콘텐츠 본문
논문 해외 국제전문학술지(SCI급) PT-NI ALLOY NANOPARTICLES SUPPORTED ON CNF AS CATALYST FOR DIRECT ETHANOL FUEL CELLS
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2012-05
- 저자명 박정호
- 학술지명 CURRENT APPLIED PHYSICS
- 발행처명 ELSEVIER SCIENCE BV
- 발행국가 해외
- 논문언어 외국어
- 전체저자수 4
논문 초록 (Abstract)
Carbon nanofiber (CNF) network supported Pt and Pt-Ni alloy nano particle catalysts were prepared by electrochemical deposition a t different deposition cycles. Structure, composition and surface morphology of the Pt/CNF and Pt-Ni/CNF were analyzed using X-ra y diffraction, Energy dispersive X-ray spectroscopy and field emi ssion scanning electron microscopy. Structural analysis by XRD reveal ed a face centered cubic crystal structure for Pt and its alloy. SEM images have shown that the Pt-Ni nanoparticles distributed evenly on t he CNF network. The electrocatalytic activity of the Pt/CNF and Pt-Ni/ CNF electrodes was verified using an electrochemical linear voltamm etrty (ELV), cyclic voltammetry (ECV) and electrochemicalimpedance spectroscopy (EIS) in an alkaline solution containing 1 M C2H 5OH + 1 M KOH. The results show increased catalytic activity with enhan cement of the Pt-Ni alloy formation. (C) 2011 Elsevier B.V. All rights reserved.
