Recent progress in high-voltage P2-Na x TMO 2 materials and their future perspectives

P2-type layered materials (Na TMO ) have become attractive cathode electrodes owing to their high theoretical energy density and simple preparation. However, they still face severe phase transition and low conductivity. Current research on Na TMO is mostly focused on the modification of bulk materia...

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Published inRSC advances Vol. 14; no. 34; pp. 24797 - 24814
Main Authors Li, Manni, Lin, Weiqi, Ji, Yurong, Guan, Lianyu, Qiu, Linyuan, Chen, Yuhong, Lu, Qiaoyu, Ding, Xiang
Format Journal Article
LanguageEnglish
Published England 05.08.2024
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Summary:P2-type layered materials (Na TMO ) have become attractive cathode electrodes owing to their high theoretical energy density and simple preparation. However, they still face severe phase transition and low conductivity. Current research on Na TMO is mostly focused on the modification of bulk materials, and the application performances have been infrequently addressed. This review summarizes the information on current common P2-Na TMO materials and discusses their sodium-storage mechanisms. Furthermore, modification strategies to improve their performance are addressed for practical applications based on a range of key parameters (output voltage, specific capacity, and lifespan). We also discuss the future development trends and application prospects for P2 cathode materials.
ISSN:2046-2069
2046-2069
DOI:10.1039/D4RA04790G