期刊
NEW JOURNAL OF CHEMISTRY
卷 41, 期 2, 页码 857-864出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6nj03107b
关键词
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资金
- National High Technology Research and Development Program of China (863 Program) [2012AA03A212]
- International SAMP
- T Cooperation Program of China [2013DFR40700]
A polyaniline (PANI)/graphene (GN)/bacterial cellulose (BC) flexible and freestanding supercapacitor electrode is synthesized via a facile chemical polymerization and filtering method. The BC substrate with a three-dimensional (3D) fibrous network shows the advantages of superior mechanical robustness, good electrolyte absorption properties and large mass loading (9.2 mg cm (-2)) for the PANI/GN/BC film; thus, an appreciable areal capacitance of 4.16 F cm (-2), excellent tensile strength of 65.4 MPa and high flexibility can be achieved. Moreover, a symmetric supercapacitor coupled with this PANI/GN/BC paper exhibits a stable behaviorin the bent state, as well as high areal capacitance (1.32 F cm (-2)) and energy density (0.12 mW h cm (-2)). This electrode based on the simple and low-cost process may open up new opportunities for flexible energy-storage devices.
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