公开(公告)号：US20240162568A1

公开(公告)日：2024-05-16

申请号：US18416863

申请日：2024-01-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Linting DING ,  Haiming ZHANG ,  Daichun TANG ,  Chunmei SHI

IPC: H01M50/449 ,  H01M10/0525

CPC classification number: H01M50/449 ,  H01M10/0525

Abstract: A separator includes a base film and a coating which covers a surface of the base film. The coating includes a main body and an edge portion arranged on the periphery of the main body. The edge portion has a greater thickness than the main body, and the edge portion is provided with several patterns arranged at intervals.

公开(公告)号：US20230344085A1

公开(公告)日：2023-10-26

申请号：US18218593

申请日：2023-07-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yong HU ,  Chunmei SHI ,  Haiming ZHANG ,  Chenglong YANG ,  Linting DING ,  Daichun TANG

IPC: H01M50/489 ,  H01M50/42 ,  H01M50/434 ,  H01M50/451 ,  G01N21/64

CPC classification number: H01M50/489 ,  H01M50/42 ,  H01M50/434 ,  H01M50/451 ,  G01N21/643 ,  G01N2021/6439

Abstract: The present application provides a separator, a secondary battery, a battery module, a battery pack and an electrical apparatus. The separator may sequentially include a first region, a main region and a second region in a first direction. At least one surface of the first region and/or at least one surface of the second region may be provided with a fluorescent coating. The fluorescent coating may be used to identify whether the separator is folded or not.