Journal
MATERIALS LETTERS
Volume 217, Issue -, Pages 312-315Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2018.01.112
Keywords
Nanowires; Polyaniline; Electrodeposition; Supercapacitor; Electrical properties; Porous tubular carbon
Funding
- National Natural Science Foundation of China NSFC [51174144]
- Shanxi Province Key Fund [201703D121037-1]
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A high performance polyaniline (PANI) nanowires electrode was prepared by electrodeposition of aniline on porous tubular carbon (PTC). The resulting composites PTC/PANI with a vine-like shape exhibited remarkable electrochemical performance, including a high specific capacitance (477.7 F g (1) at (1) A g (1)) and an excellent cycling stability (91% capability retention after 5000 cycles). Such excellent performance was attributed to the synergistic effects between PTC and PANI. PTC with well-defined macropores and interconnected meso-/micropores structure can facilitate the transfer of ions and electrons and can also effectively avoid PANI agglomeration; the nanostructured PANI can provide pseudocapacitance. Moreover, the good contact between PANI and PTC, which was constructed by electrodeposition, ensures a low contact resistance and reinforces structural stability of the composite electrode. (C) 2018 Elsevier B.V. All rights reserved.
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