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965
resultados
Última actualización
02/09/2025 [07:09:00]
Resultados 825 a 850 de 965
Resumen de: EP4604274A1
The present application relates to the technical field of batteries, and provides a battery and an electrical device. The battery comprises a battery pack, a first heat management component and a heat insulation member. The battery pack comprises a plurality of battery cells. In a first direction, the first heat management component is arranged on one side of the battery pack, and the first heat management component is configured to manage the temperature of the battery pack. In the first direction, the heat insulation member is arranged on the side of the first heat management component facing away from the battery pack. The heat insulation member is arranged on the first heat management component, and is located on the side of the first heat management component facing away from the battery pack in the first direction, so as to reduce heat exchange between the first heat management component and other components or the outside, such that the energy loss of the first heat management component can be reduced, thereby ensuring the heat management capability of the first heat management component on the battery cells; thus, the temperature of the battery cells can be effectively adjusted to reduce the temperature rise phenomenon of the battery cells, thereby improving the use performance of the battery and prolonging the service life of the battery.
Resumen de: EP4603786A1
A measuring jig for a battery module that includes a support for disposing across the battery module, a plurality of fastening parts for fastening with a measuring instrument, and fixing plates for connecting to the support and to support the measuring jig on the battery module.
Resumen de: EP4604218A1
The present application provides a polymer, electrode plate and related battery cell, battery and electrical device. The polymer satisfies: 5 ≤ m/n ≤ 1000, in which n represents a mass of the polymer, in grams, and m represents a mass, in grams, of the first substance that is obtained by steps of adding the polymer to a first solvent at a first temperature to form a polymer system, allowing the polymer system to stand for 8 hours at the first temperature and for ≥24 hours at a second temperature; and then filtering the polymer system through a 200-mesh screen, to obtain remains on the screen as the first substance and wherein the first temperature is higher than the second temperature. When polymer is applied to battery cells, it can improve the cycle performance of the battery cells.
Resumen de: EP4604195A1
An electrode plate includes a current collector (1), a first active layer (1021), a second active layer (1031) and a tab (2). The current collector (1) includes a first surface (11) and a second surface (12) which are disposed oppositely; the first surface (11) is provided with an uncoated foil region (101), the second surface (12) is provided with the first active layer (1021), The first surface (11) is further provided with a first another active material layer region (103), the first another active material layer region (103) is coated with the second active layer (1031); the second surface (12) is further provided with a second another active material layer region (104), the second another active material layer region (104) is coated with the second active layer (1031); and a porosity of the first active layer (1021) is greater than a porosity of the second active layer (1031).
Resumen de: EP4604258A1
The present application relates to an energy storage system and a management method therefor. The energy storage system includes a battery system, a battery management system, and an energy storage converter, the battery system includes a plurality of battery clusters, the battery management system includes a plurality of cluster-level battery management units, the plurality of cluster-level battery management units are communicatively connected to each other, the cluster-level battery management units are connected to the battery clusters in a one-to-one correspondence mode, the energy storage converter is connected to the plurality of battery clusters, and the energy storage converter is communicatively connected to at least one of the cluster-level battery management units. The energy storage system provided by the present application can save hardware costs.
Resumen de: US2024128783A1
A system and method for using unrecoverable energy in a battery cell is disclosed in this application. A system includes a battery cell, the battery cell includes an excess amount of cathode or anode that can function as half cells in an emergency. A user, such as a pilot, can command a controller to utilize unrecoverable energy based on battery data presented to the user.
Resumen de: US2024120473A1
Electrochemical cells and methods of preventing overheating of the same are disclosed. An electrochemical cell may include a cathode and an anode. The anode may include a lithium alloy. The anode may be configured to reduce a maximum rate of ion transfer between the anode and the cathode in response to an occurrence of a fault condition. The lithium alloy may comprise at least 70 weight percent lithium to 99 weight percent lithium.
Resumen de: WO2024079421A2
A microstructured substrate comprising a main body and a plurality of elongated elementary microstructures extending from the main body, wherein the microstructured substrate comprises a plurality of nanowires positioned on at least one area of the surface of the main body and on the surface of the elementary microstructures that extend from the main body over said area.
Resumen de: EP4604268A1
The embodiments of the present application relate to the technical field of batteries. Provided are a battery and an electric device. The battery comprises a battery cell and a thermal management component, wherein the battery cell comprises a first surface and a second surface, and the thermal management component comprises a first thermal management component and a second thermal management component. The first thermal management component is arranged on the first surface, and the first thermal management component is configured to adjust the temperature of the battery cell. The second thermal management component is arranged on the second surface, and the second thermal management component is configured to adjust the temperature of the battery cell. The first thermal management component and the second thermal management component jointly adjust the temperature of the battery cell, such that the temperature adjustment efficiency of the battery cell is improved
Resumen de: EP4603518A1
This application relates to a polymer, a conductive slurry, a positive electrode plate, a secondary battery, and an electric apparatus. The polymer includes a structural unit represented by formula (1) and structural unit(s) represented by formula (2), where in formula (2), R1, R2, and R3 are each independently selected from a hydrogen atom, a halogen atom, or a substituted or unsubstituted C1-C10 alkyl group. The polymer in embodiments of this application exhibits improved dispersion performance. When the polymer is applied in a secondary battery, especially in the preparation of a conductive slurry, it can act as a dispersant, making the particles in the slurry less likely to agglomerate and able to disperse evenly, thereby ensuring the electrochemical performance of the secondary battery.and
Resumen de: EP4604266A1
A heat exchanging assembly (100), a battery module (300), a battery (400), and an electrical device (500) are provided. The heat exchanging assembly (100) includes a heat exchanging plate (10). The heat exchanging plate (10) has a heat exchanging flow channel (11). The heat exchanging plate (10) has a discharge structure (12). The discharge structure (12) is configured to correspond to a pressure relief mechanism (201) of a battery cell (200). The heat exchanging flow channel (11) is arranged on at least one side of the discharge structure (12) in a width direction of the heat exchanging plate (10). The heat exchanging flow channel (11) is configured to exchange heat with the battery cell (200).
Resumen de: EP4603325A1
Disclosed in the present application are a battery self-heating system, an electrical device, and a vehicle. The battery self-heating system comprises a first battery, a second battery, a converter, a motor, a first switch device and a second switch device, the first battery and the second battery being connected through the first switch device, a negative electrode of the first battery and a negative electrode of the second battery being both connected to a first terminal of the converter, and the second switch device being arranged between the negative electrode of the first battery and the first terminal of the converter. One of a positive electrode of the first battery and a positive electrode of the second battery is connected to the motor, and the other one is connected to a second terminal of the converter. Thus, by means of controlling the motor and the converter, the first battery and the second battery can be alternately charged and discharged, and further self-heating of the first battery and the second battery can be performed by using oscillating current generated by alternate charging and discharging, so that compared with external heating, the present application can effectively raise heating efficiency, and does not need addition of an extra heating apparatus, thus achieving lower costs.
Resumen de: WO2024081684A2
Lithium-sulfur battery cathodes with a graded structure are provided and can include an actively electro-catalyzing and polysulfide-trapping system to improve sulfur utilization and capacity retention, as well as methods of fabricating the same and methods of using the same. The graded structure Li-S cathode can be prepared using economic and scalable synthesis and coating methods.
Resumen de: US2025260041A1
An apparatus for producing an electrode stack from electrode stack elements is provided. A stacking wheel has at least one stacking wheel disc, which can be rotationally driven about an axis of rotation and which has compartments for receiving the electrode stack elements. A stripper strips the electrode stack elements from the compartments during a rotation of the stacking wheel. A shelf is provided for the electrode stack elements stripped from the stacking wheel. A conveyor conveys the electrode stack elements into the compartments. The conveyor comprises a transfer device for transferring the electrode stack elements into the compartments and a feeding device for feeding the electrode stack elements to the transfer device. A method for producing an electrode stack using the apparatus is also provided.
Resumen de: CN120077489A
The present invention relates to a positive electrode active material for a solid state battery wherein the positive electrode active material comprises Li, M 'and oxygen wherein M' comprises Ti. The present inventors have surprisingly found that the positive electrode active material of the present invention significantly increases the cycle efficiency of the battery, in particular a sulfide solid state battery.
Resumen de: TW202430893A
According to an aspect of the present invention there is provided a cell assembly comprising: a cell; a cell enclosure configured to substantially surround the cell; and an optical sensor deployed within the cell in a location where a chemical environment is active to monitor at least one of temperature, strain and an acoustic signature, the optical sensor configured in use to receive a pulse of light and output a signal which is detectable with an optical monitor.
Resumen de: TW202433788A
According to an aspect of the present invention there is provided a cell assembly safety system comprising: a cell; a cell enclosure configured to hold the cell; and one or more sensors for monitoring characteristics of the cell to determine a safety value of the cell; wherein one of the one or more sensors comprises one or more acoustic sensors associated with the cell assembly and configured to sense one or more acoustic signatures representing respective electrochemical reactions in the cell.
Resumen de: EP4604213A1
The present invention relates to a positive electrode active material including: a lithium nickel-based transition metal oxide with a large particle diameter and a lithium nickel-based transition metal oxide with a small particle diameter, wherein the lithium nickel-based transition metal oxide with a large particle diameter is in the form of a secondary particle that is an aggregate of primary particles, and the lithium nickel-based transition metal oxide with a small particle diameter is in the form of at least one of a single particle formed of one nodule and a quasi-single particle that is a composite of 30 or less nodules, wherein the volume cumulative particle size distribution graph obtained from particle size analysis (PSD) of the positive electrode active material includes a peak PS on a side with the small particle size and a peak PL on a side with the large particle size, and wherein a B value derived from Equation 1 below is 4.0 to 17.0. The positive electrode active material is applied to a positive electrode to provide a lithium secondary battery in which the breakage of the positive electrode active material particles is suppressed, thereby improving lifespan and output characteristics, and reducing the amount of gas generated. B=Dmax−DL/DS−Dmin wherein Dmax is the maximum particle diameter of the positive electrode active material, Dmin is the minimum particle diameter of the positive electrode active material, DL is the median particle diameter of the pea
Resumen de: EP4604292A1
This application discloses a battery (100) and an electrical device, belonging to the technical field of batteries. The battery (100) includes a battery cell, a first box (10) and a second box (20), and the first box (10) includes a first end wall (11). The second box (20) and the first box (10) jointly enclose and form a closed space for accommodating the battery cell, the second box (20) includes a second end wall (21) and two third side walls (23), the second end wall (21) is disposed opposite to the first end wall (11) along a first direction (z), and the two third side walls (23) are disposed opposite to each other along a third direction (y) and connected to the second end wall (21). The third side wall (23) includes a third surface (230) facing the closed space, a fourth surface (231) facing away from the closed space and a second side surface (232) connecting the third surface (230) and the fourth surface (231); and the second side surface (232) includes a flat surface and a transition surface (2322) for hermetic connection with the first box (10), and the flat surface is connected to and smoothly transitions to the transition surface (2322). With this design, the battery (100) has higher hermeticity and reliability.
Resumen de: CN120019519A
Disclosed herein is a battery comprising: a positive current collector; a positive electrode; an electrolyte; wherein the electrolyte includes a solvent, wherein the solvent includes at least one of a fluorinated silicone and a lithium metal; and a metal current collector, where the metal current collector comprises lithium plated on the metal current collector, where a layer is coated over the lithium-plated metal current collector, where the layer comprises at least nitrogen and fluorine.
Resumen de: EP4604224A1
According to the present invention, as a usage time of a secondary battery increases, a deformable part may be deformed to suppress deformation near an end of a positive electrode, thereby preventing an adjacent separator from being damaged.In an electrode assembly having a structure, in which a first electrode sheet, a second electrode sheet, and a separator disposed between the first electrode sheet and the second electrode sheet are wound together according to the present invention, the first electrode sheet may include a deformable part disposed to be spaced a predetermined distance from one end of the second electrode sheet in a winding direction and having a shape that protrudes toward a central portion with respect to the wound state.
Resumen de: EP4603519A1
The present invention relates to: a copolymer a monomer unit comprising a heterocyclic structure of 2 to 6 carbon atoms containing at least one oxygen atom in an amount of 1% to 40% by weight, based on 100% by weight of the total weight of the copolymer; and core-shell particles, a slurry composition, a separator, and a secondary battery comprising same.
Resumen de: EP4604200A1
The present invention relates to a negative electrode for a lithium rechargeable battery and a lithium rechargeable battery including the same, which comprises a negative electrode active material including a natural graphite and a coating layer disposed on a surface of the natural graphite, and an area ratio of the orientation peak intensity of the XRD pattern (I110/I004) is 0.08 to 0.16 at a compressed density of 1.40 g/cc to 1.80 g/cc. By using the negative electrode of the present invention in a lithium rechargeable battery, the charge/output characteristics of the lithium rechargeable battery can be improved.
Resumen de: EP4603458A1
Provided are a lithium compound for recovering valuable metals and a method for recovering the same. The method for recovering a lithium compound for recovering valuable metals includes: preparing a battery, freezing and forcibly discharging the battery, crushing the battery, and heating the crushed battery material, wherein the heating is performed in a temperature range of 1,100 to 1,400°C, the heating is performed at a vacuum degree (LogP atm) in a range of -4 to 0, the lithium compound recovered by the heating includes impurities, and the impurities include 1.8 wt% or less (excluding 0 wt%) of Na, 0.06 wt% or less (excluding 0 wt%) of K, 0.62 wt% or less (excluding 0 wt%) of Ca, and 0.47 wt% or less (excluding 0 wt%) of Mg, in % by weight.
Nº publicación: EP4602663A2 20/08/2025
Solicitante:
I M A INDUSTRIA MACCH AUTOMATICHE S P A IN SIGLA IMA S P A [IT]
I.M.A. INDUSTRIA MACCHINE AUTOMATICHE S.P.A. IN SIGLA IMA S.P.A
Resumen de: CN119856305A
A method of filling a container (C) of an electrochemical cell (302) with an electrolyte, the method comprising the steps of: providing a plurality of filling cells (2) and filling with an electrolyte; subsequently coupling each filling unit (2) to a respective one of said containers (C), thereby forming an integral assembly (4) for transferring electrolyte from the filling unit (2) to the container (C) to which it is coupled; the electrolyte is then transferred from the filling units (2) to the container (C) to which it is coupled, and each filling unit (2) is subsequently separated from the respective container (C) with which it has formed an integral assembly (4), wherein a step of coupling and separating between the filling unit (2) and the container (C) is carried out inside a conditioning chamber (116, 116 ') delimited by walls separating the interior environment of the conditioning chamber (116, 116') from the exterior environment of the conditioning chamber (116, 116 '), the pressure and/or humidity conditions of the interior environment of the conditioning chamber (116, 116') being different from the exterior environment, and wherein the step of transferring the electrolyte from the filling unit (2) to the container (C) to which it is coupled occurs at least partially in the environment outside the conditioning chamber (116, 116 ').
BOPI
Sede Electrónica
