None-platinum electrode catalysts and membranes for highly efficient and inexpensive H2 production in microbial electrolysis cells (MECs)

A review

Abudukeremu Kadier, Washington Logroño, Pankaj Kumar Rai, Mohd. Sahaid Kalil, Azah Mohamed, Hassimi Abu Hasan, Aidil Abdul Hamid

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Microbial electrolysis cell (MEC) is a gripping bio-electrochemical device producing H2 gas from renewable biomass while at the same time treat wastewater. Through extensive global research efforts in the latest decade, the performance of MECs, including energy efficiency, hydrogen production rate (HPR), and hydrogen recovery have achieved significant breakthroughs. However, employing a low-cost, stable and high efficient cathode to replace platinum catalyzed cathode (Pt/C) is the greatest challenge for large-scale industrialization of MEC. Numerous studies have demonstrated that the performance of MEC directly depends on the kinetics of the anode and cathode reactions within the electrolysis cell, with the performance of the electrode catalyst highly affected by the materials they are made from. In a relatively short space of time, a wide range of electrode materials have been tested to amplify the performance of MECs, such as carbon-based electrode catalysts have emerged as promising electrode materials for both anode and cathode construction. Composite materials have also shown to have the potential to become materials of choice for electro-catalyst manufacture. More recently, various transition metal oxides and alloys have been extensively examined as alternatives to conventional expensive noble-metals like platinum for hydrogen evaluation reaction (HER) in MECs. Numerous studies have confirmed that stainless steel, Ni alloys, and Pd nanoparticle decorated cathode are worth mentioning and have very good efficiency. In the present article, we present a comprehensive review centered on the development of a low-cost and high efficient electrode materials and membrane to boost the performance of MECs, including anode, cathode, and membrane.

Original languageEnglish
Pages (from-to)89-102
Number of pages14
JournalIranian Journal of Catalysis
Volume7
Issue number2
Publication statusPublished - 1 Mar 2017

Fingerprint

Regenerative fuel cells
Platinum
Cathodes
Membranes
Electrodes
Catalysts
Anodes
Hydrogen
Stainless Steel
Hydrogen production
Precious metals
Electrolysis
Oxides
Transition metals
Energy efficiency
Costs
Biomass
Wastewater
Carbon
Stainless steel

Keywords

  • Anode materials
  • Biocathode
  • Cathode catalysts
  • Hydrogen production
  • Hydrogen production rate (HPR)
  • Microbial electrolysis cell (MEC)
  • Stainless steel (SS)

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry
  • Inorganic Chemistry

Cite this

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abstract = "Microbial electrolysis cell (MEC) is a gripping bio-electrochemical device producing H2 gas from renewable biomass while at the same time treat wastewater. Through extensive global research efforts in the latest decade, the performance of MECs, including energy efficiency, hydrogen production rate (HPR), and hydrogen recovery have achieved significant breakthroughs. However, employing a low-cost, stable and high efficient cathode to replace platinum catalyzed cathode (Pt/C) is the greatest challenge for large-scale industrialization of MEC. Numerous studies have demonstrated that the performance of MEC directly depends on the kinetics of the anode and cathode reactions within the electrolysis cell, with the performance of the electrode catalyst highly affected by the materials they are made from. In a relatively short space of time, a wide range of electrode materials have been tested to amplify the performance of MECs, such as carbon-based electrode catalysts have emerged as promising electrode materials for both anode and cathode construction. Composite materials have also shown to have the potential to become materials of choice for electro-catalyst manufacture. More recently, various transition metal oxides and alloys have been extensively examined as alternatives to conventional expensive noble-metals like platinum for hydrogen evaluation reaction (HER) in MECs. Numerous studies have confirmed that stainless steel, Ni alloys, and Pd nanoparticle decorated cathode are worth mentioning and have very good efficiency. In the present article, we present a comprehensive review centered on the development of a low-cost and high efficient electrode materials and membrane to boost the performance of MECs, including anode, cathode, and membrane.",
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AU - Rai, Pankaj Kumar

AU - Kalil, Mohd. Sahaid

AU - Mohamed, Azah

AU - Abu Hasan, Hassimi

AU - Abdul Hamid, Aidil

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