A simple method for preparing a binder-free paper-based air cathode for microbial fuel cells

被引：27
作者：
Yang, Wei
Li, Jun [1 ]
Fu, Qian
Zhang, Liang
Zhu, Xun
Liao, Qiang
机构：
[1] Chongqing Univ, Inst Engn Thermophys, Chongqing 400030, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2017年 / 241卷
基金：
美国国家科学基金会; 国家杰出青年科学基金;
关键词：
Microbial fuel cell; Oxygen reduction reaction; Kraft paper; Iron (II) phthalocyanine; Air-cathode; OXYGEN REDUCTION REACTION; ROLLING ACTIVATED CARBON; NITROGEN-DOPED GRAPHENE; IRON PHTHALOCYANINE; HIGH-PERFORMANCE; WASTE-WATER; CATALYSTS; POLYANILINE; ELECTRICITY; GENERATION;
D O I：
10.1016/j.biortech.2017.05.063
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In this paper, we proposed a simple method for preparing a binder-free air-cathode using carbonized kraft paper as the support and iron (II) phthalocyanine (FePc) as the catalyst. The results indicated that the oxygen reduction reaction (ORR) performance of the air-cathodes was dependent on the fabrication steps. A cathode (KP-HT-FePc-HT) fabricated by pyrolyzing kraft paper at 1000 degrees C followed by FePc heat treatment at 700 degrees C showed the highest P-max of 830 +/- 31 mWm(-2) compared to FePc/KP-HT (363 +/- 48 mWm(-2)) prepared by direct pyrolysis. X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), Raman spectroscopy and electrochemical tests showed that the superior electrocatalytic activity of KP-HT-FePc-HT was attributable to its higher content of pyridinic-N. This study demonstrated that the FePc/KP-based binder-free air-cathode had the advantages of low cost, easy fabrication, environmental benefits, and good scalability and therefore could serve as a good alternative for the air-cathode of MFCs. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：325 / 331
页数：7
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