材料科学
过渡金属
氧化还原
阴极
离子
金属
化学工程
氧化物
纳米技术
钠
无机化学
电化学
电极
化学
冶金
物理化学
工程类
催化作用
有机化学
生物化学
作者
Zhengbo Liu,Xijun Xu,Shaomin Ji,Liyan Zeng,De-Chao Zhang,Jun Liu
标识
DOI:10.1002/chem.201905131
摘要
Sodium-ion batteries (SIBs) have attracted much attention due to their abundance, easy accessibility, and low cost. All of these advantages make them potential candidates for large-scale energy storage. The P2-type layered transition-metal oxides (Nax TMO2 ; TM=Mn, Co, Ni, Ti, Fe, V, Cr, and a mixture of multiple elements) exhibit good Na+ ion conductivity and structural stability, which make them an excellent choice for the cathode materials of SIBs. Herein, the structural evolution, anionic redox reaction, some challenges, and recent progress of Nax TMO2 cathodes for SIBs are reviewed and summarized. Moreover, a detailed understanding of the relationship of chemical components, structures, phase compositions, and electrochemical performance is presented. This Review aims to provide a reference for the development of P2-type layered transition-metal oxide cathode materials for SIBs.
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