Rational rock-salt phase engineering of a nickel-rich layered cathode interface for enhanced rate and cycling stability

Author:

Wang Wenjie1,Shi Yanke1,Li Pengfei1,Wang Ruiqing2,Ye Fei2,Zhang Xiaoyu1,Li Wei2,Wang Zhuosen1,Xu Chunyang1,Xu Dongqing3,Xu Qun1ORCID,Cui Xinwei1ORCID

Affiliation:

1. Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, Henan 450003, P. R. China

2. Xinxiang Tianli Lithium Energy Co., Ltd., Xinxiang, Henan 453000, P. R. China

3. School of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui 233100, China

Abstract

Engineering the rock-salt phase by Al–N co-doping has been realized for nickel-rich layered cathodes, enhancing Li+ diffusion kinetics, electric conductivity, chemical stability, and mechanical coherence for mitigating chemo-mechanical degradation.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

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