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557
results.
Updated on
02/04/2026 [06:49:00]
Absstract of: CN121127392A
A method (500) performed by an electric vehicle controller (210) in which a vehicle (100) has a plurality of battery packs (110a, 110b, 110c, 110d), each having its own heating device (230) to individually adjust the respective battery pack temperature. The method (500) includes detecting when a temperature of the battery pack (110a, 110b, 110c, 110d) falls below a specified lower threshold level. Upon detection, the heating device (230) is allowed to provide heat to a different first set (105) of battery packs while not allowed to provide heat to a separate second set (107) of battery packs. This selective heating strategy occurs when it is found that the battery temperature is below the lower threshold level. A corresponding controller (210) and an electric vehicle (100) are also described.
Absstract of: EP4712191A1
The present disclosure relates to a compound for an electrolyte solution, a compound for an electrolyte solution additive, an electrolyte solution material, an electrolyte solution additive, an electrolyte solution for a secondary battery, and a secondary battery, and provides an electrolyte solution for a secondary battery, including a novel compound, or an isomer thereof.
Absstract of: EP4712190A1
The present disclosure relates to a compound for an electrolyte solution, a compound for an electrolyte solution additive, an electrolyte solution material, an electrolyte solution additive, an electrolyte solution for a secondary battery, and a secondary battery, and provides an electrolyte solution for a secondary battery, including a novel compound, or an isomer thereof.
Absstract of: CN120958625A
A secondary energy storage element (100) includes, as electrodes, a cathode (108) and an anode (105), which are parts of an assembly (104), which are separated by a separator or a solid electrolyte layer (116), and which are arranged in the assembly in the order of cathode (108)/separator or solid electrolyte layer (116)/anode (105). The cathode (108) comprises a cathode current collector (109) and a positive electrode material (110), and the anode (105) comprises an anode current collector (106) and a negative electrode material (107). The cathode current collector (109) has a main region loaded with a layer of positive electrode material (110) on both sides and a free edge strip (109b) extending along an edge of the cathode current collector (109) and not loaded with the positive electrode material (110). Alternatively or simultaneously, the anode current collector (106) has a main region loaded with a layer of negative electrode material (107) on both sides and a free edge strip (106b) extending along an edge of the anode current collector (106) and not loaded with the negative electrode material (107). The cathode (108) and the anode (105) are formed and/or arranged in the fitting (104) in such a way that a free edge strip (109b) of the cathode current collector (109) protrudes from one side (104b) of the fitting (104) and/or a free edge strip (106b) of the anode current collector (106) protrudes from the other side (104a) of the fitting (104). The energy storage element
Absstract of: EP4710776A1
The present invention provides a skin formation module comprising: a drum that is rotatably installed; a heating unit for supplying heat to the drum; and a batter spray unit for spraying batter onto the outer circumferential surface of the drum. The present invention also provides a spring roll manufacturing apparatus including the skin formation module, a cutting module, a powder module, a stuffing module, a folding module, a rolling module, and a conveyor belt that passes through each module.
Absstract of: EP4712165A1
The present invention relates to a silicon-carbon composite for a negative electrode material of a secondary battery and a method for manufacturing same and, more specifically, to a silicon-carbon composite for a negative electrode material of a secondary battery and a method for efficiently manufacturing the same, wherein when applied as a negative electrode material, the silicon-carbon composite for a negative electrode material of a secondary battery is capable of improving characteristics of a secondary battery by minimizing a volume change of silicon particles during charging and discharging processes of a secondary battery.
Absstract of: EP4711333A1
The present invention relates to a silicon-carbon composite for an anode material of a secondary battery and a method for manufacturing same and, more specifically, to a silicon-carbon composite for an anode material of a secondary battery and a method for manufacturing same, wherein when applied as an anode material, the silicon-carbon composite is capable of improving characteristics of a secondary battery by minimizing a volume change of silicon particles during charging and discharging processes of the secondary battery.
Absstract of: EP4712146A1
Disclosed are an electrode sheet machining apparatus having a plurality of detection members and an electrode sheet machining method using the same, and more particularly an electrode sheet machining apparatus including an unwinder unit configured to supply an electrode sheet, a notching unit configured to notch the electrode sheet, a drying unit configured to dry the notched electrode sheet, a rewinder unit configured to wind the dried electrode sheet, and a second detection member located between the drying unit and the rewinder unit, configured to inspect a state of the electrode sheet prior to winding, and an electrode sheet machining method using the same.
Absstract of: EP4712156A1
An electrode according to the present disclosure includes an active material, a solid electrolyte, and a conductive additive, in which a length of an interface of the conductive additive per unit area of a cross section of the electrode is greater than 0.58 µm/µm<sup>2</sup>.
Absstract of: CN121241467A
A metal-air battery equipped with a heat exchanger having air-side fins directly connected to a back plate and liquid-side fins thermally connected to the back plate. The liquid side fins receive the electrolyte from the overflow port and then direct the electrolyte into the electrolyte chamber. The liquid side cooling fins are composed of adjacent cooling fins which are arranged alternately, a certain angle (theta) is formed between the cooling fins, and gaps are formed between the cooling fins, so that electrolyte can flow on the adjacent cooling fins. The heat exchanger can perform degassing treatment on the electrolyte at the same time, and redundant heat is removed from the electrolyte.
Absstract of: EP4710787A1
The present application provides a control method for an aerosol generation apparatus, and an aerosol generation apparatus. The method comprises: acquiring an ambient temperature in the proximity of a battery cell; according to the ambient temperature, determining output power, which is provided for a heating assembly, of the battery cell; and outputting the output power to the heating assembly, so that the heating assembly reaches a preset preheating temperature, and then the electric capacity of the battery cell can maintain a preset number of aerosol products under the output power. The present application adjusts, according to the ambient temperature in the proximity of the battery cell, the output power outputted by the battery cell to the heating assembly, optimizes the output power of the battery cell according to the ambient temperature, and solves the technical problem that the output power of the battery cell is prone to being affected by the temperature.
Absstract of: EP4711653A1
Disclosed is a valve, comprising: a housing (1), the housing (1) being internally provided with a passage passing through the housing (1); an inner valve seat (2), the inner valve seat (2) being disposed in the passage and sealedly connected to the housing (1); a flange (3), the flange (3) being located at one end of the housing (1); a valve core (4), the valve core (4) being movably arranged in the passage and located on the side of the inner valve seat (2) away from the flange (3); and a driving member (5), wherein the driving member (5) passes through the housing (1), and drives the valve core (4) to move towards the flange (3) to press against the inner valve seat (2) to close the passage or drives the valve core (4) to be separated from the inner valve seat (2) to open the passage . When the valve is closed, the valve core (4) applies a pressing force towards a container to the inner valve seat (2), such that the sealing effect is better.
Absstract of: GB2644090A
There is an automated method (100 figure 1, 200 figure 6) of dispensing a compressible thixotropic thermal barrier material on to a vehicle part, the method comprising: conveying a first material to a mixing chamber (112 figure 4). Also conveying a second material to the mixing chamber so as to combine the first material and the second material to form the compressible thixotropic thermal barrier material in the mixing chamber. Subsequently activating a dispenser (114 figure 2) to dispense the thermal barrier material on to the vehicle part. The vehicle part may be a battery subassembly.
Absstract of: GB2643990A
An insulating jacket 2 for an automotive battery comprises a first part 6 for housing the automotive battery, wherein the first part comprises at least one magnet 40 for magnetically engaging magnetic material 42 to secure the jacket 2 adjacent the automotive battery. There may be projections 68 for fitting with slots (66, figure 3) of a second part 36 of the housing. There may be apertures 30 for a lead and flaps 32 to access the vehicle battery terminals. An assembly comprises a tray for supporting the car battery and an insulating jacket for covering the battery when supported by the tray; and wherein the second part is attached to the tray and the first part is removable from the tray when the magnets are disengaged.
Absstract of: EP4712167A1
The present application relates to a high entropy doped positive electrode material and production method and use thereof. The high entropy doped positive electrode material of the present application comprises a material represented by a chemical formula of LiNixCoyMnzBaMbO2, wherein 0.80≤x<0.98, 0
Absstract of: EP4712172A1
Disclosed is a composite substrate for a rechargeable lithium battery including a support layer having a first surface and a second surface that are opposite to each other, a first metal layer on the first surface, and a second metal layer on the second surface. The support layer includes a plurality of first through parts penetrating the first surface and spaced apart from each other along a first direction, and a plurality of second through parts penetrating the second surface and spaced apart from each other along the first direction. The plurality of first through parts and the plurality of second through parts are alternately disposed along the first direction, and the first direction is substantially parallel to the first surface.
Absstract of: EP4712229A1
A battery pack (1) includes: a plurality of battery modules (20) each including a plurality of battery cells (2) arranged in a first direction; and a case (40) that accommodates the plurality of battery modules (20), wherein the case (40) includes a case main body (43) having a bottom portion (41) and a side wall portion (42) that surrounds a periphery of the bottom portion (41), a cover body (44) that covers an opening (43a) of the case main body (43), and a partition plate (45) that partitions a battery module (20) disposed on the bottom portion (41) side and a battery module (20) disposed on the cover body (44) side, and by fixing the partition plate (45) to the side wall portion (42), one battery module (20) is disposed between the partition plate (45) and the bottom portion (41), and another battery module (20) is disposed between the partition plate (45) and the cover body (44).
Absstract of: EP4712163A1
The present application relates to a negative electrode active material, a method for manufacturing a negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode.
Absstract of: EP4712228A1
An energy storage system (ESS) includes a container to accommodate a plurality of battery modules, and an explosion-proof panel (200) arranged on one surface of the container (100) to seal the container. The explosion-proof panel (200) includes a gas tank (300) to release inert gas into the container when a pressure inside the container is lower than a pressure outside the container.
Absstract of: EP4712187A1
Disclosed herein relates to a secondary battery manufacturing apparatus including: a folding device configured to manufacture an electrode assembly, the electrode assembly comprising a plurality of unit cells stacked in a first direction and a separator sheet wound to cover an upper surface, a bottom surface, a first side, and a second side of each of the plurality of unit cells; a cutting device configured to cut a first side part of the separator sheet to form a first cutting region extending in a second direction on the separator sheet; and a taping device configured to attach a tape connecting two portions of the separator sheet separated by the first cutting region to the separator sheet.
Absstract of: EP4712201A1
A battery pack according to an embodiment of the present disclosure includes a pack frame mounting a plurality of battery modules; at least one venting unit on at least one side surface of the pack frame; and at least one sonic fire extinguisher on an upper portion of the pack frame, wherein the sonic fire extinguisher is configured to generate a low frequency in a direction toward the venting unit inside of the pack frame.
Absstract of: EP4712300A1
A battery management system (BMS) including a memory in which a resistance value of a wiring resistor of an electrical connection path between a battery cell and the BMS is stored, and a processor configured to measure a first cell voltage of the battery cell and to remove a voltage error due to the wiring resistor reflected in the measured first cell voltage based on the resistance value of the wiring resistor stored in the memory to estimate a second cell voltage that is an actual voltage of the battery cell.
Absstract of: EP4711789A1
A battery diagnosis apparatus includes an information obtaining unit configured to obtain current and voltage data of each of a plurality of battery cells and a controller configured to determine a target period based on a current of each of the plurality of battery cells, calculate at least one parameter value of an equivalent circuit model by using the voltage data of each of the plurality of battery cells, corresponding to the target period, and diagnose a state of each of the plurality of battery cells, based on the at least one parameter value.
Absstract of: EP4712303A1
A system for optimizing an operating state of a battery by using a cloud includes: a cloud unit configured to receive battery data; a first data collection unit configured to collect first data; a first data transmitter configured to transmit the first data to the cloud unit; a second data receiver configured to receive second data from the cloud unit; and a controller configured to control an operating state of a battery based on the second data and to perform any one of an update of first deterioration state information and an adjustment of a learning speed.
Nº publicación: EP4712239A2 18/03/2026
Applicant:
AESC JAPAN LTD [JP]
AESC Japan Ltd
Absstract of: EP4712239A2
Disclosed is a battery pack, including: multiple cells (210); a casing (100), wherein the inner bottom surface (10) of the casing (100) has a stepped surface for dividing the inner bottom surface (10) of the casing (100) into at least two placement areas (11) having a height difference in the height direction of the casing (100), and the cells (210) are placed in each of the placement areas (11). With stepped surfaces disposed on the inner bottom surface (10) of the casing (100), the battery pack may form at least two placement areas (11) with height differences within the casing (100), making it possible to provide a force to the adhesive located in the placement area with a higher height, helping the adhesive flow toward the placement area with lower height.
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