期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 15, 期 22, 页码 8705-8709出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cp51167g
关键词
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资金
- Young Scientists Foundation of Sichuan [09ZQ026-029]
- Hunan Provincial Natural Science Foundation [12JJ5014]
- Fundamental Research Funds for the Central Universities, Hunan University
Using first principles calculations based on density functional theory, the adsorption and diffusion properties of Li and Mg atoms on single-layered and bulk V2O5 are investigated. The simulation results show that the diffusion barrier of Li on the single-layered V2O5 is decreased compared with that of the bulk V2O5, which indicates that the Li mobility can be significantly enhanced on the single-layered V2O5. The increased binding energies of Li to single-layered V2O5 make them more attractive for promising cathode materials. Although the diffusion barrier of Mg on the single-layered V2O5 does not decrease, the binding energies of Mg to single-layered V2O5 is increased compared with that of bulk V2O5, thus the single-layered V2O5 is an attractive cathode material for rechargeable ion batteries.
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