Nonaqueous Lithium-Ion Capacitors with High Energy Densities using Trigol-Reduced Graphene Oxide Nanosheets as Cathode-Active Material

被引:98
作者
Aravindan, Vanchiappan [1 ]
Mhamane, Dattakumar [2 ,3 ]
Ling, Wong Chui [1 ]
Ogale, Satishchandra [2 ,3 ]
Madhavi, Srinivasan [1 ,4 ]
机构
[1] Nanyang Technol Univ, Energy Res Inst NTU ERI N, Singapore 637553, Singapore
[2] Ctr Excellence Solar Energy, Pune 411008, Maharashtra, India
[3] Network Inst Solar Energy CSIR NISE, New Delhi, India
[4] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 637553, Singapore
基金
新加坡国家研究基金会;
关键词
capacitors; cathodes; energy storage; graphene; lithium; HYBRID SUPERCAPACITOR; CARBON MATERIALS; GRAPHITE OXIDE; CONVERSION; NANOSTRUCTURES; PERFORMANCE; ELECTRODES; REDUCTION; COMPOSITE; BATTERIES;
D O I
10.1002/cssc.201300465
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
One HEC of a material: The use of trigol-reduced graphene oxide nanosheets as cathode material in hybrid lithium-ion electrochemical capacitors (Li-HECs) results in an energy density of 45Wh kg-1; much enhanced when compared to similar devices. The mass loading of the active materials is optimized, and the devices show good cycling performance. Li-HECs employing these materials outperform other supercapacitors, making them attractive for use in power sources. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:2240 / 2244
页数:5
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