Development of a new porous metal support of metallic dense membrane for hydrogen separation

Shin Kun Ryi, Jong Soo Park, Sung Hyun Kim, Sung Ho Cho, Joo Seok Park, Dong Won Kim

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Porous nickel support was successfully made by uniaxial pressing of nickel powder for gases separation or metal support of Pd and/or Pd-alloy dense membrane. Since the used nickel powder was prepared by pulsed wire evaporation (PWE) method, it has a good thermal stability. Furthermore, a broad particle size distribution from 20 to 5000 nm cleared out the powder mixing step in the procedures of fabrication of porous nickel support. From the pore characterization and SEM analysis, it was clarified that the fabricated porous nickel support had so small uniform pore size of 33 nm and very smooth surface so that it can be offered as new material for the substrate of palladium and/or palladium-based alloy membrane. As a result of single gas permeation test using H2 and N2, permeance was constant with increasing transmembrane pressure difference and the selectivity was around 3.7, which indicated that the gas permeation was contributed by Knudsen diffusion. Since it has thermal resistance up to 650 °C, sputtering followed by cupper reflow could be applied to the formation of Pd-Cu-Ni ternary film on it. Furthermore, it showed the defect-free dense membrane characteristic.

Original languageEnglish
Pages (from-to)439-445
Number of pages7
JournalJournal of Membrane Science
Volume279
Issue number1-2
DOIs
Publication statusPublished - 2006 Aug 1

Fingerprint

Nickel
Hydrogen
Metals
nickel
membranes
Membranes
Powders
hydrogen
metals
Gases
Palladium
Permeation
palladium
Hot Temperature
gases
porosity
pressing
thermal resistance
particle size distribution
Particle Size

Keywords

  • Cupper reflow
  • Hydrogen separation
  • Nickel powder
  • Porous nickel support
  • Uniaxial pressing

ASJC Scopus subject areas

  • Filtration and Separation
  • Polymers and Plastics

Cite this

Development of a new porous metal support of metallic dense membrane for hydrogen separation. / Ryi, Shin Kun; Park, Jong Soo; Kim, Sung Hyun; Cho, Sung Ho; Park, Joo Seok; Kim, Dong Won.

In: Journal of Membrane Science, Vol. 279, No. 1-2, 01.08.2006, p. 439-445.

Research output: Contribution to journalArticle

Ryi, Shin Kun ; Park, Jong Soo ; Kim, Sung Hyun ; Cho, Sung Ho ; Park, Joo Seok ; Kim, Dong Won. / Development of a new porous metal support of metallic dense membrane for hydrogen separation. In: Journal of Membrane Science. 2006 ; Vol. 279, No. 1-2. pp. 439-445.
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