公开(公告)号：US20240413317A1

公开(公告)日：2024-12-12

申请号：US18808108

申请日：2024-08-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Tianci Yuan ,  Yao Jiang ,  Xinxin Zhang ,  Chuying Ouyang ,  Shangdong Chen ,  Lingjing Wu ,  Weibin Kang

IPC: H01M4/36 ,  C01B25/45 ,  H01M4/02 ,  H01M4/58 ,  H01M4/62

Abstract: Provided are a positive electrode active material and a preparation method thereof, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core and a shell layer enveloping the core, the core having a chemical formula LiaAxMn1-yByP1-zCzO4-nDn, where A includes one or more elements selected from Zn, Al, Na, K, Mg, Nb, Mo, and W, B includes one or more elements selected from Ti, V, Zr, Fe, Ni, Mg, Co, Ga, Sn, Sb, Nb, and Ge, C includes one or more elements selected from B, S, Si, and N, and D includes one or more elements selected from S, F, Cl, and Br; and the shell layer is a doped carbon layer, a doping element in the doped carbon layer including any one or more selected from nitrogen, phosphorus, sulfur, boron, and fluorine.

公开(公告)号：US20240413308A1

公开(公告)日：2024-12-12

申请号：US18424934

申请日：2024-01-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jingpeng FAN ,  Qi WU ,  Zhenguo ZHANG ,  Qiang CHEN ,  Dong ZHAO ,  Na LIU ,  Jing WANG

IPC: H01M4/36 ,  C01G53/00 ,  H01M4/02 ,  H01M4/505 ,  H01M4/58 ,  H01M10/052

Abstract: This application provides a lithium-nickel-manganese-containing composite oxide, a preparation method thereof, and a positive electrode plate, secondary battery, and electric apparatus containing the same. The lithium-nickel-manganese-containing composite oxide has a core-shell structure and includes a core and a shell enveloping surface of the core, where the core includes Lix(NiyMn2-y)1-mMmO4. M includes one or more selected from Mg, elements from group IVB to group VIB, elements from group IIIA to group VA, and lanthanide elements, where 0.95≤x≤1.10, 0.40≤y≤0.60, and 0.001≤m≤0.015. The shell includes lithium aluminum phosphate and optionally includes lithium aluminum phosphate and aluminum phosphate.

公开(公告)号：US20240405380A1

公开(公告)日：2024-12-05

申请号：US18786424

申请日：2024-07-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu GAO ,  Chong WANG ,  Chenling ZHENG

IPC: H01M50/519 ,  H01M50/204 ,  H01M50/505 ,  H01M50/569

Abstract: A flexible circuit board component includes a board body and a sampling terminal, wherein the sampling terminal is configured to collect the electrical data of the target component. The board body is provided thereon with a groove portion, wherein the groove portion penetrates the board body along a thickness direction of the board body so as to partition the board body into a main body part, a connecting part, and a deformable part. The connecting part is configured to connect the sampling terminal. The deformable part is connected to the main body part and the connecting part, and the deformable part is configured to undergo deformation so as to allow the connecting part to displace relative to the main body part.

公开(公告)号：US20240405315A1

公开(公告)日：2024-12-05

申请号：US18798850

申请日：2024-08-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yujia Hou

IPC: H01M10/653 ,  H01M4/02 ,  H01M4/36 ,  H01M4/58 ,  H01M10/613 ,  H01M10/615 ,  H01M10/625 ,  H01M10/6555 ,  H01M10/6557 ,  H01M50/209 ,  H01M50/242 ,  H01M50/249 ,  H01M50/262 ,  H01M50/342

Abstract: A battery and an electrical apparatus are provided. The battery includes a box, a battery cell, and a reinforcing member. The box has an accommodating cavity, and the battery cell is accommodated in the accommodating cavity. The battery cell includes an electrode assembly and an electrode terminal, the electrode assembly being electrically connected to the electrode terminal. The battery cell includes a first wall, the first wall being a wall with the largest area of the battery cell. The reinforcing member is arranged opposite to the first wall, fixedly connected to the first wall, and thermally conductively connected to the first wall.

公开(公告)号：US20240396151A1

公开(公告)日：2024-11-28

申请号：US18796370

申请日：2024-08-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huimin MIAO ,  Xiaoyin YU ,  Xin PAN

IPC: H01M50/271 ,  H01M50/209 ,  H01M50/24 ,  H01M50/262

Abstract: A battery box upper cover including a top wall, a side wall, and an edge portion is described. A first end of the side wall is connected to the top wall, an opening of the battery box upper cover is formed at a second end of the side wall, and the second end is connected to the edge portion. The edge portion extends along a first direction at the second end, the first direction being parallel to a plane on which the opening is located and away from the opening, a second surface of the edge portion is inclined toward the plane on which the opening is located along the first direction, and a first surface of the edge portion is away from the top wall relative to the second surface. Embodiments can solve the problem of insufficient safety performance of the battery.

公开(公告)号：US12148927B2

公开(公告)日：2024-11-19

申请号：US17440085

申请日：2019-03-29

Applicant: Bayerische Motoren Werke Aktiengesellschaft ,  Contemporary Amperex Technology Co., Limited

Inventor： Sven Klein ,  Jan-Patrick Schmiegel ,  Hao Jia ,  Tobias Placke ,  Martin Winter ,  Jakub Reiter ,  Lydia Terborg ,  Quan Fan

IPC: H01M4/525 ,  H01M4/131 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: A lithium battery including an anode having an active anode material, a cathode having an active cathode material. The cathode material includes lithium nickel cobalt manganese cobalt oxide (NCM). An electrolyte separates the anode and cathode. The electrolyte includes a solvent or solvent mixture and lithium hexafluorophosphate, and a germanium organyl-based electrolyte additive. Also disclosed are uses of the germanium organyl-based electrolyte additive in the lithium battery for enhancing one characteristic selected from the group consisting of reversible capacity, Coulombic efficiency, cyclic stability and combinations thereof.

公开(公告)号：US20240380051A1

公开(公告)日：2024-11-14

申请号：US18781001

申请日：2024-07-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhenjie SUI ,  Xiaofeng HU

IPC: H01M50/244 ,  H01M50/209

Abstract: This application provides an alignment mechanism for adjusting alignment of multiple components. The alignment mechanism includes a connecting rod, arranged to extend along a first direction, and at least two claws, spaced from each other along the first direction on the connecting rod. The claw includes a main body extending along a second direction. The first direction is perpendicular to the second direction. The claw further includes holding parts spaced from each other along the second direction on the main body to form a holding space movable along the second direction to adjust size of the holding space, allowing the components to be aligned. This alignment mechanism can adjust the alignment of battery cells and related components during the arrangement and assembly process of the battery cells and related components.

公开(公告)号：US20240380039A1

公开(公告)日：2024-11-14

申请号：US18783799

申请日：2024-07-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Denghua LIN ,  Xinxiang CHEN ,  Long CHEN ,  Yulian ZHENG ,  Peng WANG ,  Haizu JIN

IPC: H01M50/171 ,  H01M50/198 ,  H01M50/636

Abstract: The present application provides a battery top cover, a top cover assembly, a battery cell, a battery, and a power consuming device. The battery top cover includes: a cover body and at least one mounting hole formed on the cover body. The mounting hole is configured to receive a hot melt of an insulating member, the mounting hole has a bottom wall and a side wall connected to the bottom wall, an end of the side wall away from the bottom wall has an opening, and the bottom wall is provided with a first protrusion protruding toward the opening. The first protrusion is configured to contact with the hot melt in the insulating member, so that energy may be concentrated to the first protrusion during an ultrasonic hot melting process, enabling the hot melt to be melted quickly and filled into the mounting hole.

公开(公告)号：US20240379968A1

公开(公告)日：2024-11-14

申请号：US18639626

申请日：2024-04-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai WU ,  Yu ZHANG ,  Qingrui XUE ,  Zige ZHANG ,  Zhengyuan ZHAO ,  Jinsong ZHANG

IPC: H01M4/66 ,  H01M10/04

Abstract: A battery cell of a cylindrical structure includes a wound electrode assembly. An electrode plate of the electrode assembly includes a current collector, and the current collector includes a support layer and a conductive layer. In a thickness direction of the current collector, the conductive layer is disposed on at least one side of the support layer, and elongation of the support layer is greater than elongation of the conductive layer. In the thickness direction of the current collector, the support layer has a thickness greater than a total thickness of the conductive layer of the current collector.

公开(公告)号：US12140413B2

公开(公告)日：2024-11-12

申请号：US18620924

申请日：2024-03-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaowei Zhang ,  Zhiwen Wang ,  Wei Zhang ,  Yuqian Wen ,  Minghao Tang ,  Shengwu Zhang

IPC: G01B11/14 ,  H01M10/04

Abstract: A cell winding calibration method includes: obtaining a first reference distance between first and second reference lines; obtaining a reference number of pixels included in the first reference distance, and determining, based on the first reference distance and the reference number of pixels included in the first reference distance, an actual distance corresponding to a single pixel; obtaining an actual number of pixels included in a distance between an edge of a winding substrate and the first or second reference line, and determining real-time position information of the edge of the winding substrate based on the actual number of pixels included in the distance between the edge of the winding substrate and the first or second reference line and the actual distance corresponding to a single pixel; and calibrating the winding substrate based on the real-time position information of the edge of the winding substrate.