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机构地区:[1]Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle,Nanchang Hangkong University [2]Fujian Provincial Key Laboratory of Nanomaterials,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences [3]Department of Chemistry,Tsinghua University
出 处:《Science China Materials》2015年第6期496-509,共14页中国科学(材料科学(英文版)
基 金:supported by the Natural Science Foundation of Jiangxi Province (20152ACB21019);the National Natural Science Foundation of China (21206068);the National Basic Research Program of China (2013CB934004)
摘 要:Microbial fuel cells(MFCs) are environmentally friendly technology capable of converting chemical energy stored in wastewaters directly into electrical energy by using microorganisms as biocatalysts. However, the overall low power density of the MFC and the high cost of its components are two major barriers for its commercialization. Among all the factors, the electrodes(cathode and anode) materials play the significant role in affecting the performance of MFCs. Recently, the performance of MFCs has been improved by using graphene-based electrodes that are more conductive and mechanically stable with larger surface area and higher electrocatalytic activity compared to the conventional carbon materials. This paper provides an overview of recent research progress in graphene-based materials as electrodes for MFCs, which will be the promising candidates for developing MFCs and other bioelectrochemical systems to achieve sustainable water/wastewater treatment and bioenergy production.微生物燃料电池是一种采用微生物作为生物催化剂,直接将储藏在废水中的化学能转化为电能的环境友好技术.目前,微生物燃料电池的商业发展仍受制于功率密度低、构成部件成本高这两个缺陷.在制约微生物燃料电池商业化的因素中,电极(包括阴极和阳极)材料具有举足轻重的地位.相对于传统材料,基于石墨烯的电极材料具有优异的导电性能、稳定的机械性能、较大的比表面积以及高的电催化活性,它的使用大大提高了微生物燃料电池的性能.本文主要综述了近期基于石墨烯基电极材料微生物燃料电池的研究进展,基于石墨烯的电极材料有望用于可持续性的废水处理及生物能利用技术,并在未来微生物燃料电池以及其他生物电化学系统中广泛应用.
关 键 词:微生物燃料电池 石墨烯 MFC ORR 电极材料
分 类 号:TM911.4[电气工程—电力电子与电力传动] O613.71[理学—无机化学]
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