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1133
resultados
Última actualización
04/09/2024 [08:11:00]
Resultados 1000 a 1025 de 1133
Resumen de: CN118104055A
A wire harness assembly (200) for a battery module (110) of an electric vehicle (1000) is disclosed, the battery module including first and second opposing end faces (102, 104) and a side portion (106) therebetween. The wire harness assembly includes: a conductive track (202) configured to be positioned along a side of the battery module; a temperature sensor (210a to 210d) electrically connected to the track; and a harness clip (204, 206) configured to secure the track to the battery module and maintain the temperature sensor in contact with a cell (120) of the battery module. A wire harness (220) is also disclosed, the wire harness (220) comprising: a primary track (202) comprising a printed electrical conductor and configured to be positioned along a side of a battery module; and a branch track (602) comprising a printed electrical conductor, the branch track (602) electrically connected to the electrical conductor of the main track (202) and configured to fold to position the branch track (602) at least partially at a second side of the battery module different from the first side.
Resumen de: WO2023062230A1
Disclosed herein are examples of a voltage measurement connector (100) for a battery module (400) of an electric vehicle (700). The voltage measurement connector (100) comprises a conductive sheet shaped to provide: a flat central panel (102) providing a pair of guide edges (104a, 104b) along opposite sides of the central panel and a clip end (106) between the pair of guide edges; a resilient clip portion (112) located at the clip end, the resilient clip portion configured to fit over an end of a connection tab of a module busbar of a battery module in resilient gripping engagement therewith; and a pair of guide tabs (110a, 110b), each of the pair of guide tabs located at a respective guide edge of the pair of guide edges, the pair of guide tabs configured to be located along opposite edges of the connection tab and, in use, guide the voltage measurement connector (100) into resilient gripping engagement with the connection tab via the resilient clip portion (112).
Resumen de: WO2023061795A1
The present invention relates to an electrochemical element comprising a container comprising an electrochemical bundle, said electrochemical bundle being in the form of a spiral consisting of the following stack rolled up: a positive electrode comprising an active material selected from among SOCl2, SO2, SO2Cl; CFx where x ≤ 1.5; MnO2, FeS2, V2O5, I2, Bi2O3, Bi2Pb2O5, CuCl2, CuF2, CuO, Cu4O(PO4)2, CuS, FeS, MoO3, Ni3S2, AgCl, Ag2CrO4, V2O5, SVO, MO6S8, and a mixture of a plurality thereof; a separator; a negative electrode comprising an active material made of lithium metal or of a lithium-based alloy; characterized in that the outer face of the spiral, facing the container, is formed by the positive electrode; and in that a sheet of lithium or of a lithium-based alloy at least partially covers the inner face of the container.
Resumen de: CN118120098A
The invention relates to a method for cooling a battery (12) of a motor vehicle (30), comprising a plurality of cells (10, 10a, 10b), by means of a cooling device (14), through which a cooling medium can flow, as part of at least one cooling circuit (24) through which the cooling medium can flow, said cooling circuit comprising at least one cooling medium pump (26), the cooling medium pump circulates a cooling medium located in at least one cooling circuit (24) in the cooling circuit (24) in an activated state (a). In this case, the control device (40) controls the at least one cooling medium pump (26) on the basis of a detection (D) of a fault situation (F) that is dependent on a thermal runaway of at least one of the cells (10, 10a, 10b), such that, upon detection of the fault situation (F), the at least one cooling medium pump (26) is activated or the at least one cooling medium pump (26) continues to operate in the activated state.
Resumen de: EP4418443A1
An immersion-cooled battery module according to one aspect of the present disclosure includes a battery assembly including a plurality of battery units; a module case extending in a first direction, having an opening at least at one end in the first direction, and accommodating the battery assembly and a cooling liquid in an internal space connected to the opening; and a sealing cover airtightly covering the opening.
Resumen de: EP4418425A1
A transporting device for transporting a pouch battery cell filled with electrolyte, wherein by including a vertical guide for supporting the pouch cell, a gripper for fixing the surface of the pouch cell by the weight of the pouch cell, and a pressurizing part for controlling the fluid motion of the electrolyte injected therein, the transporting device has the advantage that the fluid motion of the electrolyte can be reduced during transportation of the pouch cell, and has an excellent effect of improving the phenomena of interfacial delamination of the electrode and the separator, folding phenomenon of the separator, and the like.
Resumen de: EP4418343A1
A lithium metal negative electrode secondary battery (100) comprises a positive electrode (10), a separator (30), a negative electrode (20), and an electrolyte solution. The electrolyte solution includes Li ions. The separator (30) is interposed between the positive electrode (10) and the negative electrode (20). The negative electrode (20) includes a negative electrode base material (21) and a covering layer (22). The covering layer (22) covers at least part of a surface of the negative electrode base material (21). The covering layer (22) includes a Li-ion conductor. The Li-ion conductor has a Li-ion conductivity from 1.0×10<sup>-13</sup> to 2.0×10<sup>-9</sup> S/cm.
Resumen de: EP4418413A1
An electric storage device is provided in which an enhancement of a space efficiency and an increase suppression of an electric resistance are compatibly implemented. The electric storage device of the present disclosure includes a case including an exterior package having a first surface formed in a wide width rectangular shape, having a pair of opposed second surfaces, having a pair of opposed third surfaces, and having an opening, and including a sealing plate configured to seal the opening and formed in a wide width rectangular shape. A positive electrode and a negative electrode include plural tabs protruding at one of end parts in a winding axis direction of the electrode body, and include a penetration hole at one surface of the second surface, a terminal is inserted into a penetration hole, wide width surfaces of the electrode body respectively face to the sealing plate and to the first surface, the tab is arranged inside the case to face to the second surface, and a metaljoint configured to connect the terminal and the tab is provided.
Resumen de: EP4418342A1
A non-aqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, and a separator, wherein the positive electrode includes a positive electrode active material layer, the positive electrode active material layer includes a positive electrode active material having a layered structure, the positive electrode active material is in the form of secondary particles, the secondary particles have an average particle size of 8.0 µm or more, and a ratio of a DBP oil absorption number of the secondary particles to a BET specific surface area of the secondary particles is 0.3 or more.
Resumen de: EP4418445A1
Embodiments of the present application provide a battery cell, a battery, an electrical device, and a method and device for manufacturing a battery cell. The battery cell comprises: a housing having an accommodating cavity, the housing having a first wall, and the first wall being provided with a liquid injection hole; an electrode assembly accommodated in the accommodating cavity; a flow guide piece arranged between the first wall and the electrode assembly, the flow guide piece being provided with a liquid accumulation groove, an opening of the liquid accumulation groove facing the first wall; a bottom wall of the liquid accumulation groove is provided with a through hole, the liquid accumulation groove is used for collecting an electrolyte injected through the liquid injection hole, and the electrolyte in the liquid accumulation groove flows through the through hole towards the electrode assembly. The battery cell, battery, electrical device and method and device for manufacturing the battery cell of the embodiments of the present application allow for increasing the infiltration efficiency and the infiltration effect of a battery cell.
Resumen de: EP4417721A1
A method for producing a cobalt solution by removing magnesium ions from a cobalt-containing solution obtained by subjecting battery powder resulting from lithium ion battery waste to at least a leaching process, the cobalt-containing solution containing magnesium ions, wherein the method includes: a magnesium separation step of extracting cobalt ions from the cobalt-containing solution using a solvent containing a carboxylic acid-based extracting agent to separate the magnesium ions, and then stripping the cobalt ions from the solvent to obtain the cobalt solution as a stripped solution.
Resumen de: EP4418368A1
This application relates to a positive electrode material plate and a preparation method thereof, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode material plate includes: an electrode plate substrate and a coating layer arranged on a surface of the electrode plate substrate. The electrode plate substrate includes a compound of formula I: LiNixCoyM1-x-yO2 (formula I), where 0.6 ≤ x < 1, 0 ≤ y ≤ 0.2, and M is at least one of Mn, Al, Ti, Zr, Mg, W, and Mo; and the coating layer is a three-dimensional network lithium phosphate layer with a thickness of 12 nm to 13 nm, and a percentage of lithium phosphate is 20% to 30%. In this application, a three-dimensional network lithium phosphate protective layer is formed on a surface of the positive electrode material plate, which effectively protects the active material from side reactions with an electrolyte. In addition, the three-dimensional network structure can ensure rapid transport of lithium ions on the surface of the electrode plate, thus improving the electrochemical performance of the lithium-ion battery.
Resumen de: EP4418430A1
The present application discloses a battery pack, a battery pack box group, an electrical apparatus, and an electricity storage cabinet. The battery pack includes a battery box, a battery module, a sampling wire and a low-voltage connector; the battery box is provided with an accommodating space for accommodating the battery module and a box sealing structure; the battery module is provided with a battery positive terminal post and a battery negative terminal post; and the battery positive terminal post and the battery negative terminal post of the battery module are connected with the low-voltage connector through the sampling wire for sampling the battery pack. The embodiment of the present application can increase a rotation speed of a wiping apparatus to improve cleaning efficiency, and can prevent a cleaning belt from cross-contaminating a battery.
Resumen de: EP4418386A1
The present disclosure provides a square housing battery coating device compatible with a plurality of coating manners. The device may be configured to perform a battery coating in a U-shaped coating manner or a hollow-square-shaped coating manner. The device may include a machine station, a pushing device, a feeding device, a film releasing device, a film sending device, a film adhering device, a transferring and positioning device, an edge cutting device, and a folding and adhering device. The device may be configured to form a U-shaped coating battery by first paving an insulating film on a bottom side, a left side, and a right side of the battery input with the bottom side facing forward using the U-shaped coating manner, or form a hollow-square-shaped coating battery by first paving the insulating film on a front side, the left side, and the right side, and folding and adhering the back side of the battery input with the front side facing forward using the hollow-square-shaped coating manner. An edge cutting mechanism of the edge cutting device, and a folding and adhering mechanism of the folding and adhering device may be fixed directly or fixed through replacement above the transferring and positioning device, so as to continue to finish the edge cutting of the U-shaped coating manner and the folding and adhering of the U-shaped coating manner, or the edge cutting of the hollow-square-shaped coating manner and the folding and adhering of the hollow-square-shaped coatin
Resumen de: EP4418353A1
The present technology relates to a magnetic alignment device for negative electrode and method for manufacturing negative electrode using the same. The magnetic alignment device can measure the loading amount of the negative electrode slurry applied on the negative electrode collector in real time and can easily control the intensity of the magnetic field by adjusting the separation distance of the magnet portion according to the measured negative electrode slurry loading amount, and has an advantage of uniformly high alignment degree of the crystal faces of the carbon-based negative electrode active material contained in prepared negative electrode active layer.
Resumen de: EP4418435A1
An example apparatus, method, and computer program product for detecting thermal runaway in a battery pack are provided. The example apparatus may include a membrane, a light source, and a light sensing diode, disposed within a vent housing. In some embodiments, the membrane may be positioned between a battery compartment, including a battery cell, and an external environment. In some embodiments, the light source and the light sensing diode may be on opposite sides of the membrane. In an instance in which a pressure within the battery compartment exceeds a maximum internal pressure such that the membrane is ruptured, the light sensing diode may receive light from the light source. In some embodiments, receiving light from the light source at the light sensing diode may be an indication of an onset of thermal runaway.
Resumen de: EP4418406A2
Battery packs 100, which may be used in vehicles 10, 20, are provided. One such battery pack 100 comprises: a plurality of battery cells 101; one or more flow control devices 140; and sensing and control circuitry 150 configured to: measure one or more parameters indicative of an onset of thermal runaway of one or more of the plurality of cells 101; determine, based on a change in one or more of the measured parameters, that one or more of the plurality of battery cells 101 has begun or is at risk of beginning thermal runaway; and activate one or more of the flow control devices 140 in response to the determination. Each of the one more flow control devices 140 is configured to, when activated, direct a flow of fluid 145 past one or more of the plurality of cells 101 to cool the cells 101 and/or carry media 130 vented by one or more of the cells 101 following a thermal runaway event away from the one or more cells 101.
Resumen de: EP4418423A1
Some embodiments of this application provide a battery cell, a battery cell manufacturing method and equipment, a battery, and an electrical device. The battery cell includes: a housing, where an opening is created at each of two ends of the housing in a first direction; an end cap, configured to cover the opening at either end of the housing; a first electrode assembly and a second electrode assembly, accommodated in the housing, where the first electrode assembly and the second electrode assembly are arranged along the first direction and insulated from each other; and an insulation structure, at least partially disposed between the first electrode assembly and the second electrode assembly, and configured to electrically isolate the first electrode assembly from the second electrode assembly. The foregoing technical solution achieves electrical isolation between adjacent electrode assemblies in a battery cell and enhances safety of the battery.
Resumen de: EP4418411A1
The present application discloses a thermal protection component, a battery, and an electric apparatus. The thermal protection component comprises a pipe body and joints; a flow channel for a cooling medium to flow is formed in the pipe body; a clamping component is provided on an inner wall of each joint; the clamping component is provided with a plurality of clamping end portions; the end portions of the pipe body are inserted into the joints; each clamping end portion extends into the interior of the pipe body; and a part of the pipe wall of the pipe body is inserted between each clamping end portion and the inner wall of the joint.
Resumen de: EP4418390A1
This application provides a separator and a preparation method thereof, a secondary battery, a battery module, a battery pack, and an electric apparatus. The separator provided in this application includes a separator substrate and a carbon layer on at least one surface of the separator substrate, where a functional group for improving surface infiltration is grafted onto a surface on a side, farther away from the separator substrate, of the carbon layer. In this application, providing the carbon layer on the surface of the separator substrate can increase the number and uniformity of grafted functional groups for improving surface infiltration, thereby reducing a contact angle of an electrolyte for the separator and improving an infiltration effect of the electrolyte on the separator. In addition, the carbon layer has a function of protecting the separator substrate, so that the separator substrate is unlikely to be damaged when the functional group for improving surface infiltration is grafted.
Resumen de: EP4418487A1
Embodiments of the present application provide a charging parameter adjustment method, a controller, a terminal device, and a storage medium. The method comprises: obtaining the current battery internal resistance of a battery and a level increment voltage between two adjacent stages of output level (S 100); according to the battery internal resistance and the level increment voltage, obtaining a parameter fluctuation amplitude of an electrical signal of a charging assembly under the level increment voltage (S200); obtaining a current electrical signal parameter of the charging assembly and a threshold parameter corresponding to the electrical signal parameter (S300); and obtaining a target output level of a charger according to the electrical signal parameter, the threshold parameter, and the parameter fluctuation amplitude, and adjusting the current output level of the charger to the target output level (S400).
Resumen de: EP4418434A1
SAME A battery module according to an embodiment of the present disclosure may include: a plurality of battery cells capable of being charged and discharged; a module case having an inner space surrounded by a plurality of surfaces and an opening leading to the inner space, and configured to accommodate the plurality of battery cells in the inner space; and an end cover configured to cover the opening of the module case, wherein the module case may include an open portion provided on a first surface among the plurality of surfaces and configured to be opened by gas generated from a battery accommodated in the inner space and discharge the gas in a direction away from the end cover.
Resumen de: EP4418358A1
The present specification provides a secondary battery comprising a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the negative electrode includes a negative electrode active material, the negative electrode active material includes a Si-based active material and a carbon-based active material, the positive electrode includes a Ni-based active material, and the Ni-based active material has a cobalt oxide layer on a portion of the surface of particles.
Resumen de: EP4418441A1
The present disclosure relates to a battery module comprising: an electrode assembly capable of storing and supplying electrical energy; a battery exterior material accommodating the electrode assembly therein; a first tab portion electrically connected to the electrode assembly and protruding out of the battery exterior material along a first direction; a second tab portion extending along a first direction in which the first tab portion protrudes from a free end of the first tab portion and provided with a different length from a predetermined length of the first tab portion, based on a second direction perpendicular to a surface provided with the largest area among surfaces of the battery exterior material disposed along the first direction; and a bus bar assembly surrounding the second tab portion and electrically connected to the electrode assembly.
Nº publicación: EP4418409A1 21/08/2024
Solicitante:
ROLLS ROYCE PLC [GB]
Rolls-Royce plc
Resumen de: EP4418409A1
Battery packs 100, which may be used in vehicles including aircraft 10, 20, are disclosed. One such battery pack 100 comprises: a plurality of cylindrical battery cells 101, each one of the plurality of cells 101 having a cylindrical outer cell wall 1010 that extends in a z-direction between opposed first and second ends of the cell 1011, 1012; a carrier structure 112 that locates the battery cells 101 relative to one another and arranges them in an array 1000 in an x-y plane perpendicular to the z-direction; and a plurality of barriers 102 for preventing propagation of thermal runaway between cells 101 of the array 1000, each one of the plurality of barriers 102 forming a barrier wall 1020 that surrounds a group of one or more of the cells 101. A gap is defined between the barrier wall 1020 of each respective barrier 102 and the outer cell wall 1010 of each of the respective one or more cells 101 enclosed by the respective barrier. The gap 103 may be sized to reduce a likelihood of a cell failure propagating to other cells 101 of the array 1000.
BOPI
Sede Electrónica
