Fabrication of high quality graphene nanosheets via a spontaneous electrochemical reaction process

Title
Fabrication of high quality graphene nanosheets via a spontaneous electrochemical reaction process
Authors
이장우김민호나원준홍순만구종민
Keywords
graphene; spontaneous reaction; direct lithium intercation
Issue Date
2015-09
Publisher
Carbon
Citation
VOL 91, 527-534
Abstract
A highly efficient graphene nanosheet (GNS) production process based on spontaneous electrochemical reactions – (i) spontaneous lithiation reaction through the direct contact between graphite powder and Li metal in an electrolyte due to the high electrochemical potential difference; and (ii) reaction of Li inside the lithiated graphite with water – is reported. This process, with the absence of supplied energies, is oxidation-free, very fast, scalable and produces a high quality GNS (C/O: 17.9 by EA, ID/IG: 0.55 by Raman spectroscopy) with a high yield (>95 wt.%).
URI
http://pubs.kist.re.kr/handle/201004/49768
ISSN
00086223
Appears in Collections:
KIST Publication > Article
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