Carbon Nanofibers Modified Graphite Felt for High Performance Anode in High Substrate Concentration Microbial Fuel Cells

被引：7

作者：

Shen, Youliang ^{[1
,2
]}

Zhou, Yan ^{[3
]}

Chen, Shuiliang ^{[3
]}

Yang, Fangfang ^{[3
]}

Zheng, Suqi ^{[3
]}

Hou, Haoqing ^{[1
,3
]}

机构：

[1] Nanchang Univ, Sch Mat Sci & Engn, Nanchang 330031, Peoples R China

[2] Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Surface Engn, Nanchang 330013, Peoples R China

[3] Jiangxi Normal Univ, Dept Chem & Chem Engn, Nanchang 330022, Peoples R China

来源：

SCIENTIFIC WORLD JOURNAL | 2014年

基金：

中国国家自然科学基金;

关键词：

ELECTRICITY-GENERATION; POWER-GENERATION; WASTE-WATER; ELECTRODES; NANOTUBES;

D O I：

10.1155/2014/130185

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Carbon nanofibersmodified graphite fibers (CNFs/GF) composite electrodewas prepared for anode in high substrate concentration microbial fuel cells. Electrochemical tests showed that the CNFs/GF anode generated a peak current density of 2.42 mA cm(-2) at a low acetate concentration of 20 mM, which was 54% higher than that from bare GF. Increase of the acetate concentration to 80 mM, in which the peak current density of the CNFs/GF anode greatly increased and was up to 3.57 mA cm(-2), was seven times as that of GF anode. Morphology characterization revealed that the biofilms in the CNFs/GF anode were much denser than those in the bare GF. This result revealed that the nanostructure in the anode not only enhanced current generation but also could tolerate high substrate concentration.

引用

页数：5

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