Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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A Study on the Pd-Ni Alloy Hydrogen Membrane using the Porous Nickel Metal Support

다공성 Ni 금속 지지체를 사용한 Pd-Ni 합금 수소 분리막 연구

  • 김동원 (경기대학교 신소재공학과) ;
  • 엄기연 (경기대학교 신소재공학과) ;
  • 김상호 (한국기술교육대학교 신소재공학과) ;
  • 박종수 (한국에너지기술연구원)
  • Published : 2004.10.01
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Abstract

A dense palladium-nikel (Pd-Ni) alloy composite membrane has been fabricated on microporous nickel support mixed with submicron/micron nickel powder instead of mesoporous stainless steel support. Plasma treatment process is introduced as pre-treatment process instead of HCI activation. Pd-Ni alloy composite membrane prepared by electro plating was fairly a uniform and dense surface morphology. The membrane was characterized by permeation experiments with hydrogen and nitrogen gases at temperature 773 K and pressure 2.2 psi. The results showed that hydrogen ($H_2$) permeance was 27 ml/$\textrm{cm}^2$ㆍatmㆍmin and hydrogen/ nitrogen ($_H2$$N_2$) selectivity was 8 at 773 K.

Keywords

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