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Climatic response of thermally coupled solar water splitting in Antarctica

  • Hydrogen is a versatile energy carrier. When produced with renewable energy by water splitting, it is a carbon neutral alternative to fossil fuels. The industrialization process of this technology is currently dominated by electrolyzers powered by solar or wind energy. For small scale applications, however, more integrated device designs for water splitting using solar energy might optimize hydrogen production due to lower balance of system costs and a smarter thermal management. Such devices offer the opportunity to thermally couple the solar cell and the electrochemical compartment. In this way, heat losses in the absorber can be turned into an efficiency boost for the device via simultaneously enhancing the catalytic performance of the water splitting reactions, cooling the absorber, and decreasing the ohmic losses.[1,2] However,integrated devices (sometimes also referred to as “artificial leaves”), currently suffer from a lower technology readiness level (TRL) than the completely decoupled approach.

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Document Type:Conference Object
Author:Moritz Kölbach, Oliver Höhn, James Barry, Manuel Finkbeiner, Kira Rehfeld, Matthias M. May
Parent Title (English):EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022
Article Number:11608
First Page:11608
Publisher:Copernicus GmbH
Publishing Institution:Hochschule Bonn-Rhein-Sieg
Date of first publication:2022/03/28
Copyright:© Author(s) 2022. This work is distributed under the Creative Commons Attribution 4.0 License.
Departments, institutes and facilities:Internationales Zentrum für Nachhaltige Entwicklung (IZNE)
Dewey Decimal Classification (DDC):5 Naturwissenschaften und Mathematik / 55 Geowissenschaften, Geologie / 551 Geologie, Hydrologie, Meteorologie
Entry in this database:2022/04/22
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International