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Issue 93, 2015
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Synthesis and electrochemical capacitance performance of polyaniline doped with lignosulfonate

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Abstract

Polyaniline doped with lignosulfonate (PANI/LGS) was prepared by using a facile oxidative polymerization of aniline with (NH4)2S2O8 as an oxidant, and the structure and morphology of PANI/LGS were investigated. As an active material for supercapacitors, the capacity retention rate of PANI/LGS was 75.1% with a growth of current density from 0.2 to 10 A g−1, indicating a high rate performance, and that of PANI was only 38.3%. For PANI/LGS, a specific capacitance of 377.2 F g−1 remained at 10 A g−1, and that of PANI was 183.7 F g−1. Moreover, the cycling stability was also measured in a two-electrode symmetrical capacitor at a current density of 1.0 A g−1. The capacity retention rate of PANI/LGS was 74.3% after 10 000 cycles, and that of PANI was 52.8%.

Graphical abstract: Synthesis and electrochemical capacitance performance of polyaniline doped with lignosulfonate

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Publication details

The article was received on 25 Jun 2015, accepted on 02 Sep 2015 and first published on 09 Sep 2015


Article type: Paper
DOI: 10.1039/C5RA12292A
Citation: RSC Adv., 2015,5, 76116-76121

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    Synthesis and electrochemical capacitance performance of polyaniline doped with lignosulfonate

    H. Xu, H. Jiang, X. Li and G. Wang, RSC Adv., 2015, 5, 76116
    DOI: 10.1039/C5RA12292A

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