期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 44, 期 26, 页码 13794-13806出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2019.03.220
关键词
SOFC; LOHC; Off-grid energy supply; Future energy systems; Hydrogen storage; Heat integration
资金
- Freestate of Bavaria
- Helmholtz-Institute Erlangen-Nuremberg for Renewable Energies [HI ERN -IEK-11]
In this paper, a kinetic model for the catalytic dehydrogenation of perhydro dibenzyltoluene (H18-DBT), a well-established Liquid Organic Hydrogen Carrier (LOHC) compound, is presented. Kinetic parameters for hydrogen release at a Pt on alumina catalyst in a temperature range between 260 degrees C and 310 degrees C are presented. A Solid Oxide Fuel Cell (SOFC) system model was coupled to the hydrogen release from H18-DBT in order to validate the full sequence of LOHC-bound hydrogen-to-electric power. A system layout is described and investigated according to its transient operating behavior and its efficiency. We demonstrate that the maximum efficiency of LOHC-bound hydrogen-to-electricity is 45% at full load, avoiding any critical conditions for the system components. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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