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Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 39, 2017 - Issue 14
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Original Articles

Carbon nanotube sponge 3D anodes for urine-powered microbial fuel cell

Yu ZhouKey Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, ChinaView further author information
,
Junxian HouKey Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, ChinaView further author information
,
Wenwen ChenKey Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, ChinaView further author information
&
Zhongliang LiuKey Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, ChinaCorrespondence[email protected]
View further author information
Pages 1543-1547 | Published online: 24 Jul 2017
 
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ABSTRACT

Urine-powered microbial fuel cells (UMFCs) can recover energy from urine, a typical constituent of urban wastewater. Three-dimensional (3D) structure is advantageous for improving the anode performance, especially using carbon nanotube (CNT), which has good biocompatibility. It is proposed in this paper to use 3D carbon nanotube sponge (3DCS), which has a proper size of pores as anodes for UMFCs. The maximum output voltage is as high as 231.89 mV, and the power density is 1.24 W m−3 (per anode volume). The results show that 3DCS is a good choice for fabricating 3D anode for UMFCs.

Funding

This work was supported by the Chinese National Natural Science Foundation Project (No. 51676004).

Additional information

Funding

This work was supported by the Chinese National Natural Science Foundation Project (No. 51676004).

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