Dynamic power supply by hydrogen bound to a liquid organic hydrogen carrier

André Fikrt, Richard Brehmer, Vito-Oronzo Milella, Karsten Müller, Andreas Bösmann, Patrick Preuster, Nicolas Alt, Eberhard Schlücker, Peter Wasserscheid and Wolfgang Arlt

Applied Energy, 2017, vol. 194, issue C, 8 pages

Abstract: Liquid Organic Hydrogen Carriers (LOHCs) are able to store hydrogen in a dense and safe form at ambient conditions. While storage of electrical energy in these carrier systems is one possible and attractive application, the dynamics of the load profile has been believed to represent a major challenge for this storage technology. Conversely, we report here that storage systems based on the LOHC technology are indeed able to deal with significant variations in power demand. This is due to the significant free volume in the LOHC release unit offering the opportunity to handle dynamic behavior by pressure changes. While pressure changes allow quick adaption of the power release on demand, changes in the reactor temperature lead to slow modification of the power output, as demonstrated in this work for hydrogen release from perhydro-dibenzyltoluene (H18-DBT).

Keywords: Hydrogen storage; LOHC; Organic hydrides; Dynamic power supply; Dehydrogenation; Fuel cell (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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DOI: 10.1016/j.apenergy.2017.02.070

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