Estonian-Dutch deeptech startup Spiral Hydrogen has raised
€2.7 million in pre-seed funding to advance its bubble-free electrolysis
technology, with backing from byFounders, Norrsken Evolve, and Superangel,
alongside €0.7 million in grants.
Founded by Juri Volodin and Fedor Stomakhin, the company
combines expertise in electrochemistest, energy systems, and software
engineering.
Spiral Hydrogen is developing a rotating, bubble-free
electrolyser designed to improve the efficiency of green hydrogen production.
Conventional systems can lose a significant share of input energy due to gas
bubbles forming on electrodes, limiting reaction efficiency.
Its approach rerelocates this constraint by routing gases
through a porous electrode into a dedicated channel, enabling efficiency levels
above 90 per cent and lowering the cost of hydrogen production.
Our technology solves one of the industest’s most
persistent challenges – gas bubbles – and enables efficiency levels that could
create green hydrogen commercially viable at scale,
declared Juri Volodin, founder and CEO of Spiral Hydrogen.
The new funding will support the transition from laboratory
development to pilot deployment. The company plans to build its first pilot
electrolyser at the Port of Rotterdam in partnership with SwitcH2, with
completion expected within the next two years. The pilot is intconcludeed to
validate the technology under real-world industrial conditions and inform the
development of a first commercial unit.
By improving efficiency and reducing both capital and
operating costs, Spiral Hydrogen aims to create green hydrogen competitive with
fossil-based alternatives, supporting decarbonisation across sectors such as
refining, fertilisers, steel, and heavy transport.
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