Enhancing humidity resistance of nickel-rich layered cathode materials by low water-soluble CaF2 coating

Author:

Zhang Zijian1,Feng Jiajin1,He Ran1,Zhang Yelong1ORCID,Zhu Hangmin1,Wu Feng1,Zeng Qingguang1,Yu Hui2ORCID,Hui Kwun Nam3,Liu Xi2ORCID,Wang Da1ORCID

Affiliation:

1. School of Applied Physics and Materials, Wuyi University, Jiangmen, 529020, China

2. Guangdong-Hong Kong Joint Laboratory for New Textile Materials, College of Textile Science and Engineering, Wuyi University, Jiangmen, 529020, China

3. Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macao

Abstract

The coating of a low-water-soluble but hydrophilic compound, CaF2, is demonstrated to be effective in not only alleviating side reactions with electrolytes, but also protecting nickel-rich cathodes from the erosion of moisture and even water.

Funder

Wuyi University

National Natural Science Foundation of China

Guangdong Provincial Pearl River Talents Program

Publisher

Royal Society of Chemistry (RSC)

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