Publisher DOI: 10.1002/ente.201700519
Title: Automation of the Storing-In Part of a Hydrogen-Storage System using Liquid Organic Hydrogen Carriers
Language: English
Authors: Milella, Vito Oronzo 
Kölpin, Alexander  
Schluecker, Eberhard 
Keywords: energy conversion;energy storage;hydrogen storage;liquid organic hydrogen carriers;smart grids
Issue Date: 1-Mar-2018
Source: Energy Technology 3 (6): 547-557 (2018-03-01)
Journal or Series Name: Energy technology 
Abstract (english): Accumulating electrical energy in decentralized electrical grids is a demanding task. Preliminary work exists on the charging and discharging of liquid organic hydrogen carriers (LOHCs). These carriers allow the storage of hydrogen by reversible hydrogenation of an aromatic compound. A challenge is that the chemical process has to be conducted within the power-generating infrastructure, and therefore, continuous and fully automated implementation is mandatory. In this work, the fundamentals of controlling and automating LOHC-based energy-storage systems are presented. For this purpose, the identification of the controlled variable is performed before its influence on the reaction dynamics is determined. This results in a fully automated hydrogenation process, whereby the conductibility of the reaction, the performance, and the necessity of applying pressure pulsations to get a stable operation mode are shown. Derived from these results, the investigations help to establish LOHCs as feasible hydrogen carriers, which will be a decisive step to mid- and long-term energy-storage systems suitable to a modern smart-grid infrastructure.
ISSN: 2194-4288
Type: (wissenschaftlicher) Artikel
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