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科技导报  2015 

微生物燃料电池聚苯胺膜阳极的制备及性能

DOI: 10.3981/j.issn.1000-7857.2015.14.015, PP. 82-86

Keywords: 循环伏安法,聚苯胺,微生物燃料电池

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Abstract:

分别用恒电压法、脉冲极化法、循环伏安法制备聚苯胺(PANI)膜阳极,并应用于固定床微生物燃料电池(MFC),考察其产电及污水处理性能。结果表明,与恒电压法和脉冲极化法相比,循环伏安法制备的PANI膜阳极导电性最好,且其电极电阻(3.65Ω)与恒电压法制备的电极电阻(55.45Ω)相比降低了51.8Ω。循环伏安法制备的PANI膜阳极应用于MFC,最大功率密度和开路电压分别为215.6mW·m-2和849.3mV,比恒电压法制备的PANI膜阳极MFC最大功率密度和开路电压分别提高了50.6%和45.1%。与恒电压法和脉冲极化法相比,循环伏安法制备的PANI膜阳极,可一定程度上缩短MFC启动时间,增加电池产电稳定性,提高MFC对污水有机物的去除率,为MFC高性能阳极的制备提供了一种新途径。

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