Clean hydrogen production in a full biological microbial electrolysis cell

Tahereh Jafary, Wan Ramli Wan Daud, Mostafa Ghasemi, Mimi Hani Abu Bakar, Mehdi Sedighi, Byung Hong Kim, Alessandro A. Carmona-Martínez, Jamaliah Md Jahim, Manal Ismail

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The recent interest in microbial electrolysis cell (MEC) technology has led the research platform to develop full biological MECs (bioanode-biocathode, FB-MEC). This study focused on biohydrogen production from a biologically catalyzed MEC. A bioanode and a biocathode were initially enriched in a half biological MFC (bioanode-abiocathode, HB-MFC) and a half biological MEC (abioanode-biocathode, HB-MEC), respectively. The FB-MEC was established by transferring the biocathode of the HB-MEC and the bioanode of the HB-MFC to a two-chamber MEC. The FB-MEC was operated under batch (FB-MEC-B) and recirculation batch (FB-MEC-RB) modes of operation in the anodic chamber. The FB-MEC-B reached a maximum current density of 1.5 A/m2 and the FB-MEC-RB reached a maximum current density of 2.5 A/m2 at a similar applied voltage while the abiotic control system showed the maximum of 0.2 A/m2. Hydrogen production rate decreased in the FB-MEC compared to that of the HB-MEC. However, the cathodic hydrogen recovery increased from 42% obtained in the HB-MEC to 56% in the FB-MEC-B and 65% in the FB-MEC-RB, suggesting the efficient oxidation and reduction rates in the FB-MEC compared to the HB-MEC. The onset potential for hydrogen evolution reaction detected by linear sweep voltammetry analysis were -0.780 and -0.860 V vs Ag/AgCl for the FB-MEC-RB and the FB-MEC-B (-1.26 for the abiotic control MEC), respectively. Moreover, the results suggested that the FB-MEC worked more efficiently when the biocathode and the bioanode were enriched initially in half biological systems before transferring to the FB-MEC compared to that of the simultaneously enriched in one system.

Original languageEnglish
JournalInternational Journal of Hydrogen Energy
DOIs
Publication statusAccepted/In press - 1 Jan 2018

Fingerprint

Regenerative fuel cells
hydrogen production
electrolysis
Hydrogen production
cells
Current density
chambers
current density

Keywords

  • Full biological system
  • Hydrogen production
  • Microbial electrolysis cell
  • Mode of operation
  • Onset potential

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Clean hydrogen production in a full biological microbial electrolysis cell. / Jafary, Tahereh; Wan Daud, Wan Ramli; Ghasemi, Mostafa; Abu Bakar, Mimi Hani; Sedighi, Mehdi; Kim, Byung Hong; Carmona-Martínez, Alessandro A.; Md Jahim, Jamaliah; Ismail, Manal.

In: International Journal of Hydrogen Energy, 01.01.2018.

Research output: Contribution to journalArticle

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abstract = "The recent interest in microbial electrolysis cell (MEC) technology has led the research platform to develop full biological MECs (bioanode-biocathode, FB-MEC). This study focused on biohydrogen production from a biologically catalyzed MEC. A bioanode and a biocathode were initially enriched in a half biological MFC (bioanode-abiocathode, HB-MFC) and a half biological MEC (abioanode-biocathode, HB-MEC), respectively. The FB-MEC was established by transferring the biocathode of the HB-MEC and the bioanode of the HB-MFC to a two-chamber MEC. The FB-MEC was operated under batch (FB-MEC-B) and recirculation batch (FB-MEC-RB) modes of operation in the anodic chamber. The FB-MEC-B reached a maximum current density of 1.5 A/m2 and the FB-MEC-RB reached a maximum current density of 2.5 A/m2 at a similar applied voltage while the abiotic control system showed the maximum of 0.2 A/m2. Hydrogen production rate decreased in the FB-MEC compared to that of the HB-MEC. However, the cathodic hydrogen recovery increased from 42{\%} obtained in the HB-MEC to 56{\%} in the FB-MEC-B and 65{\%} in the FB-MEC-RB, suggesting the efficient oxidation and reduction rates in the FB-MEC compared to the HB-MEC. The onset potential for hydrogen evolution reaction detected by linear sweep voltammetry analysis were -0.780 and -0.860 V vs Ag/AgCl for the FB-MEC-RB and the FB-MEC-B (-1.26 for the abiotic control MEC), respectively. Moreover, the results suggested that the FB-MEC worked more efficiently when the biocathode and the bioanode were enriched initially in half biological systems before transferring to the FB-MEC compared to that of the simultaneously enriched in one system.",
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AU - Wan Daud, Wan Ramli

AU - Ghasemi, Mostafa

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AU - Sedighi, Mehdi

AU - Kim, Byung Hong

AU - Carmona-Martínez, Alessandro A.

AU - Md Jahim, Jamaliah

AU - Ismail, Manal

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