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Projektplenum: 04-M30-MP-2503 Energetic requirements of gas-diffusion electrode vs traditional electrolyser systems for the production of hydrogen and oxygen in space environments - Details

Projektplenum: 04-M30-MP-2503 Energetic requirements of gas-diffusion electrode vs traditional electrolyser systems for the production of hydrogen and oxygen in space environments - Details

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Course name Projektplenum: 04-M30-MP-2503 Energetic requirements of gas-diffusion electrode vs traditional electrolyser systems for the production of hydrogen and oxygen in space environments
Subtitle
Course number 04-M30-MP-2503
Semester WiSe 2025/2026
Current number of participants 1
expected number of participants 4
Home institute M.Sc. Space Engineering
Courses type Projektplenum in category Teaching
Type/Form
Englischsprachige Veranstaltung Nein
ECTS points 12

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Comment/Description

Currently, a traditional proton-membrane (PEM) electrolyser is used for the production of oxygen and hydrogen on the International Space Station (ISS) as part of the greater oxygen generator assembly (OGA). Due to its numerous malfunctions, unreliability and complex maintenance, the OGA is however not suitable for oxygen production on long-term space missions. In part, this is also because the PEM electrolyser requires an additional centrifuge system to remove the produced gas as the near-absence of buoyancy complicates gas-liquid phase separation. Gas-diffusion electrode systems are currently developed for terrestrial electrolysis systems, as they circumvent gas diffusion obstacles e.g., in simultaneous CO2 reduction and oxygen producing electrolysers. The project focuses on an energetic comparison between the PEM electrolyser system used on the ISS and a gas diffusion electrode arrangement for hydrogen and oxygen production in space environments.

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