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2021 Vol.9, Issue 4 Preview Page

Research Article

Preparation of Electrochemical Binary Transition Metal Complex Catalyst for Methanol Fuel Cells by Plasma Process

플라즈마를 이용한 메탄올 연료전지용 2성분 전이금속 착물 촉매의 제조

In-Kyoung Kim1, In-Keun Yu2, Seong-Ho Choi3

김인경1, 유인근2, 최성호3

1Graduate Student, Department of Cosmetic Science, Hannam University
2Researcher, Plasma Technology Research Institute, Korea Institute of Fusion Energy (KIFE)
3Professor, Department of Cosmetic Science, Hannam University / Professor, Department of Chemistry, Hannam University
1한남대학교 코스메틱사이언스학과 대학원생
2한국핵융합에너지연구원 플라즈마기술연구소 연구원
3한남대학교 코스메틱사이언스학과 교수 / 한남대학교 화학과 교수
31 December 2021. pp. 55-63
PDF Citation
Abstract
본 연구의 시료는 아크릴 고분자-전이금속 착물 촉매 전극으로 단일공정 플라즈마 처리 과정을 통해 제조하였다. 구체적으로 아크릴산-Cu 착물, 아크릴산-Ni 착물, 아크릴산-Cu/Ni착물 전구체를 제조 후, 이 전구체를 플라즈마 공정을 거쳐 ITO 전극 표면에 코팅 처리하여 아크릴 고분자-전이금속 착물 촉매 전극을 제조하였다. 3종류의 아크릴 고분자-전이금속 착물 촉매에 대하여 접촉각 측정, SEM, SEM-EDS, AFM, XPS, 전기화학적 방법을 통하여 분석한 결과 3종류의 전극이 플라즈마 단일공정 과정을 거쳐 성공적으로 제조됨을 확인하였다. 3종류의 전극에 대해서 메탄올의 산화 반응 결과를 수행하여 메탄올 연료전지용 촉매로서 가능성을 조사하였다. 그 결과, 촉매 효율은 아크릴 고분자-Cu/Ni 2성분 전이금속 착물 >> 아크릴 고분자-Cu 전이금속 착물 전극에서 높은 효율이 보였다. 반면에 아크릴 고분자-Ni 전이금속 착물 전극에서는 촉매 효율이 나타나지 않았다. 이러한 결과로서 아크릴 고분자-Cu/Ni 전이금속 착물 및 아크릴 고분자-Cu 전이금속 착물은 메탄올 연료전지용 촉매로 사용될 수 있다. 또한, 단일 플라즈마 공정은 연료전지용 전기화학 전이금속 착물 촉매를 제조하는 데 매우 유용한 방법임을 알아냈다.
In this study, the acryl polymer-transition metal complex catalytic electrode was prepared by one-step plasma process. In details three-type precursors with acrylic acid-Cu complex, acrylic acid-Ni complex, and acrylic acid-Cu/Ni binary complex was synthesized by complexation reaction, after then the acrylic polymer-transition metal complex catalytic electrode was synthesized by one-step plasma process of the synthesized precursors on the surface of ITO glass. The successful preparation of three-type electrodes was conformed via water contact angle analysis SEM (Scanning Electron Microscopy), SEM-EDS (SEM Energy Dispersive X-ray Spectrometry), AFM (Atomic Force Microscope), XPS (X-ray Photoelectron Spectroscopy) and electrochemical analysis, respectively. Furthermore the catalytic efficiency for fuel cell was evaluated via electrochemical oxidation of methanol to know the possibility used by methanol fuel cell catalyst. As results, the catalytic efficiency was as following order: acryl polymer-Cu/Ni binary transition metal complex >> acryl polymer-Cu transition metal complex, while the acryl-Ni transion complex was not obtained the catalytic efficiency for methanol oxidation. From these results the polyacrylic acid-Cu/Ni binary transition metal complex and polyacrylic acid-Cu transition metal complex catalysts could be used as methanol fuel cell catalysts. In addition the one-step plasma process is good method for preparation of the fuel cell catalysts.
Keywords
Methanol fuel cell catalysts
One-step plasma process
Transition metal complex
Electrochemical oxidation of methanol
Acrylic acid-Cu/Ni complex precusors
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Information
  • Publisher :The Society of Convergence Knowledge
  • Publisher(Ko) :융복합지식학회
  • Journal Title :The Society of Convergence Knowledge Transactions
  • Journal Title(Ko) :융복합지식학회논문지
  • Volume : 9
  • No :4
  • Pages :55-63
  • DOI :https://doi.org/10.22716/sckt.2021.9.4.043
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