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Hollow Carbon-Nanotube/Carbon-Nanofiber Hybrid Anodes for Li-Ion Batteries

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 m2 g–1 and a total pore volume of 1.21 m3 g–1. As an anode, this material has a reversible cap...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2013-11, Vol.135 (44), p.16280-16283
Main Authors: Chen, Yuming, Li, Xiaoyan, Park, Kyusung, Song, Jie, Hong, Jianhe, Zhou, Limin, Mai, Yiu-Wing, Huang, Haitao, Goodenough, John B
Format: Article
Language:English
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Summary: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 m2 g–1 and a total pore volume of 1.21 m3 g–1. As an anode, this material has a reversible capacity of ∼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 ∼320 mAh g–1 fades less than 20% after 3500 cycles, which makes it a superior anode material for a Li-ion battery .
ISSN:0002-7863
1520-5126
DOI:10.1021/ja408421n