Recent progress in development of efficient electrocatalyst for methanol oxidation reaction in direct methanol fuel cell

2020 ◽  
Author(s):  
Lubna Yaqoob ◽  
Tayyaba Noor ◽  
Naseem Iqbal
Keyword(s):  
Fuel Cell ◽  
Methanol Oxidation ◽  
Direct Methanol Fuel Cell ◽  
Oxidation Reaction ◽  
Recent Progress ◽  
Methanol Oxidation Reaction ◽  
Direct Methanol ◽  
Methanol Fuel Cell

Analysis of Redox Reactions on Pt-Sn based Nano-catalysts for Direct Methanol Fuel Cell Applications

2018 ◽  
Vol 21 (1) ◽  
pp. 021-028 ◽  
Author(s):  
A. Sandoval-González ◽  
S. A. Gamboa
Keyword(s):  
Fuel Cell ◽  
Oxygen Reduction Reaction ◽  
Electric Power ◽  
Oxygen Reduction ◽  
Direct Methanol Fuel Cell ◽  
Oxidation Reaction ◽  
Reduction Reaction ◽  
Methanol Oxidation Reaction ◽  
Direct Methanol ◽  
Methanol Fuel Cell

Low content Pt based catalysts (Pt-Mx, Mx: SnO2, Sn) were prepared by microwave assisted-thermal synthesis. Pt-SnO2/C catalyst showed good performance for methanol oxidation reaction. Besides, Pt1Sn1/C showed good performance for catalyzing the oxygen reduction reaction. The catalysts were characterized structurally by X-ray diffraction and transmission electron microscopy techniques. It was possible to observe the presence of nanoparticles obtained by the synthesis method used in this work. The chemical composition of every material was determined by energy dispersive spectroscopy analysis. The electrochemical characterization of the electrocatalytic materials was carried out in acid medium by cyclic voltammetry and rotating disk electrode techniques. Pt-SnO2/C and Pt1Sn1/C were compared with commercial PtRu/C and Pt/C catalysts respectively. Pt-SnO2/C showed better electrochemical characteristics than commercial PtRu/C for performing the methanol oxidation reaction (MOR). Pt1Sn1/C showed an exchange current density two orders of magnitude higher than commercial Pt/C for performing the oxygen reduction reaction (ORR). The materials were evaluated in an experimental direct methanol fuel cell (DMFC) operating during 10 hours. The electric power density loss showed by the DMFC made with commercial catalysts (PtRu/C and Pt/C) was 67% while the DMFC made with Pt-SnO2/C and Pt1Sn1/C showed an electric power loss ca. 16%. It means that the catalysts synthesized in this work can be considered as good candidates for experimental direct methanol fuel cells.

Determination of the efficiency of methanol oxidation in a direct methanol fuel cell

2016 ◽  
Vol 199 ◽  
pp. 210-217 ◽  
Author(s):  
Pasha Majidi ◽  
Rakan M. Altarawneh ◽  
Nicholas D.W. Ryan ◽  
Peter G. Pickup
Keyword(s):  
Fuel Cell ◽  
Methanol Oxidation ◽  
Direct Methanol Fuel Cell ◽  
Direct Methanol ◽  
Methanol Fuel Cell

Hydrothermal synthesis of PtRu nanoparticles supported on graphene sheets for methanol oxidation in direct methanol fuel cell

2011 ◽  
Vol 65 (21-22) ◽  
pp. 3281-3284 ◽  
Author(s):  
Seok Hee Lee ◽  
Nitul Kakati ◽  
Seung Hyun Jee ◽  
Jatindranath Maiti ◽  
Young-Soo Yoon
Keyword(s):  
Fuel Cell ◽  
Hydrothermal Synthesis ◽  
Methanol Oxidation ◽  
Direct Methanol Fuel Cell ◽  
Graphene Sheets ◽  
Direct Methanol ◽  
Methanol Fuel Cell ◽  
Ptru Nanoparticles
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