A Bipolar Membrane Combined with Ferric Iron Reduction as an Efficient Cathode System in Microbial Fuel Cells

A N N E M I E K T E R H E I J N E , ‡ H U B E R T U S V . M . H A M E L E R S , * , ‡ V I N N I E D E W I L D E , ‡ R E N EÄ A . R O Z E N D A L , ‡ , § A N D C E E S J . N . B U I S M A N ‡ , § Sub-Department of Environmental Technology, Wageningen University, Bomenweg 2, P.O. Box 8129, 6700 EV Wageningen, The Netherlands, and Wetsus, Centre for Sustainable Water Technology, Agora 1, P.O. Box 1113, 8900 CC Leeuwarden, The Netherlands