Description du projet
Un électrolyseur MEP à haute pression et à faible coût stimule la production d’hydrogène vert
L’hydrogène vert, produit par électrolyse, pourrait devenir un vecteur énergétique clé pour l’intégration des énergies renouvelables dans les secteurs de l’énergie et des transports. Le projet PRETZEL, financé par l’UE, vise à développer un système d’électrolyse à membrane échangeuse de protons (MEP) de 25 kW. Ce système innovant, qui peut atteindre une pression différentielle de 100 bars, améliorera considérablement les problèmes d’efficacité, de coût et de durabilité qui limitent actuellement l’électrolyse MEP à grande échelle. L’électrolyseur devrait fonctionner entre 4 et 6 Acm^(-2) et 90 °C avec un rendement sans précédent de 70 % pendant plus de 2 000 heures. L’utilisation de revêtements en métaux non précieux et de supports catalytiques en aérogels céramiques avancés permettra de réduire les coûts d’investissement. L’hydrogène produit par le générateur d’hydrogène à haute pression sera utilisé dans les stations d’essai de piles à combustible.
Objectif
Green hydrogen produced by electrolysis might become a key energy carrier for the implementation of renewable energy as a cross-sectional connection between the energy sector, industry and mobility. Proton exchange membrane (PEM) electrolysis is the preferred technology for this purpose, yet large facilities can hardly achieve FCH-JU key performance indicators (KPI) in terms of cost, efficiency, lifetime and operability. Consequently, a game changer in the technology is necessary. PRETZEL consortium will develop a 25 kW PEM electrolyzer system based on a patented innovative cell concept that is potentially capable of reaching 100 bar differential pressure. The electrolyzer will dynamically operate between 4 and 6 A cm^(-2) and 90 °C achieving an unprecedented efficiency of 70%. This performance will be maintained for more than 2000 h of operation. Moreover, the capital cost of stack components will be largely reduced by the use of non-precious metal coatings and advanced ceramic aerogel catalyst supports. Likewise, the system balance of plant (BoP) will be optimized for cost reduction and reliability. The high pressure hydrogen generator will become part of the product portfolio of a German manufacturer but at the end of PREZEL, this company will establish a supply business partnership and R&D collaboration with France, Spain, Greece and Rumania, strengthening and consolidating cooperation among EU states with contrasting economies. Lastly, the hydrogen produced by the PEM electrolyzer will not be wasted, but rather used for feeding the fuel cell test stations in one of the partner’s laboratory.
Champ scientifique
- natural scienceschemical scienceselectrochemistryelectrolysis
- natural scienceschemical sciencesinorganic chemistrytransition metals
- engineering and technologyenvironmental engineeringmining and mineral processing
- engineering and technologymaterials engineeringcoating and films
- engineering and technologyenvironmental engineeringenergy and fuelsfuel cells
Programme(s)
- H2020-EU.3.3. - SOCIETAL CHALLENGES - Secure, clean and efficient energy Main Programme
- H2020-EU.3.3.8.2. - Increase the energy efficiency of production of hydrogen mainly from water electrolysis and renewable sources while reducing operating and capital costs, so that the combined system of the hydrogen production and the conversion using the fuel cell system can compete with the alternatives for electricity production available on the market
- H2020-EU.3.3.8.1. - Increase the electrical efficiency and the durability of the different fuel cells used for power production to levels which can compete with conventional technologies, while reducing costs
Régime de financement
FCH2-RIA - Research and Innovation actionCoordinateur
51147 Koln
Allemagne