Issue 36, 2020

Structural elucidation of the degradation mechanism of nickel-rich layered cathodes during high-voltage cycling

Abstract

Phase transition occurring during cycling plays a fundamentally important role in the cycling performance of nickel-rich cathodes. Here, splitting of two O3 phases, rather than the often observed O1 phases in the conventional LiCoO2 electrode, was discovered in LiNi0.85Co0.10Mn0.05O2 at a high-voltage region (>4.6 V). Such degradation could be mitigated via Al doping.

Graphical abstract: Structural elucidation of the degradation mechanism of nickel-rich layered cathodes during high-voltage cycling

Supplementary files

Article information

Article type
Communication
Submitted
15 Jan 2020
Accepted
23 Mar 2020
First published
23 Mar 2020
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2020,56, 4886-4889

Structural elucidation of the degradation mechanism of nickel-rich layered cathodes during high-voltage cycling

J. Lai, J. Zhang, Z. Li, Y. Xiao, W. Hua, Z. Wu, Y. Chen, Y. Zhong, W. Xiang and X. Guo, Chem. Commun., 2020, 56, 4886 DOI: 10.1039/D0CC00327A

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