The oxygen reduction reaction of ordered porous carbon-supported PtSn catalysts

被引：16
|
作者：
Shen, Chin-Tien [1 ]
Wang, Kuan-Wen [2 ]
Tseng, Chung-Jen [1 ]
Lee, Kan-Rong [1 ]
Hsueh, Yu-Jui [1 ]
机构：
[1] Natl Cent Univ, Dept Mech Engn, 300 Jhongda Rd, Taoyuan 32001, Taiwan
[2] Natl Cent Univ, Inst Mat Sci & Engn, Taoyuan 32001, Taiwan
来源：
RSC ADVANCES | 2016年 / 6卷 / 50期
关键词：
MESOPOROUS CARBONS; ETHANOL OXIDATION; PLATINUM CATALYST; PERFORMANCE; NANORODS; PD; ELECTROCATALYSTS; METHANOL; PT/C; SN/C;
D O I：
10.1039/c5ra27439g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, ordered porous carbon (OPC) prepared by a template method has been used as the catalyst support for cathodic oxygen reduction reaction (ORR) due to its large surface area and continuous structure. PtSn alloy nanoparticles with a size of 2.7 nm are deposited on OPC by using alcohol reduction method. The synergistic effect of Sn alloying and OPC support can not only modify the surface chemical states of Pt and Sn but also affect the d-band vacancy of Pt. The X-ray photoelectron spectroscopy and X-ray absorption near edge spectroscopy reveal that the oxidation of Pt is suppressed in PtSn/OPC, thus promoting the ORR performance before and after accelerated durability test.
引用
收藏
页码：44205 / 44211
页数：7
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