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Electrocatalysis of titanium suboxide-supported Pt-Tb towards formic acid electrooxidation
Wang, Yi1; Zhao, Huiru1,2; Tang, Qinghu2; Zhang, Hui1; Li, Chang Ming3; Qi, Tao1
2016-01-21
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
Volume41Issue:3Pages:1568-1573
AbstractThe Pt-Tb catalysts supported titanium suboxide (Ti4O7) with different amounts of Tb were synthesized by a simple simultaneous reduction reaction with sodium borohydride in aqueous solution. The structure and morphology of the catalysts were characterized by X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX) and transmission electron microscopy (TEM), and element valence states were investigated by X-ray photoelectron spectroscopy (XPS). Electrochemical characterization techniques, including cyclic voltammetry (CV), chronoamperometry (CA) and CO stripping were used to analyse the electrochemical performance of these catalysts for formic acid oxidation. The results revealed that the Pt-2.5%Tb/Ti4O7 catalyst has a significantly higher activity than the Pt/Ti4O7 catalyst. According to CO stripping results, the promotive effect of Tb can be explained by a bifunctional mechanism. Additionally, the analysis for XPS spectra indicates that the higher content of metallic Pt caused by the addition of Tb also contributes to the better catalytic activity of Pt-2.5%Tb/Ti4O7. Copyright (c) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
KeywordPt-tb Catalyst Titanium Suboxide Formic Acid Electrooxidation Catalytic Activity Fuel Cell
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2015.11.056
Indexed BySCI
Language英语
WOS KeywordFUEL-CELLS ; METHANOL OXIDATION ; CARBON NANOTUBES ; CATALYSTS ; NANOPARTICLES ; GRAPHENE ; NANOCATALYSTS ; PERFORMANCE ; DEPOSITION ; REDUCTION
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
Funding OrganizationChinese Academy of Sciences ; 973 Program(2015CB251303)
WOS IDWOS:000369461500021
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20614
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Henan Normal Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Green Chem Media & React, Xinxiang 453007, Peoples R China
3.Southwest Univ, Inst Clean Energy & Adv Mat, Chongqing 400715, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yi,Zhao, Huiru,Tang, Qinghu,et al. Electrocatalysis of titanium suboxide-supported Pt-Tb towards formic acid electrooxidation[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016,41(3):1568-1573.
APA Wang, Yi,Zhao, Huiru,Tang, Qinghu,Zhang, Hui,Li, Chang Ming,&Qi, Tao.(2016).Electrocatalysis of titanium suboxide-supported Pt-Tb towards formic acid electrooxidation.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,41(3),1568-1573.
MLA Wang, Yi,et al."Electrocatalysis of titanium suboxide-supported Pt-Tb towards formic acid electrooxidation".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 41.3(2016):1568-1573.
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