Ca-doped NaV6O15 film electrodes as high-performance cathodes for sodium-ion batteries

Fanglin Liu,Haiyan Xu,Yang He,Hanxiao Bian,Dongcai Li,Aiguo Wang,Daosheng Sun

Journal of Electroanalytical Chemistry（2023）

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摘要

•Ca-doped NaV6O15 films were synthesized by a liquid-phase deposition method.•The films without additional media and are convenient for mechanistic research.•The doped Ca2+ obviously improved electrochemical performance.•The capacity retention reached to 84.72% at 0.5C rate after 100 cycles.•Excellent cyclic ability was attributed to doped Ca2+ that stabilize the structure.

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关键词

Ca-doped NaV6O15,Sodium-ion batteries,Film electrodes,Electrochemical performance

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