Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 18, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/ijms18010090
Keywords
bioelectrochemical systems; three-dimensional electrode; macroporous; nanostructure; microbial fuel cells
Funding
- National Natural Science Foundation of China [NSFC 51578266, 21306069]
- Natural Science Foundation of Jiangsu Province for Distinguished Young Scholars [BK20160015]
- Priority Program Development of Jiangsu Higher Education Institutions
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Bioelectrochemical systems (BES) are groups of bioelectrochemical technologies and platforms that could facilitate versatile environmental and biological applications. The performance of BES is mainly determined by the key process of electron transfer at the bacteria and electrode interface, which is known as extracellular electron transfer (EET). Thus, developing novel electrodes to encourage bacteria attachment and enhance EET efficiency is of great significance. Recently, three-dimensional (3D) electrodes, which provide large specific area for bacteria attachment and macroporous structures for substrate diffusion, have emerged as a promising electrode for high-performance BES. Herein, a comprehensive review of versatile methodology developed for 3D electrode fabrication is presented. This review article is organized based on the categorization of 3D electrode fabrication strategy and BES performance comparison. In particular, the advantages and shortcomings of these 3D electrodes are presented and their future development is discussed.
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