期刊
Advanced Energy Materials
标题
Promoting Reversibility of Co-Free Layered Cathodes by Al and Cation Vacancy
作者
Tongshuai Wang, Jia Yang, Hailong Wang, Wei Ma, Miao He, Yufang He, Xiangming He
摘要
Co-Free Layered Cathodes
In article number 2204241, Hailong Wang, Xiangming He, and co-workers report a cation vacancy assisted Al substitution strategy to enhance the reversibility of Co-free layered cathodes. A small amount of cation vacancies greatly enhances Li+ diffusivity and effectively mitigates lattice strain of the Co-free layered cathode, which gives rise to a large reversible capacity and enhanced coulombic efficiency during electrochemical cycling.
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