(19) (11) EP 2 000 000 A1 (12) EUROPEAN PATENT APPLICATION (51) Int Cl.: (43) Date of publication:  (21) Application number:  07109822.2 (22) Date of filing:  07.06.2007 H01M8/16 (2006.01) H01M4/86 (2006.01) 10.12.2008 Bulletin 2008/50 (84) Designated Contracting States:  AT BE BG CH CY CZ DE DK EE ES FI FR GB GR  HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE  SI SK TR Designated Extension States:  AL BA HR MK RS (71) Applicant:  Danmarks Tekniske Universitet 2800 Lyngby (DK) (72) Inventors:  • Angelidaki, Irini 2000, Frederiksberg (DK) • Min, Booki 2720, Vanløse (DK) (74) Representative:  Plougmann & Vingtoft A/S Sundkrogsgade 9  P.O. Box 831 2100 Copenhagen Ø (DK) (54) Microbial fuel cell (57) A novel microbial fuel cell construction for the generation of electrical energy. The microbial fuel cell comprises: (i) an anode electrode, (ii) a cathode cham- ber, said cathode chamber comprising an inlet through which an influent enters the cathode chamber, an outlet through which an effluent depart the cathode chamber, a cathode electrode and an electrolyte permeable mem- brane, wherein both the anode electrode and the cathode chamber are to be submersed into an anaerobic envi- ronment to generate electrical energy. Printed by Jouve, 75001 PARIS (FR) EP 2 000 000 A1 water out Anode Cathode chamber warm water in Stirrer Fig. 1