Power Generation in Bio-cathode Microbial Fuel Cell with Different Cathode Materials

被引：0

作者：

Zhang Jin-Na ^{[1
]}

Zhao Qing-Liang ^{[1
]}

You Shi-Jie ^{[1
]}

Zhang Guo-Dong ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Municipal & Environm Engn, State Key Lab Urban Water Resources & Environm, Harbin 150090, Peoples R China

来源：

CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE | 2010年 / 31卷 / 01期

关键词：

Microbial fuel cell; Bio-cathode; Electrode material; Power density; ELECTRICITY-GENERATION; PERMANGANATE; ENERGY; ANODE;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Power generation from bio-cathode microbial fuel cell(MFC) with graphite fiber brush (GFB) and graphite granule(GG) as cathode material was investigated with COD( Chemical Oxygen Demand) of 2000 mg/L glucose as anodic fuel. The results demonstrated that GFB-cathode MFC could be started up after a longer time with lower voltage of 0.324 V than GG-cathode MFC(0.581 V) at constant load of 300 Omega. Polarization analysis showed that the maximum power density of 24. 7 W/m(3)(117. 2 A/m(3)) and 50.3 W/m(3)(167. 2 A/m(3)) were reached for GFB-cathode MFC and GG-cathode MFC, respectively. As indicated by electrochemical impedance spectroscopy( EIS) analysis, the difference in power output of two MFCs should result from internal resistance, particularly activation resistance. This is mainly because of the difference in surface feature of two materials for microbial growth and distribution. Organic compounds could be removed in both MFC systems, which accomplished waste water treatment.

引用

页码：162 / 166

页数：5

共 16 条

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