期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 26, 期 35, 页码 7747-7766出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201905131
关键词
electrochemistry; layered compounds; redox chemistry; sodium; transition metals
资金
- National Natural Science Foundation of China [51771076]
- Innovative Research Groups of the National Natural Science Foundation of China [NSFC51621001]
- 1000 plan from the Chinese Government
- Guangdong Pearl River Talents Plan [2017GC010218]
- Guangzhou Science and Technology Plan Projects [201804010104]
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 (NaxTMO2; 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 NaxTMO2 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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