Characterization of Pd-Cu-Ni ternary alloy membrane prepared by magnetron sputtering and Cu-reflow on porous nickel support for hydrogen separation

Shin Kun Ryi, Jong Soo Park, Sung Hyun Kim, Sung Ho Cho, Dong Won Kim, Ki Youn Um

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Pd-Cu-Ni alloy membrane was successfully deposited 4 μm in thickness on porous nickel support by multitarget sputtering and Cu-reflow technique. The surface of porous nickel support needed not to be modified because it has very uniform and small pore distribution as 33 nm. From the XRD and SEM analysis, it was clarified that the fabricated Pd-Cu-Ni ternary alloy film had Pd-Cu-Ni alloy character and no defects on the surface of thin membrane. The weight composition of Pd:Cu:Ni was 89:4.5:6.5 from EDS analysis. As a result of single gas permeation test using H2 and N2, hydrogen permeance increased with an increase of operating temperature and transmembrane pressure difference. Furthermore, hydrogen separation factor with single gas test was infinity indicating pinhole-free palladium-based alloy membrane. In additions, it was so stable that the morphology of the surface was not changed and there were no indications of metal interdiffusion during time-on-stream test for 10 days with the cycling of operating temperature and transmembrane pressure difference.

Original languageEnglish
Pages (from-to)82-91
Number of pages10
JournalSeparation and Purification Technology
Volume50
Issue number1
DOIs
Publication statusPublished - 2006 Jun 1

Fingerprint

Ternary alloys
Nickel
Magnetron sputtering
Hydrogen
Membranes
Gases
Palladium
Permeation
Sputtering
Energy dispersive spectroscopy
Metals
Temperature
Defects
Scanning electron microscopy
Chemical analysis

Keywords

  • Cu-reflow
  • Hydrogen separation
  • Pd-Cu-Ni ternary alloy membrane
  • Porous nickel support
  • Sputtering method

ASJC Scopus subject areas

  • Filtration and Separation
  • Energy(all)

Cite this

Characterization of Pd-Cu-Ni ternary alloy membrane prepared by magnetron sputtering and Cu-reflow on porous nickel support for hydrogen separation. / Ryi, Shin Kun; Park, Jong Soo; Kim, Sung Hyun; Cho, Sung Ho; Kim, Dong Won; Um, Ki Youn.

In: Separation and Purification Technology, Vol. 50, No. 1, 01.06.2006, p. 82-91.

Research output: Contribution to journalArticle

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AU - Um, Ki Youn

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AB - Pd-Cu-Ni alloy membrane was successfully deposited 4 μm in thickness on porous nickel support by multitarget sputtering and Cu-reflow technique. The surface of porous nickel support needed not to be modified because it has very uniform and small pore distribution as 33 nm. From the XRD and SEM analysis, it was clarified that the fabricated Pd-Cu-Ni ternary alloy film had Pd-Cu-Ni alloy character and no defects on the surface of thin membrane. The weight composition of Pd:Cu:Ni was 89:4.5:6.5 from EDS analysis. As a result of single gas permeation test using H2 and N2, hydrogen permeance increased with an increase of operating temperature and transmembrane pressure difference. Furthermore, hydrogen separation factor with single gas test was infinity indicating pinhole-free palladium-based alloy membrane. In additions, it was so stable that the morphology of the surface was not changed and there were no indications of metal interdiffusion during time-on-stream test for 10 days with the cycling of operating temperature and transmembrane pressure difference.

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