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 Nanocatalyst for AEM Electrolysis via Spontaneous Reduction Reaction in Dry Process

건식 공정에서 자발적 환원 반응에 의한 AEM 수전해용 Fe-Ni 나노 촉매 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 : 2024.02.15
  • Accepted : 2024.04.19
  • Published : 2024.04.30
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Abstract

Fe-Ni nanocatalysts loaded on carbon black were prepared via spontaneous reduction reaction of iron (II) acetylacetonate and nickel (II) acetylacetonate in dry process. Their morphology and elemental analysis were characterized by scanning electron microscopy, transmission electron microscopy (TEM), and energy dispersive X-ray analyzer. The loading weight of the nanocatalysts was measured by thermogravimetric analyze and the surface area was measured by BET analysis. TEM observation showed that Fe and Ni nanoparticles was well dispersed on the carbon black and their average particle size was 4.82 nm. The loading weight of Fe-Ni nanocatalysts on the carbon black was 6.83-7.32 wt%, and the value increased with increasing iron (II) acetylacetonate content. As the Fe-Ni loading weight increased, the specific surface area decreased significantly by more than 50%, because Fe-Ni nanoparticles block the micropores of carbon black. I-V characteristics showed that water electrolysis performance increased with increasing Ni nanocatalyst content.

Keywords

Acknowledgement

이 논문은 2023년도 RIS 에너지 신산업 사업단의 연구비 지원을 받아 수행된 연구임.

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