GREENH2PIPES Project Introduction




The global objective of the GREENH2PIPES project is research into new materials and manufacturing processes focused on the generation, storage and transport of hydrogen in a competitive manner. For this, it will be done:

Research into new materials and manufacturing processes for the development of innovative components that allow the manufacture of a new generation of PEM electrolyzers, based on national technology, reducing technology costs (CAPEX €1,500/kW) and maintaining efficiency ( 55 kWh/kg) and durability.

The optimization of the injection of green hydrogen generated into the natural gas network that allows optimal integration between the electrical network and the natural gas network, contributing to the decarbonization objectives of the natural gas network.

Research into new catalyst materials for the storage of hydrogen, in the form of organic liquids, that reduce the charge and discharge energy and increase the useful life of the systems to achieve the technical-economic viability of these storage systems.

Technical Objectives of the Project

1) Manufacturing for the development of innovative bipolar plates

Research into new materials, designs and manufacturing processes for the development of innovative bipolar plates with manufacturing costs reduced by 15% (<€112/kW), based on stainless steels, which allow the elimination of the use of titanium.

2) Development of new thin current collectors

Research into new materials, designs and manufacturing processes for the development of new thin current collectors (thickness < 0.8 mm) based on stainless steels that allow the elimination of the use of titanium, reducing manufacturing costs by 22% (<€25 /kW).


3) Research of new catalytic inks and deposition processes
Research of new catalytic inks and deposition processes for the manufacture of innovative electrodes with very low precious metal content (platinum content < 0.8 mgcm -2 and iridium content < 2.5 mgcm -2 ).


4) Optimization of stack integration and electrolysis system

Optimization of the integration of the stack and electrolysis system, incorporating in the electrolyzer an optimized control for the injection of the hydrogen generated into the natural gas network.

5) Design of a new generation of PEM electrolyzers
Design of a new generation of optimized PEM electrolyzers, with national technology, with new components (bipolar plates, collectors and electrodes) and that allows a cost reduction (CAPEX stack €1500/kW) compared to the state of the art.

6) Optimization of hydrogen injection into the natural gas network
Study of materials and protocols for the optimization of hydrogen injection into the natural gas network for its transportation and subsequent use by end consumers.


7) Research of new palladium membranes for hydrogen separation
Research of new palladium membranes that allow the optimal separation of low concentrations of hydrogen in natural gas.


8) Study of materials for hydrogen storage
Study of catalysts, materials and operating conditions for the storage of hydrogen in organic liquids, optimizing the hydrogenation-dehydrogenation reactions that allow obtaining a gravimetric storage capacity of the system.


9) Study of new recycling strategies for new materials
Study of new recycling strategies for new materials and components developed that guarantee minimal environmental impact.

Beneficiary companies that make up the project consortium:











Enagás is a European TSO (Transmission System Operator) with 50 years of experience in the development, operation and maintenance of energy infrastructures. It has more than 12,000 kilometers of gas pipelines, three underground storage facilities and eight regasification plants. The company operates in eight countries: Spain, the United States, Mexico, Peru, Germany, Albania, Greece and Italy. In Spain he is the Technical Manager of the Gas System.


Enagás continues to move towards its commitment to be a carbon neutral company in 2040 and maintains leadership positions in the main sustainability indices in the world.











World leader in thermal, thermo-acoustic and electromagnetic insulation for the automotive sector. Its products and developments are based on metal parts (aluminum and thin stainless steel) produced through a cold stamping process. The company's mission is to effectively contribute to customer success by providing innovative insulation solutions for the automotive sector, with a clear focus and ambition to be pioneers in the development and production of new solutions for clean mobility. The R&D strategy is organized around 3 drivers:


• Process optimization through the implementation of new technologies.
• New products and services with higher added value for the customer.
• Solutions focused on electric vehicles and clean mobility.

In their diversification and expansion strategy towards new products with high added value where they can apply their differentiating knowledge in the field of stamping processes.







SME with great interest and experience in R&D projects, being a technological leader in the design and development of high-performance alloys and steels for technologically advanced industrial applications.

His Innovation team addresses the various challenges that have arisen in the area of ​​tools and other engineering applications in a multidisciplinary manner, understanding tool materials, their production, processing and utilization. This approach has led to the development of highly innovative tool materials, new production technologies and advanced testing equipment, as well as methods for process and part manufacturing optimization.








Company in the automotive sector that, based on R&D, has managed to develop a medical division through the invention of a new material with specific applications in the medical device sector, and that is now clearly committed to entering energy or green fuel applications. '.

In addition, AMES has its own division of bronze and stainless steel, flat and cylindrical filters for chemical and pneumatic applications, so the product to be developed would increase the portfolio of capabilities and products of said division.

In this regard, AMES has been working continuously for more than 10 years on this type of H2 and/or energy generation applications, from SOFC cells with anode support to thermal boilers with self-generation whose results reached the consumer market ahead of time, through the first button type repeater units, to low power electrolyzers (<300 W). All these R&D efforts have allowed them to have a clear idea of ​​the product and begin to consider the systems or integrations market as a potential market for strategic diversification in the coming years.








Technology-based company (EBT) with great international projection. The main activity of Nano4Energy is the technological development of high added value coatings through magnetron sputtering technology and the implementation of said coatings in industrial coating systems. Due to the requirements of today's coatings, the company has become one of the world leaders in coatings applied using HIPIMS (High Impulse Power Magnetron Sputtering) technology. In addition, Nano4Energy is specialized in the development and manufacturing of HiPIMS power sources that respond to the needs of coatings producing companies in a personalized way.










National startup born under the Enagás corporate entrepreneurship program, Enagás Emprende, to manufacture electrolyzers. The company's business focuses on the development of hydrogen production systems based on PEM technology from design, construction and integration, to operation and maintenance needs. Despite being a recently created company (07/28/2020), the company's management has extensive experience and knowledge in the development of PEM electrolyzers based on its own technology. The company's expansion strategy involves the development of new PEM electrolyzers with innovative components that allow competitive scaling (megawatt scale) of these systems for which research into new materials, design and manufacturing processes are critical.









Exolum is Europe’s leading logistics company for liquid products and one of the largest in the world. Our core business activity is the transportation and storage of a wide range of bulk liquid products, especially refined products, chemicals and biofuels, in a sustainable and efficient manner.


In addition, the company operates in new sectors, such as eco-fuels, the circular economy, and the development of new energy vectors that contribute to the energy transition and strengthen its position in new sectors where the company’s experience brings added value.


Exolum employs more than 2,000 professionals and operates in nine countries (Spain, the United Kingdom, Ireland, Germany, the Netherlands, Portugal, Panama, Ecuador and Peru), managing a pipeline network of over 6,000 kilometres, 68 storage terminals and 47 airport facilities with a total storage capacity of more than 11 million cubic metres.









Spin-off, between the TECNALIA research centers and the Eindhoven University of Technology, is the first company to market membrane reactors integrated with double-layer palladium membranes for applications either for the separation of hydrogen in gaseous streams or for the production of hydrogen. from different raw materials. H2SITE sells the systems as a technology provider along with high-level maintenance contracts for the replacement of critical components (membranes and catalyst), and offers remote monitoring services for the installed equipment through any terminal.



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