Electrochemical Hydrogen Compression and Purification (EHPC)

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The new standard in hydrogen compression

Page last modified
February 22 2024

Electrochemical compression of hydrogen is based on the following mechanism: hydrogen is supplied to the anode side of the membrane surface where a platinum-alloy catalyst splits the molecule into protons. The electrons are transferred via an external circuit to the catalyst layer on the opposite side of the proton exchange membrane (PEM).

HyET Hydrogen supplies complete hydrogen compression and purification units. Our modular design allows us to build units exactly tailored to customer applications. Additionally, this modularity allows for incremental capacity increases should demand for compressed and/or purified hydrogen increase over time.

Pros & Limitations
1
No moving parts - lower maintenance
1
High reliability and availability
1
Low energy consumption
1
No vibrations
1
Compact
1
Silent and safe operation
1
Compression in one stage (>90 MPa)
0
Pt catalyst is sensitive to the presence of hydrogen sulphide and carbon monoxide
Specification
Specification Title Specification Description
Design
Modular design | More stacks = more capacity
Efficiency
Minimum: 2 kWh/kg | Maximum: 7 kWh/kg
Hydrogen Flow Rate
Minimum: 1 Nm³/hr | Maximum: 2000 Nm³/hr
Pressure
Input: 0.1 – 450 barg | Output: 30 – 900 barg
Size
19” cabinet(s) (< 20 Nm³/hr) | 10 ft container(s) (<2000 Nm³/hr)
Ambient Temperature
All climates
Customizability
Higher output pressure, alternative coolant and alternative installation areas possible.

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Technology Readiness Level

The Technology Readiness Level (TRL) indicates the maturity level of novel technologies. Learn more about the TRL scale used by us.

[8/9]

Development Technology demonstration Mature / Proven
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HyET develops technologies that enable the large-scale introduction of decentrally generated renewable energy. The group provides essential pieces of the puzzle to create performance and cost parity between renewable and traditional fossil energy applications.

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