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LOHC OneReactor system (5 KW hydrogenation / 5 kW dehydrogenation power)

The HI ERN research unit of Prof. Wasserscheid has jointly developed with the FAU spin-off company Hydrogenious Technologies GmbH the world’s first fully operational LOHC OneReactor energy storage system. The system has been built by Hydrogenious Technologies and has been delivered in 12/2016 to HI ERN. The system realizes hydrogen storage and release in the same reactor, thus improving significantly heat management and system dynamics of the entire energy storage process and reducing greatly specific investment cost.
In our current research using this OneReactor system at HI ERN we develop and test optimized catalyst systems for LOHC hydrogenation/dehydrogenation with a maximum of volumetric productivity and a minimum of LOHC degradation. Moreover, we identify and evaluate the most efficient operational strategies for the OneReactor in two different application scenarios: a) Off-grid energy storage, and b) energy storage in interplay with different heat storage technologies. Here, we investigate to which extent the heat from the exothermic hydrogen-loading process can be used for the endothermic hydrogen-release process in stationary applications if appropriate heat storage systems are applied.

LOHC OneReactor system

Further equipment

  • High-pressure high-temperature batch autoclave for LOHC hydrogenation / dehydrogenation experiments
  • Laboratory plant for continuous dehydrogenation experiments e.g. catalyst screening and kinetic measurements
  • Fuel cell setup for testing different organic substances as fuels
  • Analysis of gaseous substances:

    • Gas chromatography for trace analysis of carbon monoxide, carbon dioxide, low boiling aromatic compounds and hydrocarbons in hydrogen
    • On-line FTIR spectroscopy for hydrogen purity analysis
  • Analysis of liquid substances:

    • Gas chromatography for stability studies of organic hydrogen carrier substances
    • DART-MS

Team

Recent Publications

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Operational Stability of a LOHC-Based Hot Pressure Swing Reactor for Hydrogen Storage
Energy technology 7(1), 146 - 152 () [10.1002/ente.201800499]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Mechanism of the Water-Gas Shift Reaction Catalyzed by Efficient Ruthenium-Based Catalysts: A Computational and Experimental Study
Angewandte Chemie / International edition International edition 58(3), 741 - 745 () [10.1002/anie.201811627]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Surface behavior of low-temperature molten salt mixtures during the transition from liquid to solid
Journal of molecular liquids 275, 290 - 296 () [10.1016/j.molliq.2018.11.056] OpenAccess  Download fulltext Files  Download fulltextFulltext by OpenAccess repository BibTeX | EndNote: XML, Text | RIS

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Homogeneously-catalysed hydrogen release/storage using the 2-methylindole/2-methylindoline LOHC system in molten salt-organic biphasic reaction systems
Chemical communications 55(14), 2046 - 2049 () [10.1039/C8CC09883B]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Charging a Liquid Organic Hydrogen Carrier with Wet Hydrogen from Electrolysis
ACS sustainable chemistry & engineering 7(4), 4186 - 4194 () [10.1021/acssuschemeng.8b05778]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Acrylic Acid Synthesis from Lactide in a Continuous Liquid-Phase Process
ACS sustainable chemistry & engineering 7(7), 7140 - 7147 () [10.1021/acssuschemeng.8b06538]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Operando DRIFTS and DFT Study of Propane Dehydrogenation over Solid- and Liquid-Supported Ga x Pt y Catalysts
ACS catalysis 9(4), 2842 - 2853 () [10.1021/acscatal.8b04578]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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The Prospect of Hydrogen Storage Using Liquid Organic Hydrogen Carriers
Energy & fuels 33(4), 2778 - 2796 () [10.1021/acs.energyfuels.9b00296]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Development of a Structured Reactor System for CO 2 Methanation under Dynamic Operating Conditions
Energy technology 7(6), 1900047 () [10.1002/ente.201900047]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Boosting the activity of hydrogen release from liquid organic hydrogen carrier systems by sulfur-additives to Pt on alumina catalysts
Catalysis science & technology 9(13), 3537 - 3547 () [10.1039/C9CY00817A]  Download fulltext Files BibTeX | EndNote: XML, Text | RIS