- Tipo NewsRICERCA PARTNER
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A German research institute and at least one more partner from Germany want to form a consortium to submit a project to Call HORIZON-JU-CLEANH2-2025-01-01. International partners, including a coordinator, are sought.
Reducing the cost of PEM water electrolyzers is crucial for making green hydrogen economically viable. This can be achieved by cheaper catalysts as well as bipolar plates. Recent studies have shown that uncoated carbon bipolar plates (C-BPs) are an alternative to titanium bipolar plates (Ti-BPs). While C-BPs showed higher corrosion rates in accelerated ex-situ tests, they demonstrated low degradation rates and stability during long-term operation in a Proton Exchange Membrane Electrolyzer. The findings suggest that C-BPs could be a cost-effective option for electrolyzers, challenging previous expectations about their corrosion behavior.
A German institute for applied research aims to industrialize the production of PEM electrolyzers. It focuses on optimizing manufacturing processes and equipment to mass-produce electrolyzers and their components, particularly by developing production methods for electrolyzer stacks. In a recent project it has explored cost-effective solutions, including the use of thermoplastic cell components, to simplify and reduce the cost of manufacturing while ensuring high efficiency for large-scale hydrogen production.
In this context, it has developed a bipolar plate made of thermoplastic & graphite compounds and weldable membrane-electrode assemblies that allow for the development of welded electrolyser stacks. The stack design is to be manufactured exclusively from thermoplastic cell components (bipolar foils, frame elements, membrane electrode unit) and using conventional joining processes (laser or ultrasonic welding). This means that hundreds of sealing surfaces in the electrolysis stack can be replaced by robust weld seams, facilitating the mass production of electrolyser cells.
The goal is to bring the technology to TRL 6 by submitting a proposal to Call HORIZON-JU-CLEANH2-2025-01-01. The goal of the project is to develop seal-less proton-exchange-membrane (PEM) water electrolysers.
Codice di riferimento della ricerca partner: RDRDE20250305018
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