公开(公告)号：US20210119204A1

公开(公告)日：2021-04-22

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 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/04

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