Приказ основних података о документу
Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance
dc.creator | Brković, Snežana M. | |
dc.creator | Nikolić, Vladimir M. | |
dc.creator | Marčeta Kaninski, Milica | |
dc.creator | Pašti, Igor A. | |
dc.date.accessioned | 2019-07-01T08:57:09Z | |
dc.date.available | 2019-07-01T08:57:09Z | |
dc.date.issued | 2019 | |
dc.identifier.issn | 0360-3199 | |
dc.identifier.issn | 1879-3487 | |
dc.identifier.uri | https://linkinghub.elsevier.com/retrieve/pii/S0360319919313576 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/8150 | |
dc.description.abstract | Hydrogen Oxidation Reaction (HOR) is anode reaction in Proton exchange membrane fuel cells (PEMFCs) and it has very fast kinetics. However, the purity of fuel (H 2 ) is very important and can slow down HOR kinetics, affecting the overall PEMFC performance. The performance of commercial Pt/C catalyst impregnated with WO x, as a catalyst for HOR, was investigated using a set of electrochemical methods (cyclic voltammetry, linear scan voltammetry and rotating disk electrode voltammetry). In order to deepen the understanding how WO x species can contribute CO tolerance of Pt/C, a particular attention was paid to CO poisoning. In the absence of CO, HOR is under diffusion limitations and HOR kinetics is not affected by WO x species. Appreciable HOR current on the electrodes pre-saturated with CO ads at potentials above 0.3 V vs. RHE, which is not observed for pure Pt/C, was discussed in details. HOR liming diffusion currents for higher concentrations of W are reached at high anodic potentials. The obtained results were explained by donation of OH ads by WO x phase for CO ads removal in the mid potential region and reduced reactivity of Pt surface sites in the vicinity of the Pt|WO x interface. The obtained results can provide guidelines for development of novel CO tolerant PEMFC anode catalysts. © 2019 Hydrogen Energy Publications LLC | en |
dc.language.iso | en | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172045/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45014/RS// | |
dc.rights | restrictedAccess | |
dc.source | International Journal of Hydrogen Energy | |
dc.subject | Pt/C catalysts | en |
dc.subject | Tungsten oxide | en |
dc.subject | CO tolerance | en |
dc.subject | Hydrogen oxidation reaction | en |
dc.subject | PEMFC | en |
dc.title | Pt/C catalyst impregnated with tungsten-oxide – Hydrogen oxidation reaction vs. CO tolerance | en |
dc.type | article | en |
dc.rights.license | ARR | |
dcterms.abstract | Пашти, Игор A.; Марчета Канински, Милица; Брковић, Снежана М.; Николић, Владимир М.; | |
dc.citation.volume | 44 | |
dc.citation.issue | 26 | |
dc.citation.spage | 13364 | |
dc.citation.epage | 13372 | |
dc.identifier.wos | 000470051300043 | |
dc.identifier.doi | 10.1016/j.ijhydene.2019.03.270 | |
dc.citation.rank | M21 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85064432544 |
Документи
Овај документ се појављује у следећим колекцијама
-
Radovi istraživača
Researchers' publications