METHODS FOR REDUCING OVERVOLTAGE OF SEDIMENT MICROBIAL FUEL CELLS APPLIED IN TIDAL RIVERS

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  • 感潮河川に適用した微生物燃料電池における過電圧の低減手法の提案
  • カン チョウ カセン ニ テキヨウ シタ ビセイブツ ネンリョウ デンチ ニ オケル カデンアツ ノ テイゲン シュホウ ノ テイアン

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 Sediment microbial fuel cells (SMFCs) can remediate sediment that vanish water environment, in concurrence with electricity generation. Unfortunately, power produced by SMFCs is still low because of energy losses (overvoltage) such as activation loss and mass transfer loss, which weaken the practical use of SMFCs.<br> In this study, we proposed some methods for reducing internal losses of SMFCs, such as electrode design and the use of bamboo powder. The SMFCs using these methods were performed in a tidal river. We found that spreading electrode and mixing bamboo with sediment could reduce the overvoltage of SMFCs, providing a higher performance of SMFCs.

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