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Author

Cho, Jaephil
Nano Energy Storage Materials Lab (NESM)
Research Interests
  • Li-ion battery, metal-air battery, redox-flow battery, flexible battery .

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Catalyst-free direct growth of a single to a few layers of graphene on a germanium nanowire for the anode material of a lithium battery

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Title
Catalyst-free direct growth of a single to a few layers of graphene on a germanium nanowire for the anode material of a lithium battery
Author
Kim, HyungkiSon, YoonkookPark, ChibeomCho, JaephilChoi, Hee Cheul
Keywords
Anode material; Catalyst-free; Chemical vapor depositions (CVD); Direct growth; Germanium nanowires; High capacity; Lithium-ion battery; Specific capacities
Issue Date
201306
Publisher
WILEY-V C H VERLAG GMBH
Citation
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.52, no.23, pp.5997 - 6001
Abstract
Direct growth of a single to a few layers of graphene on a germanium nanowire (Gr/Ge NW; see picture) was achieved by a metal-catalyst-free chemical vapor deposition (CVD) process. The Gr/Ge NW was used as anode in a lithium ion battery. This material has a specific capacity of 1059mA h g-1 at 4.0C, a long cycle life over 200 cycles, and a high capacity retention of 90 %.
URI
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DOI
http://dx.doi.org/10.1002/anie.201300896
ISSN
1433-7851
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