Can electrochemically active biofilm protect stainless steel used as electrodes in bioelectrochemical systems in a similar way as galvanic corrosion protection?

Raba'atun Adawiyah Shamsuddin, Mimi Hani Abu Bakar, Wan Ramli Wan Daud, Kim Byung Hong, Jamaliah Md Jahim

Research output: Contribution to journalArticle

Abstract

Stainless steel (SS) has been reported as a suitable electrode material for the growth of electrochemically active biofilm whether it is for a microbial fuel cell (MFC) or microbial electrolysis cell (MEC) in the bioelectrochemical system. Although the flame oxidation technique could improve SS property as electrodes, it comes with an increased risk of corrosion. The undesirable corrosion may cause the release of a toxic element such as chromium. At present, mitigation actions have been identified such as connecting iron to a sacrificial metal in a mechanism known as galvanic corrosion protection (GCP). An external power source could be used as an alternative to supply current similar to the sacrificial metal, which technique applied in MEC. In this review, the electron flow mechanisms between microbiologically influenced corrosion (MIC) and MEC biocathode will be addressed. Thus, it proposes a hypothesis of SS protection from corrosion in a similar way as in the GCP.

Original languageEnglish
JournalInternational Journal of Hydrogen Energy
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

biofilms
Regenerative fuel cells
Biofilms
Corrosion protection
stainless steels
corrosion
Stainless steel
Corrosion
Electrodes
electrodes
electrolysis
Microbial fuel cells
Metals
cells
Chromium
electrode materials
Iron
Oxidation
metals
fuel cells

Keywords

  • Biocathode
  • Corrosion
  • Galvanic
  • MEC
  • MIC
  • Stainless steel

ASJC Scopus subject areas

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

Cite this

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title = "Can electrochemically active biofilm protect stainless steel used as electrodes in bioelectrochemical systems in a similar way as galvanic corrosion protection?",
abstract = "Stainless steel (SS) has been reported as a suitable electrode material for the growth of electrochemically active biofilm whether it is for a microbial fuel cell (MFC) or microbial electrolysis cell (MEC) in the bioelectrochemical system. Although the flame oxidation technique could improve SS property as electrodes, it comes with an increased risk of corrosion. The undesirable corrosion may cause the release of a toxic element such as chromium. At present, mitigation actions have been identified such as connecting iron to a sacrificial metal in a mechanism known as galvanic corrosion protection (GCP). An external power source could be used as an alternative to supply current similar to the sacrificial metal, which technique applied in MEC. In this review, the electron flow mechanisms between microbiologically influenced corrosion (MIC) and MEC biocathode will be addressed. Thus, it proposes a hypothesis of SS protection from corrosion in a similar way as in the GCP.",
keywords = "Biocathode, Corrosion, Galvanic, MEC, MIC, Stainless steel",
author = "Shamsuddin, {Raba'atun Adawiyah} and {Abu Bakar}, {Mimi Hani} and {Wan Daud}, {Wan Ramli} and Hong, {Kim Byung} and {Md Jahim}, Jamaliah",
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AU - Shamsuddin, Raba'atun Adawiyah

AU - Abu Bakar, Mimi Hani

AU - Wan Daud, Wan Ramli

AU - Hong, Kim Byung

AU - Md Jahim, Jamaliah

PY - 2019/1/1

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N2 - Stainless steel (SS) has been reported as a suitable electrode material for the growth of electrochemically active biofilm whether it is for a microbial fuel cell (MFC) or microbial electrolysis cell (MEC) in the bioelectrochemical system. Although the flame oxidation technique could improve SS property as electrodes, it comes with an increased risk of corrosion. The undesirable corrosion may cause the release of a toxic element such as chromium. At present, mitigation actions have been identified such as connecting iron to a sacrificial metal in a mechanism known as galvanic corrosion protection (GCP). An external power source could be used as an alternative to supply current similar to the sacrificial metal, which technique applied in MEC. In this review, the electron flow mechanisms between microbiologically influenced corrosion (MIC) and MEC biocathode will be addressed. Thus, it proposes a hypothesis of SS protection from corrosion in a similar way as in the GCP.

AB - Stainless steel (SS) has been reported as a suitable electrode material for the growth of electrochemically active biofilm whether it is for a microbial fuel cell (MFC) or microbial electrolysis cell (MEC) in the bioelectrochemical system. Although the flame oxidation technique could improve SS property as electrodes, it comes with an increased risk of corrosion. The undesirable corrosion may cause the release of a toxic element such as chromium. At present, mitigation actions have been identified such as connecting iron to a sacrificial metal in a mechanism known as galvanic corrosion protection (GCP). An external power source could be used as an alternative to supply current similar to the sacrificial metal, which technique applied in MEC. In this review, the electron flow mechanisms between microbiologically influenced corrosion (MIC) and MEC biocathode will be addressed. Thus, it proposes a hypothesis of SS protection from corrosion in a similar way as in the GCP.

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