Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 113, Issue 30, Pages 13438-13442Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp901968v
Keywords
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Funding
- 973 National Key Basic Research Program of China [2007CB310500]
- Chinese Ministry of Education [705040]
- National Natural Science Foundation of China [90606009]
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Nanoscale porous carbon fibers (CNFs) were synthesized successfully by pyrolysis of conducting polymer in ail argon atmosphere, which were synthesized by the self-degradation template method. The diameter and length of the fibers are 100 nm and 2-3 mu m, respectively. Owing to the high porosity and conducting onedimension network, these porous carbon nanofibers show enhanced lithium-ion storage properties when used as anode material in lithium-ion battery. The reversible specific capacity of the CNFs at a 0.5C rate is about 400 mAhg(-1), Moreover, they exhibit considerably specific capacity even at a high charge-discharge current; i.e., the reversible capacities are around 250 and 194 mAhg(-1) at a rate of 10 and 20C, respectively.
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