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.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Kim H,Park KY,Hong J,Kang Kdoi
10.1038/srep05278subject
Has Abstractpub_date
2014-06-13 00:00:00pages
5278issn
2045-2322pii
srep05278journal_volume
4pub_type
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