All-graphene-battery: bridging the gap between supercapacitors and lithium ion batteries

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Title
All-graphene-battery: bridging the gap between supercapacitors and lithium ion batteries
Author(s)
Kim, Haegyeom; Park, Kyu-Young; Hong, Jihyun; Kisuk Kang
Publication Date
2014-06
Journal
SCIENTIFIC REPORTS, v.4, no., pp.5278(1) - 5278(8)
Publisher
NATURE PUBLISHING GROUP
Abstract
Herein, we propose an advanced energy-storage system: all-graphene-battery. It operates based on fast surface-reactions in both electrodes, thus delivering a remarkably high power density of 6,450 W kg 1 total electrode while also retaining a high energy density of 225 Wh kg 1 total electrode, which is comparable to that of conventional lithium ion battery. The performance and operating mechanism of all-graphene-battery resemble those of both supercapacitors and batteries, thereby blurring the conventional distinction between supercapacitors and batteries. This work demonstrates that the energy storage system made with carbonaceous materials in both the anode and cathode are promising alternative energy-storage devices. © 2014 Macmillan Publishers Limited. All rights reserved.
URI
http://pr.ibs.re.kr/handle/8788114/1019
DOI
10.1038/srep05278
ISSN
2045-2322
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
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