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ecoclean-kicks-off-series-production-of-alkaline-electrolysers
© Ecoclean
ecoclean-kicks-off-series-production-of-alkaline-electrolysers
© Ecoclean

Ecoclean kicks off series production of alkaline electrolysers

German machinery manufacturer Ecoclean on Tuesday (January 23) announced the start of the series production of its modular alkaline electrolysers.

Branded EcoLyzer, the “robust and cost-effective” modular pressurised alkaline systems are available as scalable solutions with outputs ranging from 1-20MW.

Ecoclean will be producing 200MW of the systems per year from 2025 and has told H2 View, depending on market developments, the capacity could be doubled in a second step.

Manfred Hermanns, Board of Management/Director Sales & Customer Services at Ecoclean, said, “The electrolysers will initially be offered in four different versions. The smallest model is the EcoLyzer series, the P200 (1MW), produces approx. 200Nm3/h of hydrogen.

“This corresponds to about 18kg/h. This is sufficient to drive around 2,000km in a car with a fuel cell.”

The technology at the heart of the systems has been developed and optimised by the Centre for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW) over the past decade.

Alkaline systems use a liquid electrolyte with a porous separator between the anode and cathode, where hydroxide ions cross the separator via the liquid solution to form oxygen and water. At the other electrode, hydrogen is co-generated with hydroxide ions.

According to EcoLyzer’s technical sheets, a 1MW system will produce hydrogen at 99.5% purity. With a stack efficiency of 4.8kWh/Nm3 and lifetime of 80,000 hours, the company hopes to deliver high levels of operational reliability and low maintenance costs.

The series production follows initial testing and validating of electrolysis stacks with a diameter of up to 1,500mm and maximum output of 500kW.

Furthermore, leveraging its system integrator experience, Ecoclean will offer water treatment and gas compression equipment for electrolyser installations.

Meeting scale: PEM and alkaline leading the electrolyser charge

Green hydrogen has landed itself a place in global energy discussion as the world looks to decarbonise, with the clean energy carrier expected to play a role across mobility, energy and industry.

However, if that potential is to be realised, an immense scale up of  technologies needed to produce green hydrogen will be required.

According to the International Energy Agency (IEA), by 2030, if all electrolyser projects in the global pipeline were implemented, it would lead to an installed electrolyser capacity of between 170GW and 365GW¹, but as with almost all technologies, there is debate over which route offers the most promising results.

Water electrolysis for hydrogen production is no new technology. In fact, it’s over 200 years old. Using an electrochemical reaction, electrolysis splits water into its component elements of hydrogen and oxygen.

In recent years however, somewhat of a two-horse race has formed, between two different systems that appear to be dominating global green hydrogen production projects: Proton Exchange Membrane (PEM) and alkaline…

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