Mitigating the Jahn–Teller distortion and phase transition in the P2-Na0.67Ni0.33Mn0.67O2 cathode through large Sr2+ ion substitution for improved performance

Author:

Zhang Xilong1,Xie Fei1,Wang Xuejie1,Liu Tao1ORCID,Zhang Liuyang1ORCID,Yu Jiaguo1ORCID

Affiliation:

1. Laboratory of Solar Fuel, Faculty of Materials Science and Chemistry, China University of Geosciences, 68 Jincheng Street, Wuhan, 430078, P. R. China

Abstract

Sr2+, the “pillar” in the P2 structure, suppresses the phase transition, inhibits the Jahn–Teller distortion, and improves the performance of layered oxide cathodes in SIBs.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hubei Province

China University of Geosciences

Publisher

Royal Society of Chemistry (RSC)

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