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Jeong, Hu Young
UNIST Central Research Facilities (UCRF)
Research Interests
  • Soft material characterization such as graphene using a low kV Cs-corrected TEM

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

Cited 13 times inthomson ciCited 4 times inthomson ci
Title
N-doped graphitic self-encapsulation for high performance silicon anodes in lithium-ion batteries
Author
Lee, Won JunHwang, Tae HoonHwang, Jin OkKim, Hyun WookLim, JoonwonJeong, Hu YoungShim, JongwonHan, Tae HeeKim, Je YoungChoi, Jang WookKim, Sang Ouk
Keywords
CARBON NANOTUBE ARRAYS; HIGH-CAPACITY; CORE/SHELL NANOWIRES; SECONDARY BATTERIES; GRAPHENE OXIDE; STORAGE; CHARGE; NANOPARTICLES; ADSORPTION; CHALLENGES
Issue Date
201402
Publisher
ROYAL SOC CHEMISTRY
Citation
ENERGY & ENVIRONMENTAL SCIENCE, v.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.
URI
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DOI
http://dx.doi.org/10.1039/c3ee43322f
ISSN
1754-5692
Appears in Collections:
UCRF_Journal Papers

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