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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Effect of the Mixture Ratio of Ni-Pt Nanocatalysts on Water Electrolysis Characteristics in AEM System

Ni-Pt 나노 촉매의 혼합비가 음이온 교환막 수전해 특성에 미치는 영향

  • LU, LIXIN (Department of Energy and Electrical Engineering, Woosuk University) ;
  • DAI, GUANXIA (Department of Energy and Electrical Engineering, Woosuk University) ;
  • LEE, JAEYOUNG (Hydrogen Fuel Cell Parts and Applied Technology RIC, Woosuk University) ;
  • LEE, HONGKI (Department of Energy and Electrical Engineering, Woosuk University)
  • 노립신 (우석대학교 에너지전기공학과) ;
  • 대관하 (우석대학교 에너지전기공학과) ;
  • 이재영 (우석대학교 수소연료전지 부품 및 응용기술 지역혁신센터) ;
  • 이홍기 (우석대학교 에너지전기공학과)
  • Received : 2021.09.07
  • Accepted : 2021.10.11
  • Published : 2021.10.30
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Abstract

To study the effect of the mixture ratio of Ni-Pt nanocatalysts on water electrolysis characteristics in anion exchange membrane system, Ni-Pt nanocatalysts were loaded on carbon black by using a spontaneous reduction reaction of acetylacetonate compounds. The loading weight of Ni-Pt nanocatalysts on the carbon black was measured by thermogravimetric analyzer and the elemental ratio of Ni and Pt was estimated by energy dispersive x-ray analyzer. It was found that the loading weight of Ni-Pt nanoparticles was 5.36-5.95 wt%, and the loading weight increased with increasing Pt wt%. As the Ni-Pt loading weight increased, the specific surface area decreased, because Ni-Pt nanoparticles block the pores of carbon black. It was confirmed by BET analysis and dynamic vapor sorption analysis. I-V characteristics were estimated.

Keywords

Acknowledgement

본 연구는 2020년도 산업통상자원부의 산업기술혁신사업의 연구비 지원을 받아 수행된 연구입니다(No. 20203030030040).

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