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1357
results.
Updated on
04/05/2026 [07:57:00]
Results 525 to 550 of 1357
Absstract of: EP4734275A1
0001 An end-cover assembly (120), an energy storage apparatus (100), and an electricity-consumption device are provided in the present disclosure. For the end-cover assembly (120), an upper plastic member (73) is provided with a protruding rib (732), the protruding rib (732) is positioned between a post-body portion (711) and a sealing ring (72), and the protruding rib (732) can be filled into a gap between the post-body portion (711) and the sealing ring (72), thereby improving the sealing performance between a terminal post and the sealing ring (72). In addition, the protruding rib (732) can also isolate the post-body portion (711) from a hole wall of a mounting hole (207), so as to increase a creepage distance between the post-body portion (711) and the hole wall of the mounting hole (207), thereby helping to ensure the insulation performance between the terminal post (71) and an end cover (20).
Absstract of: EP4734276A1
0001 A lower plastic member, an end-cover assembly, an energy storage apparatus, and an electricity-consumption device are provided. The lower plastic member includes a lower-plastic-member body. The lower-plastic-member body has a first surface and a second surface. The first surface and the second surface are positioned facing away from each other in a thickness direction of the lower plastic member. The lower-plastic-member body is provided with a protruding block, a first protrusion, and a second protrusion. The protruding block, the first protrusion, and the second protrusion all protrude from the second surface. The first protrusion and the second protrusion are respectively positioned at opposite ends of the lower-plastic-member body in a length direction of the lower plastic member. Both the first protrusion and the second protrusion extend in a width direction of the lower plastic member. The protruding block is positioned between the first protrusion and the second protrusion and is spaced apart from each of the first protrusion and the second protrusion. The protruding block extends in the width direction of the lower plastic member. The protruding block has a first side-surface. The first protrusion has a third side-surface. The second protrusion has a fifth side-surface. The first side-surface, the third side-surface, and the fifth side-surface are positioned at a same side of the lower plastic member in the width direction of the lower plastic member. An inje
Absstract of: EP4734247A1
0001 A lower plastic member, an end-cover assembly, an energy storage apparatus, and an energy storage system are provided. The lower plastic member (100) includes a body portion (110) and a vent portion (120). The vent portion (120) includes a vent plate (121), a first connecting rib (122), a second connecting rib (123), and a connecting edge-plate (124). The vent plate (121) has a third surface (121a) and a fourth surface (121b). The first connecting rib (122) and the second connecting rib (123) are connected to the third surface (121a). A first push-point (121d) is provided on the fourth surface (121b) at a position of the fourth surface (121b) that is positioned facing away from a connection between the third surface (121a) and the first connecting rib (122). A second push-point (121e) is provided on the fourth surface (121b) at a position of the fourth surface (121b) that is positioned facing away from a connection between the third surface (121a) and the second connecting rib (123).
Absstract of: EP4734657A1
0001 A heater unit according to the present disclosure, is mounted in a heating device for an electric vehicle, and includes a ceramic heater including a heat generation body; a heat dissipation body having a first surface facing the ceramic heater, and a second surface comprising a heat dissipation surface different from the first surface; and a heat conducting member disposed between the first surface of the heat dissipation body and the ceramic heater, the heat conducting member being in contact with both the ceramic heater and the first surface. The heat conducting member is higher in at least one selected from the group consisting of elasticity, ductility, and malleability than the ceramic heater and the heat dissipation body.
Absstract of: WO2025002906A1
The invention relates to a heat-transfer fluid distribution structure (35) configured to be arranged in a cavity (5) of a thermal control device (1), this distribution structure (35) being provided with a plurality of openings (36) that are configured to allow fluid to be distributed in the cavity (5) between a cavity fluid inlet slot (24) and a cavity fluid outlet slot (25), the distribution structure (35) having, in its lateral profile, corrugations (55), wherein the openings (36) are formed in the peaks of the corrugations (55).
Absstract of: EP4733264A1
0001 Provided in the present application are a lithium-containing precursor for a positive electrode material, a preparation method therefor, a positive electrode material and a lithium secondary battery. Said lithium-containing precursor satisfies the chemical formula Li(Ni
Absstract of: WO2025002923A1
A wireless system (1) for battery management comprises slave management modules (3) which are coupled one-to-one to battery modules (2), and a master management module (5) paired with the slave management modules (3). The master management module (5) comprises a computer (6) configured to operate in an active mode and in a standby mode, and a control device (7) configured to communicate wirelessly with each slave management module (3). The control device (7) is configured to calculate a value of the time elapsed during the standby mode of the computer (6).
Absstract of: WO2025003194A1
The invention relates to an electrical connection box for a storage battery (2), comprising: - a platform (4) suitable for receiving electrical components (5, 6, 7), in which platform at least one circulation line (18) for a heat-transfer fluid is provided; - a busbar (8, 9, 10, 11) providing an electrical connection between at least two electrical components; and - at least one heat pipe (14), a first portion (20) of which has a first area of contact with the platform and a second portion (21) of which has a second area of contact with the busbar and/or with at least one of the electrical components. The invention also relates to a storage battery provided with such a box and to a motor vehicle provided with such a battery.
Absstract of: WO2024261341A1
The invention relates to a system (1) for cooling an object (3), the system (1) comprising: - an enclosure (4) inside which a volume is arranged to receive said object (3) at a distance from the bottom (5) of the enclosure (4); - a heat exchanger (11), in particular a condenser, arranged inside the enclosure (4), in particular above said object (3); - at least one plate (50) extending at least partially facing a surface of said object (3) and optionally arranged vertically or substantially vertically, wherein an, in particular dielectric, phase-change material (23) is intended to occupy a free volume inside the enclosure (4), in particular between the bottom (5) of the enclosure (4) and the object (3).
Absstract of: WO2024263841A2
Provided are electrochemically active materials, cathodes or electrochemical cells that include the electrochemically active materials, and processes of producing the electrochemical materials. Electrochemical materials as provided herein include a first composition of the formula Li1+aMO2+b (Formula I) where -0.3≤a≤1.3 and -0.3≤b≤1.3 and where M includes 30 at% to 70 at% Mn and 25 at% to 70 at% Ni, the first composition formed of a polycrystalline morphology including a plurality of crystallites and a grain boundary between adjacent crystallites, the grain boundary including a second composition of the formula Li1+aM'O2+b (Formula II) where -0.1≤a≤1.3 and -0.3≤b≤1.3, wherein the grain boundary includes one or more enrichment elements in at least a portion thereof, the one or more enrichment elements present at a higher atomic percentage in the portion than in an adjacent crystallite, wherein the one or more enrichment elements is Co, Al, or both Co and Al.
Absstract of: WO2024263829A1
A battery pack assembly for an electrified vehicle includes a main body assembly comprising a structural frame support assembly including a floor module support frame and a cooling plate. The floor module support frame includes a central body, a first protrusion support and a second protrusion support. The central body has an upper surface that extends along a central body plane. The first protrusion support can be configured along a first edge and have an upper surface that extends along a first support plane that is offset from the central body plane. The second protrusion support can be configured along a second end and have an upper surface that extends along a second support plane that is offset from the central body plane. The first and second protrusion supports can inhibit relative movement between the cooling plate and floor module support frame.
Absstract of: WO2024263700A1
A battery pack assembly for an electrified vehicle includes a top cover, a cooling plate, a bottom plate and a main body assembly. The main body assembly comprises a structural frame support assembly having a front beam, a rear beam, a first side beam and a second side beam. A middle beam provides structural support to the cooling plate. A front support member is disposed at least partially between the cooling plate and the bottom plate. A rear support member is disposed at least partially between the cooling plate and the bottom plate. First structural glue is disposed between the front support member and the cooling plate.
Absstract of: WO2024263635A1
A battery pack assembly for an electrified vehicle includes a main body assembly comprising a structural frame support assembly. The structural frame support assembly includes a first floor module support frame, a first floor cooling plate, a second floor module support frame, a second floor cooling plate and a holding pad. The second floor module support frame can support an upper battery housing. The holding pad can be disposed between the second floor module support frame and the second floor cooling plate. The holding pad can have first structural glue disposed thereon between the holding pad and the second floor cooling plate. The holding pad can further have second structural glue disposed between the holding pad and the second floor module support frame. The first and second structural glue inhibits relative movement between the second floor cooling plate, holding pad and second floor module support frame.
Absstract of: EP4734197A1
0001 The present application relates to a battery module treatment method and system, and a computer device, a medium and a program product. The battery module treatment method provided in the embodiments of the present application is characterized by comprising: in response to determining that there is a heated battery module on a conveying line, generating an instruction for grabbing the battery module from the conveying line; determining the type of the battery module; and in response to determining that the type of the battery module is a first type, generating an instruction for placing the battery module into a standing repository for standing, wherein the first type indicates that standing needs to be performed on the battery module after heating.
Absstract of: WO2024261347A1
The invention relates to a system (2) for filling a liquid tank (30), which comprises: - a filling chamber (11) connected to the inside of the tank; - a means (13) for detecting non-compliant liquid in the filling chamber; - a safety means (90, 95) suitable for blocking the liquid in the filling chamber and/or for sending a warning signal to the technician; - a computer suitable for controlling the safety means according to the compliance of the liquid detected in the filling chamber by the detection means. According to the invention, the filling chamber is connected to the inside of the tank by a siphon (101) and is delimited by an at least partially cylindrical side wall (15), and a piston is provided which is suitable for sliding along the side wall in order to push the liquid back from the filling chamber to the inside of the tank.
Absstract of: EP4733774A1
A conductive block and a detection mechanism are provided. The conductive block (1) is used for pressing electrode tabs (102) of an electrode assembly (100) for withstand voltage testing, where the conductive block (1) includes a transition surface (3), and the transition surface (3) matches an inclined surface formed after the electrode tabs (102) are pressed. Withstand voltage testing on the electrode assembly (100) through the conductive block (1) is conducted, where the transition surface (3) matches the inclined surface formed after the electrode tabs (102) are pressed, reducing the risk of stress concentration causing damage to the electrode tabs (102) due to the conductive block (1) abutting the electrode tabs (102) during pressing, as well as the risk of stress concentration causing damage to the electrode tabs (102) due to the conductive block (1) abutting the electrode tabs (102), and also reducing the risk of creases generated during pressing causing the electrode tabs (102) to lift, thereby improving the reliability of the electrode assembly (100), and thus improving the reliability of battery cells (105) and batteries (110).
Absstract of: EP4734216A1
The embodiments of this application provide a winding pin, a winding apparatus, a battery manufacturing device, and a winding method. The winding apparatus includes a winding pin, a pair of first clamp pins, and at least one second clamp pin. The pair of first clamp pins are configured to move away from each other after the winding pin is withdrawn from an electrode assembly to stretch the electrode assembly, and the second clamp pin is configured to support an upper half portion of the electrode assembly in a process of stretching the electrode assembly by the pair of first clamp pins. The winding pin includes a winding pin body, an outer peripheral surface of the winding pin body is provided with a pair of first grooves, the first groove is configured to accommodate the first clamp pin, the pair of first grooves are spaced apart along a circumferential direction of the winding pin body, and the outer peripheral surface of the winding pin body is further provided with at least one second groove, the second groove is configured to accommodate the second clamp pin, and the second groove is spaced apart from the first grooves along the circumferential direction of the winding pin body. The technical solutions provided in this application can improve the reliability of the battery.
Absstract of: EP4734226A1
0001 A battery-cell heat dissipation structure and an energy storage system, which relate to the technical field of energy storage systems. The battery-cell heat dissipation structure comprises a case and a battery cell, wherein a mounting cavity is formed in the case; a plurality of thermally conductive portions are arranged on a cavity wall surface of the mounting cavity; the battery cell is arranged in the mounting cavity; and a plurality of heat dissipation wall surfaces are provided on the battery cell, and same are in contact with the plurality of thermally conductive portions in a one-to-one correspondence manner. By means of the battery-cell heat dissipation structure, a better heat dissipation effect for the battery cell is achieved, and when a system operates, same has a lower temperature rise, and a smaller temperature difference; and the heat of the battery cell dissipates from the plurality of heat dissipation wall surfaces, and the surface utilization rate of the battery cell is also relatively high, thereby facilitating an improvement in the performance of the battery cell.
Absstract of: EP4734273A2
A secondary battery includes a current interrupt device. A trigger pressure of the current interrupt device is a kPa, 1 ≤ a ≤ 4. The secondary battery contains an electrolyte solution. The electrolyte solution includes a chain ester. A saturation vapor pressure of the chain ester at 25 °C ranges from 4 kPa to 100 kPa. Based on a mass of the electrolyte solution, a mass percent of the chain ester is b%, 35 ≤ b ≤ 80.
Absstract of: EP4733252A1
The present application provides an iron phosphate material, a preparation method thereof, a cathode material, a cathode plate and a secondary battery. The iron phosphate material is doped with titanium, at least part of surfaces of primary particles of the iron phosphate material are in stacked sheet structures, the stacked sheet structure has a plurality of sheet layers, and any two adjacent sheet layers are respectively located on opposite sides of each other.
Absstract of: EP4734170A1
The present application belongs to the technical field of secondary batteries, and provides a sodium ferrous sulfate cathode material and a preparation method therefor, a cathode sheet, and a secondary battery; wherein the sodium ferrous sulfate cathode material comprises a core layer and a shell layer, the material of the core layer comprises sodium ferrous sulfate, and the material of the shell layer is a carbon material, wherein the thickness of the shell layer is 2 nm-10 nm; and the Raman spectrum of the sodium ferrous sulfate cathode material has a D peak and a G peak, and the ID/IG value is (0.8-1):1. The sodium ferrous sulfate cathode material provided in the present application has good electrical conductivity and a relatively high charge specific capacity and discharge specific capacity, thus having good electrochemical properties.
Absstract of: EP4734260A1
0001 Disclosed is a battery module, which includes a cell stack having a plurality of battery cells; a module case configured to accommodate the cell stack and having a venting hole in a top plate that covers an upper end of the cell stack; and a venting channel formation sheet coupled to the top plate and having a folding portion that is folded at least once at a position corresponding to the venting hole, and the folding portion is provided to be spread over the venting hole by a predetermined pressure to form a gas movement passage in an upper portion of the top plate.
Absstract of: EP4734163A1
0001 An electrode base material manufacturing facility related to one example of the present invention may comprise a conveying part including a conveying roll arranged so that light is transmitted into an internal space through a surface, and arranged to guide traveling of an electrode base material penetrating a drying part, an illuminance sensor mounted in the internal space of the conveying roll and arranged to sense illuminance of light transmitted into the internal space, and a control part arranged to inspect a contamination level of the conveying roll based on the illuminance information of the illuminance sensor and to stop the conveying part if the contamination level corresponds to a preset stop contamination level.
Absstract of: EP4734323A1
Embodiments of this application provide a power supply circuit and a related apparatus, used in the field of terminal technologies. The power supply circuit includes: an EIS module connected to a battery, a controller, and a power management module. The EIS module is connected to the controller, and the controller is connected to the power management module. The EIS module may detect an internal resistance of the battery and transmit the internal resistance of the battery to the controller. The controller may obtain a charge cutoff voltage and/or a charge cutoff current of the battery according to the internal resistance of the battery, and send a first control signal to the power management module. The power management module may control the charge cutoff voltage and/or the charge cutoff current of the battery according to the first control signal. In this way, a charging policy of the battery is adjusted by using the internal resistance of the battery that is detected by the EIS module. Based on the internal resistance of the battery, an aging degree of the battery is represented and adjusted, to reduce a case in which the charging policy does not match the aging degree of the battery, so as to reduce phenomena such as heat generation, bulging, and insufficient charging of the battery, and improve safety of the battery.
Nº publicación: EP4734165A2 29/04/2026
Applicant:
NINGDE AMPEREX TECHNOLOGY LTD [CN]
Ningde Amperex Technology Limited
Absstract of: EP4734165A2
0001 A secondary battery includes an electrolyte and a negative electrode plate, where a viscosity of the electrolyte is P MPa·s. A first material layer includes a first negative electrode active material, which includes no silicon element. A second material layer includes a second negative electrode active material and a polyurethane binder. Based on a mass of the second material layer, a mass percentage of the silicon element is W<1>%, and a mass percentage of the polyurethane binder is W<2>%. Along a thickness direction of the negative electrode plate, the negative electrode active material layer is provided with at least one groove, where a cross-sectional area of the groove is S µm<2>, and a depth of the groove is H µm. Wherein 1≤W<1>≤50, and S=K<1>+20W<1>; 400≤K<1>≤800;1≤W<2>≤10, 2≤P≤8, and H=K<2>W<2>P/S;800≤K<2>≤1200.
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