期刊
CARBON
卷 50, 期 13, 页码 4865-4870出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2012.06.014
关键词
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资金
- AcRF tier 2 grant from Ministry of Education (Singapore) [MOE2011-T2-2-010]
- CRP grant from National Research Foundation of Singapore [NRF-CRP-07-2]
- NNSF of China [50902071, 61076067, BZ2010043, 51172110]
- National Basic Research Program of China [2009CB930601, 2012CB933301]
- Ministry of Education of China [IRT1148]
- Key Project of Chinese Ministry of Education [212058]
- Jiangsu Province Science Foundation for Six Great Talent Peak [RLD201103]
A simple approach was developed to synthesize the three-dimensional (3D) hybrid of manganese dioxide (MnO2) and graphene foam. The morphology of the MnO2 nanostructures can be readily controlled by the solution acidity. Furthermore, we demonstrate that, serving as a free-standing supercapacitor electrode, this novel three-dimensional hybrid gives a remarkable specific capacitance (560 F/g at the current density of 0.2 A/g) and excellent cycling stability. (C) 2012 Elsevier Ltd. All rights reserved.
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