公开(公告)号：US20240297330A1

公开(公告)日：2024-09-05

申请号：US18664280

申请日：2024-05-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peichao WANG ,  Xiaoyuan LI ,  Chao XIE ,  Guoda HUANG ,  Yiruo WANG ,  Shengsheng HU ,  Wankui ZHAO ,  Gang LIN ,  Yaojin CHEN

IPC: H01M10/04 ,  B65H21/00 ,  B65H23/18

CPC classification number: H01M10/0409 ,  B65H21/00 ,  B65H23/18 ,  H01M10/0431

Abstract: A winding device includes a first unwinding apparatus, configured to output a first electrode plate; a first cutting apparatus, disposed downstream of the first unwinding apparatus, and configured to cut the first electrode plate into a first part and a second part along a length direction of the first electrode plate; and a winding apparatus, disposed downstream of the first cutting apparatus, and including a first winding portion and a second winding portion capable of simultaneous winding movement. The first winding portion is configured to wind the first part of the first electrode plate to form a first electrode assembly. The second winding portion is configured to wind the second part of the first electrode plate to form a second electrode assembly.

公开(公告)号：US20240006649A1

公开(公告)日：2024-01-04

申请号：US18236944

申请日：2023-08-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wankui ZHAO ,  Yaojin CHEN ,  Gang LIN ,  Yiruo WANG ,  Peichao WANG ,  Guoda HUANG ,  Chao XIE ,  Wei CHEN

IPC: H01M10/04 ,  H01M50/46 ,  H01M4/13

CPC classification number: H01M10/0431 ,  H01M50/46 ,  H01M4/13 ,  H01M2004/021

Abstract: The present disclosure relates to an electrode assembly, a battery cell, a battery, an electrical equipment, a winding equipment, and a method, which belongs to the battery technology field. The electrode assembly may include a first electrode plate and a second electrode plate with opposite polarity, wherein the first electrode plate and the second electrode plate may be stacked and wound along the winding direction to form the electrode assembly, wherein the first electrode plate may include a first segment and a second segment, wherein the first segment may be provided with a first active substance layer, and the second segment may be provided with a second active substance layer, and the first segment may be located upstream of the second segment along the winding direction from inside to outside.

公开(公告)号：US20240234785A1

公开(公告)日：2024-07-11

申请号：US18615409

申请日：2024-03-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Chao XIE ,  Yiruo WANG ,  Gang LIN ,  Yaojin CHEN

IPC: H01M10/04

CPC classification number: H01M10/0409 ,  H01M10/0431

Abstract: A cell winding device and method are disclosed. The cell winding device includes a first cutting unit, a first connection unit, a winding unit, and a second cutting unit. The first cutting unit is configured to perform cutting on an electrode sheet. The first connection unit is adjacent to the first cutting unit, and configured to connect, through a connection tape, adjacent electrode sheets that have been subject to the cutting. The winding unit is configured to perform winding on the adjacent electrode sheets connected through the connection tape and drive, in response to completion of the winding, the electrode sheets that are wound to move, in such a manner that the connection tape corresponds to the second cutting unit. The second cutting unit is configured to perform cutting on the connection tape. A winding efficiency for a battery cell is improved.

公开(公告)号：US20230241727A1

公开(公告)日：2023-08-03

申请号：US18132119

申请日：2023-04-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kun YANG ,  Gang LIN ,  Xiang FAN ,  Tengteng WANG

IPC: B23K37/02

CPC classification number: B23K37/0247 ,  B23K37/0211

Abstract: Disclosed is a welding device, which includes a drive unit, a first connecting rod, a second connecting rod, a welding head and a welding base. The drive unit is in driving connection to one end of the first connecting rod and one end of the second connecting rod; another end of the first connecting rod is in driving connection to the welding head, and is configured for causing, being driven by the drive unit, the welding head to move in a direction close to or away from the welding base; and another end of the second connecting rod is in driving connection to the welding base, and is configured for causing, being driven by the drive unit, the welding base to move in a direction close to or away from the welding head. The present application can ensure the synchronous movement of the welding head and the welding base.

公开(公告)号：US20240266586A1

公开(公告)日：2024-08-08

申请号：US18638655

申请日：2024-04-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Guohang LIAO ,  Zhiyang WU ,  Yiruo WANG ,  Gang LIN ,  Jinghua HUANG

IPC: H01M10/04

CPC classification number: H01M10/0431

Abstract: Embodiments of this application provide an electrode assembly, a battery cell, a battery, and an electric apparatus. The electrode assembly includes a first electrode plate, a second electrode plate, and at least one separator for separating the first electrode plate from the second electrode plate. The first electrode plate and the second electrode plate have opposite polarities, and the first electrode plate, the second electrode plate, and at least one separator are wound together. A length of the at least one separator is L1, and a length of the first electrode plate is L2, where |L1−L2|≤50 mm.

公开(公告)号：US20240243333A1

公开(公告)日：2024-07-18

申请号：US18619832

申请日：2024-03-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Guangyao WANG ,  Xiang FAN ,  Gang LIN

IPC: H01M10/04

CPC classification number: H01M10/0404 ,  H01M10/0481 ,  H01M10/049

Abstract: Embodiments of the present application provide a feeding device for loading a material into a container, which relates to the technical field of product assembly. The feeding device is configured to load a material into a container having an opening. The feeding device includes a pressing unit. The pressing unit includes a pressing member having a pressing plane, and a driving member configured to drive the pressing member to move cyclically along a closed track. The closed track includes a first planar track segment, and when the pressing member moves along the first planar track segment, the pressing plane forms surface contact with the material and keeps extending in a material loading direction, the material loading direction being a movement direction of the material relative to the container. The feeding device can reduce damage to the material during a feeding process.

公开(公告)号：US20240079628A1

公开(公告)日：2024-03-07

申请号：US18202207

申请日：2023-05-25

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Guangyao WANG ,  Xiang FAN ,  Gang LIN

IPC: H01M10/04

CPC classification number: H01M10/0404

Abstract: Embodiments of the present application provide a feeding device for loading a material into a container, which relates to the technical field of product assembly. The feeding device is configured to load a material into a container having an opening. The feeding device includes a pressing unit. The pressing unit includes a pressing member having a pressing plane, and a driving member configured to drive the pressing member to move cyclically along a closed track. The closed track includes a first planar track segment, and when the pressing member moves along the first planar track segment, the pressing plane forms surface contact with the material and keeps extending in a material loading direction, the material loading direction being a movement direction of the material relative to the container. The feeding device can reduce damage to the material during a feeding process.

公开(公告)号：US20230356972A1

公开(公告)日：2023-11-09

申请号：US18312764

申请日：2023-05-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peichao WANG ,  Yiruo WANG ,  Chao XIE ,  Guoda HUANG ,  Shengsheng HU ,  Gang LIN

IPC: B65H23/02 ,  H01M10/04 ,  B65H23/032

CPC classification number: B65H23/0204 ,  H01M10/0409 ,  B65H23/032 ,  B65H2701/1315

Abstract: A deviation correction apparatus includes a width detecting apparatus configured to detect a width of a coating layer of an electrode plate, a processor communicatively connected with the width detecting apparatus and configured to determine a centerline position of the electrode plate based on the width of the coating layer, and a deviation correction mechanism configured to perform deviation correction for the electrode plate based on the centerline position of the electrode plate and a preset standard centerline position.

公开(公告)号：US20240266580A1

公开(公告)日：2024-08-08

申请号：US18618881

申请日：2024-03-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhiyang WU ,  Chao XIE ,  Yiruo WANG ,  Gang LIN

IPC: H01M10/04 ,  B32B37/20 ,  B32B38/00 ,  B32B38/18 ,  H01M10/0587 ,  H01M50/46

CPC classification number: H01M10/0404 ,  B32B37/20 ,  B32B38/0004 ,  B32B38/1833 ,  B32B38/1875 ,  H01M10/0587 ,  H01M50/46 ,  B32B2309/72 ,  B32B2457/10

Abstract: A manufacturing device for an electrode assembly comprises a first electrode plate feeding mechanism for conveying a first electrode plate, a first separator feeding mechanism for conveying a first separator, a second separator feeding mechanism for conveying a second separator, and a compounding mechanism provided downstream the first electrode plate feeding mechanism, the first separator feeding mechanism, and the second separator feeding mechanism. The compounding mechanism is used for sequentially laminating and compounding the first separator, the first electrode plate, and the second separator into a first electrode plate complex. The manufacturing device further comprises a second electrode plate feeding mechanism for conveying a second electrode plate having opposite polarity than the first electrode plate, and a winding mechanism provided downstream the compounding mechanism and the second electrode plate feeding mechanism and used for winding the first electrode plate complex and the second electrode plate to form an electrode assembly.

公开(公告)号：US20240017361A1

公开(公告)日：2024-01-18

申请号：US18213734

申请日：2023-06-23

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Tianxiang QUE ,  Xiang FAN ,  Gang LIN ,  Qingsong XIE

IPC: B23K37/04

CPC classification number: B23K37/04 ,  H01M10/0404

Abstract: The present application relates to a welding press head tool and a welding device. The welding press head tool includes at least one press head assembly, each including: a press plate provided with a first through hole penetrating the press plate in a first direction; a press head movably connected to one side of the press plate in the first direction and capable of having a first gap with the press plate when the press head moves relative to the press plate, where the press head has a second through hole penetrating the press head in the first direction, and the first through hole and the second through hole are in communication to jointly define a welding channel for providing a welding space; and at least two groups of blocking assemblies arranged between the press plate and the press head.