Electrochemical Hydrogen Separation (EHS) for Economical Hydrogen Production

The smarter E Podcast Episode 231 | August 21, 2025 | Language: German

Hydrogen offers enormous potential for the energy transition and industry. From mobility and energy supply to industrial use, hydrogen is being discussed as a solution for a climate-friendly future. It can store and transport energy, but hardly ever occurs in its pure form in nature. To make it usable, technical processes such as electrolysis or steam reforming are necessary.

One promising option is to extract hydrogen from existing gas mixtures—for example, from process and exhaust gases, natural gas, or biogas. This is where the electrochemical separation process (EHS process) comes into play, which will be discussed with Dr. Thomas Klaue, Managing Director of SIQENS.

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The smarter E podcast is all about the current trends and developments in a renewable, decentralized and digital energy industry. Our moderators Tobias Bücklein and Zackes Brustik welcome and interview personalities who shape our industry and drive developments forward. A new episode is published every Thursday.

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About Dr Thomas Klaue and SIQENS

Dr Thomas Klaue, CEO from SIQENS

Dr Thomas Klaue has been a member of the Advisory Board since 2019 and was appointed CEO of SIQENS GmbH in July 2022 with the task of developing the company into an international provider of hydrogen infrastructure solutions and off-grid power supply solutions for critical infrastructures.

This role was preceded by around 20 years as CFO and CEO in mostly listed companies in the healthcare/life sciences and technology sectors. These included positions at Injex Pharma GmbH (medtech), MK-Kliniken AG (healthcare) and Medigene AG (biotech-pharma). As Vice President of Business Development at Infineon Technologies AG, he was responsible for corporate venture capital and the global BioChip business. Prior to that, he worked as head of the M&A department at DASA (now Airbus) on the reorganisation of the aerospace industry into its current European structures.

SIQENS, founded in Munich in 2012, is a provider of methanol fuel cells and electrochemical hydrogen separation (EHS) technology. The company's methanol fuel cell modules (Ecoport) are used for emergency power supply in safety-critical applications and locations without connection to the power grid. Based on its patented high-temperature polymer electrolyte membrane (HT-PEM) technology portfolio for power generation, SIQENS offers solutions for the separation and purification of hydrogen at the point of consumption from various source gases – for example, from hydrogen admixtures in the natural gas grid or reformate gases from methanol and biogas. The SIQENS technology portfolio addresses the challenge of hydrogen supply in the last mile: decarbonisation of power generation, transport and industry by reducing the cost of hydrogen supply.


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