公开(公告)号：US20240213491A1

公开(公告)日：2024-06-27

申请号：US18430630

申请日：2024-02-01

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Manman Wang ,  Xiaoming Ge

IPC: H01M4/66 ,  H01M4/02 ,  H01M4/80

CPC classification number: H01M4/661 ,  H01M4/80 ,  H01M2004/021 ,  H01M2220/20

Abstract: This application provides a porous material and a preparation method thereof, a current collector, a secondary battery, and an apparatus. The porous material has pores of a first pore size and pores of a second pore size. The second pore size is m nanometers, and 10

公开(公告)号：US20240363871A1

公开(公告)日：2024-10-31

申请号：US18765349

申请日：2024-07-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Manman Wang ,  Feng Liu ,  Xiaoming Ge

IPC: H01M4/80 ,  H01M4/66

CPC classification number: H01M4/808 ,  H01M4/661

Abstract: An electrode sheet, a battery cell, a battery, an electrical device, and a manufacturing method for the electrode are provided. The electrode sheet includes a porous current collector, the porous current collector includes a main body and an end portion which are integrally formed, the weight per unit volume of the end portion is larger than the weight per unit volume of the main body, the thickness of the end portion is smaller than the thickness of the main body, the thickness of the end portion is D1, satisfying 5 μm≤D1≤100 μm.

公开(公告)号：US20240194996A1

公开(公告)日：2024-06-13

申请号：US18582649

申请日：2024-02-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Manman Wang ,  Yulei Fan ,  Xiaoming Ge

IPC: H01M50/24 ,  H01M50/227 ,  H01M50/249 ,  H01M50/30

CPC classification number: H01M50/24 ,  H01M50/227 ,  H01M50/249 ,  H01M50/394 ,  H01M2220/20

Abstract: Provided are a battery cell, a battery, a power consumption device, and a manufacturing method for a battery cell. The battery cell includes a housing, a protective member, a cell, an elastic member, a first gas-permeable component and a second gas-permeable component. The protective member is mounted on an inner wall of the housing and separates an inner space of the housing into a first chamber and a second chamber, the cell is disposed in the first chamber, the elastic member is disposed in the second chamber and located between the housing and the protective member, the protective member is configured such that the elastic member is compressed with expansion of the cell and stretched with contraction of the cell.