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  • application of conductive polymers in biocathode of microbial fuel cells and microbial community

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 618
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     four kinds of conductive polymers, polyaniline (pani) and its co-polymers poly (aniline-co-o-aminophenol) (panoa), poly (aniline-co-2, 4-diaminophenol) (pandap) and poly (aniline-1, 8-diaminonaphthalene) (pandan) were applied to modify carbon felts as the aerobic abiotic cathodes and biocathodes in microbial fuel cells (mfc). compare to unmodified, all the four polymers can significantly improve the power densities for both abiotic cathodes (increased by 300%) and biocathodes (increased by 180%). the co-polymers with different functional groups introduction had further special advantages in mfc performance: panoa and pandap with –oh showed less sensitivity to do and ph change in cathode; pandap and pandan with –nh3 provided better attachment condition for biofilm which endowed them higher power output. with the help of conductive polymer coats, the cathode biofilm became thicker, and according to biodiversity analysis, the predominated phyla changed from β-proteobacteria(unmodified) to α, γ-proteobacteria (modified), which may be responsible for the superiority of the modified mfcs.

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