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On the use of carbon nanotubes to promote the electricity generation during sulfate removal

机译：关于使用碳纳米管促进硫酸盐去除过程中的发电

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摘要

Carbon nanotubes (CNTs) were explored as a promoter in electron transfer during sulfate removal. The results of a potentiostatic method, cyclic voltammetry, and electrochemical impedance spectroscopy demonstrated that the CNTs modified electrode exhibited better performance (e.g. 13-fold increase of the electricity generation) than that of bare electrodes. Due to the large specific surface area, excellent conductivity, and good biocompatibility, CNTs not only accelerated the electron transfer between electrode and biofilm, but also provided a suitable microbial environment for sulfate-reducing bacteria immobilization. Thus, the CNTs modified electrode has great potential to be used in a high-power microbial fuel cell for sulfate removal.
机译：碳纳米管（CNTs）被用作硫酸盐去除过程中电子转移的促进剂。恒电位法，循环伏安法和电化学阻抗谱的结果表明，CNTs修饰的电极表现出比裸电极更好的性能（例如，发电量增加了13倍）。由于比表面积大，导电性好和良好的生物相容性，CNT不仅加速了电极与生物膜之间的电子转移，而且为固定硫酸盐的细菌提供了合适的微生物环境。因此，CNTs修饰的电极具有用于高功率微生物燃料电池中去除硫酸盐的巨大潜力。

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