HyWay2Cell
Cell performance and size, a way to reduce hydrogen cost
Project area
Resource procurement (Input)
Fuel production
Refining and upgrading
Storage
Transport
Distribution
Utilisation
Post-treatment and recycling
Safety and standardisation
Systems integration / sector coupling
Community work and stakeholder involvement
Structural frameworks, regulation, and markets
All projects in the MissionGreenFuels project portfolio contribute to the green transition across the green fuels value chain and cross-cutting themes. The highlighted icons indicate the area this project contributes to. Click on the icons to lean more.
Project description
HyWay2Cell addresses one of the key barriers to green fuel production: the high cost and limited manufacturing scale of hydrogen electrolysers. The project develops and demonstrates a new generation of solid oxide electrolysis cells (SOECs) that can double hydrogen production per cell while enabling a ninefold increase in cell size through innovative manufacturing technologies. These advances are expected to reduce electrolyser system costs by up to 55% and significantly lower material consumption. By making high-efficiency hydrogen production more affordable and scalable, the project strengthens the European SOEC value chain and supports MissionGreenFuels’ Northern Star by accelerating the transition to cost-competitive green fuels for aviation and maritime transport.
Project facts
Project start
June 2026
Project status
Funding pool
Inflection point
Value chain and theme
Project objectives
1. Double Hydrogen Production per Cell
Develop and demonstrate a novel high-performance solid oxide electrolysis cell (SOEC) capable of producing twice as much hydrogen as current state-of-the-art fuel electrode supported cells. The objective is to significantly increase electrolyser output without compromising durability or operational lifetime, thereby reducing the amount of stack material required per unit of hydrogen produced.
2. Scale Up Cell Size for Lower System Costs
Increase the active cell area to approximately 900 cm², more than nine times larger than conventional SOEC cells. Larger cells enable larger stacks, reduce the number of system components, and simplify balance-of-plant design, resulting in substantial cost reductions at both stack and system level.
3. Develop Advanced Manufacturing Technologies
Develop and validate innovative production methods that enable large-scale, cost-effective manufacturing of next-generation SOECs. This includes slot-die coating, the patented ReScale process for large ceramic cells, and field-assisted sintering techniques (FAST) to improve production efficiency and quality.
4. Reduce Electrolyser Cost and Material Consumption
Combine higher cell performance and larger cell formats to achieve significant reductions in electrolyser costs. The project targets system-level cost reductions of up to 55% while lowering material consumption and resource use throughout the value chain.
5. Increase Industrial Production Capacity
Enable SOEC manufacturers and system integrators to expand production capacity through higher-performing cells and scalable manufacturing methods. The innovations have the potential to double annual SOEC manufacturing output and accelerate deployment of green hydrogen technologies.
6. Strengthen the European SOEC Value Chain
Create new knowledge, manufacturing capabilities, and intellectual property within Denmark and Europe. The project aims to maintain and strengthen Europe’s technological leadership in high-efficiency electrolysis while increasing competitiveness in a rapidly growing global market.
7. Demonstrate Large-Scale Cell Integration
Design and build a dedicated test platform capable of validating large-area SOEC cells under realistic operating conditions. This demonstration will provide critical evidence of technical feasibility and readiness for industrial implementation.
8. Support Cost-Competitive Green Fuels
Contribute to the green fuel transition by making hydrogen production more affordable and scalable. Since SOEC technology is particularly well suited for the production of e-fuels for aviation and maritime transport, the project directly supports MissionGreenFuels’ Northern Star and the pathway towards cost-competitive Power-to-X fuels.
9. Share Knowledge Across the MissionGreenFuels Partnership
Actively disseminate project results and engage with other MissionGreenFuels projects through workshops and collaboration activities. This will ensure that the technological advances can be incorporated into energy system analyses, business cases, and future roadmap development across the green fuels ecosystem.
Project partners
Impact & outcome
HyWay2Cell will deliver a validated next-generation SOEC cell technology capable of producing up to twice as much hydrogen as current state-of-the-art cells while maintaining long-term stability and performance. The project will also demonstrate large-area SOEC cells of approximately 900 cm², enabled by novel manufacturing technologies including slot-die coating, ReScale processing, and field-assisted sintering. Together, these developments will be validated through cell and stack-level testing, generating critical performance, durability, manufacturability, and scale-up data.
The project will produce new scientific and technical knowledge on high-performance electrode architectures, advanced ceramic processing, and industrial-scale SOEC manufacturing. The resulting datasets, process know-how, and demonstration results will strengthen the technological foundation for future SOEC development and deployment.
From a commercial perspective, the project is expected to demonstrate a pathway towards electrolyser system cost reductions of up to 55% and significantly lower material consumption. These improvements will increase manufacturing throughput, improve competitiveness of European SOEC suppliers, and support the scale-up of electrolyser production capacity. The technologies developed in the project have strong commercialisation potential through implementation by established SOEC manufacturers and system integrators.
The project will also provide valuable insights for energy system modelling, business case development, and strategic planning within the MissionGreenFuels partnership. By lowering the cost of green hydrogen production, the project supports the deployment of cost-competitive Power-to-X fuels and contributes to the long-term decarbonisation of hard-to-abate sectors such as aviation and maritime transport. In doing so, HyWay2Cell strengthens the European green fuel value chain and supports MissionGreenFuels’ Northern Star of accelerating the transition to sustainable fuels at scale.
Mission fit
HyWay2Cell strengthens the hydrogen production part of the Power-to-X value chain by addressing one of the key barriers to large-scale green fuel deployment: the cost of electrolysis. Building on results from the previous MissionGreenFuels project COMPAS, the project develops high-performance SOEC technology and scalable manufacturing solutions that can significantly reduce electrolyser costs and increase production capacity. The results will provide valuable input to other MissionGreenFuels projects working on energy system analysis, infrastructure, markets, and life-cycle assessment, enabling them to assess the impact of lower-cost hydrogen on future green fuel pathways. By strengthening Danish and European SOEC technology leadership and creating new industrial capabilities and IP, the project supports the competitiveness of the Danish green fuel ecosystem and accelerates the transition to sustainable fuels for aviation, maritime transport, and industry.
