Hydrogen Permeability of Tectosilicate Glasses for Tank Barrier Liners
Abstract: The permeation of hydrogen gas was studied in meta-aluminous (tectosilicate) glass powders of Li2O×Al2O3×SiO2 (LAS), Na2O×Al2O3×SiO2 (NAS) and MgO×Al2O3×SiO2 (MAS) systems by pressure loading and vacuum extraction in the temperatures range 210–310 °C. With this method, both the solubility S and the diffusivity D were determined, while the permeability was given by the product SD. For all glasses, S was found to decrease with temperature, while D increased. Since the activation energy of diffusion of H2 molecules exceeded that of dissolution, permeation increased slightly with temperature. When extrapolated to standard conditions (25 °C), the permeability of tectosilicate glasses was found to be only 10-22–10-24 mol H2 (m s Pa)-1, which is 8–10 magnitudes lower than most polymers. Thin glass liners of these compositions are expected to be the most effective barrier for tanks of pressurised hydrogen. https://www.tib-op.org/ojs/index.php/glass-europe/article/view/425
- Location
-
Deutsche Nationalbibliothek Frankfurt am Main
- Extent
-
Online-Ressource
- Language
-
Englisch
- Bibliographic citation
-
Hydrogen Permeability of Tectosilicate Glasses for Tank Barrier Liners ; volume:1 ; year:2023
Glass Europe ; 1 (2023)
- Creator
- DOI
-
10.52825/glass-europe.v1i.425
- URN
-
urn:nbn:de:101:1-2406241124494.231267108968
- Rights
-
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
- 14.08.2025, 10:48 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Reinsch, Stefan
- Welter, Thorben
- Müller, Ralf
- Deubener, Joachim