Investigation into adhesive bonding and welding procedures for application to coated plastic media lines in electrolysers
Authors: M. Sc. Patricia Fatherazi, M. Sc. Maximilian Heym, M. Sc. Jonas Franke, M. Sc. Petar Peric, Dr.-Ing. Alexander Schiebahn, Dr. Kai Fischer, Prof. Dr.-Ing. Uwe Reisgen, Prof. Dr. rer. nat. Rainer Dahlmann, Prof. Dr.-Ing. Christian Hopmann
DOI: https://doi.org/10.53192/JP20250138
The need for hydrogen as an energy storage medium is increasing constantly. For this purpose, electrical energy can be made transportable and storable by means of electrolysis, storage and reconversion into electricity in the fuel cell. According to the current state of the art, the pipe systems used in fuel cells or electrolysers are mostly fabricated from high-grade steel. The utilisation of joined plastic pipes as an alternative material offers the potential to save not only on costsand complicated fabrication steps but also on weight in the transport of components and installations. In this publication, a diffusion barrier is applied in the form of a plasma-polymerised, amorphous hydrocarbon coating and investigations are conducted into its effect on the oxygen transmission rate (OTR). Plastic pipe specimens designed for hydrogen-specific utilisation are joined using welding and adhesive bonding procedures and are investigated.
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