PtRu, PtRuFe and PtRuNi alloy electrocatalysts decorated on composite support C-MWCNTs for direct methanol fuel cells

Quan Dang Long, An Nguyen Minh, Vinh Thach Phuc, Ngan Nguyen Thi Thanh, Lil Owin Khưu, Niem Le Phuong, Tu Do Cam, Truong Vu Xuan, Phuoc Le Huu

Abstract


In this work, carbon Vulcan XC-72 (C) and carbon nanotubes (CNTs) supported ternary platinum-ruthenium-iron (PtRuFe) and platinum-ruthenium-nickel (PtRuNi) alloy nanoparticles have been synthesized by a co-reduction method. The catalyst samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and cyclic voltammetry (CV). The results show that ternary alloy catalysts are always better than binary alloy catalysts. In particular, PtRuNi is the best catalyst for methanol oxidation reaction. 


Keywords


Composite support; cyclic voltammetry; electrocatalyst; methanol oxidation; nanoparticle

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References


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DOI: https://doi.org/10.51316/jca.2022.014

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