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

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2014 Korea (Republic of) Publisher:Royal Society of Chemistry (RSC)Journal:Energy Environ. Sci., volume 7, pages 621-626 (issn: 1754-5692, eissn: 1754-5706,

Authors: Lee, Won Jun; Hwang, Tae Hoon; Hwang, Jin Ok; Kim, Hyun Wook; Lim, Joonwon; Jeong, Hu Young; Shim, Jongwon; +4 Authors

doi: 10.1039/c3ee43322f

handle: 10203/189725

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

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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.

Country

Korea (Republic of)

Related Organizations

Institute for Basic Science
Korea (Republic of)
Korean Association Of Science and Technology Studies
Korea (Republic of)
LG Chem
Korea (Republic of)
Hanyang University
Korea (Republic of)
LG Chem (South Korea)
Korea (Republic of)

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