Hierarchical Carbon Framework Wrapped Na 3 V 2 (PO 4 ) 3  as a Superior High‐Rate and Extended Lifespan Cathode for Sodium‐Ion Batteries | Zendy

Fang Yongjin | Zendy; Xiao Lifen | Zendy; Ai Xinping | Zendy; Cao Yuliang | Zendy; Yang Hanxi | Zendy

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Hierarchical Carbon Framework Wrapped Na 3 V 2 (PO 4 ) 3 as a Superior High‐Rate and Extended Lifespan Cathode for Sodium‐Ion Batteries

Author(s) -

Fang Yongjin,

Xiao Lifen,

Ai Xinping,

Cao Yuliang,

Yang Hanxi

Publication year - 2015

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201502018

Subject(s) - materials science , electrochemistry , cathode , carbon fibers , electrode , chemical vapor deposition , sodium , chemical engineering , ion , deposition (geology) , nanotechnology , composite material , chemistry , metallurgy , composite number , engineering , paleontology , physics , quantum mechanics , sediment , biology

Hierarchical carbon framework wrapped Na 3 V 2 (PO 4 ) 3 (HCF‐NVP) is successfully synthesized through chemical vapor deposition on pure Na 3 V 2 (PO 4 ) 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).

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