文档介绍：Effect of anodic biofilm growth on the performance
of the microbial fuel cell (MFC)
Bin Hou, Yong-You Hu*, Jian Sun, Yun-Qing Cao
Ministry of Education Key Laboratory of Pollution Control and Ecological Remediation for Industrial Agglomeration area
Department of Environmental Science and Engineering
South China University of Technology
Guangzhou 510006, China
Abstract—Electrochemical impedance spectroscopy (EIS) and A single chamber MFC equipped with a PEM (Proton
Cyclic Voltammetry (CV) were used to explore the mechanism of Exchange Membrane) air cathode was used for all
the effect of anodic biofilm growth on power output of the experiments. Porous carbon papers with a projected surface
microbial fuel cell (MFC) at different operational conditions. area of 3×3 cm2 (one side) were used as anode electrodes. The
These operational conditions included MFC systems with and air-cathode was same to the anode in size and consisted of
without the bacterial catalyst and at different periods of biofilm catalyst layer (containing cm-2 of Pt) in water-facing
growth. Power density increased with the development of biofilm
2 side and polytetrafluoroethylene (PTFE) diffusion layer in air-
on the anodic surface. Higher power density of 594 mW/m was facing side.
observed on day 30 (a maturate bioflim) compared with the
power density of mW/m2 on d