Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 135, Issue 44, Pages 16280-16283Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja408421n
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Funding
- Research Grants Council of the Hong Kong Special Administration Region [PolyU 5349/10E, PolyU 5312/12E]
- Hong Kong Polytechnic University [G-YK47, 1-BD08]
- Robert A. Welch Foundation of Houston, TX [F-1066]
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By a novel in situ chemical vapor deposition, activated N-doped hollow carbon-nanotube/carbon-nanofiber composites are prepared having a superhigh specific Brunauer-Emmett-Teller (BET) surface area of 1840 m(2) g(-1) and a total pore volume of 1.21 m(3) g(-1). As an anode, this material has a reversible capacity of similar to 1150 mAh g(-1) at 0.1 A g(-1) (0.27 C) after 70 cycles. At 8 A g(-1) (21.5 C), a capacity of similar to 320 mAh g(-1) fades less than 20% after 3500 cycles, which makes it a superior anode material for a Li-ion battery.
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