Therefore, it is assumed that the ability of electrogenic microorganisms to produce electricity is related to their capacity to transfer electrons onto natural extracellular electron acceptors, such as Fe(Ⅲ) oxides.
自然界中并无微生物产电的直接进化压力,而MFC电极与自然界中Fe(III)氧化物同为难溶性胞外电子受体,研究表明,铁还原菌对二者的还原有相似机制。