Power generation of microbial fuel cells (MFCs) with low cathodic platinum loading
作者： Carlo Santoro , Baikun Li , Pierangela Cristiani , Gaetano Squadrito
DOI: 10.1016/J.IJHYDENE.2012.05.104
关键词:
摘要: Abstract This study aims at investigating the effects of platinum (Pt) loadings on cathodic reactions in Single Chamber Microbial Fuel Cells (SCMFCs) and developing cost-effective MFC operational protocols. The power generation SCMFCs was examined with different Pt (0.005–1 mgPt/cm 2 ) cathodes. results showed that 0.5–1 mgPt/cm were highest tests, decreased 10–15% 0.01–0.25 mgPt/cm , further 0.005 mgPt/cm . Pt-free cathode (graphite) had lowest generation. In addition, compared raw wastewater (Chemical oxygen demand (COD): 0.36 g/L) enriched sodium acetate (COD: 2.95 g/L). solution conductivity degradation organic substrates. Daily polarization curves ( V – I a decrease current an increase ohmic losses over period (8 days). (with cathode) fed (NaOAc) reached (786 mW/m ), while only obtained lower (81 mW/m ). demonstrated lowering two magnitude orders (1 to 0.01, 0.5 0.005 mgPt/cm reduced 15–30%, this reduction become less substantial SCMFCs.
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