한국수소및신에너지학회논문집 (Journal of Hydrogen and New Energy)

  • 제31권5호
  • /
  • Pages.444-452
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  • 2020
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  • 1738-7264(pISSN)
  • /
  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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우주탐사용 직접 수소화붕소나트륨/과산화수소 연료전지의 환원극 촉매

Cathode Catalyst of Direct Borohydride/Hydrogen Peroxide Fuel Cell for Space Exploration

  • 유수상 (창원대학교 기계공학부) ;
  • 오택현 (창원대학교 기계공학부)
  • YU, SU SANG (Department of Mechanical Engineering, College of Mechatronics, Changwon National University) ;
  • OH, TAEK HYUN (Department of Mechanical Engineering, College of Mechatronics, Changwon National University)
  • 투고 : 2020.08.28
  • 심사 : 2020.10.30
  • 발행 : 2020.10.30
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초록

This study investigated the cathode catalyst of direct borohydride/hydrogen peroxide fuel cells for space exploration. Various catalysts such as Au, Ag, and Ni were supported on multiwalled carbon nanotubes (MWCNTs). Various techniques, such as transmission electron microscopy, Brunauer-Emmett-Teller method, scanning electron microscopy, and X-ray diffraction were conducted to investigate the characteristics of the catalysts. Fuel cell tests were performed to evaluate the performance of the catalysts. Ag/MWCNTs exhibited better catalytic activity than the Ni/MWCNTs and better catalytic selectivity of the Au/MWCNTs. Ag/MWCNTs presented good catalytic activity and selectivity even at an elevated operating temperature. The performance of Ag/MWCNTs was also stable for up to 60 minutes.

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참고문헌

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