Addition of conductive particles to improve the performance of activated carbon air-cathodes in microbial fuel cells

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	Addition of conductive particles to improve the performance of activated carbon air-cathodes in microbial fuel cells
	Zhang, Xiaoyuan; Xia, Xue; He, Weihua; Logan, Bruce E.; Huang, Xia; Wang, Qiuying
刊名	ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY
	2017-09-01
卷号	3 期号:5 页码:806-810
英文摘要	Activated carbon (AC) is an inexpensive and sustainable catalyst for oxygen reduction in air-cathodes of microbial fuel cells (MFCs), but its electrical conductivity is relatively poor. To improve cathode performance, five different more conductive materials were added to AC: three carbon materials (carbon black, mesoporous carbon, and carbon nanotubes), and two metal powders (inexpensive copper and inert gold). Carbon-based particles improved maximum power densities by 6-14% compared to plain AC due to reduced charge transfer resistance. Copper powder had reduced performance, likely due to toxicity effects on the anode bacteria, while gold particles were similar to plain AC. Heat treated AC mixed with carbon black produced the highest power density of 1900 +/- 76 mW m(-2), 41% higher than the widely used Pt air-cathode (1350 +/- 55 mW m(-2)). The use of inexpensive carbon black with heat treatment was therefore the most effective and economical approach for improving cathode performance in MFCs.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/39184]
专题	生态环境研究中心_大气污染控制中心
推荐引用方式 GB/T 7714	Zhang, Xiaoyuan,Xia, Xue,He, Weihua,et al. Addition of conductive particles to improve the performance of activated carbon air-cathodes in microbial fuel cells[J]. ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY,2017,3(5):806-810.
APA	Zhang, Xiaoyuan,Xia, Xue,He, Weihua,Logan, Bruce E.,Huang, Xia,&Wang, Qiuying.(2017).Addition of conductive particles to improve the performance of activated carbon air-cathodes in microbial fuel cells.ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY,3(5),806-810.
MLA	Zhang, Xiaoyuan,et al."Addition of conductive particles to improve the performance of activated carbon air-cathodes in microbial fuel cells".ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY 3.5(2017):806-810.