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N-doped graphitic self-encapsulation for high performance silicon anodes in lithium-ion batteries

Cited 135 time in Web of Science Cited 137 time in Scopus
Authors

Lee, Won Jun; Hwang, Tae Hoon; Hwang, Jin Ok; Kim, Hyun Wook; Lim, Joonwon; Jeong, Hu Young; Shim, Jongwon; Han, Tae Hee; Kim, Je Young; Choi, Jang Wook; Kim, Sang Ouk

Issue Date
2014-02
Publisher
Royal Society of Chemistry
Citation
Energy and Environmental Sciences, Vol.7 No.2, pp.621-626
Abstract
N-doped sites at CNT and graphene trigger spontaneous encapsulation of Si particles by simple pH control at room temperature. Significantly, N-doped CNT encapsulated Si composite electrode materials show remarkable cycle life and rate performance in battery operations. Superior capacity retention of 79.4% is obtained after 200 cycles and excellent rate capability of 914 mA h g(-1) is observed at a 10 C rate.
ISSN
1754-5692
URI
https://hdl.handle.net/10371/164630
DOI
https://doi.org/10.1039/c3ee43322f
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Related Researcher

  • College of Engineering
  • School of Chemical and Biological Engineering
Research Area Carbon nanotube, Graphene, Lithium-ion battery, Lithium-sulfur battery, Silicon anode

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