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1797
resultados
Última actualización
13/10/2025 [15:43:00]
Resultados 900 a 925 de 1797
Resumen de: US2025309407A1
The present disclosure provides a box, a cell liquid cooling box and a battery pack, the box includes a box body including a first end plate and a second end plate arranged opposite to each other, a liquid inlet and a liquid outlet are provided on the first end plate; and a separator provided inside the box body to divide the interior of the box body into multiple cell installation chambers, a first flow channel is provided inside the separator, the end of the first flow channel away from the first end plate is provided with a plurality of first outflow outlets, one of the first outflow outlets is connected to and communicated with one of the cell installation chambers, and each of the cell installation chambers is connected to the liquid outlet.
Resumen de: US2025309395A1
A battery includes: a plurality of thermal management components disposed at intervals along a first direction; at least one battery cell group, each battery cell group being disposed between two adjacent thermal management components; where each battery cell group includes a plurality of battery cells arranged along a second direction perpendicular to the first direction, and a first heat exchange cavity configured to accommodate the heat exchange medium is disposed inside each of the thermal management components so that temperatures of the battery cells are adjusted by using the thermal management component; and a bottom plate disposed on a side of the plurality of thermal management components along a third direction and connected with at least one thermal management component, where the first direction, the second direction, and the third direction are perpendicular to each other.
Resumen de: US2025309400A1
The present disclosure relates to a current collector system and a liquid colling system, including at least two current collectors. Each of the current collectors includes a current collector housing, provided with a liquid cavity for liquid circulation, a side of the liquid cavity being provided with an open current collector connection port; a current collector primary flow channel, penetrating through the current collector housing, in which the current collector primary flow channel of each of the at least two current collectors is connected in series with each other; and a flow hole, provided between the liquid cavity and the current collector primary flow channel to allow the current collector primary flow channel to be in communication with the liquid cavity. A diameter of the flow hole of each of the at least two current collectors is not equal.
Resumen de: US2025309397A1
A battery includes a cell stack having a rectangular parallelepiped shape in which a plurality of rectangular cells with terminals disposed on both end faces in a longitudinal direction thereof are stacked on one another, and a case configured to house the cell stack therein. The cell stack includes a metal binding member configured to bind each of lower ends in the longitudinal direction of the plurality of rectangular cells, and the binding member is fixed to the case by a thermally conductive adhesive.
Resumen de: WO2025200220A1
Provided is a current collector stamping and welding production line, comprising: a stamping device (9), a first feeding device (2), a second feeding device (3), a welding device (1) and a sorting device (5); the stamping device (9) is used for blanking current collectors, feeding the current collectors onto a current collector supporting assembly (7), and sorting the current collectors; the first feeding device (2) is used for feeding sorted qualified current collectors to the welding device (1); the second feeding device (3) is used for feeding battery cells to the welding device (1); the welding device (1) is used for welding the current collectors to the top surfaces of the battery cells; the sorting device (5) is used for sorting the welded battery cells, so as to remove unqualified products. The present application forms and feeds the current collectors, separates same from the current collector supporting assembly (7), welds same to battery cell tops, tests the quality of the welded battery cells, implements compact arrangement of the devices, and involves short material transfer paths, thus improving battery cell production efficiency.
Resumen de: WO2025200373A1
A cover plate assembly of a battery cell, a battery cell, a battery assembly, and an electric device. The cover plate assembly (2000) of the battery cell (1000) comprises a cover plate body (210) and at least one explosion-proof valve (700), wherein the outer peripheral wall of the cover plate body (210) is adapted to be connected to a shell (300) of the battery cell (1000); and the at least one explosion-proof valve (700) is arranged on the cover plate body (210), and the minimum spacing between the at least one explosion-proof valve (700) and the outer peripheral wall of the cover plate body (210) ranges from 0.5 mm to 3.05 mm.
Resumen de: WO2025205673A1
A negative electrode active material comprising a graphite powder (A) and a Si/C powder that includes Si-C composite particles including silicon and a carbon material, wherein the value of DA/DSiC is 3.20 or less, where DA and DSiC are the respective median diameters D50 in a volume-frequency particle size distribution of the graphite powder (A) and the Si/C powder based on a laser diffraction scattering method.
Resumen de: WO2025200218A1
Provided in the present application are a battery case, a battery and an electrical device. The battery case is used for accommodating a battery. The battery comprises a plurality of battery cells and a connector for electrically connecting the battery cells. The battery case comprises a plurality of side beams which are connected end to end and enclose to form an accommodating cavity. At least one side beam has a recessed portion formed on the side surface facing the accommodating cavity by being recessed away from the side of the accommodating cavity. Thus, when the plurality of battery cells are electrically connected by means of the connector, the connector can at least partially pass through the inside of the recessed portion, such that, by means of the recessed portion, a rate of space utilization in the battery case is improved, the arrangement of the connector is achieved, and the impact of an increase in the size of the side beams on the internal structure of the battery is thereby reduced, improving the battery performance.
Resumen de: WO2025200484A1
A battery, an electrical system, and an energy storage system. The battery comprises: an electrolyte, the electrolyte comprising lithium hexafluorophosphate and lithium bisfluorosulfonyl imide, and the mass ratio in the electrolyte of lithium hexafluorophosphate to lithium bisfluorosulfonyl imide being γ; and a positive electrode plate, the positive electrode plate being at least partially immersed in the electrolyte, and the positive electrode plate comprising a positive electrode current collector and a positive electrode active layer. The positive electrode active layer is disposed on a surface of the positive electrode current collector, and the positive electrode active layer comprises a positive electrode active material and a carbon material, the mass fraction of the carbon material in the positive electrode active layer being B. The battery satisfies the relational expression: 1.31 wt% ≤ γB ≤ 10.74 wt%. The present battery has high dynamic performance and safety performance.
Resumen de: WO2025201079A1
Disclosed in the present application are a secondary battery and an electronic device. The secondary battery comprises an electrode assembly, a pouch and an insulating adhesive, wherein the pouch comprises a main body portion and a first side sealed edge. The main body portion accommodates the electrode assembly, and comprises a first side wall and a second side wall, which are arranged in the direction of thickness of the secondary battery. The first side sealed edge comprises a first connection portion and a second connection portion, which are arranged in sequence, wherein the first connection portion is connected to the main body portion; the second connection portion is bent towards the main body portion relative to the first connection portion; and an included angle θ is formed between the first connection portion and the first side wall, and meets 0°＜θ＜90°. The thickness of the main body portion is smaller than the width of the first connection portion; and the insulating adhesive covers the end of the second connection portion that faces the main body portion, and the insulating adhesive bonds the first connection portion to the second connection portion, and also bonds the second connection portion to the main body portion. The secondary battery of the present application is conductive to improving energy density, and is conductive to reducing the risk of deformation of the first side sealed edge while the end of the second connection portion is sealed.
Resumen de: WO2025203816A1
The present invention is for stably manufacturing a joined body that constitutes a part of a battery using Na for a positive electrode and/or a negative electrode and that has excellent durability and corrosion resistance. Provided is a manufacturing method for a joined body, the method including solid-phase bonding of a ceramic component for insulating between the positive electrode and the negative electrode of the battery and a metal component on the positive-electrode side or the negative-electrode side via an Al-Si alloy-based brazing material. The solid-phase bonding includes: a step for heating, without pressurizing, a laminated part that includes the ceramic component, the Al-Si alloy-based brazing material, and a joined part of the metal component in this order, under a predetermined high vacuum atmosphere, such that the temperature of the Al-Si alloy-based brazing material rises to a prescribed holding temperature range; a step for applying a high pressure to the laminated part for a prescribed time in the lamination direction while keeping the temperature of the Al-Si alloy-based brazing material in the holding temperature range; and a step for cooling the laminated part such that the temperature of the Al-Si alloy-based brazing material falls within a prescribed time from the holding temperature range to the room temperature after the pressurization to the laminated part is stopped.
Resumen de: US2025309333A1
A nonaqueous electrolyte solution includes a nonaqueous solvent and a lithium salt. The nonaqueous electrolyte solution comprises a specific amount of ethylene carbonate, propylene carbonate, 1,2,3-tris(2-cyanoethoxy)propane, and a boron-containing lithium salt additive. An aggregate mass percentage of the ethylene carbonate and the 1,2,3-tris(2-cyanoethoxy)propane in the nonaqueous electrolyte solution is set to fall within a specific range. An aggregate mass percentage of the propylene carbonate and the boron-containing lithium salt additive is set to fall within a specific range. The nonaqueous electrolyte solution put into use not only alleviates the volume resistance of the positive electrode and the lithium plating on the negative electrode of the lithium-ion battery, but also enables the battery to well exert high-temperature cycling performance at 65° C. or above and low-temperature output performance at −20° C. or below in a balanced way.
Resumen de: US2025309320A1
An inspection in the manufacture of modules or pre-stages of modules, comprising providing a separated anode/cathode layer at a pick-up location; conveying a stacking apparatus to the pick-up location; picking up the anode/cathode layer from the pick-up location by the stacking apparatus; detecting the position and/or orientation of the anode/cathode layer; transporting the anode/cathode layer to a stacking location by the stacking apparatus; aligning the stacking apparatus with the transported anode/cathode layer relative to the stacking location; and stacking the transported anode/cathode layer at the stacking location.
Resumen de: US2025309322A1
A module pressurization device includes a conveying line, a pressurization apparatus, and a control apparatus. The conveying line passes through a pressurization station and is configured to convey a battery module. The pressurization apparatus is arranged corresponding to the pressurization station and includes a jacking and supporting mechanism and a pressurization mechanism which are opposite in a first direction. The jacking and supporting mechanism is provided with a plurality of jacking and supporting portions configured to move in the first direction, arranged in a second direction, and configured to jack and support the heat dissipation plate. The pressurization mechanism is configured to compress the battery module. The control apparatus is electrically connected to the jacking and supporting mechanism and the pressurization mechanism so as to control the jacking and supporting mechanism and the pressurization mechanism to act.
Resumen de: US2025309323A1
A method for forming electrochemical cells of electrical batteries. The method comprises preparing a coil comprising a winding of a first separator sheet, a coil comprising a winding of a first electrode sheet, a coil comprising a winding of a second separator sheet and a coil comprising a winding of a second electrode sheet. The sheets are fed towards a movable conveyor by unwinding them from respective coils. A plurality of multi-layer strips is formed, each one comprising a first layer of said first separator sheet, a second layer of said first electrode sheet overlapped to said first layer, a third layer of said second separator sheet overlapped to said second layer and a fourth layer of said second electrode sheet overlapped to said third layer. Each multi-layer strip is fed to a respective winding device by said conveyor and each multi-layer strip is wound onto the respective winding device.
Resumen de: US2025309318A1
A battery is charged and discharged during a battery manufacturing formation process according to a current and voltage profile. The duration of the charging at a high voltage level is maintained for an extended time period, thereby saturating a solid electrolyte interface (SEI) during the formation process and reducing a swelling of the battery.
Resumen de: WO2025200362A1
A conductive agent, comprising mesopores and micropores, the pore diameter of the mesopores being 2-50 nm, and the pore diameter of the micropores being less than 2 nm. The conductive agent is used for a lithium ion battery; the conductive agent comprises the micropores and the mesopores; the micropores and the mesopores provide a storage area for an electrolyte; when the swelling force of a battery cell is increased, the electrolyte is infiltrated into a pore channel; and when the swelling force is reduced, the electrolyte flows out of the pore channel.
Resumen de: WO2025205659A1
The present invention addresses the problem of further suppressing the production of hydrogen sulfide while keeping the ion conductivity of a solid electrolyte high. A solid electrolyte according to the present invention includes lithium (Li), phosphorous (P), sulfur (S), a halogen (X), and nitrogen (N). The nitrogen (N) is observed at the surface of the solid electrolyte by X-ray photoelectron spectroscopy. Ideally, the value of a semiquantitative value for the nitrogen (N) relative to the total of semiquantitative values for the lithium (Li), the phosphorous (P), the sulfur (S), and the halogen (X) at a sputtering time of 0 min as measured by x-ray photoelectron spectroscopy is at least 0.003.
Resumen de: WO2025200227A1
The application discloses a control method of a coating device and the coating device. The control method comprises: controlling a positioning apparatus to perform initial positioning on a piece to be coated, wherein the piece to be coated has a first direction and a second direction and comprises two main faces and two end faces. Controlling two coating apparatuses to perform initial positioning on a coating film, wherein the coating film comprises a connecting area and two main coating areas, the two main coating areas are spaced apart in a first direction, and the connecting area is connected between the two main coating areas and is opposite to the first of the two end faces in a second direction. The two coating apparatuses respectively fix the corresponding main coating areas and each comprises a transmission mechanism used for transmitting the main coating area. Using a virtual axis for controlling the corresponding transmission mechanisms in the two coating apparatuses to synchronously move, so that the connecting area covers the first of the two end faces, and the two main coating areas respectively coat the corresponding one of the two main surfaces. The described solution can improve the reliability and precision of the coating action of the coating device.
Resumen de: WO2025203658A1
Disclosed is a method for manufacturing a battery module that comprises a stack in which a plurality of units are stacked, the plurality of units each comprising a first cell group and a second cell group, in each of which a plurality of cells extending in a first direction are arranged in a second direction that is orthogonal to the first direction, and a temperature control plate that is disposed between the first cell group and the second cell group and extends in the second direction. The method includes: filling a gap of the stack with a first filler and curing the first filler; and filling at least a gap between the cells with a second filler before filling the first filler in the manufacturing process of the battery module.
Resumen de: WO2025204388A1
The present disclosure addresses the problem of providing a laminated film that is used as an exterior body of a solid-state battery and that is capable of achieving preferable heat dissipation. One embodiment for solving the problem is a laminated film used as an exterior body of a solid-state battery. The laminated film has at least a metal layer and an inner resin layer, and the metal layer has the thickness at least twice the thickness of the inner resin layer.
Resumen de: WO2025200207A1
A secondary battery and an electrical device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and a separator arranged between the negative electrode sheet and the positive electrode sheet, the separator comprises a base membrane and adhesive particles located on at least one side of the base membrane, and the compression deformation rate of the adhesive particles under the pressure of 5 MPa at normal temperature is smaller than or equal to 40%.
Resumen de: WO2025200772A1
Provided are a battery and an electrical device. The battery comprises a case, a plurality of battery cells, a first fixing member and a restraining member. The case comprises a first beam and a second beam which are arranged opposite each other in a first direction. The plurality of battery cells are accommodated in the case and arranged between the first beam and the second beam. At least part of the first fixing member is embedded into the first beam and is fixed to the first beam. The restraining member is connected to the first fixing member and the second beam. When a battery cell expands, the restraining member can provide restraining force for the first beam and the second beam, and deformation of the first beam and the second beam under the action of expansion force is reduced, thereby limiting the expansion amount of the battery cell, and improving the cycle performance of the battery cell.
Resumen de: WO2025200478A1
The present invention relates to the technical field of batteries. Disclosed are a carbon material, a preparation method therefor and the use thereof, and a sodium ion battery. The R1 value of the carbon material provided by the present invention is 0.19-0.3, preferably 0.22-0.25; I002 is the peak intensity of the (002) peak in the XRD pattern of the carbon material, I002,G is the peak intensity of the (002) peak of internal standard graphite in the XRD pattern, and the weight ratio of the carbon material to the graphite during test is 1:10. The carbon material provided by the present invention has a remarkably improved proportion of slope capacity, and slope sections have fast ion transport kinetics and high potential, thus facilitating improvement of rate capacity and cycle performance.
Nº publicación: WO2025200205A1 02/10/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2025200205A1
Provided are an end cover assembly (23) for a battery cell (20), the battery cell (20), a battery (10), and an electric device, capable of realizing the connection between an end cover (231) and an insulating member (232) at low costs. The end cover assembly (23) comprises: the end cover (231); the insulating member (232) provided on the side of the end cover (231) facing the interior of the battery cell (20) and used for isolating the end cover (231) from an electrode assembly (21) inside the battery cell (20); and a connecting member (233) provided between the end cover (231) and the insulating member (232) to be connected to the end cover (231) and the insulating member (232).
BOPI
Sede Electrónica
