公开(公告)号：US20220102714A1

公开(公告)日：2022-03-31

申请号：US17547284

申请日：2021-12-10

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xin Feng ,  Jinyang Song ,  Xin Sun ,  Huisen Su ,  Chuanmiao Yan

IPC: H01M4/38 ,  H01M4/583 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0585 ,  H01M10/0525 ,  H01M50/209

Abstract: The present application refers to secondary battery and battery module, battery pack and apparatus including the secondary battery. In particular, the secondary battery includes a housing as well as an electrode assembly and an electrolyte contained in the housing; the electrode assembly includes a positive electrode plate, a negative electrode plate and a separator, and the positive electrode plate includes a positive current collector and a positive electrode film that is disposed on at least one surface of the positive electrode current collector and includes a positive electrode active material; the positive electrode active material includes one or more of lithium nickel cobalt manganese oxide and lithium nickel cobalt aluminum oxide; the negative electrode plate includes a negative electrode current collector and a negative electrode film that is disposed on at least one surface of the negative electrode current collector and includes a negative electrode active material.

公开(公告)号：US11658294B2

公开(公告)日：2023-05-23

申请号：US17547284

申请日：2021-12-10

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xin Feng ,  Jinyang Song ,  Xin Sun ,  Huisen Su ,  Chuanmiao Yan

IPC: H01M4/38 ,  H01M4/583 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0585 ,  H01M10/0525 ,  H01M50/209

CPC classification number: H01M4/386 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/209 ,  H01M2220/20

Abstract: The present application refers to secondary battery and battery module, battery pack and apparatus including the secondary battery. In particular, the secondary battery includes a housing as well as an electrode assembly and an electrolyte contained in the housing; the electrode assembly includes a positive electrode plate, a negative electrode plate and a separator, and the positive electrode plate includes a positive current collector and a positive electrode film that is disposed on at least one surface of the positive electrode current collector and includes a positive electrode active material; the positive electrode active material includes one or more of lithium nickel cobalt manganese oxide and lithium nickel cobalt aluminum oxide; the negative electrode plate includes a negative electrode current collector and a negative electrode film that is disposed on at least one surface of the negative electrode current collector and includes a negative electrode active material.