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：US20230335778A1

公开(公告)日：2023-10-19

申请号：US18213277

申请日：2023-06-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M10/0587 ,  H01M10/04

CPC classification number: H01M10/0409 ,  H01M10/0431 ,  H01M10/0587

Abstract: A winding method may comprise clamping heads of an anode plate, a cathode plate and a separator between a first half winding needle and a second half winding needle of a winding needle assembly at a winding station; and rotating the winding needle assembly at the winding station to wind the anode plate, the cathode plate and the separator to form an electrode assembly.