kontaktseiten kostenlos  - Cathodic and anodic biofilms in single chamber microbial fuel cells

durch  |  22-Apr-2017 00:00

Therefore, in recent years, MFCs have shown to be a potent technology for recovery and in situ conversion of chemical energy into electricity (Logan An MFC is a system in which microbes convert chemical energy produced by the oxidation of organic/inorganic compounds into ATP by sequential reactions in which electrons are transferred to a terminal electron acceptor to generate an electrical current (Torres et al. A typical MFC consists of anode and cathode compartments, which are separated by a cationic membrane.Microbes reside in the anode compartment, where they metabolize organic compounds such as glucose which act as electron donor.Membraneless SCMFCs were operating in batch-mode, filled with wastewater.

Cathodic and anodic biofilms in single chamber microbial fuel cells-15Cathodic and anodic biofilms in single chamber microbial fuel cells-90Cathodic and anodic biofilms in single chamber microbial fuel cells-36

The metabolism of these organic compounds generates electrons and protons.

Electrons are then transferred to the anode surface.

A wide variety of substrates have been employed in MFC.

The substrates not only influence the integral composition of the bacterial community in the anode biofilm, but also the MFC performance including the power density (PD) and Coulombic efficiency (CE) (Chae et al. During development of this technology, low molecular weight substrates were employed as substrates, i.e., carbohydrates such as glucose, fructose, xylose, sucrose, maltose and trehalose (Chaudhuri and Lovley depicts various substrates that are utilized for electricity production in an MFC, and their power output.

Quasi-stationary polarization curves performed with a three-electrode configuration on cathodic and anodic electrodes showed that the anodic overpotential, more than the cathodic one, may limit the current density in the SCMFCs for a long-term operation.

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