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Hierarchical carbon framework wrapped Na3V2(PO4)3 (HCF-NVP) is successfully synthesized through chemical vapor deposition on pure Na3V2(PO4)3 particles. Electrochemical experiments show that the HCF-NVP electrode can deliver a large reversible capacity (115 mA h g−1 at 0.2 C), superior high-rate rate capability (38 mA h g−1 at 500 C), and ultra-long cycling stability (54% capacity retention after 20 000 cycles). As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Fang et al. (Tue,) studied this question.