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Hydrogen

A LNE Joint Research Project

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    • >> Hydrogen purity measurements according to ISO 14687‐2 and risk assessment for fuel cells
    • >> Analytical methods for performing hydrogen purity testing to enable the full implementation of the revised ISO 14687‐2 standard
    • >> Development and validation of traceable methods for mass measurements of hydrogen absorbed in metal hydrides
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Home / Workpackages / Development and validation of traceable methods for mass measurements of hydrogen absorbed in metal hydrides (WP3)

Development and validation of traceable methods for mass measurements of hydrogen absorbed in metal hydrides (WP3)

The aim of this work package is devoted to the development of a consistent method to assess the absorbed mass (or volume) of hydrogen in a reversible hydride tank. Hydrogen storage by reversible hydride metal is more and more used in various storage systems. However this storage method does not provide one-to-one relationship between absorbed mass of hydrogen, pressure and temperature. The knowledge of observed physical variables such as pressure and temperature is not sufficient to assess the residual hydrogen contained in the tank.

Tank and metal hydride - MAHYTEC

Tank and metal hydride – MAHYTEC

 

The ISO 16111 standard Transportable gas storage devices – Hydrogen absorbed in reversible metal hydride is the standard devoted to this type of tank. ISO/TC 197/WG 25 is working on a revision of this standard. Particularly, issues arise as the standard states that a hydrogen cycling test has to be performed during qualification test and that the tank shall be cycled when charged with hydrogen, from not more than 5 % of rated capacity to not less than 95 % of rated capacity. ISO 16111 does not currently recommend the use of any specific measurement technique or method with respect to the cycle test. The results of WP3 will give proposals for accurate measurement methods of the hydrogen residues associated to uncertainties.

 

  • Task 3.1: Identification of methods for the measurement of hydrogen mass (and volume) absorbed in the storage tanks of metal hydrides requested in the ISO 16111 standard
  • Task 3.2: Validation of a traceable method for the measurement of hydrogen mass absorbed in metal hydride storage tanks AB and AB2

WP leader: Dr. Benoît Delobelle, MAHYTEC, contact: benoit.delobelle@mahytec.com

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News

Open-access publication on hydrogen fuel quality over a wide analysis campaign: December 2019

Press-release: Impact of hydrogen impurities on fuel cells

Workshop at Air Liquide R&D Centre: November 7 & 8, 2018

Hydrogen quality: publication in International Journal of Hydrogen Energy, April 2018

Past events

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  • EURAMET 4th Publishable Summary (September 2018)
  • Publication in International Journal of Hydrogen Energy, April 2018
  • Flyer Hydrogen JRP
  • EURAMET 3rd Publishable Summary (January 2018)
  • Publication in Measurement Science and Technology, Jan 2018
  • 2018 ISFFM symposium: abstract
  • 2017 CIM conference: abstracts
  • 2017 Spanish Metrology Congress: paper (in Spanish)
  • 2017 Iberconappice conference: paper (in Spanish)
  • 2017 Pittcon conference: Poster

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