CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED patent applications on January 9th, 2025
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED on January 9th, 2025
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED: 26 patent applications
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED has applied for patents in the areas of H01M4/02 (6), H01M50/342 (5), H01M50/103 (4), H01M10/04 (4), H01M50/15 (4) H01M50/474 (2), H01M4/366 (2), H01M50/3425 (2), B05C11/10 (1), H01M50/258 (1)
With keywords such as: battery, electrode, layer, surface, provided, end, portion, cover, cell, and material in patent application abstracts.
Patent Applications by CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
Inventor(s): Xing WANG of NINGDE (CN) for contemporary amperex technology (hong kong) limited, Hongwu SHANG of NINGDE (CN) for contemporary amperex technology (hong kong) limited, Tuo ZHENG of NINGDE (CN) for contemporary amperex technology (hong kong) limited, Shisong LI of NINGDE (CN) for contemporary amperex technology (hong kong) limited, Xiaokang YAN of NINGDE (CN) for contemporary amperex technology (hong kong) limited, Xiaoliang GAO of NINGDE (CN) for contemporary amperex technology (hong kong) limited, Huan CHE of NINGDE (CN) for contemporary amperex technology (hong kong) limited, Xuefeng KANG of NINGDE (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): B05C11/10, B05C5/02, B05D1/26
CPC Code(s): B05C11/10
Abstract: the present application provides a coating die, a coating device and a coating method. the coating die includes a first die and a second die, the first die is connected to the second die and enclosed to form a slot to output slurry; the first die includes a die body, a lip portion and a lip adjustment assembly; the lip portion is connected to the die body and is located at a discharge end of the slot; the lip adjustment assembly is used for adjusting a temperature of the lip portion to control a deformation of the lip portion. the solution of the present application can improve the consistency of coating.
Inventor(s): Guozhong YANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaobin LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yaji ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Ying GAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Zijing ZHUANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Ning SONG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiangli SUN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Fengdan LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaoping WU of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): B65H18/10, H01M10/04
CPC Code(s): B65H18/10
Abstract: embodiments of the present application provide a needle winding assembly for winding electrode plates and a separator and a winding device. the winding needle assembly includes a first winding needle and a second winding needle for clamping the separator, and the second winding needle is provided with a rolling member on a side of the second winding needle toward the first winding needle. due to the presence of the rolling member, there is rolling friction between the rolling member and the first winding needle, reducing the friction between the first winding needle and the second winding needle, which avoids scratching the separator when the winding needle assembly is inserted into the separator or pulled out of the separator, or avoids misplacing and bringing out part of the separator when the second winding needle is pulled out, which otherwise would reduce the production efficiency of the battery.
Inventor(s): Zhenguo ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Sihui WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jingpeng FAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yutong LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Na LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): C01B25/30, H01M10/0525
CPC Code(s): C01B25/306
Abstract: the present application provides a lithium nickel manganese-containing composite oxide, a preparation method thereof, and a positive electrode plate, a secondary battery and an electrical device. the lithium nickel manganese-containing composite oxide is a particle with a monocrystal morphology or a quasi-monocrystal morphology, the lithium nickel manganese-containing composite oxide has a spherical or spherical-like grain shape, and the lithium nickel manganese-containing composite oxide has a general formula of linimmnao, −0.2≤x≤0.5, −0.2≤y≤0.2, 0≤z≤0.2, 0<a≤0.2, 0≤k≤0.2, a includes one or more selected from si, p and s, m includes one or more selected from a metal-doping element. the lithium nickel manganese-containing composite oxide provided in the present application may improve the capacity exertion, energy density and cycling life of the secondary battery.
Inventor(s): Jingjing PU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yanying WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiongping GAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xinghui WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shisong LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): C08G65/00, H01M4/02, H01M4/13, H01M4/62
CPC Code(s): C08G65/002
Abstract: a polymer includes an anchor group, a solvating segment, and an end group. the anchor group is any one or more selected from —coor, —sor, or —po(or)or. r, r, rand reach independently include a first group and a second group. the first group is h. the second group is any one or more selected from cto calkyl, cto caryl, or cto cheteroaryl. the solvating segment is any one or more selected from segments that include the following structural units.
Inventor(s): Jingjing PU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yanying WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiongping GAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xinghui WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shisong LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): C08G65/00, H01M4/02, H01M4/13, H01M4/62
CPC Code(s): C08G65/002
Abstract:
Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Fenggang ZHAO of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/13, H01M4/02, H01M10/0587
CPC Code(s): H01M4/13
Abstract: an electrode plate includes: a current collector having a plurality of first surfaces; and an active substance layer provided on at least one of the plurality of first surfaces and having a second surface on a side away from the current collector; where the second surface is provided with at least one concave portion that is recessed relative to the second surface, a volume sum of cavity(s) formed by the at least one concave portion is a first volume v, a material volume of the active substance layer is a second volume v, and the first volume v and the second volume v satisfy:
Inventor(s): Hu XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Fenggang ZHAO of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/13, H01M4/02, H01M10/0587
CPC Code(s): H01M4/13
Abstract:
Inventor(s): Limei Zhang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peipei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yao Jiang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiao Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/58, H01M10/0525, H01M10/0567
CPC Code(s): H01M4/366
Abstract: this application provides a secondary battery, a battery module, a battery pack, and an electric apparatus. the secondary battery includes a positive electrode plate and a non-aqueous electrolyte, where a positive electrode active material includes a core and a shell enveloping the core, the core including limnaproand the shell including a first coating layer enveloping the core and a second coating layer enveloping the first coating layer, where the first coating layer includes a pyrophosphate mpoand a phosphate xpo, and the second coating layer includes carbon; and the non-aqueous electrolyte includes a first additive, the first additive including one or more from a group consisting of compounds shown in formula 1 and compounds shown in formula 2.
Inventor(s): Limei Zhang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peipei Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yao Jiang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Jiao Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/36, H01M4/02, H01M4/58, H01M10/0525, H01M10/0567
CPC Code(s): H01M4/366
Abstract:
Inventor(s): Yanming CAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Guisen WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Hongjuan TAN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wei LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/36, H01M4/02, H01M10/04, H01M50/204, H01M50/531
CPC Code(s): H01M4/366
Abstract: a negative electrode plate includes a current collector; a first active material layer arranged on at least one surface of the current collector; and a second active material layer arranged on a surface of the first active material layer away from the current collector; wherein the first active material layer comprises a first active material, the second active material layer comprises a second active material, and the second active material has a lithiation potential and a delithiation potential higher than those of the first active material.
Inventor(s): Xingyan You of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yiyang Wu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenlong Bai of Ningde (CN) for contemporary amperex technology (hong kong) limited, Baozhen Wu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yuwen Wang of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/62, H01M4/02, H01M4/13, H01M10/0525
CPC Code(s): H01M4/628
Abstract: the present application provides a negative electrode plate and a device including the negative electrode plate. the negative electrode plate includes a negative electrode current collector; a negative electrode film layer on at least one surface of the negative electrode current collector; and a ferroelectric layer; the negative electrode film layer includes a negative electrode active material, and the ferroelectric layer is arranged on the surface of the negative electrode film layer opposite to the negative electrode current collector and includes ferroelectric particles. the negative electrode plate of the present application, when applied to a secondary battery, the fast-charging performance and cycle performance of the secondary battery can be improved.
Inventor(s): Manman WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaoming GE of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chuying OUYANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M4/66, H01M4/02
CPC Code(s): H01M4/667
Abstract: a conductive film includes: a substrate, where the substrate has a first surface and a second surface facing away from each other, and the substrate has a dense structure; and a first porous layer, where the first porous layer is stacked and bonded to the first surface of the substrate; the first porous layer includes a porous conductive material; and the porous conductive material has pores with first pore size and pores with second pore size, the first pore size being n micrometers, where 0.5≤n≤10; and the second pore size being m nanometers, where 20<m<200.
Inventor(s): Guozhong YANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiangli SUN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Fengdan LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Minjiang XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xu PEI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Andi XIAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Lei YU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Danyang MIAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaoping WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chao YANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M10/04, B65G15/12, B65G21/20, H01M4/04
CPC Code(s): H01M10/0431
Abstract: a cell electrode plate feeding device includes a conveying device and a vacuum suction device. the conveying device is configured to convey an electrode plate to be wound and comprises a support base and a conveying body, the support base comprising an accommodating cavity, the conveying body being mounted on the support base, and the conveying body being provided with a communicating portion, by means of which a space of the conveying body on a side away from the accommodating cavity is in communication with the accommodating cavity. the vacuum suction device is in communication with the accommodating cavity, and the vacuum suction device is configured to suck air between a conveying surface of the conveying body and the electrode plate, so as to enable the electrode plate to be attached to the conveying surface of the conveying body.
Inventor(s): Liya ZHAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Long WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Huihui LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/133
CPC Code(s): H01M50/133
Abstract: this application provides an expansion tape for battery packaging, where the expansion tape includes a substrate, an expansion layer, and a primer layer. the substrate has opposite first surface and second surface. the expansion layer is provided on the first surface of the substrate. the expansion layer includes an organic adhesive and a temperature expansion material. the temperature expansion material is a material capable of volume expansion after heat treatment. the primer layer is provided on the second surface of the substrate. the primer layer has adhesion.
Inventor(s): Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/15, H01M50/188, H01M50/553, H01M50/588
CPC Code(s): H01M50/15
Abstract: an end cover assembly comprises: an end cover, an electrode terminal, a terminal board, and an insulating member. the end cover is provided with a first through hole; the electrode terminal comprises a terminal body and an annular first protrusion protruding from the outer peripheral surface of the terminal body, at least part of the terminal body is accommodated in the first through hole, and the diameter of the first protrusion is greater than that of the first through hole; the terminal board is disposed on the side of the end cover facing away from the first protrusion and is connected to the terminal body; the insulating member disposed around the terminal body; the insulating member comprises an insulating body and a blocking portion.
Inventor(s): Xianglong DU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yikuang JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Hu XU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shaojun NIU of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/152, H01M50/179, H01M50/342
CPC Code(s): H01M50/152
Abstract: a battery cell includes: an end cover assembly, including an end cover, and an electrode terminal and a pressure relief mechanism disposed at the end cover; and an adapter, disposed at a side of the end cover facing the interior of the battery cell. the adapter includes first, second, and third connection portions that are sequentially folded along a thickness direction of the end cover. the first connection portion is configured to be connected to an electrode assembly, the third connection portion is configured to be connected to the electrode terminal, and the second connection portion is connected to the first connection portion and the third connection portion. the second connection portion is provided with a first through hole, and the first through hole is used for allowing gas inside the battery cell to pass through, so that the gas can flow to the pressure relief mechanism.
Inventor(s): Pengcheng YAO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenhui ZHANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xingdi CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/24, H01M50/249, H01M50/256, H01M50/264, H01M50/271, H01M50/691
CPC Code(s): H01M50/24
Abstract: a battery includes a casing, a carrying component, a battery cell and a first sealing member. the casing includes a first opening, the carrying component is adapted to cover and close the first opening to enclose and form a first accommodating chamber with the casing. the battery cell is accommodated in the first accommodating chamber and connected to the carrying component, and the first sealing member is at least partially disposed between the casing and the carrying component to seal the first opening.
Inventor(s): Qingfeng Ye of Xiamen (CN) for contemporary amperex technology (hong kong) limited, Xia Wang of Xiamen (CN) for contemporary amperex technology (hong kong) limited, Xin Yang of Xiamen (CN) for contemporary amperex technology (hong kong) limited, Yuanhe Wu of Xiamen (CN) for contemporary amperex technology (hong kong) limited, Ling Shuai of Xiamen (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/258, H01M50/209, H01M50/244
CPC Code(s): H01M50/258
Abstract: this application discloses a battery. the battery includes: a cabinet, the cabinet being internally provided with a chamber and the cabinet including a top surface, a bottom surface, and a plurality of side surfaces, where the top surface and the bottom surface are disposed opposite each other, the plurality of side surfaces enclose the top surface at one end, the plurality of side surfaces enclose the bottom surface at the other end, and the top surface, the bottom surface, and the plurality of side surfaces collectively form the chamber; and a plurality of battery modules, disposed in the chamber and sequentially arranged in a direction from the top surface to the bottom surface; where at least one of the plurality of side surfaces is configured to be detachable from the cabinet. the technical solution provided in this application can reduce the production costs of the battery.
Inventor(s): Xiaobo CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Mingguang Gu of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/342, H01M50/103
CPC Code(s): H01M50/3425
Abstract: a housing, a battery cell, a battery, and a power consuming device are described. the housing is provided with a pressure relief region and a non-pressure relief region surrounding the pressure relief region, and the ratio of a thickness dimension of the pressure relief region to a thickness dimension of the non-pressure relief region is greater than or equal to 0.1 and less than 1; and the housing is further provided with a first notch, and the first notch is provided at the joint between the pressure relief region and the non-pressure relief region, wherein the pressure relief region is configured to open with the first notch as a boundary when the pressure or temperature inside the housing reaches a threshold, so as to release the pressure inside the housing. in this way, the thicknesses of two sides of the first notch are unequal, thereby reducing the stiffness gradient; moreover, the pressure relief region is thin and accordingly can absorb and coordinate deformation effectively.
Inventor(s): Haibo Ke of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiang Mei of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun Li of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng Wang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Ningsheng Wu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Kaihuan Yang of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/342, H01M50/103, H01M50/143, H01M50/367
CPC Code(s): H01M50/3425
Abstract: provided are a battery cell, a battery, and an electric apparatus. the battery cell includes a housing and a shielding member. the housing has an inner cavity, the housing has a first wall, and the first wall is provided with a weak portion. the shielding member is disposed in the inner cavity, and the shielding member covers at least a portion of the weak portion in a thickness direction of the first wall. in the battery cell of this application, the shielding member covers at least a portion of the weak portion from the inside of the housing, thereby preventing direct contact between the electrolyte and the at least a portion of the weak portion, protecting the weak portion.
Inventor(s): Liqin WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wanqiu MENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Longfei XUE of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yanyu LIU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yongfeng XIE of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/367, H01M50/15, H01M50/30, H01M50/342
CPC Code(s): H01M50/367
Abstract: the present application provides an end cover assembly for a battery cell. the end cover assembly includes: an end cover, an exhaust mechanism being provided on the end cover; and an insulating component provided on the side of the end cover close to the interior of the battery cell. an exhaust channel is provided between the insulating component and the end cover to communicate the exhaust mechanism with the interior of the battery cell. the end cover assembly can improve the exhaust efficiency of the battery cell, thereby improving the reliability of the battery cell.
Inventor(s): Xiaobo CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Lu HU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Shaoji WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xuehui WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xingguo LUO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yupin LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/383, H01M10/613, H01M10/6567, H01M50/342, H01M50/682
CPC Code(s): H01M50/383
Abstract: the present application provides a battery and an electrical device. the battery includes a battery cell and a release treating device. a pressure relief mechanism of the battery cell can release a substance inside the battery cell, a treating space of the release treating device is connected with the pressure relief mechanism, and a treating member in the treating space can treat the substance released by the pressure relief mechanism into the treating space to reduce a specified parameter of the substance. after the specified parameter of the substance is reduced, the possibility of combustion of the substance is greatly reduced, so that the battery is less prone to ignition when thermal runaway occurs, which is conducive to improving the safety of the battery.
Inventor(s): Yulei Fan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Feng Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wei Zhong of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaoming Ge of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chuying Ouyang of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/457, H01M50/403, H01M50/414, H01M50/431, H01M50/446, H01M50/491
CPC Code(s): H01M50/457
Abstract: provided a separator, a preparation method therefor, a secondary battery and a power consuming device. the separator comprises a first substrate layer, a mixed material layer and a second substrate layer; the mixed material layer is provided between the first substrate layer and the second substrate layer; the mixed material layer comprises an inorganic material and a dispersant. the separator of the present application can delay the occurrence of lithium dendrites or sodium dendrites puncturing the separator and the occurrence of internal short circuit in the battery, prolong the service life of the battery, increase the infiltration of the separator to the electrolyte solution and the charge and discharge rate of the battery, improve the thermal shrinkage performance of the battery, and increase the safety and the first coulombic efficiency of the battery.
Inventor(s): Haibo Ke of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiang Mei of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun Li of Ningde (CN) for contemporary amperex technology (hong kong) limited, Fan Yu of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng Wang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chengyou Xing of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/474, B60L50/60, B60R16/033, H01M50/103, H01M50/533, H01M50/55, H01M50/627
CPC Code(s): H01M50/474
Abstract: provided are a battery cell, a battery, and an electric apparatus. the battery cell includes: an electrode assembly including a body portion and a tab, where the body portion has a body end surface, and the tab is led out of the body end surface; and a housing having a first wall, where the first wall is provided with an electrolyte injection hole and an electrode terminal, and the tab is electrically connected to the electrode terminal. at least one surface of the tab is provided with a protection sheet, the protection sheet shielding at least part of a region, on the body portion, corresponding to the electrolyte injection hole.
Inventor(s): Lulu BAI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xinxiang CHEN of Ningde (CN) for contemporary amperex technology (hong kong) limited, Ningsheng WU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Ting ZHENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yulian ZHENG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/474, H01M10/04, H01M50/103
CPC Code(s): H01M50/474
Abstract: a battery cell includes a shell, an electrode assembly, and a first insulating member. the shell has an opening and a bottom wall opposite to the opening. the electrode assembly is accommodated in the shell. the first insulating member is used for separating the electrode assembly and the bottom wall. the first insulating member is provided with a first through hole, and projections of the electrode assembly and the first through hole on the bottom wall partially overlap or do not overlap in a thickness direction of the bottom wall.
Inventor(s): Huasheng SU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Chengyou XING of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Weirong ZHUO of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/533, H01M50/107, H01M50/213, H01M50/30
CPC Code(s): H01M50/533
Abstract: the embodiments of the present disclosure provide a battery cell, battery, and electrical device. the battery cell comprises a casing, having a first wall; a pressure relief mechanism, arranged on the first wall; and an electrode assembly, arranged inside the casing. the electrode assembly comprises an electrode tab, and the electrode tab comprises an avoidance portion. along a thickness direction of the first wall, the projection of the pressure relief mechanism on the electrode assembly at least partially falls within the avoidance portion. the battery cell has relatively high safety.
Inventor(s): Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Daowei YANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/588, H01M50/15, H01M50/186
CPC Code(s): H01M50/588
Abstract: an end cover assembly comprises: a top cover sheet, comprising a first surface and a second surface which are arranged opposite to each other along the thickness direction of the top cover sheet, a mounting hole running through the top cover sheet along the thickness direction thereof, and an inner wall surface that faces the mounting hole; the top cover sheet is provided with a first insulating layer, and at least part of the first insulating layer is located on the inner wall surface.
Inventor(s): Quankun LI of Ningde (CN) for contemporary amperex technology (hong kong) limited, Wenlin ZHOU of Ningde (CN) for contemporary amperex technology (hong kong) limited, Peng WANG of Ningde (CN) for contemporary amperex technology (hong kong) limited, Haizu JIN of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H01M50/59, H01M50/15, H01M50/176, H01M50/188, H01M50/553, H01M50/586
CPC Code(s): H01M50/59
Abstract: an end cover assembly comprises: an end cover provided with a through hole; an electrode terminal at least part of which is located in the through hole; a terminal board insulated from the end cover, provided on a side of the end cover in the axial direction of the through hole and connected to the electrode terminal; and a first insulating member provided around the electrode terminal in the peripheral direction of the through hole, at least partially clamped between the electrode terminal and the terminal board in the axial direction, and at least partially located between an electrode terminal and the end cover and abutting against at least one of the electrode terminal and the end cover in a radial direction of the through hole.
Inventor(s): Xing Chen of Ningde (CN) for contemporary amperex technology (hong kong) limited, Xiaojian Huang of Ningde (CN) for contemporary amperex technology (hong kong) limited, Yu Yan of Ningde (CN) for contemporary amperex technology (hong kong) limited, Tian Liu of Ningde (CN) for contemporary amperex technology (hong kong) limited
IPC Code(s): H02K3/28, H02K1/16, H02K3/38, H02K5/22
CPC Code(s): H02K3/28
Abstract: the present application relates to the technical field of motors, and specifically relates to a stator and a motor with the same. the present application is intended to solve a technical problem that a motor stator on the market has a complex fixing structure of a neutral wire. to this end, the present application provides a stator, comprising: a stator yoke portion provided with a plurality of windings; an insulating base arranged on a periphery of the plurality of windings; and a neutral wire arranged on the insulating base and connected to the plurality of windings.
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED patent applications on January 9th, 2025
- CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
- B05C11/10
- B05C5/02
- B05D1/26
- CPC B05C11/10
- Contemporary amperex technology (hong kong) limited
- B65H18/10
- H01M10/04
- CPC B65H18/10
- C01B25/30
- H01M10/0525
- CPC C01B25/306
- C08G65/00
- H01M4/02
- H01M4/13
- H01M4/62
- CPC C08G65/002
- H01M10/0587
- CPC H01M4/13
- H01M4/36
- H01M4/58
- H01M10/0567
- CPC H01M4/366
- H01M50/204
- H01M50/531
- CPC H01M4/628
- H01M4/66
- CPC H01M4/667
- B65G15/12
- B65G21/20
- H01M4/04
- CPC H01M10/0431
- H01M50/133
- CPC H01M50/133
- H01M50/15
- H01M50/188
- H01M50/553
- H01M50/588
- CPC H01M50/15
- H01M50/152
- H01M50/179
- H01M50/342
- CPC H01M50/152
- H01M50/24
- H01M50/249
- H01M50/256
- H01M50/264
- H01M50/271
- H01M50/691
- CPC H01M50/24
- H01M50/258
- H01M50/209
- H01M50/244
- CPC H01M50/258
- H01M50/103
- CPC H01M50/3425
- H01M50/143
- H01M50/367
- H01M50/30
- CPC H01M50/367
- H01M50/383
- H01M10/613
- H01M10/6567
- H01M50/682
- CPC H01M50/383
- H01M50/457
- H01M50/403
- H01M50/414
- H01M50/431
- H01M50/446
- H01M50/491
- CPC H01M50/457
- H01M50/474
- B60L50/60
- B60R16/033
- H01M50/533
- H01M50/55
- H01M50/627
- CPC H01M50/474
- H01M50/107
- H01M50/213
- CPC H01M50/533
- H01M50/186
- CPC H01M50/588
- H01M50/59
- H01M50/176
- H01M50/586
- CPC H01M50/59
- H02K3/28
- H02K1/16
- H02K3/38
- H02K5/22
- CPC H02K3/28