期刊
ELECTROANALYSIS
卷 23, 期 9, 页码 2139-2143出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201100181
关键词
Graphene; All-vanadium redox flow batteries; Electrode; Graphite; Electrochemistry
资金
- Ministry of Education of the Republic of China, Taiwan [99N82452E1]
The electrochemical properties of graphene make it an attractive material for use in a range of devices. We herein describe the simple preparation of graphene-modified graphite (GMG) composite electrodes by hybridization with graphite for all-vanadium redox flow batteries (VRB). The cyclic voltammetry (CV) results revealed that the use of GMG composite electrodes with an optimal graphene loading content (3 wt%) allowed remarkable improvements in terms of both the reversibility and the current density, which was up to 30% higher than that of the pristine graphite electrode, and that an electrode of this type shows considerable potential for use in VRBs.
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