Research Progress of Electrodes in Constructed Wetlands-Microbial Fuel Cells
[Objective]In recent years,constructed wetland(CW)coupled with microbial fuel cell(MFC)have formed a novel bioelectrochemical system,constructed wetland-microbial fuel cell(CW-MFC),with excellent pollutant degradation and bioelectricity generation performance.The aim of this paper is to summarise the char-acteristics and applications of the electrodes,introduce the effects of different electrode materials on the system,and finally provide an outlook on its future research directions.[Methodology]This paper combines the latest research results at home and abroad.[Results]The functional properties and applications of electrodes are sum-marised,followed by the performance differences of different electrode materials in the wastewater treatment pro-cess and their effects on the power generation efficiency,and finally an outlook on their future research direc-tions is presented for further reference for the technological development of CW-MFC.[Conclusion]CW-MFC is a bioelectrochemical system with a wide range of applications.Future research directions include optimisation of electrode materials,improvement of system operation efficiency and cost reduction.At the same time,re-search in practical applications needs to be strengthened to promote the application of this technology in the fields of environmental protection and energy.
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