A New Benchmark Capacitance for Supercapacitor Anodes by Mixed‐Valence Sulfur‐Doped V 6 O 13− x | Zendy

Zhai Teng | Zendy; Lu Xihong | Zendy; Ling Yichuan | Zendy; Yu Minghao | Zendy; Wang Gongming | Zendy; Liu Tianyu | Zendy; Liang Chaolun | Zendy; Tong Yexiang | Zendy; Li Yat | Zendy

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A New Benchmark Capacitance for Supercapacitor Anodes by Mixed‐Valence Sulfur‐Doped V 6 O 13− x

Author(s) -

Zhai Teng,

Lu Xihong,

Ling Yichuan,

Yu Minghao,

Wang Gongming,

Liu Tianyu,

Liang Chaolun,

Tong Yexiang,

Li Yat

Publication year - 2014

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.201402041

Subject(s) - pseudocapacitor , valence (chemistry) , materials science , supercapacitor , anode , sulfur , vanadium , capacitance , doping , redox , benchmark (surveying) , electrode , nanotechnology , analytical chemistry (journal) , computer science , optoelectronics , chemistry , organic chemistry , metallurgy , geodesy , geography

A new pseudocapacitor anode , sulfur‐doped V 6 O 13− x , is reported. It achieves a benchmark capacitance of 1353 F/g (0.72 F/cm 2 ) at a current density of 1.9 A/g (1 mA/cm 2 ) in 5 M LiCl solution. The charges are stored chemically in the electrode via reversible redox reactions that involve multiple oxidation states of vanadium (V 3+ , V 4+ and V 5+ ).

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