Improving the power generation of microbial fuel cells by modifying the anode with single-wall carbon nanohorns

被引：24

作者：

Yang, Jiawei ^{[1
]}

Cheng, Shaoan ^{[1
]}

Sun, Yi ^{[1
]}

Li, Chaochao ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Energy Engn, State Key Lab Clean Energy, Hangzhou 310027, Zhejiang, Peoples R China

来源：

BIOTECHNOLOGY LETTERS | 2017年 / 39卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Anode modification; Microbial fuel cells; Power generation; Single-wall carbon nanohorns; Surfaces; HIGH-PERFORMANCE ANODES; AIR;

D O I：

10.1007/s10529-017-2384-4

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

To increase the power generation of microbial fuel cells (MFCs), anode modification with carbon materials (activated carbon, carbon nanotubes, and carbon nanohorns) was investigated. Maximum power densities of a stainless-steel anode MFC with a non-modified electrode (SS-MFC), an activated carbon-modified electrode (AC-MFC), a carbon nanotube-modified electrode (CNT-MFC) and a carbon nanohorn-modified electrode (CNH-MFC) were 72, 244, 261 and 327 mW m(-2), respectively. The total polarization resistance measured by electrochemical impedance spectroscopy were 3610 Omega for SS-MFC, 283 Omega for AC-MFC, 231 Omega for CNTs-MFC, and 136 Omega for CNHs-MFC, consistent with the anode resistances obtained by fitting the anode polarization curves. Single-wall carbon nanohorns are better than activated carbon and carbon nanotubes as a new anode modification material for improving anode performance.

引用

页码：1515 / 1520

页数：6

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