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1525
resultados
Última actualización
12/09/2025 [07:43:00]
Resultados 1375 a 1400 de 1525
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: US2025273795A1
A vehicle battery pack structure includes: a lower case, a plurality of battery modules accommodated in the lower case, an upper case coupled to an upper portion of the lower case and configured to cover a space accommodating the battery modules, and a plurality of module fixing bolts configured to penetrate end plates of the battery modules and fixed to the lower case. The vehicle battery pack structure further includes: a connection support bar disposed on upper sides of the end plates so as to connect the end plates of the battery modules adjacent to each other, and a plurality of support bolts configured to respectively penetrate the upper case and the connection support bar and fixed to the end plates.
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: US2025273799A1
An energy storage apparatus, comprising an apparatus body and a support structure, which is arranged at the bottom of the apparatus body and used for supporting the apparatus body, wherein the support structure comprises a first support plate, which comprises a first mounting wall; an orthographic projection (Y) of the first mounting wall in a first plane (X) is located outside an orthographic projection (Z) of the apparatus body in the first plane; the first mounting wall is provided with a first assembly hole, through which the apparatus body is fixed to the ground; and the first plane is perpendicular to the direction of gravity (G) of the energy storage apparatus. By means of the present invention, the assembly efficiency of fixing the energy storage apparatus to the ground can be improved.
Resumen de: US2025273730A1
Provided are an electric vehicle, and a lithium ion battery and a manufacturing method therefor. The lithium ion battery includes a first metal plate, a second metal plate, a metal frame, a battery cell, poles, and an explosion-proof valve; the first metal plate, the metal frame, and the second metal plate are sequentially connected to form a mounting chamber; the battery cell is accommodated in the mounting chamber; the poles are provided on the metal frame in an insulating manner and are electrically connected to the battery cell; the explosion-proof valve is provided on the metal frame; and the metal frame is provided with a liquid injection hole.
Resumen de: WO2025177420A1
A sensor module (1) comprises: a base body (90) having an annular shape surrounding a central axis (A); an acceleration sensor (20) placed on the base body (90); a wireless communication module (30) placed on the base body (90) and electrically connected to the acceleration sensor (20); and a secondary battery (60) placed in the base body (90) and supplying power to the acceleration sensor (20) and the wireless communication module (30). The base body (90) includes: a body part (70) having an inner peripheral surface (74) along a cylindrical surface surrounding the central axis (A); and an adjustment member (80) installed in the body part (70) for adjusting the diameter of the inner peripheral surface (70).
Resumen de: WO2025177432A1
A current collector according to the present disclosure is for a secondary battery, and has a laminated structure comprising a pair of conductive layers and a resin layer positioned between the pair of conductive layers. The melting point and the softening point of the resin layer are 85°C or more, the temperature difference ΔT between the melting point and the softening point of the resin layer is 14° C or more, and the resin layer includes a stretched layer.
Resumen de: WO2025177418A1
This negative electrode material for lithium-ion secondary batteries contains composite particles. The composite particles include a plurality of carbonaceous particles and a plurality of silicon particles. The plurality of carbonaceous particles and the plurality of silicon particles are both amorphous. The average primary particle size of the plurality of silicon particles is 1 nm to 50 nm, inclusive. In the composite particles, the molar ratio of the silicon particles is 15 mol% to 40 mol%, inclusive, and the molar ratio of the carbonaceous particles is 50 mol% to 80 mol%, inclusive. Each of the plurality of silicon particles is bonded.
Resumen de: WO2025177405A1
This electrode composition is for a secondary battery electrode layer and comprises an electrolytic solution. The electrode composition satisfies all of criteria (1) through (4): (1) the composition contains an active substance and an additive but does not contain a binder resin; (2) the HSP distance (Ra_Act) between the additive and the active substance is 12.0 MPa0.5 or less; (3) the HSP distance (Ra_Elec) between the additive and the electrolytic solution is 14.0 MPa0.5 or less; and (4) the weight average molecular weight (Mw) of the additive is 50,000 or less.
Resumen de: WO2025177402A1
This negative electrode material for lithium-ion secondary batteries contains silicon particles. The silicon particles have an average particle size of 1 μm to 10 μm, inclusive. The silicon particles have an internal region and a surface region. The surface region contains amorphous silicon or silicon having a crystallite size of 200 nm or less. The internal region contains silicon having a crystallite size of more than 200 nm.
Resumen de: WO2025175633A1
Provided in the present application are a composite current collector, a manufacturing method therefor and the use thereof. The composite current collector comprises a polymer base film, and a bonding layer and a composite conductive layer which are sequentially stacked on at least one side surface of the polymer base film, the composite conductive layer comprising a carbon layer. The present application develops a novel composite current collector, that is, a carbon layer is introduced into the composite conductive layer, and due to the unique conductive layer structure, the defect rate of the composite current collector can be reduced, thereby improving the structure and performance stability of the composite current collector, and enhancing the stability thereof during battery processing and cycling. The manufacturing method is simple and feasible, and can be used for large-scale production.
Resumen de: WO2025175704A1
A battery and an electrical device. The battery (100) comprises a battery module (20), a case body (10) and an output electrode base (120). The battery module (20) is electrically connected to an output electrode (21). The case body (10) comprises a first beam body (110), the first beam body (110) being provided with a clearance recess (111). The output electrode base (120) comprises a main body part (121) and a fixing part (122) which are connected to each other. At least part of the main body part (121) is accommodated in the clearance recess (111), one end of the output electrode (21) being fixed to the main body part (121). The fixing part (122) is arranged on the side of the first beam body (110) facing away from the battery module (20) and is connected to the first beam body (110). With regard to the battery (100) provided in the embodiments, by means of the fixing part (122) of the output electrode base (120), the output electrode base (120) can be assembled to be offset with respect to the top of the first beam body (110), effectively reducing effects on the assembly of the output electrode base (120).
Resumen de: WO2025175356A1
A solid positive electrode for an electrochemical device is disclosed. The solid positive electrode comprises a functionalised porous carbon substrate comprising a redox active metallocene, or a derivative thereof, and iodine.
Resumen de: WO2025175556A1
The present application provides a battery cell, a battery, and an electric device. The battery cell comprises an electrode assembly, a housing, and an insulating film; the electrode assembly is accommodated in the housing, and the insulating film is arranged on the outer surface of the housing. Because the outer surface of the housing of the battery cell is provided with an insulating film having insulating properties, the battery cell has good insulation capability and is not prone to short-circuiting with adjacent battery cells, helping to improve the reliability of the battery.
Resumen de: US2025273781A1
A cell top cover rewelding reflow system includes a discharge conveyor line, a reflow conveyor line, and a sorting module. An input end of the discharge conveyor line is connected to welding equipment, and an output end extends toward a discharge position; the reflow conveyor line is disposed on one side of the discharge conveyor line, and an output end of the reflow conveyor line is connected to the welding equipment; a conveying direction of the discharge conveyor line is opposite to a conveying direction of the reflow conveyor line, and the discharge conveyor line and the reflow conveyor line are arranged side by side; the sorting module includes a first frame and a pickup member, where the first frame, the discharge conveyor line, and the reflow conveyor line are relatively fixed, and the pickup member is movably disposed on the first frame.
Resumen de: US2025273726A1
An electrode for a secondary battery may include an electrode collector, a coating portion having an active material coated on the electrode collector, a first non-coating portion on which the active material is not applied to the electrode collector, and a second non-coating portion on which the active material is not applied to the electrode collector. The first non-coating portion may be adjacent to the coating portion in a width direction perpendicular to a longitudinal direction of the electrode collector, the first non-coating portion having a longitudinal dimension extending along the longitudinal direction, the first non-coating portion configured to be bent and electrically coupled to a can member of the secondary battery. The second non-coating portion may be adjacent to the coating portion in the longitudinal direction. The electrode may be stacked into a stack with a separator and a second electrode of an opposite polarity than the electrode.
Resumen de: US2025273775A1
Provided are a battery cell, a battery, and an electric apparatus. The battery cell includes: an electrode assembly; an electrolyte; and a housing, configured to accommodate the electrode assembly and the electrolyte. The battery cell satisfiesVCAP≥200(C0×ρ0),where V represents a remaining volume inside the housing of the battery cell in a fully discharged state, measured in mL; CAP represents a nominal capacity of the battery cell, measured in Ah; C0 represents a theoretical specific capacity of a corresponding alkali metal in the battery cell, measured in mAh/g; and ρ0 represents a theoretical density of the corresponding alkali metal in the battery cell, measured in g/cm3. The technical solution of this application prevents electrolyte leakage caused by the electrolyte being squeezed out due to excessive changes in the electrode assembly, thereby improving the safety performance of the battery.
Resumen de: US2025273778A1
A secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case including a first side having an opening to accommodate the electrode assembly; a cap plate sealing the first side of the case; a first current collector plate arranged between the electrode assembly and the cap plate and electrically connecting the first electrode plate and the cap plate; a terminal arranged on a second side of the case; a second current collector plate electrically connecting the second electrode plate and the terminal; a first welding portion on an outer surface of the cap plate and welding the cap plate and the first current collector plate; and a second welding portion on the outer surface of the cap plate and welding the case and the cap plate.
Resumen de: US2025273787A1
The battery pack comprises a plurality of cell modules; and at least one battery-related device, wherein the plurality of cell modules are arranged side by side in a longitudinal direction thereof, with an intermediate space interposed therebetween, and the at least one battery-related device is disposed inside the intermediate space or above the intermediate space.
Resumen de: US2025274070A1
A power tool system includes a power tool, a sensor, and an electronic controller of the power tool. The power tool includes a power tool housing, a motor housed within the power tool housing, and a pack interface coupled to the power tool housing. The pack interface receives a power tool battery pack having a corresponding tool interface. The sensor senses an electrical parameter corresponding to a power tool battery pack coupled to the pack interface. The electronic controller of the power tool controls the power tool battery pack to discharge current; receives an output of the sensor when the power tool battery pack is controlled to discharge current; generates a temperature estimate by processing the output of the sensor using a thermal model stored on the memory; and generates a temperature warning signal in response to the temperature estimate exceeding a temperature threshold.
Resumen de: US2025273670A1
A cathode active material precursor according to embodiments of the present invention includes a composite hydroxide particle in which primary precursor particles are aggregated. The primary precursor particles include a particle having a triangular shape in which a minimum interior angle is 30° or more and a ratio of a length of a short side relative to a length of a long side is 0.5 or more. A cathode active material and a lithium secondary having improved high temperature stability is provided using the cathode active material precursor.
Resumen de: US2025273671A1
Provided in the present application are a positive electrode active material and a preparation method therefor, and a positive electrode sheet, a battery and an electric device. The positive electrode active material of the present application comprises (1−a)LiNixM1yM2(1-x-y-z)NbzO2·aLi2MnO3, wherein M1 comprises one or two elements of Mn and Al; and M2 comprises one or more transition metal elements except Mn, Ni and Nb. The positive electrode active material of the present application can improve the cycling stability of a battery and the capacity of the battery after cycling.
Resumen de: US2025273668A1
A positive electrode active material having high capacity and excellent cycle performance is provided. The positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charge and discharge as compared with those of a known positive electrode active material.
Nº publicación: WO2025177410A1 28/08/2025
Solicitante:
TDK CORP [JP]
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Resumen de: WO2025177410A1
This negative electrode material for lithium-ion secondary batteries contains silicon particles. The silicon particles have an average particle size of 0.1 μm to 10 μm, inclusive. The silicon particles have an internal region and a surface region. The surface region includes a silicide. The thickness of the surface region is 10 nm to 500 nm, inclusive.
BOPI
Sede Electrónica
