Journal
SUSTAINABLE ENERGY & FUELS
Volume 3, Issue 9, Pages 2399-2408Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9se00333a
Keywords
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Funding
- LEaDing Fellowship grant from the European Union's Horizon 2020 research and Innovation Programme under the Marie Sklodowska-Curie grant [707404]
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In recent years, solar redox flow batteries have attracted attention as a possible integrated technology for simultaneous conversion and storage of solar energy. Unlike solar water splitting technologies which require at least 1.8 V for meaningful performance, a lesson learned from previous studies on solar redox flow batteries (SRFBs) is that even single-photon devices can demonstrate unbiased photo-charging owing to the flexibility of redox couple selection. Thus, in this paper, we present a theoretical model reflecting experimental parameters, such that we can highlight important parameters that merit the most attention in further studies towards the practical development of SRFBs. Importantly, the results clearly show how to choose an optimum combination of semiconductors and redox couples under unavoidable conditions that a practical system would encounter, including, but not limited to, optical loss by the electrolyte, overpotential, device architecture and chemical potentials.
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