Catalytic Effects of Heteroatom-doped Graphene Nanosheets on the Performance of Li-O2 Batteries

Title
Catalytic Effects of Heteroatom-doped Graphene Nanosheets on the Performance of Li-O2 Batteries
Authors
임희대배영준윤영수강기석
Issue Date
2014-04
Publisher
Journal of electrochemical science and technology
Citation
VOL 5-52
Abstract
Graphene nanosheets (GNS), nitrogen-doped graphene nanosheets (N-GNS), and sulfur-doped graphene nanosheets (S-GNS) were successfully synthesized, and their catalytic effects on the oxygen reduction reaction (ORR) in batteries were compared. The S-GNS electrode exhibited the highest ORR catalytic activity, resulting in enhanced discharge capacity and power capability. We attributed the enhanced ORR catalytic activity to the increased defect sites on graphene.
URI
http://pubs.kist.re.kr/handle/201004/67572
ISSN
2093-8551
Appears in Collections:
KIST Publication > Article
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