公开(公告)号：US20250140941A1

公开(公告)日：2025-05-01

申请号：US18800159

申请日：2024-08-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zeli Wu ,  Changlong Han ,  Bin Jiang ,  Jie Guo

IPC: H01M10/42 ,  H01M4/02 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: This application relates to a lithium-ion battery, a battery, and an electric apparatus. The lithium-ion battery includes an electrolyte and a positive electrode plate. The electrolyte includes a lithium salt, where the lithium salt includes lithium hexafluorophosphate, and based on a total mass of the electrolyte, a mass proportion of the lithium hexafluorophosphate is 15% to 20%. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer disposed on at least one side of the positive electrode current collector and containing a positive electrode active material. This application can improve cycling performance of the lithium-ion battery.

公开(公告)号：US20250140895A1

公开(公告)日：2025-05-01

申请号：US18800152

申请日：2024-08-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zeli Wu ,  Changlong Han ,  Bin Jiang ,  Jie Guo

IPC: H01M10/0525 ,  C30B29/22 ,  H01M4/36 ,  H01M4/48 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: This application relates to a lithium-ion battery, a battery, and an electric apparatus. The lithium-ion battery includes an electrolyte and a positive electrode plate. The electrolyte includes lithium salt, the lithium salt includes lithium hexafluorophosphate, and a mass proportion of the lithium hexafluorophosphate relative to a total mass of the electrolyte is 15% to 20%. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer disposed on at least one side of the positive electrode current collector and containing a positive electrode active material. This application can improve cycling performance of the lithium-ion battery.

公开(公告)号：US20250136400A1

公开(公告)日：2025-05-01

申请号：US19008656

申请日：2025-01-03

Applicant: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED ,  CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaowei Zhang ,  Hui Wei ,  Xiang Wu ,  Guoda Huang ,  Yuqian Wen ,  Minghao Tang ,  Shengwu Zhang

IPC: B65H23/00 ,  B65H23/195

Abstract: The present application discloses a winding method and a winding system, and relates to the technical field of battery fabrication. The winding method includes: obtaining a first parameter and a second parameter of each electrode assembly on a winding needle in real time, the first parameter being any one of a number of winding layers, a sheet length and a winding roll diameter, and the second parameter being one or both of the remaining two of the number of winding layers, the sheet length and the winding roll diameter; comparing the second parameters respectively with corresponding preset parameter ranges, the preset parameter ranges being the ranges of the second parameters corresponding to the first parameters of preset standard models corresponding to the electrode assemblies; and adjusting, in response to the second parameter exceeding the corresponding preset parameter range, sheets to be wound of the corresponding electrode assembly.

公开(公告)号：US20250116567A1

公开(公告)日：2025-04-10

申请号：US18766688

申请日：2024-07-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai WU ,  Yingfeng YU ,  Dengwei LIAN ,  Ning ZHANG ,  Hailun ZHOU ,  Huiying ZHONG ,  Xiaolong LIU ,  Tiecheng WEI ,  Pengfei GUO

IPC: G01M3/32 ,  H01M10/42

Abstract: The present disclosure relates to the field of battery technology, and discloses battery test tooling, and a use method and a control method for battery test tooling. The battery test tooling can improve the versatility of the battery test tooling. The battery test tooling comprises: a bracket, at least two sets of driving assemblies, and pressing members, wherein the driving assemblies are mounted on the bracket; and each set of driving assembly is provided with the pressing member, a pressing face on the pressing member that is away from the bracket being used to abut against a battery to be tested; and each of the pressing members is movable in a direction away from or approaching the bracket under the drive of the driving assembly. The battery test tooling provided in the present application is used to test the battery to be tested.

公开(公告)号：US20250112482A1

公开(公告)日：2025-04-03

申请号：US18979370

申请日：2024-12-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED ,  Contemporary Amperex Intelligence Technology (Shanghai) Limied

Inventor： Bao LI ,  Chuanhui ZHANG

IPC: H02J7/00 ,  B60R16/033 ,  H02J7/02

Abstract: A power supply system includes a charger supporting an alternating current/direct current bidirectional conversion, a battery, an electrical converter and an electrical apparatus. The charger is electrically connected with both the battery and the electrical apparatus, and the battery is electrically connected with the electrical apparatus through the electrical converter.

公开(公告)号：US12249731B2

公开(公告)日：2025-03-11

申请号：US17563933

申请日：2021-12-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xuguang Wang ,  Wencai Xu ,  Jihua Yao ,  Gen Cao

IPC: H01M50/298 ,  B60L50/64 ,  H01M50/103 ,  H01M50/209 ,  H01M50/271 ,  H01M50/502

Abstract: The present application relates to the technical field of energy storage devices, in particular to a battery module, a battery pack, and an apparatus using a battery cell as a power supply, the battery module comprising: a plurality of battery cells, stacked along a length direction; a cover plate, located at an end portion of the battery cells along a height direction; and a wire harness isolation plate assembly, located between the cover plate and the battery cells along the height direction, where the cover plate is plug-connected to the wire harness isolation plate assembly. The solutions of the present application helps to increase energy density of the battery module through reducing the thickness of the cover plate and the wire harness isolation plate assembly while simultaneously improving the connecting reliability of the cover plate and the wire harness isolation plate assembly.

公开(公告)号：US12199300B2

公开(公告)日：2025-01-14

申请号：US18764166

申请日：2024-07-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Sheng Shen

IPC: H01M50/262 ,  B60L50/60 ,  H01M50/209

Abstract: This application provides a battery module, a module combination, a battery pack, and an electric apparatus, where the battery module includes a battery module body and a frame for fastening the battery module body. The frame includes a first side plate, a second side plate, a first end plate, and a second end plate, where the first side plate and the second side plate are disposed opposite each other and located on two sides of the battery module body respectively, and the side plates both extend from the battery module body. The first end plate and the second end plate are disposed opposite each other and located at two ends of the battery module body respectively, and an end portion of the end plate has an overlapping platform and a splicing portion protruding from the overlapping platform.

公开(公告)号：US20240429516A1

公开(公告)日：2024-12-26

申请号：US18822488

申请日：2024-09-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenhui Zhang ,  Chao Long ,  Xingdi Chen ,  Peng Wang

IPC: H01M50/24 ,  B60L50/64 ,  H01M50/249

Abstract: The present disclosure relates to a box body (10), a battery (100), and an electric device. The box body (10) has a battery chamber (s1) and a high-voltage chamber (s2) arranged to be separated from each other. The battery chamber (s1) is configured to accommodate a battery cell (20), and the high-voltage chamber (s2) is configured to accommodate a high-voltage box.

公开(公告)号：US20240429492A1

公开(公告)日：2024-12-26

申请号：US18826219

申请日：2024-09-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianhuang Ke ,  Xiaobo Chen ,  Yao Li ,  Shilong Chen

IPC: H01M10/658 ,  H01M10/651 ,  H01M50/30

Abstract: Embodiments of this application provide a battery and an electric apparatus. The battery includes a box, a battery unit, and a protective member. The box includes a first wall. The battery unit is accommodated within the box, where the battery unit is provided with a pressure relief mechanism, and the pressure relief mechanism is configured to form a pressure relief hole for releasing substances inside the battery unit. The protective member is accommodated within the box, where at least a portion of the protective member is located between the first wall and the pressure relief mechanism and configured to cover the pressure relief hole in an axial direction of the pressure relief hole. battery unitThe embodiments of this application can improve safety of the battery.

公开(公告)号：US20240429428A1

公开(公告)日：2024-12-26

申请号：US18530364

申请日：2023-12-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xin CAO ,  Jun YANG ,  Wei CAO

IPC: H01M10/04

Abstract: This application provides a module tray and a battery production device. The module tray includes: a tray body; a reference member mounted on the tray body and configured for supporting and positioning a battery module in a first direction; a sliding member slidably mounted on the tray body along the first direction and configured to clamp the battery module in cooperation with the reference member; and an adjustment mechanism connected to the sliding member, where the adjustment mechanism is configured to drive the sliding member to move along the first direction and lock a position of the sliding member, and the adjustment mechanism is mounted on the tray body.