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Start-ups · Energy & Climate

Oxhyd

www.oxhyd.com ↗ ·Barcelona ·Pre-seed

Oxhyd Energy S.L. is a spin-off of the Catalonia Institute for Energy Research (IREC) and the Catalan Institution for Research and Advanced Studies (ICREA), incorporated in February 2026 and based at IREC's site in the Barcelona area. It develops solid oxide fuel cells and electrolysers made from 3D-printed ceramic materials, so the same device can generate electricity or produce green hydrogen. It reports power densities above 2 kW per litre and 0.5 kW per kilogram and expects industrial manufacturing costs below €1,000 per kW. Oxhyd targets energy-intensive industry, ports, maritime transport and data centres. The technology comes from more than a decade of work in IREC's Nanoionics and Fuel Cells department, including the EU-funded Cell3Ditor and HyP3D projects. Before incorporation, the project won the seed category of the Catalonia Efficient Energy Cluster's EmergEnt awards in June 2025 and was funded by AGAUR's Knowledge Industry programme. In July 2026 Mobile World Capital Barcelona added it to its portfolio through The Collider technology-transfer programme, and in September 2026 it began BerriUp's 21st acceleration programme.

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