Journal
MATERIALS LETTERS
Volume 209, Issue -, Pages 505-508Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.08.083
Keywords
Activated N-doped hollow carbon nanofibers; Electrospinning; Lithium sulfur battery
Funding
- Hong Kong Polytechnic University [1-BBA3, 1-YW1A]
- China Postdoctoral Science Foundation [2016M602514]
- Postdoctoral Granted Program of Pearl River Talents Scheme of Guangdong Province
- National Natural Science Foundation of China [51202150, 51272161]
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We report a carbon-sulfur nanostructure by impregnating sulfur into activated N-doped hollow carbon nanofibers (ANHCNFs) with a high Brunauer-Emmett-Teller (BET) specific surface area of 608 m(2) g(-1) and a total pore volume of 0.8 cm(3) g(-1). As a cathode, this material with 50 wt% sulfur shows a reversible capacity of 1230 mAh g(-1) and maintains similar to 920 mAh g(-1) after 100 cycles at 0.2 C (1 C = 1675 mA g(-1)). These results show that the ANHCNFs-S could be a superior cathode material for Li-sulfur battery. (C) 2017 Elsevier B.V. All rights reserved.
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