Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 442111
Title pH and Temperature Determine Performance of Oxygen Reducing Biocathodes
Author(s) Strik, D.P.B.T.B.; picot, M.; Buisman, C.J.N.; Barrière, F.
Source Electroanalysis 25 (2013)3. - ISSN 1040-0397 - p. 652 - 655.
Department(s) Environmental Technology
Publication type Refereed Article in a scientific journal
Publication year 2013
Keyword(s) microbial fuel-cells - bioelectrochemical systems - electricity production - reduction - biofilm - catalysis - cathodes - bacteria - water
Abstract In this paper we investigate the performance of oxygen reducing biocathodes for microbial fuel cells in relation to temperature and pH. Lower pH does likely improve biocatalytic activity and/or proton availability, and results in higher current. Lower temperature does reduce biocatalytic activity and does not reduce possible oxygen mass transfer limitations. The cathode resistance was in the same order of magnitude at pH 5 to 7 which shows that MFC energy recovery can be higher at lower pH. Overall, these results show that oxygen reducing biocathodes are robust at 660 mA per m2 at +0.15 V vs. Ag/AgCl, pH 5 and 31¿°C.
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