4.7 Article

Sulfur nanocomposite as a positive electrode material for rechargeable potassium-sulfur batteries

Journal

CHEMICAL COMMUNICATIONS
Volume 54, Issue 18, Pages 2288-2291

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc09913d

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Funding

  1. National Natural Science Foundation of China [51502137, 51772147, U1601214, 51425301]
  2. National Materials Genome Project [2016YFB0700600]
  3. Jiangsu Distinguished Professorship Program, China

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A pyrolyzed polyacrylonitrile/sulfur nanocomposite (SPAN) was used as a positive electrode material for a room temperature K-S battery operated in carbonate electrolyte. SPAN presented a high reversible capacity of 270 mA h g(-1) (710 mA h g(sulfur)(-1)) and excellent rate performance, which demonstrate that it is a promising positive electrode material for K-ion and K-batteries.

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