Rapid synthesis of Pt-based alloy/carbon nanotube catalysts for a direct methanol fuel cell using flash light irradiation

Title
Rapid synthesis of Pt-based alloy/carbon nanotube catalysts for a direct methanol fuel cell using flash light irradiation
Authors
박성현정혜미엄석기송용원김학성
Keywords
IPL; Pt alloy; Direct methanol fuel cells; carbon nanotubes; Flash light irradiation; Methanol; Nanoparticle-alloys
Issue Date
2012-09
Publisher
International journal of hydrogen energy
Citation
VOL 37, NO 17, 12597-12604
Abstract
We synthesized Pt, Pt-Ru alloy and Pt-Ru-Mo alloy nanoparticles on the multi-walled carbon nanotubes (MWCNTs) using flash light irradiation and characterized these catalysts. Pt100, Pt50-Ru50 alloy and Pt43-Ru43-Mo14 alloy are coated onto MWCNTs followed by flash light irradiation to facilitate the formation of nanoparticle-alloys. The fabricated pure Pt and Pt-based alloy nanoparticle/MWCNTs were characterized by X-ray diffraction (XRD), raman spectroscopy and scanning electron microscopy (SEM). Cyclic voltammetry (CV) studies and electrochemical impedance spectroscopy (EIS) results revealed that the Pt43- Ru43-Mo14/MWCNT catalyst has higher activity and stability with regard to methanol electro-oxidation than the Pt100/MWCNT and Pt50-Ru50/MWCNT catalysts.
URI
http://pubs.kist.re.kr/handle/201004/42924
ISSN
03603199
Appears in Collections:
KIST Publication > Article
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