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1197
resultados
Última actualización
19/08/2025 [07:13:00]
Resultados 300 a 325 de 1197
Resumen de: WO2025167241A1
A battery cell, a battery, and an electric device. The battery cell (100) comprises: an electrode assembly (10), wherein the electrode assembly (10) comprises a body part (11) and tabs (12); a casing (20) for accommodating the electrode assembly (10) and comprising a first wall (201), wherein mounting holes (2021) are formed in the first wall (201); and electrode terminals (30) provided on the first wall (201), wherein at least part of the tabs (12) extend into the mounting holes (2021), and the projection of the electrode terminals (30) in the thickness direction of the first wall (201) covers the projection of the tabs (12) in the thickness direction.
Resumen de: WO2025167067A1
A water-soluble binder, a battery electrode sheet and the use thereof. The water-soluble binder comprises a copolymer. Polymeric monomers of the copolymer comprise a combination of a double-bond-containing nitrile monomer, a double-bond-containing amide monomer, a double-bond-containing carboxylic acid monomer, optionally a double-bond-containing sulfonic acid monomer and optionally a fifth monomer. The water-soluble binder is in the form of powder, and the mass percentage content of the copolymer in the water-soluble binder is greater than or equal to 92%. By means of the design of the polymeric monomers and the copolymer and the combination of the copolymer and the powder form, the water-soluble binder has excellent binding power, and can effectively inhibit the volume expansion of an electrode sheet during charge and discharge cycles, thereby improving the cycle performance of the electrode sheet and a lithium-ion battery.
Resumen de: WO2025167008A1
The present application relates to a composite thermal insulation pad, a battery, and an electric device. The composite thermal insulation pad comprises: a thermal insulation pad body; and a thermally conductive layer, which is arranged in the thermal insulation pad body. According to the composite thermal insulation pad, on one hand, the thermal insulation pad body can achieve the effect of thermal insulation; and on the other hand, the thermally conductive layer is arranged in the thermal insulation pad body, and if heat is conducted to the interior of the thermal insulation pad body to reach the thermally conductive layer, the thermally conductive layer can rapidly and uniformly diffuse the heat throughout the surrounding area, thereby achieving the effect of rapid heat dissipation. The composite thermal insulation pad is applied to the battery; the thermal insulation pad body mainly achieves the effect of thermal insulation under the normal working state of the battery; and when abnormal battery heating occurs, the thermally conductive layer can achieve rapid heat diffusion, thereby achieving the effect of retarding thermal runaway of the battery.
Resumen de: WO2025167046A1
The present application relates to a polymer gel electrolyte, a secondary battery and an electric device. The polymer gel electrolyte comprises a polymer framework and an electrolyte solution located in gaps of the polymer framework, wherein the polymer framework comprises a cyclic group. The polymer gel electrolyte has a high ionic conductivity and a high ion migration number, and can make the internal resistance (DCR) of the battery relatively small.
Resumen de: WO2025166939A1
A battery and an electrical device. The battery comprises a case, a fixed beam, battery cells, and a first heat exchange member; the fixed beam is arranged in the case and divides the inner space of the case into a first cavity and a second cavity; clearance spaces enabling the first cavity and the second cavity to be communicated with each other are formed in the fixed beam and/or the case; the battery cells are arranged in the case and located in the first cavity; the first heat exchange member is arranged in the case and located between the battery cells and the case; the first heat exchange member is provided with at least one heat exchange flow channel and comprises a heat exchange part and connection parts; the heat exchange part is located in the first cavity and used for exchanging heat with the battery cells; the connection parts are provided with ports of the heat exchange flow channel; and the connection parts penetrate through the clearance spaces from the heat exchange part and extend into the second cavity, so that the ports of the heat exchange flow channel are located in the second cavity.
Resumen de: WO2025167117A1
The present application discloses a tab defect detection method and apparatus, and an electronic device. The method comprises: acquiring a tab image under test; and inputting the tab image under test into an image classification model to obtain a test result of the tab image under test, wherein the image classification model is trained by using a sample set, the sample set comprises tab images labeled as a plurality of classification labels, the plurality of classification labels comprise Normal, Uneven lighting, Jitter, Underexposed, Overexposed, Blur, Excessive tab gap, Prism contamination, and Left side out-of-view, and the detection result is at least one of the plurality of classification labels. The test accuracy of the tab image under test can be improved, and problems occurring in tab imaging can be determined in advance, so as to assist engineers on a lithium battery production line in adjusting an imaging device in a timely manner.
Resumen de: WO2025167315A1
A battery cell (20), a battery (100), and an electrical apparatus (1000). The battery cell (20) comprises a housing, an electrode assembly (23), and an insulating protection member (30). The housing has a first wall (201) and a pressure relief structure (212), provided on the first wall (201). The electrode assembly (23) is disposed in the housing. The insulating protection member (30) is disposed at a side of the first wall (201) facing the electrode assembly (23), and the insulating protection member (30) has a gas release structure (32) corresponding to the position of the pressure relief structure (212). The gas release structure (32) comprises multiple layers of flow guide plates (323). Each layer of flow guide plate (323) being provided with a flow guide hole (322), the multiple layers of flow guide plates (323) being disposed at intervals along a first direction (X), projections of the flow guide holes (322) of at least two layers of flow guide plates (323) along the first direction (X) being at least partially staggered, and the first direction (X) being a direction of the first wall facing the electrode assembly (23). By means of disposing the flow guide holes (322) of any two adjacent layers of flow guide plates (323) in a staggered manner along the first direction (X), the effect of stopping a molten substance or other high-temperature particles of the pressure relief structure (212) can be improved, and the possibility of thermal runaway of the current battery cel
Resumen de: WO2025167121A1
The present application relates to the field of battery cooling. Disclosed is a graphene-based radial basis function (RBF)-controlled battery cooling system. The graphene-based RBF-controlled battery cooling system comprises: a temperature and pressure detection module, a temperature and pressure collection module, an RBF neutral network precision control module, a cooling module, an emergency alarm control module and a data display module. An RBF neutral network is used to precisely control battery heating and cooling processes; data of a battery and a graphene film on the surface of the battery is simultaneously collected, and the flow rate and temperature of a coolant in the cooling module are regulated by means of the collected data, such that the battery always operates in an optimal state; and data collected by the temperature and pressure collection module is compared with early warning values in the emergency alarm control module in real time, so that it can be ensured that the battery always operates in an optimal state, and the ideal operating voltage and temperature of the battery can be ensured, thereby improving the service life and safety performance of batteries.
Resumen de: WO2025170260A1
The present invention relates to a positive electrode active material, and a positive electrode and a lithium secondary battery comprising same, the positive electrode active material comprising a lithium transition metal oxide and a coating portion including a metal oxide located on the surface of the lithium transition metal oxide, being in the form of a single particle, and capable of improving initial capacity and resistance performance by having an average particle diameter and an average particle diameter ratio satisfying specific ranges.
Resumen de: WO2025170229A1
Provided according to exemplary embodiments are an electrode for a secondary battery and a fabrication method for the electrode for a secondary battery. The electrode for a secondary battery includes an electrode current collector, a first active material layer disposed on the electrode current collector, and a second active material layer disposed on the first active material layer, wherein each of the first active material layer and the second active material layer may include an electrode active material, a solid electrolyte, a binder, and a conductive material. The binder content (wt%) in the first active material layer on the basis of the total weight of the first active material layer is greater than that in the second active material layer on the basis of the total weight of the second active material layer while the conductive material content (wt%) in the second active material layer on the basis of the total weight of the second active material layer may be greater than that in the first active material layer on the basis of the total weight of the first active material layer.
Resumen de: WO2025171375A1
Organic charge storage materials capable of storing magnesium ions with fast kinetics are disclosed. The organic charge storage materials include bis-benzoquinone derivatives. The bis-benzoquinone derivatives stabilize the materials so that high energy (for example, greater than 600 Wh/kg) and stable cycling (for example, greater than 50% retention after 15 cycles) are simultaneously achieved. Energy storage devices including the bis-benzoquinone derivatives are also disclosed.
Resumen de: WO2025170632A2
Described herein are negative electrodes comprising polymer base layers and current collector layers, formed from alloys or multi-layered structures, lithium electrochemical cells (e.g., lithium metal and lithium-ion cells), comprising such electrodes, and methods of fabricating such electrodes. In some examples, a negative electrode comprises a polymer base layer, a current collector layer, and a negative active material layer. The polymer base layer can be formed from one or more of polyethylene terephthalate, polyethylene naphthalate, polypropylene, polycarbonate, polyethylene, polyimide, cellulose, and nylon. The negative current collector layer can be formed from an alloy or a multi-layered structure comprising at least two or more elements selected from the group aluminum, cadmium, chromium, cobalt, copper, indium, lithium, manganese, magnesium, molybdenum, nickel, phosphorous, silicon, silver, sodium, tin, titanium, vanadium, and zinc. For example, the negative current collector layer can be formed from an alloy of titanium and aluminum or a lithium alloy.
Resumen de: WO2025170941A1
Example embodiments relate to methods for charging battery modules. An example method includes selecting enough battery modules from a pool of battery modules in an energy storage system to reach a target voltage level. The method also includes connecting the selected battery modules to receive regulated power from a ground support module via a power cable. The method also includes sending a first regulated power request to the ground support module via a first data bus. The method also includes determining that a particular battery module of the connected battery modules has reached a maximum voltage limit associated with the particular battery module. The method also includes, in response to determining that the particular battery module has reached the maximum voltage limit, adjusting one or more battery modules in the pool of battery modules that are connected to receive the regulated power from the ground support module.
Resumen de: WO2025170474A1
Examples of electrochemical cells are disclosed. The electrochemical cell can comprise a container, an inner half-cell within the container, an outer half-cell within the container, and a product transport tube for transporting hydrogen from the electrochemical cell. The inner half-cell can define a substantially gas-tight internal volume. An inner portion of the product transport tube can be within the internal volume. The inner portion of the product transport tube can be hydrogen permeable. A method of fabricating an electrochemical cell is also disclosed.
Resumen de: WO2025170360A1
According to exemplary embodiments, a battery pack is provided. The battery pack includes: a base plate; a thermal interface material (TIM) layer on the base plate; and a battery cell assembly on the TIM layer. The battery cell assembly includes: a plurality of battery cells arranged in a first direction; first and second side beams spaced apart from each other in the first direction with the plurality of battery cells therebetween; and a lifting band coupled to the first and second side beams.
Resumen de: WO2025170300A1
The present invention relates to an electrode trimming device. The electrode trimming device according to the present invention comprises: a trimming knife that is positioned on the opposite side of an electrode sheet from a conveying roller conveying the electrode sheet, and performs a trimming process for removing unnecessary portions of the edges of the electrode sheet; a support unit supporting the trimming knife; and a stopper unit that is supported by the support unit and spaces the trimming knife a predetermined distance apart from the conveying roller, thereby preventing the trimming knife from coming into direct contact with the conveying roller.
Resumen de: WO2025170209A1
A battery cell assembly of the present invention comprises: a plurality of battery cells each having a positive electrode terminal and a negative electrode terminal; a housing provided to accommodate the plurality of battery cells; and a plurality of holder assemblies including a positive electrode bus bar detachably provided in each of the plurality of battery cells and provided to be in contact with and electrically connected to the positive electrode terminal, and a negative electrode bus bar provided to be connected to the negative electrode terminal.
Resumen de: WO2025170310A1
An in-line manufacturing facility for a secondary battery, according to one embodiment of the present invention, comprises: a plurality of facilities provided for manufacturing a secondary battery; and a docking unit including a pair of docking members respectively mounted on two facilities adjacent to each other, each having at least one mark formed at a contact portion, wherein the pair of docking members are arranged such that the mark forms a predetermined shape when the two adjacent facilities are assembled in a predetermined position, with a predetermined flatness and parallelism.
Resumen de: WO2025170332A1
The present invention relates to a composition for recovering battery materials or disabling a battery and, more specifically, to a composition for recovering battery materials or disabling a battery, the composition being used when recovering, through chemical discharge, main materials in a used battery. The composition for extracting lithium in an anode of a battery contains a lithium-extraction solution (LeS), and the LeS contains an antisolvent that has a low solubility for a lithium compound so as to crystallize a lithium ion in a solution into a lithium compound.
Resumen de: WO2025170325A1
A lithium metal battery is presented, comprising: a cathode layer; an anode current collector; and an electrolyte disposed between the cathode layer and the anode current collector, wherein the cathode layer comprises: a cathode current collector; and a cathode active material layer disposed on one surface or both surfaces of the cathode current collector, and a lithium host layer is disposed on one surface of the anode current collector. The lithium host layer contains a binder and a lithium-philic metal-organic framework including a lithium-philic transition metal and an imidazole-based organic ligand, wherein the lithium-philic transition metal is zinc (Zn), gold (Au), platinum (Pt), palladium (Pd), silicon (Si), silver (Ag), aluminum (Al), bismuth (Bi), tin (Sn), nickel (Ni), manganese (Mn), cobalt (Co), or a combination thereof, and the lithium-philic metal-organic framework has a pore volume of 0.01 cm3/g or more. The lithium host layer further contains pores and the porosity of the lithium host layer is 40%-70%.
Resumen de: WO2025170236A1
A battery diagnostic method, according to one aspect of the present invention, is a method for diagnosing a battery assembly comprising a battery bank provided by connecting a plurality of battery cells in parallel with each other, the battery diagnostic method comprising: a differential profile generation step of generating a differential profile representing a relationship between a differential capacity, obtained by differentiating a capacity of the battery bank with respect to a voltage of the battery bank, and the voltage of the battery bank; and a diagnosis step of diagnosing a state of the battery bank on the basis of a different value between a differential capacity value of a target peak located within a predetermined voltage section from among a plurality of peaks included in the differential profile, and a differential capacity value of a valley adjacent to the target peak.
Resumen de: WO2025170261A1
The present invention relates to a battery module comprising: a cell assembly including a plurality of battery cells; a module case configured to accommodate the cell assembly; a thermally conductive adhesive disposed between the cell assembly and the module case to secure the cell assembly; and an overflow prevention member provided between the cell assembly and the module case to form a space in which the thermally conductive adhesive can be accommodated.
Resumen de: WO2025170259A1
The present invention provides a rotary transfer device (50) comprising: a rotary plate (500) configured to rotate around a virtual first rotation axis (A1); one or more rotary transfer units (600) comprising a movable member (610) installed on the rotating plate (500) so as to rotate together with the rotating plate (500), each movable member (610) being installed on the rotating plate (500) to be able to move to one side or the other side in the radial direction around the first rotation axis (A1), a rotary member (620) installed on the rotary plate (500) to be able to rotate around a virtual second rotation axis (A2) which intersects with the first rotation axis (A1), and a rotation conversion means (630) for converting movements of the movable member (610) into rotations of the rotary member (620); and a displacement means (700) configured such that, when the movable member (610) of each of the one or more rotary transfer units (600) rotates together with the rotary plate (500), each movable member (610) is moved to one side or the other side in the radial direction.
Resumen de: WO2025170413A1
Disclosed are a sensing block and a battery module assembly having same. The sensing block may include a frame, a circuit board, and a discharge channel. The frame may be formed to correspond to the plurality of battery cells. The circuit board is mounted on the frame, and may be formed to be connected to an external device to monitor the states of the battery cells. The discharge channel may include a discharge channel formed to allow moisture to be discharged from a space between the frame and the circuit board.
Nº publicación: WO2025170411A1 14/08/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2025170411A1
According to exemplary embodiments, equipment for manufacturing a secondary battery is provided. The equipment comprises: a first jig assembly for fixing a weldment and including a first opening for exposing the surface of the weldment; a second jig assembly for fixing the weldment and including a second opening for exposing the surface of the weldment; and a beam irradiation system for irradiating the weldment with a welding beam through one of the first and second openings; and a cleaning assembly for clean the first and second openings.
BOPI
Sede Electrónica
