The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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A shared activity, funded by TDE and SRE-CTP (Greek Task Force Programme activity 3008), successfully developed a closed loop regenerative fuel cell system (RFCS) and demonstrated its operational capability.
The technology is based on a high temperature proton exchange membrane (HT-PEM) for the fuel stack and PEM technology for the high-pressure electrolyser stack. The results provided an invaluable insight into regenerative fuel cell technology, realising a major milestone, and pioneering the field by successfully demonstrating:
• High temperature fuel cell operations on pure oxygen
• Simultaneous storage of hydrogen and oxygen
• Closed loop operation where electrolyser storage gases are used in the fuel cell
• Steep start-up/shut downs
• Autothermal electrolyser operation
• Two-phase water-cooling loop on the fuel cell stack