Charge-discharge performance of a novel undivided redox flow battery for renewable energy storage

Mohammed Harun Chakrabarti, Edward Pelham Lindfield Roberts, Muhammad Saleem

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The redox flow battery is ideal for utility-scale renewable energy storage applications. In this work, a novel undivided battery employing porous flow through electrodes is investigated. Because of low charge-discharge efficiencies reported in previous work employing high superficial electrolyte velocities and current densities, three electrolyte systems are investigated here at two concentrations (0.02 and 0.1 M) employing low-current densities and superficial velocities: [Ru(acac)3] in acetonitrile, [Fe(bpy) 3(ClO4)2] in acetonitrile, and VOSO4 in aqueous sulphuric acid (all-vanadium system). The highest energy efficiencies are obtained with the all-vanadium system: 13.4% for 0.02 M electrolyte and 12.0% for 0.1 M electrolyte. Copyright © 2010 Taylor & Francis Group, LLC.
    Original languageEnglish
    Pages (from-to)445-460
    Number of pages15
    JournalInternational Journal of Green Energy
    Volume7
    Issue number4
    DOIs
    Publication statusPublished - Jul 2010

    Keywords

    • Charge-discharge
    • Redox flow battery
    • Renewable energy
    • Undivided
    • Vanadium

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