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Review

Influence of Nanomaterials and Other Factors on Biohydrogen Production Rates in Microbial Electrolysis Cells—A Review

by
Nabil. K. Abd-Elrahman
1,*,
Nuha Al-Harbi
2,*,
Yas Al-Hadeethi
3,*,
Adel Bandar Alruqi
3,
Hiba Mohammed
4,
Ahmad Umar
5,6,† and
Sheikh Akbar
6
1
Soil Fertility and Microbiology Department, Desert Research Center, El-Matareya, Cairo 11753, Egypt
2
Department of Physics, Faculty of Applied Sciences, Umm AL-Qura University, Makkah 21955, Saudi Arabia
3
Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
4
Fondazione Novara Sviluppo, 28100 Novara, Italy
5
Department of Chemistry, College of Science and Arts, Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Saudi Arabia
6
Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA
*
Authors to whom correspondence should be addressed.
†
Adjunct Professor at the Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA.
Molecules 2022, 27(23), 8594; https://doi.org/10.3390/molecules27238594
Submission received: 21 October 2022 / Revised: 28 November 2022 / Accepted: 1 December 2022 / Published: 6 December 2022
(This article belongs to the Special Issue Catalysis, Electronics, Energy and Health at Nanoscale Domain)
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Abstract

Microbial Electrolysis Cells (MECs) are one of the bioreactors that have been used to produce bio-hydrogen by biological methods. The objective of this comprehensive review is to study the effects of MEC configuration (single-chamber and double-chamber), electrode materials (anode and cathode), substrates (sodium acetate, glucose, glycerol, domestic wastewater and industrial wastewater), pH, temperature, applied voltage and nanomaterials at maximum bio-hydrogen production rates (Bio-HPR). The obtained results were summarized based on the use of nanomaterials as electrodes, substrates, pH, temperature, applied voltage, Bio-HPR, columbic efficiency (CE) and cathode bio-hydrogen recovery (C Bio-HR). At the end of this review, future challenges for improving bio-hydrogen production in the MEC are also discussed.
Keywords: Microbial Electrolysis Cells (MECs); bio-hydrogen production rates (Bio-HPR); nanomaterials; columbic efficiency (CE); cathode bio-hydrogen recovery (C Bio-HR) Microbial Electrolysis Cells (MECs); bio-hydrogen production rates (Bio-HPR); nanomaterials; columbic efficiency (CE); cathode bio-hydrogen recovery (C Bio-HR)

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MDPI and ACS Style

Abd-Elrahman, N.K.; Al-Harbi, N.; Al-Hadeethi, Y.; Alruqi, A.B.; Mohammed, H.; Umar, A.; Akbar, S. Influence of Nanomaterials and Other Factors on Biohydrogen Production Rates in Microbial Electrolysis Cells—A Review. Molecules 2022, 27, 8594. https://doi.org/10.3390/molecules27238594

AMA Style

Abd-Elrahman NK, Al-Harbi N, Al-Hadeethi Y, Alruqi AB, Mohammed H, Umar A, Akbar S. Influence of Nanomaterials and Other Factors on Biohydrogen Production Rates in Microbial Electrolysis Cells—A Review. Molecules. 2022; 27(23):8594. https://doi.org/10.3390/molecules27238594

Chicago/Turabian Style

Abd-Elrahman, Nabil. K., Nuha Al-Harbi, Yas Al-Hadeethi, Adel Bandar Alruqi, Hiba Mohammed, Ahmad Umar, and Sheikh Akbar. 2022. "Influence of Nanomaterials and Other Factors on Biohydrogen Production Rates in Microbial Electrolysis Cells—A Review" Molecules 27, no. 23: 8594. https://doi.org/10.3390/molecules27238594

APA Style

Abd-Elrahman, N. K., Al-Harbi, N., Al-Hadeethi, Y., Alruqi, A. B., Mohammed, H., Umar, A., & Akbar, S. (2022). Influence of Nanomaterials and Other Factors on Biohydrogen Production Rates in Microbial Electrolysis Cells—A Review. Molecules, 27(23), 8594. https://doi.org/10.3390/molecules27238594

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