公开(公告)号：US20240055651A1

公开(公告)日：2024-02-15

申请号：US18382890

申请日：2023-10-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Ningbo XU ,  Hailin ZOU ,  Peipei CHEN

IPC: H01M10/056 ,  H01M4/62

CPC classification number: H01M10/056 ,  H01M4/62 ,  H01M2300/0082 ,  H01M2300/008 ,  H01M10/0525

Abstract: A secondary battery contains cyclic siloxane and/or ring-opening polymerization derivative thereof, where a cyclic structure of the cyclic siloxane has at least one




structure, one and only one of R1 and R2 contains a group with stronger electron withdrawing property than phenyl, and the group is directly linked to Si.

公开(公告)号：US20240258529A1

公开(公告)日：2024-08-01

申请号：US18631015

申请日：2024-04-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Ningbo XU ,  Hailin ZOU ,  Peipei CHEN

IPC: H01M4/62 ,  H01M4/04 ,  H01M10/0525 ,  H01M10/0567

CPC classification number: H01M4/628 ,  H01M4/0445 ,  H01M10/0525 ,  H01M10/0567

Abstract: A secondary battery includes a negative electrode plate including a negative electrode material layer, a positive electrode plate including a positive electrode material layer, and an electrolytic solution. At least one of the negative electrode material layer, the positive electrode material layer and the electrolytic solution contains an interface passivator, and the interface passivator is a compound containing an element E selected from lithium, sodium, beryllium, magnesium, potassium, calcium, aluminum, gallium, or germanium.