期刊
MATERIALS LETTERS
卷 119, 期 -, 页码 135-139出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.12.105
关键词
alpha-MnO2; Nanofibers; 3D-graphene foam; Supercapacitor
资金
- Pioneer Research Center Program through the National Research Foundation (NRF) of Korea [2010-0019313]
- Priority Research Centers Program through the National Research Foundation (NRF) of Korea [2009-0093823]
- Ministry of Science, ICT & Future Planning
Prominence of current work mainly conveys synthesis of alpha-MnO2 nanofibers on 3D-graphene foam (GF) by solution growth (SG) method and its proficient influence in electrochemical supercapacitors' performance. The alpha-MnO2 nanofibers are synthesized on graphene surface by using MnSO4 and ammonium persulfate as an oxidant. The results show formation of aggregated bundles (size about 15-30 nm) of 1D alpha-MnO2 nanofibers on the graphene surface. In supercapacitor, the unique nanofibrous morphology of MnO2 on 3D GF electrode exhibits higher specific capacitance (670 F g(-1)) than on the conventional current collector (CC) electrode (440 F g(-1)). (C) 2014 Elsevier B.V. All rights reserved.
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