Hydrogen fuel quality for transport – First sampling and analysis comparison in Europe on hydrogen refuelling station (70 MPa) according to ISO 14687 and EN 17124.

Thomas Bacquart · Niamh Moore · Ward Storms · Nathalie Chramosta · Abigail Siân Olivia Morris · Arul Murugan +4 more

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Scientific Measurement and Uncertainty Evaluation Fuel Cells and Related Materials Hybrid Renewable Energy Systems

Abstract

Fuel cell electric vehicles are getting deployed exponentially in Europe. Hydrogen fuel quality regulations are getting into place in order to protect customers and ensure end-users satisfactory experiences. It became critical to have the capability to sample and analyse accurately hydrogen fuel delivered by hydrogen refuelling stations in Europe. This study presents two separate comparisons: the first bilateral comparison between two sampling systems (H2 Qualitizer) and (“H2 Sampling System” of Air Liquide) and the interlaboratory comparison between NPL and Air Liquide on hydrogen fuel quality testing according to EN 17124. The two sampling systems showed equivalent results for all contaminants for sampling at 70 MPa hydrogen refuelling stations. The two laboratories showed good agreement at 95% confidence level. Even if the study is limited due to the low number of samples, it demonstrates the equivalence of two sampling strategies and the ability of two laboratories to perform accurate measurement of hydrogen fuel quality.

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