光催化材料对微生物燃料电池的影响

Effect of photocatalytic materials on microbial fuel cells

微生物燃料电池是微生物-电化学装置,利用产电菌氧化有机物,将化学能转化为电能,在开发新能源和污染物处理方面具有巨大潜力.光催化微生物燃料电池利用半导体材料作为光电极,将光能引入到微生物燃料电池中,能够同步利用太阳能并且提高微生物燃料电池的产电效率.总结了国内外微生物燃料电池体系中半导体材料作为光电极的研究,对光催化微生物燃料电池的机理、生物电极与光电极的协同作用、产电性能以及污染物去除方面进行总结,并对其推广应用进行展望.

Microbial fuel cell is bio-electrochemical device,where electrogenic bacteria are used to oxidize the organic matter,converting chemical energy into electrical energy; the device has great potential in the new energy development and pollutant treatment. Photocatalytic microbial fuel cell use semiconductor materials as photoelectrodes,solar energy is introduced into the microbial fuel cell research to improve the electricity generation efficiency of microbial fuel cells. This paper summarized the researches in microbial fuel cell system with semiconductor materials as photoelectrodes. The mechanism of photocatalytic microbial fuel cell,the synergistic effect of biological electrode and the photoelectrode,performance of electricity generation and the removal of contaminant were summarized. The promotion application of photocatalytic microbial fuel cell was predicted.