Hydrogen gas quality is a critical parameter in an emerging supply chain with a large scope of applications (i.e., home boiler, industry heat, power to electricity, or transport). It must be monitored over the whole supply chain from production to distribution.
Metrological tools ensure reliable and traceable measurements necessary to apply appropriate quality control on hydrogen throughout the supply chain.
To show the industry how metrological activities can bridge the gap between laboratory-based measurement research and real-life situations, improving and ensuring the quality of hydrogen gas, under the Met4H2 project, demonstrations of on-site monitoring, calibration and sampling were carried out at two real-life sites.
The chosen demonstration sites are a hydrogen production facility and an alkaline electrolyser production location. Indeed, although significant attention has recently been focused on proton exchange membrane electrolysers, alkaline electrolysers currently represent the majority of “green” hydrogen production systems. The experience gained and results obtained in the field are summarised in this document. This redacted document aims to support the quality infrastructure for the distribution of hydrogen, and it is intended to serve as a practical guide to metrologically traceable quality monitoring in the hydrogen supply chain (below 200 bar).
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