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Stainless Steel-Based Materials for Energy Generation and Storage in Bioelectrochemical Systems Applications

Lookup NU author(s): Dr Jean-Marie Fontmorin, Dr Shahid Rasul, Professor Eileen Yu

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Abstract

Bioanodes were developed on stainless steel (SS)-based materials for energy generation and storage in bioelectrochemical systems (BES). Bioanode performances were studied in half-cells at poised potential of -0.2 V vs Ag/AgCl. Flame oxidised SS (FO-SS), reduced graphene oxide SS (rGO-SS), magnetite SS (Mag-SS) and Mag-FO-SS achieved current densities of 0.78 mA cm-2, 0.72, 0.54 and 0.45 mA cm-2, respectively. Modified SS material showed improved start-up time and biocompatibility compared to unmodified SS. In addition, in charge/discharge mode, Mag-SS and Mag-FO-SS showed promising results for energy storage, as they led to an increase of the current densities measured by respectively 24.5 ± 0.6% and 57.5 ± 7.9% compared to these recorded during the chronoamperometry experiments. This indicates that stainless steel based materials are promising anode materials for scale-up bioelectrochemical systems.

Publication metadata

Author(s): Fontmorin J-M, Hou J, Rasul S, Yu E

Publication type: Article

Publication status: Published

Journal: ECS Transactions

Year: 2019

Volume: 85

Issue: 13

Pages: 1181-1192

Online publication date: 13/05/2018

Acceptance date: 13/05/2018

ISSN (print): 1938-6737

ISSN (electronic): 1938-5862

Publisher: The Electrochemical Society

URL: https://doi.org/10.1149/08513.1181ecst

DOI: 10.1149/08513.1181ecst

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