Expected Outcome:Clean hydrogen is expected to play a critical role in Europe’s decarbonisation objectives and electrolysers, which produce hydrogen from water and electricity, are a key enabler for Europe to meet its net-zero targets. Given this, it is vital to increase the amount of electrolysis capacity produced annually through scale-up of material, components, and stack manufacture.
Providing sufficient electrolyser capacity to meet the needs of the energy transition requires a rapid and efficient scale up of stacks (and component) production capacity. This will require electrolyser components and material manufacturers to transition to large-scale production featuring increased automation, or novel technologies. Optimisation and upscaling of manufacturing processes is required to increase production yields and improve cost-effectiveness. At the same time, new materials, components, and stack designs for improved efficiencies and reduced environmental impact must be produced in sufficient quantities to meet the growing needs of clean hydrogen production facilities.
Project results are expected to contribute to all of the following outcomes:
Expected Outcome:Clean hydrogen is expected to play a critical role in Europe’s decarbonisation objectives and electrolysers, which produce hydrogen from water and electricity, are a key enabler for Europe to meet its net-zero targets. Given this, it is vital to increase the amount of electrolysis capacity produced annually through scale-up of material, components, and stack manufacture.
Providing sufficient electrolyser capacity to meet the needs of the energy transition requires a rapid and efficient scale up of stacks (and component) production capacity. This will require electrolyser components and material manufacturers to transition to large-scale production featuring increased automation, or novel technologies. Optimisation and upscaling of manufacturing processes is required to increase production yields and improve cost-effectiveness. At the same time, new materials, components, and stack designs for improved efficiencies and reduced environmental impact must be produced in sufficient quantities to meet the growing needs of clean hydrogen production facilities.
Project results are expected to contribute to all of the following outcomes:
Maintain European leadership in electrolyser production and strengthen the European value chain through the ability to deliver high-quality stacks;Employ sustainable-by-design and/or design for recycling methods to improve circularity;Minimise the life-cycle impact of materials, component, or electrolyser manufacture through waste (e.g scrap or consumables);Increase production rates whilst reducing manufacturing costs for materials, components or stacks through manufacturing process development, considering learnings from other industrial sectors such as fuel cells, batteries, etc;Contribute to CAPEX reductions of water electrolysis systems through economies of scale and reduced waste;Contribute to creating a viable business case for clean hydrogen production and use, through delivery of more affordable, higher-quality systems with improved lifetimes;Improve the cost-effectiveness, efficiency, reliability, quantity and quality of clean hydrogen production through improved manufacturing processes and scale-up of material, component, or stack production or the component or stack active area;Contribute to the creation of high-value manufacturing and supply chain jobs; Project results are expected to contribute to the following objectives and 2030 KPIs of the Clean Hydrogen JU SRIA:
Technologies should have efficiencies at nominal capacity comparable to those in the 2030 SRIA: AEL 48kWh/kgPEMEL 48kWh/kgSOEL 37kWh/kgAEMEL 48kWh/kg Technologies not mentioned in the 2030 SRIA should provide similar, suitable KPIs in line with current state of the art
Capital Cost 2030 KPIs for the relevant technologies: AEL 800 €/(kg/d)PEMEL 1000 €/(kg/d)SOEL 800 €/(kg/d)AEMEL 600 €/(kg/d) Demonstration of a Takt time for material, component, and stack production, which will enable Europe to meet its hydrogen production markets;Contribute to the achievement of manufacturing KPIs including: Manufacturing part yields of >98%, defined as 1-rejected parts / produced parts;Manufacturing material yield >80%, defined as (material used in stacks*yield)/amount of material;FAT failure rates linked to stacks of <10%, defined as (Number of FAT failures / Total number of FAT events). Technologies not mentioned in the 2030 SRIA should provide suitable KPIs in line with current state of the art.
Scope:The scope of this topic is the development and demonstration of manufacturing processes which are suitable for scale-up and which can contribute to meeting predicted annual clean hydrogen production requirements. Considering manufacturing scale-up of new materials, the proposal should provide sufficient information to show that these materials have been proven to work at an appropriate scale.
Proposals should consider and build on relevant existing work in this area and results from projects related to the manufacturing and scaling- up of electrolysis systems including projects funded by the Clean Hydrogen JU such as AMPS[1], DJEWELS[2], HERAQCLES[3], MULTIPLHY[4], NEPTUNE[5], OUTFOX[6], PilotSOEL[7], REFHYNE[8] and SUSTAINCELL[9], clean-tech manufacturing projects supported by the Innovation Fund such as [ARA(HJ1] [CP2] TopSOEC[10], HyNCREASE[11] and GIGA-SCALES[12], national funded projects such as ELYAS[13], and Open Innovation Test Beds projects supported by Horizon Europe such as H2Shift[14] and CLEANHYPRO[15]. In addition synergies with the Made in Europe partnership[16] and the Zero-Defect Manufacturing Platform[17] should be explored. Successful projects are also expected to review the state of the art during their implementation and to identify additional synergies with these and other ongoing relevant projects.
Proposals should develop solutions to address material and manufacturing bottlenecks including component supply, manufacturing processes, and end-of-line testing. Technologies to be developed should lead to increased manufacturing throughput and/or yield. Research and Development (R&D) activities should be included, for example, design for manufacture, additive manufacture, improved handling methods, automation and in-line quality control. The developed technologies may be capable of processing several types of material or be used for the manufacture of more than one type of electrolyser system.
Proposals should include relevant baseline information relating to techno-economics and the environmental / life cycle impacts of the current state of the art for the processes being considered. They should also provide a quantified description of the expected improvements.
Proposals should include validation of the developed technologies in an industrial environment on an OEM-relevant stack, i.e. TRL5/6 and MRL5 depending on the electrolyser technology and on the current TRL/MRL of the process. Proposals should state the capacity of their demonstrator and justify the way in which the equipment and stack size used for validation demonstrates manufacturing capacity sufficient for production of sufficient electrolyser manufacturing capacity to allow Europe to meet its hydrogen production targets using high-quality components.
Validation consists of demonstration of increased throughput or yield of the material, component, or stack without reduction in quality. For example, in-line inspection may increase the number of flaws detected so a link could be made between defect type/severity and its impact on quality to determine critical defect types.
The project outputs should include validation of increased manufacturing capability in a relevant environment and include life-cycle analysis, waste management/recycling potential and a techno-economic report describing the expected throughputs, yields, defect rate and costs when implemented in a manufacturing facility.
The inclusion of consortium partner(s) relevant to the electrolyser stack manufacturing value chain is considered beneficial.
The following aspects are to be addressed in the scope of the project:
Further develop and optimise industrially relevant, scalable manufacturing processes to increase production rate while reducing cost for materials, components or stacks, or a combination of these. Examples of potential innovations include: Design for manufacture techniques applied to material, components, or stacks for high volume manufacture;Increased automation to improve throughput, tighten tolerances and reduce scrap;Streamlined manufacturing processes to remove non-value-added steps and reduce waste;Use of Artificial Intelligence (AI) / machine learning for scalability of processes; Develop quality control tools (preferably in-line) to increase production yield and decrease scrap rates. Increased detection of defects should be considered and for example, machine learning could be used to link defects to material, component, or stack quality and avoid increased scrap. Development of statistical sample-testing methods could also be considered;Apply Design for Sustainability principles to improve the environmental and end-of-life impact of electrolyser manufacture to maximise the potential of recycling processes to recover CRMs and other materials and investigation of material or component recycling when considering rejected items and dismantled stacks. Recycling development is out of scope of this topic;Provide an industrially relevant baseline and relevant KPIs for each technology and describe the quantified expected improvements;Validate novel processing solutions in an industrially relevant environment and demonstrate operation and reliable scalability with respect to cost, performance and durability KPIs. Quantify expected scrap and recall rates to reflect the true cost to the end-user. This topic is focused on manufacturing technologies and concepts that will facilitate production scale-up rather than on new materials. It is particularly relevant to original equipment manufacturers (OEMs), component suppliers and integrators, although support from research and technology organisations (RTOs) developing innovative manufacturing technologies is welcome. Projects and processes should be relevant to electrolyser-manufacturing OEMs and should consider future demand when considering novel manufacturing processes.
Proposals should include manufacturing scale-up of materials and components in the supply chain as well as of electrolysers; proposers should clearly explain the importance of the components, materials, or stacks which are the focus of their project in terms of increased electrolyser production and deployment.
Scale-up can include:
Production of an increased number of stacks, components or materials;The development of manufacturing processes for stacks with larger active areas at the cell level;Development of processes with higher throughputs due to reduced scrap or increased recycling potential. The above improvements will enable manufacturers to deliver sufficient hardware for large-scale deployment as well as to benefit from economies of scale, improving the competitiveness of clean hydrogen.
It is expected that this topic will support complementary projects in order to cover low-temperature electrolysis and high-temperature electrolysis.
For additional elements applicable to all topics please refer to section 2.2.3.2.
Activities are expected to start at TRL4 and achieve TRL5-6 by the end of the project - see General Annex B.
Activities are expected to start at MRL4 and achieve MRL 5 by the end of the project - see Call management and general conditions section.
The JU estimates that an EU contribution of maximum EUR 4.00 million would allow these outcomes to be addressed appropriately.
The conditions related to this topic are provided in the chapter 2.2.3.2 of the Clean Hydrogen JU 2025 Annual Work Plan and in the General Annexes to the Horizon Europe Work Programme 2023–2025 which apply mutatis mutandis
[1] https://cordis.europa.eu/project/id/101111882
[2] https://cordis.europa.eu/project/id/826089
[3] https://cordis.europa.eu/project/id/101111784
[4] https://cordis.europa.eu/project/id/875123
[5] https://cordis.europa.eu/project/id/779540
[6] https://cordis.europa.eu/project/id/101101439
[7] https://cordis.europa.eu/project/id/101112026
[8] https://cordis.europa.eu/project/id/779579
[9] https://cordis.europa.eu/project/id/101101479
[10] https://climate.ec.europa.eu/news-your-voice/news/topsoec-fuelling-europes-renewable-hydrogen-ambitions-energy-efficient-electrolyser-components-2024-09-30_en
[11] https://ec.europa.eu/assets/cinea/project_fiches/innovation_fund/101132982.pdf
[12] https://cinea.ec.europa.eu/featured-projects/giga-scales-smarter-membranes-lower-cost-hydrogen-production_en
[13] https://www.bosch-hydrogen-energy.com/about-us/collaboration-funding/elyas/
[14] https://cordis.europa.eu/project/id/101137953
[15] https://cordis.europa.eu/project/id/101091777
[16] https://www.effra.eu/made-in-europe-state-play/
[17] https://www.zdmp.eu/
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