Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Preparation and Characterization of Fe-Ni-Pt Nanocatalyst for Anion Exchange Membrane in Alkaline Electrolysis

음이온 교환막 수전해용 Fe-Ni-Pt 나노촉매 제조 및 특성

  • JAEYOUNG LEE (Hydrogen Fuel Cell Regional Innovation Center, Woosuk University) ;
  • HONGKI LEE (Hydrogen Fuel Cell Regional Innovation Center, Woosuk University)
  • 이재영 (우석대학교 수소연료전지 부품 및 응용기술 지역혁신센터) ;
  • 이홍기 (우석대학교 수소연료전지 부품 및 응용기술 지역혁신센터)
  • Received : 2023.09.25
  • Accepted : 2023.10.25
  • Published : 2023.10.30
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Abstract

Fe-Ni-Pt nanocatalysts were loaded on carbon black powders which were synthesized by a spontaneous reduction reaction of iron (II) acetylacetonate, nickel (II) acetylacetonate and platinum (II) acetylacetonate. The morphology and the loading weight of Fe-Ni-Pt nanoparticles were characterized by transmission electron microscopy and thermogravimetric analyzer. The amount of Fe-Ni-Pt catalyst supported on the carbon black surface was about 6.42-9.28 wt%, and the higher the Fe content and the lower the Pt content, the higher the total amount of the metal catalyst supported. The Brunauer-Emmett-Teller Analysis (BET) specific surface area of carbon black itself without metal nanoparticles supported was 233.9 m2/g, and when metal nanoparticles were introduced, the specific surface area value was greatly reduced. This is because the metal nanocatalyst particles block the pore entrance of the carbon black, and thereby the catalytic activity of the metal catalysts generated inside the pores is reduced. From the I-V curves, as the content of the Pt nanocatalyst increased, the electrolytic properties of water increased, and the activity of the metal nanocatalyst was in the order of Pt > Ni > Fe.

Keywords

Acknowledgement

본 연구는 2021년도 산업통상자원부의 신재생에너지 핵심기술 개발 사업의 연구비 지원을 받아 수행된 연구임(No. 20213030040520).

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