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https://doi.org/10.1128/JB.05621-11

has been cited by the following article:

• TITLE: The Cellulolytic Bacteria R. albus for Improving the Efficiency of Microbial Fuel Cell

  AUTHORS: Rebecca Chung, Diane J. Moon, Yoo Na Chang, David S. Chung, Taekwon Kong, Justin Kim

  KEYWORDS: Microbial Fuel Cell (MFC), Cellulolytic Bacteria, Microorganism, R. albus

  JOURNAL NAME: Journal of Sustainable Bioenergy Systems, Vol.8 No.2, June 28, 2018

  ABSTRACT: The current study has been undertaken to examine the beneficial effect in the power output of a microbial fuel cell (MFC) by adding cellulolytic bacteria Ruminococcus albus (R. albus) into the anodic chamber. Mediator-less H-type MFCs were set up where the anode chamber contained anaerobic digester microorganisms as inocula on finely ground pine tree (Avicel) at 2% (w/v) and the cathode chamber of 10mM phosphate buffered saline conductive solution, both separated by a cation exchange membrane. The functioning of the MFCs for generation of electrical power and the amounts of gaseous byproducts was monitored over a 9-day period. The addition of cellulolytic bacteria caused an increase of average power density from 7.9 m W/m2 to19.5 m W/m2, about 245% increase over a 9-day period. For both groups of MFCs; with R. albus and the control, the head space gases collected were methane and CO2. While the methane: CO2 ratios were found unchanged at 1.7:1 throughout the 9 days of operation, the total gas production increased from 248 mL to 319 mL due to the presence of R. albus addition. This study confirms that whereas the biocatalytic activity of anode microbial population determines the energy production, the addition of external cellulolytic bacteria into anode microbial population can improve and extend the biomass utilization.