期刊
MATERIALS LETTERS
卷 81, 期 -, 页码 48-51出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2012.04.078
关键词
Carbon materials; Composite materials; Graphene; Energy storage and conversion; Pickering emulsion polymerization
资金
- National Natural Science Foundations of China [50772001]
- Specialized Research Fund for the Doctoral Program of Higher Education [20093401110003]
- Anhui University
Polyaniline/graphene oxide (PANI/GO) composites in a novel structure consisting of PANI nanoparticles covered by GO nanosheets are synthesized by means of Pickering emulsion polymerization for the first time. The Fourier transform infrared (FTIR) spectra indicate the main combination mode of the PANI/GO composite includes hydrogen bonding and pi-pi interactions between PANI and GO. The TGA and SEM results indicate the PANI/GO composite has better morphology stability than that of pure PANI. And thus the specific capacitance and cycling stability of the PANI/GO composite have been remarkably enhanced. The improved electrochemical performance may be attributed to the GO sheets not only improve the stability of the PANI nanoparticles. but also increase electronic conductivity and reduce electrical charge transfer resistance of the PANI/GO electrode. (C) 2012 Elsevier B.V. All rights reserved.
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