Microbial Fuel Cells (MFCs) have attracted considerable attention over the last decade as a sustainable technology for electricity generation. Although, the concept of electricity production from bacteria was conceived nearly a century ago, only recently the technology has been sufficiently improved to make it useful as a method for energy generation. Performances of constructed MFCs with different enriched environmental samples were investigated under batch mode of operation after 24 h of incubation using different cathodic electrolytes and electrodes in mediator-less and with methylene blue as mediator. The maximum power density obtained was 48.85 mW m-2 with graphite rod and 42.59 mW m-2 with copper electrode and current density obtained was 108.57 mA m-2 with graphite rod and 88.01 mA m-2 with copper electrode all obtained with KMnO4 solution.
Pratima Gupta, Piyush Parkhey, Komal Joshi, Anjali Mahilkar, Jasjeet Kaur Bhatia and Lalit Narain Meena, 2012. Comparative Study of Microbial Fuel Cell for Electricity Generation by Enriched Exoelectron Generating Bacteria from Environmental Samples. Asian Journal of Biotechnology, 4: 137-142.