公开(公告)号：US20240234825A1

公开(公告)日：2024-07-11

申请号：US18617472

申请日：2024-03-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haihe XIAO ,  Xiaowen ZHANG ,  Shuangjuan PENG ,  Yaping HUANG ,  Qiang LIU ,  Baiqing LI ,  Haizu JIN

IPC: H01M10/0583 ,  H01M50/46 ,  H01M50/533 ,  H01M50/538

CPC classification number: H01M10/0583 ,  H01M50/46 ,  H01M50/533 ,  H01M50/538

Abstract: An electrode plate includes a folding guide portion. The folding guide portion guides folding of the electrode plate.

公开(公告)号：US20240120497A1

公开(公告)日：2024-04-11

申请号：US18386606

申请日：2023-11-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xin SUN ,  Huanji LIU ,  Xiao CHEN ,  Ziyi YIN ,  Haizu JIN

IPC: H01M4/66 ,  H01M4/04 ,  H01M10/04 ,  H01M50/103 ,  H01M50/209 ,  H01M50/249

CPC classification number: H01M4/662 ,  H01M4/0404 ,  H01M10/0413 ,  H01M50/103 ,  H01M50/209 ,  H01M50/249 ,  H01M2004/021

Abstract: The present application relates to a current collector, an electrode plate, a battery cell, a battery, and an electric device. The current collector includes a stainless steel current-collecting portion for collecting a current, where the stainless steel current-collecting portion includes a blank area and a coating area that are arranged adjacent to each other in a preset direction, the coating area is configured to be coated with an active material, and the blank area has a hardness less than that of the coating area.

公开(公告)号：US20240052110A1

公开(公告)日：2024-02-15

申请号：US18381178

申请日：2023-10-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianghui LIN ,  Yanjie ZHAO ,  Xing LI ,  Haizu JIN

IPC: C08G79/14 ,  H01M4/62

CPC classification number: C08G79/14 ,  H01M4/623 ,  H01M2220/20

Abstract: The present application relates to a binder compound of formula (I), a method for preparing the same, and an electrode sheet comprising the same. In formula (I), R1, R2, and R3 each independently represents an unsubstituted or substituted linear or branched alkyl with 1-6 carbon atoms, or an unsubstituted or substituted aryl with 6-20 carbon atoms; R4 represents —COOM; R5 represents a bridging oxo or bridging imino; each M independently represents one of Li, Na, K, Rb, and Cs; Z represents a linear or branched alkylene with 1-6 carbon atoms; m is an integer selected from 7,600 to 47,000; n is an integer selected from 1,520 to 94,000; and m/n=0.1-10.

公开(公告)号：US20230395952A1

公开(公告)日：2023-12-07

申请号：US18449511

申请日：2023-08-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/547 ,  H01M50/169

CPC classification number: H01M50/547 ,  H01M50/169 ,  H01M2220/20

Abstract: A battery cell includes a first surface, a second surface, and a first electrode terminal. A first region of an edge of the first surface is recessed to form a first recess. The second surface is configured to arrange the first electrode terminal. The first surface and the second surface are perpendicular to a first direction. The first electrode terminal protrudes from the second surface in the first direction and faces the first recess. In the first direction, a depth of the first recess is greater than a height of the first electrode terminal, and a projection area of the first recess on the first surface is greater than a projection area of the first electrode terminal on the first surface.

公开(公告)号：US20230369713A1

公开(公告)日：2023-11-16

申请号：US18351954

申请日：2023-07-13

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuyong LEI ,  Zhijun GUO ,  Peng WANG ,  Haizu JIN

IPC: H01M50/342

CPC classification number: H01M50/3425 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery cell includes a pressure relief body, a pressure relief mechanism, and a protective member. The pressure relief mechanism is arranged on the pressure relief body. At least a part of the protective member is located on a side of the pressure relief mechanism away from an interior of the battery cell, and covers the pressure relief mechanism. The pressure relief mechanism includes an opening portion configured to, in response to an internal pressure or temperature of the battery cell reaching a threshold value, be opened and destruct the protective member to release the pressure when.

公开(公告)号：US20230336014A1

公开(公告)日：2023-10-19

申请号：US18329278

申请日：2023-06-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianghui LIN ,  Yanjie ZHAO ,  Xing LI ,  Haizu JIN

IPC: H02J7/00 ,  H01M4/13 ,  H01M10/44

CPC classification number: H02J7/0069 ,  H02J7/0048 ,  H02J7/00712 ,  H01M4/13 ,  H01M10/44 ,  H01M2004/028

Abstract: A method for supplementing lithium for a secondary battery includes performing a first round of lithium-supplementing charge and discharge on the secondary battery during routine charge-and-discharge cycles of the secondary battery if a capacity of the secondary battery has reduced by k1 in comparison with an initial capacity and performing a round of lithium-supplementing charge and discharge on the secondary battery after the first round of lithium-supplementing charge and discharge if the capacity of the secondary battery has reduced by k2 in comparison with the capacity achieved after a previous round of lithium-supplementing charge and discharge. k1 and k2 each are in a range from 1.5% to 17%. In a round of lithium-spplementing charge and discharge, a number of times of charge and discharge is at least one and a charge cut-off voltage is in a range from 4.45 V to 5 V.

公开(公告)号：US20230318073A1

公开(公告)日：2023-10-05

申请号：US18328719

申请日：2023-06-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qian LIU ,  Yonghuang YE ,  Haizu JIN ,  Quanguo LI ,  Xiaofu XU ,  Jianfu HE

IPC: H01M10/647 ,  H01M50/209 ,  H01M50/51

CPC classification number: H01M10/647 ,  H01M50/209 ,  H01M50/51

Abstract: A battery module includes one or more first battery cells and one or more second battery cells. A first number a of the one or more first battery cells is greater than or equal to a second number b of the one or more second battery cells. A first product X1 of a first volumetric energy density E1 and a first thickness T1 of each of the one or more first battery cells and a second product X2 of a second volumetric energy density E2 and a second thickness T2 of each of the one or more second battery cells satisfy. 0.35≤X1/X2≤18.

公开(公告)号：US20230231263A1

公开(公告)日：2023-07-20

申请号：US18054375

申请日：2022-11-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Quanguo LI ,  Yonghuang YE ,  Haizu JIN ,  Chengdu LIANG ,  Qian LIU

IPC: H01M50/358 ,  H01M10/6555 ,  H01M50/204

CPC classification number: H01M50/358 ,  H01M10/6555 ,  H01M50/204

Abstract: This application provides a battery, an apparatus, and a manufacturing method and an apparatus of batteries, and relates to the field of energy storage technologies. The battery includes two battery cells and two discharge channels. The two battery cells each include a pressure relief mechanism, and the pressure relief mechanism is configured to be actuated when internal pressure or temperature in the battery cell reaches a threshold, to release the internal pressure. The two discharge channels are configured to collect emissions respectively from the corresponding battery cell when the pressure relief mechanism is actuated.

公开(公告)号：US20230138600A1

公开(公告)日：2023-05-04

申请号：US18069975

申请日：2022-12-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qianqian ZHANG ,  Yanjie ZHAO ,  Xing LI ,  Haizu JIN

IPC: H01M4/62 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/04 ,  H01M10/0525

Abstract: A positive electrode slurry includes a manganese-containing positive active material and a positive electrode additive. The positive electrode additive includes a compound represented by Formula (I), where A and B are same and are any one selected from atoms N, O, and S, and R1, R2, R3, R4, R5, R6, R7, and R8 are, each independently, selected from hydrogen or an alkyl with a carbon number of 1-7.

公开(公告)号：US20230076751A1

公开(公告)日：2023-03-09

申请号：US17985851

申请日：2022-11-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaofu XU ,  Yonghuang YE ,  Haizu JIN ,  Chengdu LIANG ,  Wenwei CHEN ,  Quanguo LI

IPC: H01M10/617 ,  H01M10/647 ,  H01M10/6556 ,  H01M10/04

Abstract: Embodiments of this application provide a battery, an apparatus using a battery, and a manufacturing method and a manufacturing device of battery. The battery includes a battery cell and a thermal management component. The battery cell has a side wall and a bottom wall that are connected to each other. The thermal management component is configured to accommodate fluid to regulate temperature of the battery cell, where an accommodating portion is provided on the thermal management component, and configured to accommodate the battery cell, and the accommodating portion is attached to the bottom wall and side wall of the battery cell, to enable heat transfer between the battery cell and the thermal management component. The battery cell in the battery provided in the embodiments of this application can dissipate heat efficiently.