煤炭转化2012，Vol.35Issue(4)：89-93,5.
温度对微生物燃料电池电化学性能的影响
INFLUENCE OF TEMPERATURE ON THE BEHAVIOR OF MICROBIAL FUEL CELLS
摘要
Abstract
The microbial fuel cells(MFCs) were tested in batch mode at different temperatures of 20 ℃ , 37 ℃ , 45 ℃. Power density, electrode potential, electrochemical impedance were examined as a function of temperature. The temperature increased from 20 ℃ to 37 ℃ , the peak power density enhanced by over 10. 5 times from 53. 35 mW/m2 (275 mA/m2) to 610. 5 mW/m2 (2 775 mA/m2). In the temperature range between 20 ℃ to 37 ℃ , the anode potential gradually decreased, while the anode polarization resistance decreased from 741. 9 Ω, to 42. 4 Ω; elevated temperatures not only enhanced the power output, they also influenced the bioelectrocatalytic performance of MFCs. MFCs grown at elevated temperatures were more electrochemically active than those at lower temperature. But too high operation temperature was disadvantageous to the perform of MFC. At the temperature of 45 ℃ , the peak power density was just 171 mW/m2 (600 mA/m2) , which was far lower than 610. 5 mW/m2 at temperature of 37 ℃; while anode polarization resistance increased from 42. 4 Ω to 416. 1Ω. At 37 ℃ , MFC displayed an optimum electrical chemistry performance. From the data, we proposed that the temperature was a crucial operational parameter in the yield of MFCs.关键词
微生物燃料电池/温度/电化学性能Key words
microbial fuel cell/temperature/electrochemical behavior分类
信息技术与安全科学引用本文复制引用
赵煜,李鹏,王晓斌,常冬霞,孙彦平..温度对微生物燃料电池电化学性能的影响[J].煤炭转化,2012,35(4):89-93,5.基金项目
国家自然科学基金资助项目(20776091,21176168). （20776091,21176168）
