MoO3/石墨烯/碳纳米管复合阴极在MFCs中的应用

doi:10.11949/j.issn.0438-1157.20161195

化工学报

MoO₃/石墨烯/碳纳米管复合阴极在MFCs中的应用

郭文显¹, 陈妹琼¹, 程发良²

1 东莞理工学院城市学院, 东莞市绿色能源重点实验室, 广东东莞 523419;
2 东莞理工学院, 广东省新型纳米材料工程技术研究中心, 广东东莞 523808

收稿日期:2016-08-26 修回日期:2016-11-21 出版日期:2017-03-05 发布日期:2017-03-05
通讯作者: 程发良,chengfl@dgut.edu.cn
基金资助:
国家自然科学基金项目（21375016，21475022，21505019）；东莞市科技计划项目（2014106101020）。

Application of MoO₃/graphene/carbon nano-tube composite cathode for MFCs

GUO Wenxian¹, CHEN Meiqiong¹, CHENG Faliang²

1 Dongguan Key Laboratory of Green Energy, City College, Dongguan University of Technology, Dongguan 523419, Guangdong, China;
2 Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, Dongguan University of Technology, Dongguan 523808, Guangdong, China

Received:2016-08-26 Revised:2016-11-21 Online:2017-03-05 Published:2017-03-05
Contact: 10.11949/j.issn.0438-1157.20161195
Supported by:
supported by the National Natural Science Foundation of China (21375016,21475022,21505019) and the Dongguan Science and Technology Project (2014106101020).

摘要/Abstract

摘要：

采用简单的水热合成法制备了氧化钼（MoO₃）/石墨烯（GNS）/碳纳米管（CNT）复合材料。用扫描电子显微镜（SEM）和X射线衍射仪（XRD）表征了材料的形貌和结构。用循环伏安（CV）和线性扫描（LSV）测试了材料的氧还原催化性能，结果发现，复合材料的氧还原电流和起始电位均大大优于单一的MoO₃，表现出较好的催化性能。含有3 mg·cm^-2 MoO₃/GNS/CNT复合材料作为阴极催化剂的MFC最大功率密度为510 mW·m^-2，达到商业铂碳的83%。因此，廉价的MoO₃/GNS/CNT复合材料作为MFC阴极氧还原催化剂具有巨大的应用潜力。

关键词: 微生物燃料电池, 阴极, 还原, 催化剂, 复合材料, 三氧化钼

Abstract:

The MoO₃/graphene/carbon nano-tube composites were synthesized via a facile hydrothermal method. The morphology of the materials were observed using scanning electron microscope (SEM) and the structures were characterized, with X-ray diffraction (XRD). The electro catalytic activity of oxygen reduction of the materials were measured by cyclic voltammetry (CV) and linear sweep voltammetry (LSV). The results revealed that the composites exhibited better electro catalytic activity towards oxygen reduction with a higher oxygen reduction current and more positive oneset potential than pure MoO₃. The microbial fuel cell assembled with 3 mg·cm^-2 MoO₃/GNS/CNT composites as cathode catalyst delivered a higher power density of 510 mW·m^-2, which was 83% as much as the MFCs using Pt/C-catalyst cathode. Therefore, the inexpensive MoO₃/GNS/CNT composites as MFCs cathode oxygen reduction catalyst had great potential for application.

Key words: microbial fuel cell, cathode, reduction, catalyst, composite, molybdenum trioxide

中图分类号:

郭文显, 陈妹琼, 程发良. MoO₃/石墨烯/碳纳米管复合阴极在MFCs中的应用[J]. 化工学报, DOI: 10.11949/j.issn.0438-1157.20161195.

GUO Wenxian, CHEN Meiqiong, CHENG Faliang. Application of MoO₃/graphene/carbon nano-tube composite cathode for MFCs[J]. CIESC Journal, DOI: 10.11949/j.issn.0438-1157.20161195.

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MoO₃/石墨烯/碳纳米管复合阴极在MFCs中的应用

Application of MoO₃/graphene/carbon nano-tube composite cathode for MFCs

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