期刊
CARBON ENERGY
卷 3, 期 3, 页码 449-472出版社
WILEY
DOI: 10.1002/cey2.113
关键词
carbon materials; cell surface modification; extracellular electron transfer; hybrid biofilm; microbial fuel cells
类别
资金
- National Natural Science Foundation of China [21804070, 21974125]
- City University of Hong Kong
- 111 Project [D20015]
The application of carbon materials in MFC anodes has become a key aspect of improving the performance of microbial fuel cells, focusing on the diversity of carbon materials types and structures, as well as research on enhancing bacterial attachment and electron transfer efficiency. By summarizing the various strategies and mechanisms used to modify MFC anodes with carbon materials, guidance can be provided for the future development of carbon material-based anodes in MFCs.
For the performance improvement of microbial fuel cells (MFCs), the anode becomes a breakthrough point due to its influence on bacterial attachment and extracellular electron transfer (EET). On other level, carbon materials possess the following features: low cost, rich natural abundance, good thermal and chemical stability, as well as tunable surface properties and spatial structure. Therefore, the development of carbon materials and carbon-based composites has flourished in the anode of MFCs during the past years. In this review, the major carbon materials used to decorate MFC anodes have been systematically summarized, based on the differences in composition and structure. Moreover, we have also outlined the carbon material-based hybrid biofilms and carbon material-modified exoelectrogens in MFCs, along with the discussion of known strategies and mechanisms to enhance the bacteria-hosting capabilities of carbon material-based anodes, EET efficiencies, and MFC performances. Finally, the main challenges coupled with some exploratory proposals are also expounded for providing some guidance on the future development of carbon material-based anodes in MFCs.
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