All-vanadium dual circuit redox flow battery for renewable hydrogen generation and desulfurisation

Peljo, Pekka and Vrubel, Heron and Amstutz, Veronique and Pandard, Justine and Morgado, Joana and Santasalo-Aarnio, Annukka and Lloyd, David and Gumy, Frederic and Dennison, C. R. and Toghill, Kathryn Ellen and Girault, Hubert H. (2016) All-vanadium dual circuit redox flow battery for renewable hydrogen generation and desulfurisation. Green Chemistry, 18 (6). pp. 1785-1797. ISSN 1463-9262

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Abstract

An all-vanadium dual circuit redox flow battery is an electrochemical energy storage system able to function as a conventional battery, but also to produce hydrogen and perform desulfurization when a surplus of electricity is available by chemical discharge of the battery electrolytes. The hydrogen reactor chemically discharging the negative electrolyte has been designed and scaled up to kW scale, while different options to discharge the positive electrolyte have been evaluated, including oxidation of hydrazine, SO2 and H2S. The system is well suited to convert sulfur dioxide and hydrogen sulfide to harmless compounds while producing hydrogen, with overall system efficiencies from 50 to 70% for hydrogen production.

Item Type:
Journal Article
Journal or Publication Title:
Green Chemistry
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300/2310
Subjects:
ID Code:
78282
Deposited By:
Deposited On:
19 May 2016 08:44
Refereed?:
Yes
Published?:
Published
Last Modified:
09 Sep 2020 03:09