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HyET achieves electrochemical compression of hydrogen to 800 bar

HyET, Hydrogen Efficiency Technologies BV, reports that it has achieved electrochemical compression of hydrogen up to a pressure of 800 Bar. (Earlier post.) The compressor has two novel features: the device contains no moving parts and it is capable of compressing hydrogen from atmospheric pressure to 800 Bar in one single stage.

These benefits enable lower capital and operational costs compared to existing mechanical hydrogen compression technologies. By lowering the cost and footprint required for hydrogen compression, HyET aims to bring forward the large scale implementation of hydrogen fuelled vehicles.

800 bar single stage compression was a very important barrier for us, first of all because of the apparent technological challenge, but most importantly because this is above the filling pressure of the next generation Fuel Cell Vehicles. This technological breakthrough enables us to develop highly efficient and robust hydrogen compressors needed in the filling stations for these cars.

—Sander ten Hoopen (Head of System Design)

With this result, which has taken nearly three years of research and development to achieve, HyET improved on its own world record.

We now know for sure that we have suitable materials and design concepts, but we still have to take this technology from the lab to the commercial market. We know that we can’t do this alone, that is why we are cooperating with leading car manufacturers, research institutes and filling station suppliers. We expect to be able to intensify these cooperations in the near future.

—Wiebrand Kout (Head of Process Design)

Founded in 2009, HyET is a privately funded company situated in Arnhem, The Netherlands.



It would be ideal if future public or domestic H2O filling stations could go from Solar energy to Electricity to Compressed H2O without moving parts. Such dream solution may could true sooner than we think.

Nick Lyons

@Harvey: I think you mean H2, not H2O (unless you have a compressed water car idea up your sleeve)...

william g irwin

I wonder if this technology could support CNG too! There is a real need for reasonable CNG compressors for the home/office - Phyll seems to be gone, and was high maintenance.


This sounds impressive and H2 enabling.


NL...Tks for the correction. The O was an unwanted extra key stroke.

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