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1190
results.
Updated on
25/10/2026 [07:33:00]
Results 325 to 350 of 1190
Absstract of: EP4826782A1
The present invention is a negative electrode active material containing negative electrode active material particles, in which the negative electrode active material particles contain a porous carbon structure, a low-valent nano silicon oxide in an amorphous state is dispersed within the porous carbon structure, a carbon composite having silicon as a core is dispersed in at least a surface layer portion within the porous carbon structure, the low-valent nano silicon oxide includes SiOx where "x" is less than 1.0, and the low-valent nano silicon oxide is dispersed in at least a deep portion within the porous carbon structure, in which the deep portion is deeper than the carbon composite having silicon as a core. This provides the negative electrode active material that can improve battery cycle characteristics thereof and increase a battery capacity thereof.
Absstract of: MX2026006799A
The present invention relates to the technical fields of electric batteries and adhesive formulations for fitting the latter in vehicles. It relates to a preparation for providing a thermally conductive adhesive formulation, to a process for producing the preparation, to a structure consisting of at least one battery cell, an adhesive layer and a heat sink, and to a method for producing the structure of the invention.
Absstract of: WO2025125298A1
The invention relates to a cell comprising: - An anode comprising a lithium metal layer, - An electrolyte comprising at least one lithium salt and at least one solvent, - A cathode comprising a porous composite layer which comprises at least one active material.
Absstract of: EP4825889A1
0001 The present disclosure provides a copolymer which exhibits excellent dispersibility and sufficient solubility in water. Specifically, the present disclosure provides a copolymer having a structural unit (A) derived from a monomer (a) having a hydrophilic group (excluding a catechol group) and a structural unit (B) derived from a monomer (b) having a catechol group, wherein the hydrophilic group is a hydroxyl group and/or a phosphate group, and the mass average molecular weight is 500 or more and 20,000 or less.
Absstract of: EP4825583A1
0001 A fire-resistant pad of the present disclosure comprises: a first layer comprising a non-combustible material; a second layer comprising a carbonate-based flame retardant and a silicone resin; and a third layer comprising a silicone-aerogel composite containing a silicone resin and an aerogel, wherein the silicone-aerogel composite contains an aerogel in an amount of 0.5 wt.% or more and 40 wt.% or less and a silicone in an amount of 60 wt.% or more and 99.5 wt.% or less, based on the total weight of the third layer, and each of the first layer, the second layer, and the third layer is laminated in at least one or more layers.
Absstract of: EP4826842A1
0001 A heat exchange member, a case, a battery, and an electric device. The heat exchange member (20) is used for a case (100) for a battery (1000), and comprises: a heat exchange plate (21); a back plate (22) provided on one side of the heat exchange plate (21) in a first direction (Z) and connected to the heat exchange plate (21), the first direction (Z) being the thickness direction of the heat exchange plate (21); and heat exchange tubes (23) provided between the heat exchange plate (21) and the back plate (22) and fixedly connected to the heat exchange plate (21) and/or the back plate (22).
Absstract of: EP4826897A1
Occurrence of burrs at an outer edge portion of a clad piece is suppressed. Provided is a method for manufacturing a terminal component including a step (1) of disposing a clad piece 31 formed by laminating and joining a high-ductility conductor layer 31A and a low-ductility conductor layer 31B in a thickness direction in a lower die 50 such that the high-ductility conductor layer 31A is in contact with a bottom surface 52 of a vertical hole portion 51 opening upward in the lower die 50, and a step (2) of plastically deforming, using a concave portion 56 for forming a convex portion that opens downward and extends upward in an upper die 55A, and is for forming the convex portion 32C corresponding to a shaft portion at a center of the clad piece 31, the clad piece 31 toward the concave portion 56 for forming a convex portion to form a convex portion 32C inside the concave portion 56 for forming a convex portion, while restraining the plastic deformation of a side surface of the clad piece 31 by an inner peripheral wall 53 of the vertical hole portion 51 of the lower die 50, when the upper die 55A is inserted into the vertical hole portion 51 of the lower die 50 to press an upper surface of the low-ductility conductor layer 31B of the clad piece 31.
Absstract of: EP4825209A1
0001 An inhalation device for generating an aerosol by heating an aerosol source, comprising: a heating unit (121) for heating the aerosol source; a power supply unit (110) having a battery (1111) as a power source unit, configured to supply power to the heating unit (121); and a case having a power supply accommodating portion for accommodating the power supply unit (110). The power supply unit (110) is configured with a plurality of components fixed together, including an MCU (1161) as a control element for controlling the supply of power from the battery (1111) to the heating unit (121), and the power supply unit is removably arranged in the power supply accommodating portion of the case in a fixed together state.
Absstract of: EP4825938A1
Provided is an adhesive composition containing a copolymer (A) having (a) a polymer block of an α-methylstyrene monomer and (b) a (co)polymerization block of one or more kinds of aliphatic monoolefins and/or one or more kinds of aliphatic conjugated diolefins or a partially or fully hydrogenated block of the (co)polymerization block, one or more kinds of copolymers (B) having (c) a polymer block of a styrene monomer and (d) a (co)polymerization block of one or more kinds of aliphatic monoolefins and/or one or more kinds of aliphatic conjugated diolefins or a partially or fully hydrogenated block of the (co)polymerization block, and an adhesion imparting agent (C). The present invention can provide an adhesive composition for forming an adhesive layer to be provided on the surface of an elastic rubber material, which is the main material of a sealing material, the adhesive composition capable of forming the adhesive layer with excellent adhesion both at high temperatures (80°C or higher, for example, 100°C) and at normal temperatures of about 25°C.
Absstract of: EP4825519A1
Provided in the present application are a battery welding apparatus and a battery welding method. The battery welding apparatus includes a conveyor line, a cell feeding device, a connecting piece feeding device, and a welding device. The conveyor line includes a plurality of carriers arranged in a conveying direction of the conveyor line. The cell feeding device includes at least two cell feeding mechanisms; the at least two cell feeding mechanisms are respectively configured to feed at least two battery cell sets into at least two target carriers of the conveyor line, and each of the battery cell sets includes at least two cells. The connecting piece feeding device is configured to feed connecting pieces into the at least two target carriers. The welding device is arranged on a lateral side of the conveyor line. The conveyor line is movably arranged to sequentially convey the at least two target carriers to the welding device for welding. The welding device is configured to weld the connecting pieces and the at least two cells in the target carrier. The battery welding apparatus of the present application improves the welding efficiency.
Absstract of: EP4826349A1
0001 The present application provides a battery airtightness testing system and method. The battery airtightness testing system comprises an initial test module and at least two re-test modules. The initial test module is configured to perform a first airtightness test on a plurality of incoming battery packs; each incoming battery pack comprises a plurality of batteries; and the battery packs tested by the initial test module include a first compliant battery pack and a first non-compliant battery pack. The re-test module comprises a buffer platform, a re-test chamber, and a re-test manipulator; the buffer platform is configured to receive and store the first non-compliant battery pack; the re-test manipulator is configured to grab all batteries in the first non-compliant battery pack buffered in the buffer platform into the re-test chamber; the re-test chamber is configured to perform an independent second airtightness test on each battery in the first non-compliant battery pack; and the batteries tested by the re-test chamber include a second compliant battery and a second non-compliant battery.
Absstract of: EP4826840A1
0001 A heat exchange device (13), a heat exchange system, a battery (10) and an electrical device, which belong to the technical field of batteries. The heat exchange device (13) is applied to the battery (10). The heat exchange device (13) comprises: a heat exchange body provided with a first heat exchange flow channel (1322) and a second heat exchange flow channel (1332); and an expansion valve (134), wherein an inlet end of the expansion valve (134) is connected to an outlet end of the first heat exchange flow channel (1322), and an outlet end of the expansion valve (134) is connected to an inlet end of the second heat exchange flow channel (1332). The second heat exchange flow channel (1332) comprises an upstream flow channel and a downstream flow channel which are connected in sequence, wherein the upstream flow channel is connected to the outlet end of the expansion valve (134), the upstream flow channel is configured to perform heat exchange with a battery cell (12), and the downstream flow channel is configured to perform heat exchange with the first heat exchange flow channel (1322).
Absstract of: EP4826875A1
A battery (10) and an electric device, which belong to the technical field of batteries. The battery (10) comprises: a case (11); a bottom protective plate (13), the bottom protective plate (13) and the case (11) defining an accommodating cavity; a plurality of battery cells (12), which are mounted in the accommodating cavity; and protective structures (14), wherein the protective structures (14) are mounted on an end beam (111) of the case and located between the end beam (111) and the bottom protective plate (13), and the minimum distance between each protective structure (14) and the bottom protective plate (13) is not greater than the minimum distance between each battery cell (12) and the bottom protective plate (13).
Absstract of: EP4826900A1
0001 A battery cell (10), a battery (100), and an electrical apparatus (1000). The battery cell (10) comprises: a housing (11), comprising a housing cover (112) and a housing body (111), wherein the housing (11) is provided with electrode columns (12); an electrode assembly (2), comprising a conductive portion (22) and an active substance coating portion (21), wherein the conductive portion (22) is electrically connected to the active substance coating portion (21) and the electrode columns (12); a support (3), arranged within the housing body (111) and located at the end of the active substance coating portion (21) away from the housing cover (112); and an insulating piece (4), comprising a main body insulating portion (41), a first insulating portion (42) and a second insulating portion (43), wherein the main body insulating portion (41) is arranged on the peripheral side of the active substance coating portion (21), the first insulating portion (42) is arranged between the support (3) and the end of the active substance coating portion (21) away from the housing cover (112), and the second insulating portion (43) is arranged at the end of the active substance coating portion (21) close to the housing cover (112). The risk of failure and damage of the electrode assembly (2) is reduced, the risk of corrosion of the housing (11) is reduced, and the reliability and stability of the battery cell (10) are improved.
Absstract of: EP4826874A1
A battery and a power consuming apparatus are provided, and belong to the field of battery technologies. The battery (100) includes a box-body assembly (1) and a plug-in assembly (4). The box-body assembly (1) includes a first wall (111). A first penetration hole (1111) is provided on the first wall (111). The plug-in assembly (4) is mounted to the box-body assembly (1) and includes a plug-in member (41) and an adapter (42). The plug-in member (41) includes a mounting portion (411) and a power connection portion (412). The mounting portion (411) is located on an outer side of the first wall (111). The power connection portion (412) includes an external power connection end (4121) located on a side of the mounting portion (411) away from the first wall (111) and an internal power connection end (4122) located on a side of the mounting portion (411) close to an interior of the box-body assembly (1). The internal power connection end (4122) is disposed corresponding to the first penetration hole (111). At least a part of the adapter (42) is located outside the box-body assembly (1) and supports the mounting portion (411), to space the mounting portion (411) from the first wall (111).
Absstract of: EP4826793A1
The present disclosure relates to a cathode material and a method for preparing same, a battery, and an electrical device. The cathode material includes a composition represented by Formula (1): LiaNixMnyCozM1bM2cO2 Formula (1), in which: 0.9≤a≤1.1, 0.5≤x<1, 0
Absstract of: EP4826876A1
The present application relates to the technical field of batteries, and provides a battery module, a battery, and an electric device. The battery module comprises battery cells, end plates, and side plates. Each end plate comprises an end plate body and an insertion structure, the end plate body defines a first surface, and the first surface extends in the length direction and the width direction of the end plate; the insertion structure is formed on the first surface, insertion grooves are respectively formed in the two ends of the insertion structure in the length direction, and the insertion grooves extend in the width direction; and each side plate comprises a bent part, and the bent part is inserted into the corresponding insertion groove.
Absstract of: EP4826818A1
A secondary battery and an electric apparatus are provided. The secondary battery includes a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector, and the negative electrode film layer has a first surface facing away from the negative electrode current collector and a second surface disposed opposite the first surface. Thickness of the negative electrode film layer is denoted as H, a region from the first surface of the negative electrode film layer to a thickness of 0.3H is denoted as a first region of the negative electrode film layer, and a region from the second surface of the negative electrode film layer to a thickness of 0.3H is denoted as a second region of the negative electrode film layer. The first region includes a first negative electrode active material, and the second region includes a second negative electrode active material. The first negative electrode active material includes a matrix and a carbon coating layer formed on at least part of a surface of the matrix, and a lithiation plateau voltage of the first negative electrode active material is 0.118 V to 0.140 V. Gram capacity of the second negative electrode active material is greater than that of the first negative electrode active material.
Absstract of: EP4826771A1
0001 The present disclosure provides a secondary battery and an electrical device. The secondary battery comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer formed on at least one surface of the negative electrode current collector. The negative electrode film layer comprises a first region and a second region. The first region is located between the second region and the negative electrode current collector. The first region comprises a first negative electrode active material. The second region comprises a second negative electrode active material. A powder OI value of the second negative electrode active material is less than a powder OI value of the first negative electrode active material. The first negative electrode active material comprises a first artificial graphite having an La(110) of 130-175 nm and an Lc(002) of 30-42 nm.
Absstract of: EP4826873A1
Disclosed are an energy storage container (100) and an energy storage system (1000). The energy storage container (100) includes a container body (10). A battery compartment (20), an electrical compartment (30), and a liquid cooling unit (40) are disposed inside the container body (10); the electrical compartment (30) and the liquid cooling unit (40) are disposed on the same end side of the battery compartment (20) in a first direction (O). Such a configuration can effectively improve the space utilization rate of the energy storage container (100); additionally, working personnel can inspect the electrical compartment (30) and the liquid cooling unit (40) on the same end side of the energy storage container (100), thereby effectively improving the convenience of on-site maintenance.
Absstract of: EP4826796A1
The present disclosure provides a lithium iron phosphate material, a preparation method therefor, a cathode sheet, and a secondary battery, and relates to the field of cathode materials. The lithium iron phosphate material in the present disclosure satisfies 1.10 ≤ σb/σf ≤ 5.00, wherein σb is a sample standard deviation of circularity C of large lithium iron phosphate particles, and σf is a sample standard deviation of circularity C of small lithium iron phosphate particles. By controlling a difference in the sample standard deviation of circularity between large and small lithium iron phosphate particles, the large and small lithium iron phosphate particles with different morphologies cooperate with each other, enabling the lithium iron phosphate material to achieve both good tap density and specific surface area. According to the method for preparing the lithium iron phosphate material in the present disclosure, polydopamine-partially-coated large-particle-sized iron phosphate seed crystal is subjected to vacuum dehydration to obtain a surface-dehydrated modified iron phosphate seed crystal, which is used for controlling the morphology of large iron phosphate particles in subsequent precipitation reaction. Subsequently, through a co-precipitation method and subsequent treatments, a lithium iron phosphate material with good tap density and specific surface area is ultimately prepared.
Absstract of: EP4826877A1
0001 Disclosed in the present application are a battery and an electric device. The battery is configured to be connected to brackets. The battery comprises a case. The case comprises a first case and a second case, wherein in a first direction, the first case and the second case are connected to each other, and the first case and the second case jointly define a chamber for accommodating a battery cell. The first case is provided with a first connecting face and second connecting faces, which face the first direction, the first connecting face being connected to the second case, and the second connecting faces being configured to be connected to the brackets. The positions of the first connecting face and the second connecting faces in the first direction do not overlap. The technical solution provided in the present application can improve the volumetric energy density of the battery.
Absstract of: EP4826890A1
Provided are a method for preventing tearing of a tab, a tab, an electrode assembly, and a battery. The method for preventing the tearing of the tab includes: providing an adhesive material at a welding portion of the tab to form a buffering member at least partially covering the tab. By providing the adhesive material at the welding portion of the tab where tearing is likely to occur, to form the buffering member at least partially covering the welding portion, the tab can be prevented from tearing at the welding portion, reducing a defect rate of tab tearing.
Absstract of: EP4826901A1
0001 A battery (100) and an electrical device (1000). The battery (100) comprises a case assembly (20), a first heat exchange assembly (30), a battery cell assembly (101), and a first insulating member (71), wherein the case assembly (20) comprises a case (21); the first heat exchange assembly (30) comprises a first heat exchange member (31), the first heat exchange member (31) being fixed to a bottom wall (211) of the case (21); the battery cell assembly (101) is arranged in the case assembly (20), and the side of the battery cell assembly (101) that faces the bottom wall (211) of the case (21) is bonded to the bottom wall (211) of the case (21) and the first heat exchange member (31) by means of a first bonding layer (34); and the first insulating member (71) is at least partially arranged between the battery cell assembly (101) and the side of the first heat exchange member (31) that faces away from the bottom wall (211) of the case (21), the first bonding layer (34) covering the first insulating member (71). While achieving insulation between the battery cell assembly (101) and the first heat exchange member (31), the technical solution does not affect the continuous fitting arrangement between the first bonding layer (34) and the battery cell assembly (101), such that the reliability of the connection fit can be improved, enhancing the overall structural strength of the battery (100), and thus improving the reliability of the battery (100).
Nº publicación: EP4826878A1 21/10/2026
Applicant:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Absstract of: EP4826878A1
0001 The present application relates to a battery apparatus and a power consuming device. The battery apparatus includes: a box body; at least two mounting members connected to the box body; and a first sealing assembly disposed on at least one of the mounting members and having a connection end and a protrusion end, where the connection end is connected to a connection surface of the corresponding mounting member, the protrusion end protrudes from the connection surface of the corresponding mounting member, and the protrusion end is sealed between the at least two mounting members. In the present application, the first sealing assembly is integrated onto the at least one mounting member, so that the first sealing assembly and the corresponding mounting member are formed into an integral structure, which can simplify a mounting and sealing structure. In addition, the protrusion end of the first sealing assembly can be better clamped between two structures that require sealing, for example, clamped between two mounting members, which can effectively improve the sealing effect between the two structures.
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