Power generation using adjustable Nafion/PTFE mixed binders in air-cathode microbial fuel cells

被引：45
|
作者：
Wang, Xin [1 ]
Feng, Yujie [1 ]
Liu, Jia [1 ]
Shi, Xinxin [1 ]
Lee, He [1 ]
Li, Nan [1 ]
Ren, Nanqi [1 ]
机构：
[1] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
来源：
BIOSENSORS & BIOELECTRONICS | 2010年 / 26卷 / 02期
基金：
美国国家科学基金会;
关键词：
Microbial fuel cells (MFCs); Nafion; PTFE; Mixed binder; Air-cathode; ELECTRON-TRANSFER; CARBON; EFFICIENCY; CATALYST; ANODES; PTFE;
D O I：
10.1016/j.bios.2010.06.026
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
Nafion, poly(tetrafluoroethylene) (PTFE) and polymers made of Nafion-PTFE mixture (Nafion and PTFE ratios of 1:2 and 2:1) were examined as catalyst binders in air-cathode microbial fuel cells (MFCs). MFC tests showed that the maximum power density (from 549 to 1060 mW/m(2)) increased with the increase of Nafion percentage in binders (from 0% to 100%). Multi-cycle tests (25 cycles) showed that the maximum voltages decreased by 4-6% with simultaneous increase in Coulombic efficiency in all MFCs using various binders (from 20% to 29% with Nafion binder; from 17% to 26% with other binders), indicating that adjustable Nafion/PTFE mixed polymers were applicable in MFCs as catalyst binders when considering both cost and performance of cathodes. (c) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：946 / 948
页数：3
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