Understanding the Degradation Mechanisms of LiNi0.5Co0.2Mn0.3O2 Cathode Material in Lithium Ion Batteries

Jung, Sung‐Kyun; Gwon, Hyeokjo; Hong, Jihyun; Park, Kyu‐Young; Seo, Dong‐Hwa; Kim, Haegyeom; Hyun, Jangsuk; Yang, Woo-Young; Kang, Kisuk

doi:10.1002/aenm.201300787

Public

Understanding the Degradation Mechanisms of LiNi0.5Co0.2Mn0.3O2 Cathode Material in Lithium Ion Batteries

Published in Advanced Energy Materials • Aug 21, 2013

Authors:

Sung‐Kyun Jung

Hyeokjo Gwon

Jihyun Hong

Abstract

LiNixCoyMnzO2 (NCM, 0 ≤ x,y,z 4.3 V) required for high capacity is inevitably accompanied by a more rapid capacity fade over numerous cycles. Here, the degradation mechanisms of LiNi0.5Co0.2Mn0.3O2 are investigated during cycling under various cutoff voltage conditions. The surface lattice structure...

Subject

Materials science

Spinel

Cathode

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