한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제45권8호
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  • Pages.472-476
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  • 2008
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  • 1229-7801(pISSN)
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  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
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고분자전해질 연료전지용 바이폴라 플레이트의 다층 코팅의 증착

Multi-layered Coating Deposited on PEMFC (Proton Exchange Membrane Fuel Cell) Bipolar Plates

  • 윤영훈 (동신대학교 수소에너지학과) ;
  • 정훈택 (동신대학교 수소에너지학과) ;
  • 차인수 (동신대학교 수소에너지학과) ;
  • 최정식 (동신대학교 수소에너지학과) ;
  • 김동묵 (동신대학교 수소에너지학과) ;
  • 정진호 (전남대학교 물리학과)
  • Yun, Young-Hoon (Department of Hydrogen & Fuel Cell Technology, Dongshin University) ;
  • Chung, Hoon-Taek (Department of Hydrogen & Fuel Cell Technology, Dongshin University) ;
  • Cha, In-Su (Department of Hydrogen & Fuel Cell Technology, Dongshin University) ;
  • Choi, Jeong-Sik (Department of Hydrogen & Fuel Cell Technology, Dongshin University) ;
  • Kim, Dong-Mook (Department of Hydrogen & Fuel Cell Technology, Dongshin University) ;
  • Jung, Jin-Ho (Department of Physics, Chonnam National University)
  • 발행 : 2008.08.31
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초록

The surface region of commercial stainless steel 304 and 316 plates has been modified through deposition of the multi-layered coatings composed of titanium film ($0.1{\mu}m$) and gold film ($1-2{\mu}m$) by an electron beam evaporation method. XRD patterns of the stainless steel plates deposited with conductive metal films showed the peaks of the external gold film and the stainless steel substrate. Surface microstructural morphologies of the stainless steel bipolar plates modified with multi-layered coatings were observed by AFM and FE-SEM images. The stainless steel plates modified with $0.1{\mu}m$ titanium film and $1{\mu}m$ gold film showed microstructure of grains of under 100 nm diameter. The external surface of the stainless steel plates deposited with $0.1{\mu}m$ titanium film and $2{\mu}m$ gold film represented somewhat grain growth of Au grains in FE-SEM image. The electrical resistance and water contact angle of the stainless steel bipolar plates modified with multi-layered coatings were examined with the thickness of the gold film.

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참고문헌

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