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- Cho, Jaephil
- Nano Energy Storage Material Lab.
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Silicon Nanotube Battery Anodes
- Author(s)
- Park, Mi-Hee, Kim, Min Gyu, Joo, Jaebum, Kim, Kitae, Kim, Jeyoung, Ahn, Soonho, Cui, Yi, Cho, Jaephil
- Issued Date
- 2009-12
- Citation
- NANO LETTERS, v.9, no.11, pp.3844 - 3847
- Abstract
- We present Si nanotubes prepared by reductive decomposition of a silicon precursor in an alumina template and etching. These nanotubes show impressive results, which shows very high reversible charge capacity of 3247 mA h/g with Coulombic efficiency of 89%, and also demonstrate superior capacity retention even at 5C rate (=15 A/g). Furthermore, the capacity in a Li-ion full cell consisting of a cathode of LiCoO(2) and anode of Si nanotubes demonstrates a 10 times higher capacity than commercially available graphite even after 200 cycles.
- Publisher
- AMER CHEMICAL SOC
- ISSN
- 1530-6984
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