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Issue 9, 2019
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Unravelling the practical solar charging performance limits of redox flow batteries based on a single photon device system

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Abstract

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.

Graphical abstract: Unravelling the practical solar charging performance limits of redox flow batteries based on a single photon device system

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Supplementary files

Article information


Submitted
29 May 2019
Accepted
03 Jul 2019
First published
05 Jul 2019

This article is Open Access

Sustainable Energy Fuels, 2019,3, 2399-2408
Article type
Paper

Unravelling the practical solar charging performance limits of redox flow batteries based on a single photon device system

D. Bae, G. M. Faasse, G. Kanellos and W. A. Smith, Sustainable Energy Fuels, 2019, 3, 2399
DOI: 10.1039/C9SE00333A

This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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