Electro-catalysis of carbon black or titanium sub-oxide supported Pd-Gd towards formic acid electro-oxidation
He, Nan1,2; Qin, Chuanguang2; Wang, Rumin2; Ma, Shuhui1; Wang, Yi1; Qi, Tao1
2016
发表期刊RSC ADVANCES
ISSN2046-2069
卷号6期号:73页码:68989-68996
摘要

Carbon black supported Pd-Gd catalysts (Pd-xGd/C, x is weight percent in catalyst) with different amounts of Gd were prepared by a simultaneous reduction reaction with sodium borohydride in aqueous solution. The structure, morphology and element valence state of these catalysts were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS), respectively. The electro-catalytic performance of these catalysts for formic acid oxidation was investigated using cyclic voltammetry (CV), chronoamperometry (CA) and CO stripping experiments. It is found that the Pd-2.5Gd/C catalyst has a better electro-catalytic activity than the Pd/C catalyst, which can be explained by a bi-functional mechanism. In addition, the higher content of metallic Pd caused by the addition of Gd also contributes to the better catalytic activity of Pd-2.5Gd/C. Based on the good electro-catalytic performance of the Pd-2.5Gd/C, Pd-xGd/Ti4O7 (x stands for weight percentage in whole catalyst) catalysts were also prepared and characterized in the same way. The Pd-2.5Gd/Ti4O7 and Pd-4Gd/Ti4O7 catalysts exhibited better catalytic activities than the Pd-2.5Gd/C catalyst, which mainly results from the further increase of metallic Pd caused by Ti4O7.

文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c6ra13097f
收录类别SCI
语种英语
关键词[WOS]FUEL-CELLS ; ELECTROCATALYTIC ACTIVITY ; GOLD NANOPARTICLES ; ALLOY CATALYSTS ; OXIDATION ; METHANOL ; ETHANOL ; NANOTUBES ; STABILITY ; MEDIA
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者One Hundred Talent Program of Chinese Academy of Sciences ; 973 Program(2015CB251303)
WOS记录号WOS:000381512600049
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21282
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Northwestern Polytech Univ, Sch Nat & Appl Sci, Xian 710072, Peoples R China
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He, Nan,Qin, Chuanguang,Wang, Rumin,et al. Electro-catalysis of carbon black or titanium sub-oxide supported Pd-Gd towards formic acid electro-oxidation[J]. RSC ADVANCES,2016,6(73):68989-68996.
APA He, Nan,Qin, Chuanguang,Wang, Rumin,Ma, Shuhui,Wang, Yi,&Qi, Tao.(2016).Electro-catalysis of carbon black or titanium sub-oxide supported Pd-Gd towards formic acid electro-oxidation.RSC ADVANCES,6(73),68989-68996.
MLA He, Nan,et al."Electro-catalysis of carbon black or titanium sub-oxide supported Pd-Gd towards formic acid electro-oxidation".RSC ADVANCES 6.73(2016):68989-68996.
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