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Vanadium Nitride as an Efficient and Stable Promotor for Pd-Catalyzed Methanol Electrooxidation in Alkaline Media
Meng, Kai1,2; Zheng, Zhilin1; Jia, Zhijun1; Ma, Dan1,3; Liu, Lujing1; Wang, Yi1; Qi, Tao1
2018-08-31
Source PublicationCHEMISTRYSELECT
ISSN2365-6549
Volume3Issue:32Pages:9353-9360
Abstract

Pd/C electrocatalysts containing VN with different morphology (particles (Pd-VN(particles)/C) and plates (Pd-VN(plates)/C)) were prepared by a simple reduction with sodium borohydride and their electrocatalytic performance for methanol oxidation was investigated. The Pd-VN(particles)/C and Pd-VN(plates)/C performed better activity, stronger resistance to CO poisoning and higher stability for methanol oxidation compared with Pd/C by the measurements of cyclic voltammograms (CVs), CO stripping voltammetry and chronoamperometry (CA), respectively. The X-ray photoelectron spectroscopy (XPS), linear sweep voltammetry (LSV) and electrochemical impedance spectrums (EIS) tests were conducted for exploring the role of VN. It is found that the promotion effects of VN can be explained by a bifunctional mechanism and the increase in metallic Pd in electrocatalysts containing VN. Furthermore, the different promotive extents between the VN with different morphology are attributed to the differences of the crystallinity and contact situation of Pd and VN.

KeywordElectrocatalysts Methanol Oxidation Promotor Palladium Vanadium Nitride
DOI10.1002/slct.201801780
Language英语
WOS KeywordFormic-acid Electrooxidation ; Transition-metal Carbides ; Walled Carbon Nanotubes ; Alcohol Fuel-cells ; One-pot Synthesis ; Ethanol Oxidation ; Electrode Materials ; Titanium Suboxide ; Electrocatalysts ; Platinum
Funding ProjectKey Research Program of Frontier Sciences of Chinese Academy of Sciences[QYZDJ-SSW-JSC021] ; Chinese National Programs for High Technology Research and Development[2014AA06A513] ; 973 Program[2015CB251303]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationKey Research Program of Frontier Sciences of Chinese Academy of Sciences ; Chinese National Programs for High Technology Research and Development ; 973 Program
WOS IDWOS:000443225100024
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/25645
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Yi; Qi, Tao
Affiliation1.Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Northwestern Polytech Univ, Sch Nat & Appl Sci, Xian 710072, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Meng, Kai,Zheng, Zhilin,Jia, Zhijun,et al. Vanadium Nitride as an Efficient and Stable Promotor for Pd-Catalyzed Methanol Electrooxidation in Alkaline Media[J]. CHEMISTRYSELECT,2018,3(32):9353-9360.
APA Meng, Kai.,Zheng, Zhilin.,Jia, Zhijun.,Ma, Dan.,Liu, Lujing.,...&Qi, Tao.(2018).Vanadium Nitride as an Efficient and Stable Promotor for Pd-Catalyzed Methanol Electrooxidation in Alkaline Media.CHEMISTRYSELECT,3(32),9353-9360.
MLA Meng, Kai,et al."Vanadium Nitride as an Efficient and Stable Promotor for Pd-Catalyzed Methanol Electrooxidation in Alkaline Media".CHEMISTRYSELECT 3.32(2018):9353-9360.
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