aqueous solvent and an additive, wherein a first mixing energy (Gmix1) of the electrolyte and dilithio pertetrasulfide (Li2S8) and a second mixing energy (Gmix2) of the electrolyte and lithium sulfide (Li2S) are each within a certain range.
Resumen de: US2025273731A1
Provided is a lithium ion secondary battery including an electrode assembly including an anode, a cathode, and a separator disposed between the anode and the cathode, a case accommodating the electrode assembly, and an electrolyte filling the case, wherein the separator includes a coating layer on at least one of both sides of the separator, and the coating layer includes boron nitride nanotubes.
Resumen de: US2025273742A1
Provided are an electrolyte, a battery, and an electrical device, the electrolyte comprises a solvent and an electrolytic salt dissolved in the solvent, the solvent comprises a first solvent comprising an ether solvent, and the ether solvent has a molecular structure in which the α-carbon atom directly bonded to an oxygen atom in an ether-oxygen bond function group does not have a hydrogen atom directly bonded to the α-carbon atom.
Resumen de: US2025273729A1
An energy storage device, the energy storage device including a constraint that maintains a pressure on a unit cell configured for energy storage, e.g., during use of the unit cell.
Resumen de: US2025273745A1
Provided are an all-solid secondary battery, an all-solid secondary battery structure, and a method for manufacturing an all-solid secondary battery, the battery comprising a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer, wherein the positive electrode layer includes a positive electrode current collector and a positive electrode active material layer disposed on one or both surfaces of the positive electrode current collector, and the negative electrode layer includes a negative electrode current collector and a first negative electrode active material layer disposed on the negative electrode current collector, the battery including an inactive member disposed to surround a side of the positive electrode layer, wherein the inactive member includes a position determination part configured to determine a position of the inactive member on the solid electrolyte layer.
Resumen de: WO2025178312A1
The present invention may provide a pressing device including: a plurality of pad members in which a plurality of cell accommodation parts are each formed between two adjacent pad members, to press a plurality of battery cells comprising a curable electrolyte composition in a pressing direction (PD); and an elastic part comprising at least one elastic member arranged between the two adjacent pad members.
Resumen de: WO2025178179A1
This secondary battery inspection apparatus may comprise a sensor module, a detection circuit, a transfer device, a processor, and a memory. The processor may be configured to divide a measured value of a parameter obtained through the detection circuit into a plurality of sections, and identify a defect of a secondary battery for the plurality of sections.
Resumen de: WO2025178183A1
The present disclosure relates to a method and apparatus for inspecting a battery header. A method for inspecting a battery header, according to an embodiment of the present disclosure, is to inspect a battery header comprising: a base; a pin passing through the top surface and the bottom surface of the base; and a glass sealing for insulating the base and the pin, and comprises the steps of: inspecting the dimensions of the battery header; inspecting an electrolyte inlet formed in the base; inspecting surface scratches of the battery header; inspecting insulation between the pin and the base by bringing electrodes into contact with the pin and the base, respectively; inspecting a glass sealing state between the pin and the base from the top; and inspecting a glass sealing state between the pin and the base from the bottom.
Resumen de: WO2025178164A1
The present invention relates to a battery cell and a battery module comprising same, and solves the technical problem of providing a battery cell capable of improving energy efficiency for the same volume and weight, and a battery module comprising same. To this end, the present invention provides a battery cell comprising: an electrode assembly; a cell case accommodating the electrode assembly; and a cap plate coupled to the cell case and sealing the cell case, wherein the cell case includes a first case body and a second case body made of a material different from that of the first case body.
Resumen de: US2025266568A1
A power storage device includes: a first power storage cell and a second power storage cell disposed side by side in a first direction; and a cross member extending along a second direction perpendicular to the first direction and disposed in a gap between the first power storage cell and the second power storage cell. The first power storage cell includes a first side wall portion facing the cross member. The first side wall portion is provided with a first exhaust valve. The cross member is provided with a hollow portion, and is provided with a first opening such that the first opening faces the first side wall portion. The cross member is provided with a communicating portion that allows the hollow portion and a space around the cross member to communicate with each other. The communicating portion is provided at a position not facing the first exhaust valve.
Resumen de: US2025266576A1
A rechargeable battery according to some embodiments includes a first electrode assembly including a first positive electrode and a first negative electrode disposed with a separator therebetween; and a second electrode assembly including a second positive electrode and a second negative electrode disposed with the separator therebetween. The first positive electrode and the second negative electrode may be alternately arranged in a matrix structure on one surface of the separator, the first negative electrode and the second positive electrode may be alternately arranged in a matrix structure on the other surface of the separator, and the separator may include a bendable bent portion disposed between rows or columns of the matrix structure.
Resumen de: WO2025178306A1
One aspect of the present invention provides a solvent composition and a method for manufacturing a porous film using the solvent composition, in which the solvent composition is used for manufacturing a porous film including a plurality of pores by selectively extracting and removing a pore-forming agent from a base film comprising polyolefin and the pore-forming agent, and comprises at least one of alkyl carbonate and alkyl acetate and a non-chlorine-based halogen compound.
Resumen de: JP2024102032A
To provide a TFE polymer composition, and the like for use in a binder for a solid-state secondary battery, the TFE polymer composition being capable of improving the strength of a mixture sheet.SOLUTION: There is provided a TFE polymer composition for use in a binder for a solid-state secondary battery, the TFE polymer composition containing a TFE polymer and at least one compound selected from the group consisting of compounds represented by general formulae (1) and (2). General formula (1): (H-(CF2)m-1-COO)pM1 (In the formula, m is 4-20, M1 is H, a metal atom, NR54 (the R5 moieties may be the same or different, and each represent H or an organic group having 1-10 carbon atoms), or the like, and p is 1 or 2.) General formula (2): (H-(CF2)n-SO3)qM2 (In the formula, n is 4-20, M2 is H, a metal atom, NR54 (the R5 moieties are as defined above), or the like, and q is 1 or 2).SELECTED DRAWING: Figure 1
Nº publicación: KR20250128881A 28/08/2025
Solicitante:
도요타지도샤가부시키가이샤
Resumen de: US2025266579A1
A power storage module includes a plurality of single cells. The plurality of the single cells are stacked in a stacking direction. Each of the plurality of the single cells includes a case. The case has a rectangular-parallelepiped-like shape with six outer surfaces. The six outer surfaces include a terminal surface and an opposite surface. The terminal surface is an outer surface, among the six outer surfaces, to which a positive electrode terminal and a negative electrode terminal are provided. The opposite surface is an outer surface, among the six outer surfaces, that is located opposite to the terminal surface. Each of the terminal surface and the opposite surface is parallel to the stacking direction. The plurality of the single cells are aligned in the stacking direction in such a manner that the terminal surface alternates with the opposite surface.
BOPI
Sede Electrónica
