Promoting fast Na-storage and fabricating a stable layered cathode for sodium-ion batteries via site-selective substitution in triple crystallographic sites

Author:

Li Zheng-Yao1ORCID,Ma Xiaobai1,Sun Kai1ORCID,Ning Fanghua2ORCID,Sun Limei1,Tian Gengfang1,Gao Jianxiang1,Wang Hongliang1,Chen Dongfeng1ORCID

Affiliation:

1. Neutron Scattering Laboratory, Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China

2. Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, China

Abstract

An advanced Na0.66Ca0.05[Ni0.25Li0.11Mn0.64]O1.95F0.05 with fast Na storage and long-life was designed via a site-selective substitution of Ca2+, Li+ and F, and investigated by a series of physical/electrochemical tests and theoretical calculation.

Funder

China Institute of Atomic Energy

Ministry of Science and Technology of the People's Republic of China

Publisher

Royal Society of Chemistry (RSC)

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