A review on self-sustainable microbial electrolysis cells for electro-biohydrogen production via coupling with carbon-neutral renewable energy technologies.
Omar Mohamed, Hend
Al-Qaradawi, Siham Y
KAUST DepartmentMultiscale Reaction Engineering, KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.
Physical Science and Engineering (PSE) Division
Embargo End Date2022-11-13
Permanent link to this recordhttp://hdl.handle.net/10754/665937
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AbstractMicrobial electrolysis cell (MEC) technology is a promising bioelectrochemical hydrogen production technology that utilizes anodic bio-catalytic oxidation and cathodic reduction processes. MECs require a lower external energy input than water electrolysis; however, as they also require the application of external power sources, this inevitably renders MEC systems a less sustainable option. This issue is the main obstacle hindering the practical application of MECs. Therefore, this review aims to introduce a self-sustainable MEC technology by combining conventional MECs with advanced carbon-neutral technologies, such as solar-, microbial-, osmotic-, and thermoelectric-powers (and their combinations). Moreover, new approaches to overcome the thermodynamic barriers and attain self-sustaining MECs are discussed in detail, thereby providing a working principle, current challenges, and future perspective in the field. This review provides comprehensive insights into reliable hydrogen production as well as the latest trends towards self-sustainable MECs for practical application.
CitationYang, E., Omar Mohamed, H., Park, S.-G., Obaid, M., Al-Qaradawi, S. Y., Castaño, P., … Chae, K.-J. (2021). A review on self-sustainable microbial electrolysis cells for electro-biohydrogen production via coupling with carbon-neutral renewable energy technologies. Bioresource Technology, 320, 124363. doi:10.1016/j.biortech.2020.124363
SponsorsThis publication was made possible by NPRP grant NPRP12S-0304-190218 from the Qatar National Research Fund (a member of Qatar Foundation). The findings achieved herein are solely the responsibility of the authors. This project was partially funded by National Research Foundation of Korea (NRF) grant from the Korean government (MSIT) (No. 2019R1A2C1006356).
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