厌氧流化床微生物燃料电池空气阴极研究

doi:10.3969/j.issn.0438-1157.2013.01.041

化工学报 ›› 2013, Vol. 64 ›› Issue (1): 352-356.DOI: 10.3969/j.issn.0438-1157.2013.01.041

厌氧流化床微生物燃料电池空气阴极研究

岳学海, 孔维芳, 王许云, 郭庆杰

青岛科技大学化工学院,山东青岛 266042

收稿日期:2012-08-03 修回日期:2012-08-22 出版日期:2013-01-05 发布日期:2013-01-05
通讯作者: 郭庆杰
作者简介:岳学海(1971—),男,博士研究生,副教授。
基金资助:
山东省自然科学杰出青年基金项目(JQ200904);高校博士点基金项目(20103719120004);山东省高等学校科研计划项目(J11LB62)。

Research on air-cathode of anaerobic fluidized bed microbial fuel cell

YUE Xuehai, KONG Weifang, WANG Xuyun, GUO Qingjie

School of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, Shandong, China

Received:2012-08-03 Revised:2012-08-22 Online:2013-01-05 Published:2013-01-05
Supported by:
supported by the Science Foundation for Distinguished Young Scholars of Shandong Province (JQ200904), Research Fund for the Doctoral Program of Higher Education of China (20103719120004), and College Science and Technology Plan of Shandong Province, China (J11LB62).

摘要/Abstract

摘要： 流化床微生物燃料电池(AFBMFC)的阴极导电性和催化剂性能是影响微生物燃料电池产电性能的重要因素。本文首先在阴极负载少量银研究其对AFBMFC产电性能的影响。其次,制备四种铂钴合金催化剂,考察了催化剂对AFBMFC产电性能的影响。研究表明,阴极碳基层负载少量的银可以显著改善AFBMFC的产电性能,银负载量为0.7 mg·cm^-2时AFBMFC最大输出电压和输出功率密度分别为纯碳基层阴极的154%和330%。600℃比950℃制备的PtCo合金催化剂有较好的催化性能,在保证催化剂总量不变的情况下,铂用量为原来的50%,AFBMFC产电性能仍有较大幅度的提高。

关键词: 流化床, 微生物燃料电池, 阴极, 催化剂

Abstract: The conductivity of cathode and the activity of catalyst coated on cathode are critical to the electricity-generating capacity of AFBMFC.Carbon cloth cathode was loaded with a small amount of silver to investigate its influence for the conductivity of cathode.Then, four kinds of Pt/Co catalysts were prepared and coated to the cathode.The performance of AFBMFC was examined after the cathode was reformed.The results indicated that the performance of AFBMFC was improved remarkably when the carbon base layer was loaded with silver.With the addition of 0.7 mg Ag·cm^-2, the maximum output voltage and volumetric power density of AFBMFC increased to 154% and 330% of the original values respectively.PtCo catalysts annealed at 600℃ showed higher catalytic activity than that annealed at 950℃. The power generation of AFBMFC was much higher than those investigated by other researchers, although the dosage of Pt was reduced to half.

Key words: fluidized bed, microbial fuel cell, cathode, catalyst

中图分类号:

X382
X703

岳学海, 孔维芳, 王许云, 郭庆杰. 厌氧流化床微生物燃料电池空气阴极研究[J]. 化工学报, 2013, 64(1): 352-356.

YUE Xuehai, KONG Weifang, WANG Xuyun, GUO Qingjie. Research on air-cathode of anaerobic fluidized bed microbial fuel cell[J]. CIESC Journal, 2013, 64(1): 352-356.

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厌氧流化床微生物燃料电池空气阴极研究

Research on air-cathode of anaerobic fluidized bed microbial fuel cell

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