公开(公告)号：US11522187B2

公开(公告)日：2022-12-06

申请号：US16956025

申请日：2018-12-04

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Yagmur Celasun ,  Jens Paulsen ,  Shinichi Kumakura ,  Areum Park ,  Jukyoung Lee ,  Taehyeon Yang

IPC: H01M4/525 ,  H01M4/505 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/04 ,  H01M10/0525

Abstract: The invention provides a positive electrode active material for a lithium ion battery, comprising a lithium transition metal-based oxide powder, the powder comprising single crystal monolithic particles comprising Ni and Co and having a general formula Li1+a ((Niz (Ni1/2 Mn1/2)y Cox)1−kAk)1-a 02, wherein A is a dopant, −0.02