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Photoelectrochemical water splitting: an idea heading towards obsolescence?
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.ORCID iD: 0000-0002-4317-2879
2018 (English)In: Energy & Environmental Science, ISSN 1754-5692, E-ISSN 1754-5706, Vol. 11, no 8, p. 1977-1979Article, review/survey (Refereed) Published
Abstract [en]

The production of hydrogen from water and sunlight is a way to address the intermittency in renewable energy production, while simultaneously generating a versatile fuel and a valuable chemical feedstock. Photoelectrochemical water splitting is one possible approach to accomplish this that has been researched since the early seventies. It has for a long time held the promise of having the potential to become the best, cheapest, and most efficient way to convert solar energy into chemical energy in the form of hydrogen, but in this paper, I argue that the time window where this could have happened has now come to an end. With the rapid development of both PV-technology and earth-abundant electrocatalysis, it will be tremendously difficult, even in the best-case scenario, for a classical photoelectrochemical water splitting device to compete with what PV-driven electrolysers can already do today. This is an insight that should influence the future of solar fuel research.

Place, publisher, year, edition, pages
ROYAL SOC CHEMISTRY , 2018. Vol. 11, no 8, p. 1977-1979
National Category
Energy Engineering Energy Systems
Identifiers
URN: urn:nbn:se:uu:diva-364739DOI: 10.1039/c8ee00772aISI: 000442262900003OAI: oai:DiVA.org:uu-364739DiVA, id: diva2:1260070
Available from: 2018-11-01 Created: 2018-11-01 Last updated: 2019-02-18Bibliographically approved

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Jacobsson, Jesper

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