Preparation and Characterization of New Pt/Rh/SnO2 Nanoparticle Catalysts for Ethanol Oxidation Reaction to CO2

被引：2
|
作者：
Mai Phuong Tu [1 ]
Chiku, Masanobu [1 ]
Higuchi, Eiji [1 ]
Inoue, Hiroshi [1 ]
机构：
[1] Osaka Prefecture Univ, Grad Sch Engn, Dept Appl Chem, Sakai, Osaka 5998531, Japan
来源：
SELECTED PROCEEDINGS FROM THE 231ST ECS MEETING | 2017年 / 77卷 / 11期
关键词：
ANODE CATALYSTS; FUEL-CELL; ELECTROCATALYSTS; ELECTROOXIDATION; DEMS;
D O I：
10.1149/07711.1937ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Rh was deposited on Pt/SnO2(3:1)nanoparticle-loaded carbon black (Pt/SnO2/C) by two methods, normal and controlled Rh deposition (Ter-1, Ter-2). The particle size of Pt in the Pt/SnO2/C, Ter-1 and Ter-2 was estimated as 2.5, 2.8 and 2.8 nm by X-ray diffraction spectroscopy (XRD), respectively. Energy-dispersive X-ray spectroscopy (EDX) revealed the content of Rh in Ter-1 and Ter-2 was approximately 5%. The current for ethanol oxidation reaction (EOR) at 0.6 V vs. RHE for Ter-2 was ca. 1.5 and 2 times higher than that for Pt/SnO2/C and Ter-1, respectively. The onset potential of the EOR current for Ter-1 is the highest among 3 catalysts. The in-situ infrared reflection absorption spectroscopy (IRAS) exhibited the great facilitation of CO2 formation for Ter-2 in comparison with the facilitation of acetic acid formation for Pt/SnO2/C, whereas Ter 1 showed the lowest performance towards EOR.
引用
收藏
页码：1937 / 1945
页数：9
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