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HIDRURA
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Context

The European Commission has launched the RePowerEU plan, an ambitious project aimed at producing 10 million tonnes of renewable hydrogen within Europe by 2030, complemented by an additional 10 million tonnes of imported hydrogen. This joint effort positions hydrogen as a key player in the transition towards a sustainable economy, essential for achieving at least a 55% reduction in greenhouse gas emissions by 2030 and reaching net-zero emissions by 2050.

To meet these targets, approximately 100 GW of electrolysis capacity will need to be installed across Europe over the next decade.

From the perspective of hydrogen production, a fundamental pillar of this technology, it is crucial to develop innovative solutions that significantly reduce production costs, optimise the use of critical materials, and enhance process efficiency.

Challenge

HIDRURA will develop key components for three innovative technologies for green hydrogen production. Each of these technologies presents both advantages and technical challenges to consider:

1
Seawater Electrolysis:
The use of seawater in electrolysis poses a challenge due to its properties. However, this technology offers an innovative solution that reduces costs by avoiding the use of potable water while also promoting a more efficient, economical, and sustainable process.
2
Decoupled Electrolysis:
The production of H₂ and O₂ separately in time and space through the use of a redox electrode.
3
Biogas Pyrolysis:
The design and optimisation of the reaction system in biogas pyrolysis, including the analysis of the quality of the hydrogen and carbon produced.
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Expected results

  • 1Seawater Electrolysis
    • Develop and evaluate key components with improved properties (activity, selectivity, durability, and corrosion resistance).
    • Integrate these components into AEM-type seawater electrolysis cells by assembling membrane-electrode assemblies (MEA) to assess their performance.
    • Develop a computational model for this type of electrolyser.
  • 2Decoupled Electrolysis
    • Higher purity and safety of hydrogen and oxygen through a two-stage process that may include a positive electrode, a negative electrode, a redox intermediate electrode, and a separator.
    • Optimisation of efficiency through power electronics. Each type of power electronics will be analysed, considering component selection, electrical and thermal simulation of the stages, cost calculation, volume and weight of the main components, as well as the advantages and disadvantages of the topology.
  • 3Biogas Pyrolysis
    • Improvement of the biogas pyrolysis process in an advanced reactor for hydrogen production with zero CO₂ emissions; additionally, a valuable carbonaceous by-product is obtained.


  • Additionally, HIDRURA will develop a total of three laboratory-scale prototypes, one prototype for each of the technologies.
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Project partners

These are the entities of the Basque Network of Science, Technology and Innovation that are collaborating on the HIDRURA project.

Advisory Board

It is established as an external advisory body to the project partners, composed of potential clients, experts, or representatives of interest groups related to the project technologies, who are asked to collaborate by analysing the project's progress and providing their opinions and views on its development. These are the companies that are part of the Advisory Board for the HIDRURA project, along with their areas of technological interest.

Seawater Electrolysis ✔ ✔ ✔ ✔   ✔ ✔ ✔
Decoupled Electrolysis ✔ ✔ ✔ ✔   ✔ ✔
Biogas pyrolysis
for H₂ production
✔ ✔ ✔ ✔  

Contact

If you have any questions, do not hesitate to contact us.
We are here to help you.

TECNALIA

Coordinator: Marco Papasizza

Email: marco.papasizza@tecnalia.com

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CLUSTER ENERGIA

Responsible for Communication, Dissemination and Activities: Josune Fernandez

Email: josunefernandez@clusterenergia.com

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Project funded by the Department of Industry, Energy Transition and Sustainability of the Basque Government (ELKARTEK 2024 Programme)

EUSKO JAURLARITZA