LOHC storage system for reconversion into electricity in a hydrogen combustion engine - LOHC4ICE
Seasonal hydrogen storage is to be demonstrated in this project. Renewable PV electricity is stored in the summer by electrolysis into the chemical energy of hydrogen. In winter, the stored energy is reused. The storage of the hydrogen obtained in so-called Liquid Organic Hydrogen Carriers (LOHC) offers various advantages over cryogenic or high-pressure storage in certain applications. The aim of the project is to develop a cost-effective LOHC storage system.
In the subsequent conversion of the hydrogen into electricity, an H2 combustion engine is used instead of the usual fuel cell. This offers the advantage of lower hydrogen purity requirements as well as the possibility of using the extensive engine fleet by converting it for hydrogen operation. The following components, among others, are part of the LOHC system:
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– Electrolyzer for hydrogen production
– Reactor for the hydrogenation of the LOHC benzyltoluene for hydrogen storage
– Reactor for the dehydrogenation of benzyltoluene for hydrogen release
– Hydrogen engine for reconversion to electricity
