The effect of temperature and pressure on the hydrogen permeation through Pd-coated Ti26Ni21V53 alloy membrane under different atmospheres

Sung Il Jeon, Edoardo Magnone, Jung Hoon Park, Yongtaek Lee

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

The paper introduces Ti26Ni21V53 alloy membrane as a potential replacement for Pd-based membrane. The pressure-temperature-hydrogen permeation relationships of Pd-coated Ti 26Ni21V53 alloy membrane have been investigated under pure hydrogen and mixed hydrogen gas with carbon dioxide and carbon monoxide in a pressure range from 0.5 to 2 atm over a wide temperature range including the typical hydrogen membrane operating temperature range (350-450 °C). The experiments show that the hydrogen flux was directly proportional to the temperature at constant pressure according to an Arrhenius-type relationship, whereas it was not proportional to the square root of hydrogen partial pressure in little accordance with the Sievert's law. The hydrogen permeability values obtained for the Pd-coated Ti26Ni 21V53 alloy membrane under present conditions are higher than the pure palladium and those previously published in the Ti-Ni-V ternary systems.

Original languageEnglish
Pages (from-to)2495-2497
Number of pages3
JournalMaterials Letters
Volume65
Issue number15-16
DOIs
StatePublished - Aug 2011

Keywords

  • Alloy membrane
  • Gas mixture
  • Hydrogen permeation
  • Ti-Ni-V

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