公开(公告)号：US20230344085A1

公开(公告)日：2023-10-26

申请号：US18218593

申请日：2023-07-06

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

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

CPC分类号： H01M50/489 ,  H01M50/42 ,  H01M50/434 ,  H01M50/451 ,  G01N21/643 ,  G01N2021/6439

摘要： 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.

公开(公告)号：US20240347693A1

公开(公告)日：2024-10-17

申请号：US18627031

申请日：2024-04-04

申请人： CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

发明人： Jingyu GAO ,  Haiming ZHANG ,  Chenglong YANG ,  Xingxing LIU

IPC分类号： H01M4/134 ,  H01M4/02 ,  H01M4/133 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/42

CPC分类号： H01M4/134 ,  H01M4/133 ,  H01M4/364 ,  H01M4/386 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2004/027 ,  H01M2220/20

摘要： A negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface of the negative electrode current collector. The negative electrode film layer includes a negative electrode active material, a metal hydride, a conductive agent and a binder. The negative electrode active material includes a silicon-based negative electrode active material.