Synthesis and electrochemical performance of NaV 3 O 8 nanobelts for Li/Na-ion batteries and aqueous zinc-ion batteries.

NaV ₃ O ₈ nanobelts were successfully synthesized for Li/Na-ion batteries and rechargeable aqueous zinc-ion batteries (ZIBs) by a facile hydrothermal reaction and subsequent thermal transformation. Compared to the electrochemical performance of LIBs and NIBs, NaV ₃ O ₈ nanobelt cathode materials in ZIBs have shown excellent electrochemical performance, including high specific capacity of 421 mA h g ^-1 at 100 mA g ^-1 and good cycle stability with a capacity retention of 94% over 500 cycles at 5 A g ^-1 . The good diffusion coefficients and high surface capacity of NaV ₃ O ₈ nanobelts in ZIBs were in favor of fast Zn ²⁺ intercalation and long-term cycle stability.
Competing Interests: There are no conflicts to declare.
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