Microbial bioanodes with high salinity tolerance for microbial fuel cells and microbial electrolysis cells

Raphaël Rousseau (1) , Xochitl Dominguez-Benetton (1) , Marie-Line Délia-Dupuy (1) , Alain Bergel (1)

1 LGC - Laboratoire de Génie Chimique

Increasing the conductivity of the electrolytes used in microbial electrochemical systems is an essential prerequisite to the large-scale success of these technologies. Microbial bioanodes formed from a salt marsh inoculum under constant acetate feeding generated up to 85 A*m-² in media containing 776 mM NaCl (45 g*L-¹, 1.5 times the salinity of seawater). These values were the highest salinities accepted by a microbial anode so far and the highest current densities reported with felt graphite electrodes.

Mots clés: Salinity; Microbial fuel cell; Bioelectrochemical system; Bioanode; Microbial anode

Domaines: Génie chimique; Biochimie, Biologie Moléculaire

Raphaël Rousseau, Xochitl Dominguez-Benetton, Marie-Line Délia-Dupuy, Alain Bergel. Microbial bioanodes with high salinity tolerance for microbial fuel cells and microbial electrolysis cells. Electrochemistry Communications, 2013, vol. 33, pp. 1-4. ⟨10.1016/j.elecom.2013.04.002⟩. ⟨hal-00875612⟩