期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 11, 期 13, 页码 1906-1912出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201600411
关键词
electrochemistry; graphene; nanowires; polymerization; supercapacitors
资金
- National Natural Science Foundation of China [51402048]
- Fundamental Research Funds for the Central Universities
- DHU Distinguished Young Professor Program
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
Vertical polyaniline (PANI) nanowire arrays on graphene-sheet-coated polyester cloth (RGO/PETC) were fabricated by the insitu chemical polymerization of aniline. The 3D conductive network that was formed by the graphene sheets greatly enhanced the conductivity of PANI/RGO/PETC and improved its mechanical stability. PANI nanowire arrays increased the active surface area of PANI, whilst the hierarchically porous structure of the PANI/RGO/PETC electrode facilitated the diffusion of the electrolyte ions. Electrochemical measurements showed that the composite electrode exhibited a maximum specific capacitance of 1293Fg(-1) at a current density of 1Ag(-1). Capacitance retention was greater than 95%, even after 3000cycles, which indicated that the electrode material has excellent cycling stability. Moreover, the electrode structure endowed the PANI/RGO/PETC electrode with a stable electrochemical performance under mechanical bending and stretching.
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