Lović, J. D.

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Electrodeposited AgPd alloy coatings as efficient catalysts for the ethanol oxidation reaction

Lović, J. D.; Elezović, Nevenka; Jović, Borka; Zabinski, Piotr; Gajić-Krstajić, Ljiljana; Jović, Vladimir

(Elsevier, 2018) 

TY  - JOUR
AU  - Lović, J. D.
AU  - Elezović, Nevenka
AU  - Jović, Borka
AU  - Zabinski, Piotr
AU  - Gajić-Krstajić, Ljiljana
AU  - Jović, Vladimir
PY  - 2018
UR  - https://dais.sanu.ac.rs/123456789/4076
AB  - The Pd and three AgPd alloy layers (AgPd1, AgPd2 and AgPd3) were electrodeposited onto Au disc electrodes from the solution containing high concentration of chloride ions (>12 M). All coatings were investigated by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), anodic linear sweep voltammetry (ALSV), while their surface composition was investigated by X-ray photoelectron spectroscopy (XPS). The AgPd1 and AgPd2 samples were electrodeposited at different constant current densities (−0.178 mA cm−2 and -0.415 mA cm−2 respectively) to the charge of −0.2 C cm−2 (thickness ∼ 0.18 μm) at a stationary disc electrode, while the sample AgPd3 was electrodeposited to the charge of −3.0 C cm−2 (thickness ∼ 2.8 μm) at a constant current density of −7.0 mA cm−2 under the conditions of convective diffusion. Samples AgPd1 and AgPd2 had similar morphologies of low roughness, while the morphology of AgPd3 was characterized by large crystals and higher roughness. The most active and the most poisoning tolerant coatings for ethanol oxidation reaction (EOR) are the AgPd3 and AgPd1 alloy samples, containing 72.6 at.% Ag – 27.4 at.% Pd and 84.7 at.% Ag – 15.2 at.% Pd respectively (XPS analysis). In this study, we demonstrated for the first time that the activity for the EOR at AgPd alloys was closely related to the amount of non-reduced Ag2O (most probably as Ag – hydroxide). Accordingly, all AgPd alloy samples had to be cycled in the potential region of Ag2O formation and reduction before the investigation of the EOR, in order to provide their catalytic activity towards the EOR. © 2018 Hydrogen Energy Publications LLC
PB  - Elsevier
T2  - International Journal of Hydrogen Energy
T1  - Electrodeposited AgPd alloy coatings as efficient catalysts for the ethanol oxidation reaction
SP  - 18498
EP  - 18508
VL  - 43
IS  - 39
DO  - 10.1016/j.ijhydene.2018.08.056
UR  - https://hdl.handle.net/21.15107/rcub_dais_4076
ER  - 
@article{
author = "Lović, J. D. and Elezović, Nevenka and Jović, Borka and Zabinski, Piotr and Gajić-Krstajić, Ljiljana and Jović, Vladimir",
year = "2018",
abstract = "The Pd and three AgPd alloy layers (AgPd1, AgPd2 and AgPd3) were electrodeposited onto Au disc electrodes from the solution containing high concentration of chloride ions (>12 M). All coatings were investigated by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), anodic linear sweep voltammetry (ALSV), while their surface composition was investigated by X-ray photoelectron spectroscopy (XPS). The AgPd1 and AgPd2 samples were electrodeposited at different constant current densities (−0.178 mA cm−2 and -0.415 mA cm−2 respectively) to the charge of −0.2 C cm−2 (thickness ∼ 0.18 μm) at a stationary disc electrode, while the sample AgPd3 was electrodeposited to the charge of −3.0 C cm−2 (thickness ∼ 2.8 μm) at a constant current density of −7.0 mA cm−2 under the conditions of convective diffusion. Samples AgPd1 and AgPd2 had similar morphologies of low roughness, while the morphology of AgPd3 was characterized by large crystals and higher roughness. The most active and the most poisoning tolerant coatings for ethanol oxidation reaction (EOR) are the AgPd3 and AgPd1 alloy samples, containing 72.6 at.% Ag – 27.4 at.% Pd and 84.7 at.% Ag – 15.2 at.% Pd respectively (XPS analysis). In this study, we demonstrated for the first time that the activity for the EOR at AgPd alloys was closely related to the amount of non-reduced Ag2O (most probably as Ag – hydroxide). Accordingly, all AgPd alloy samples had to be cycled in the potential region of Ag2O formation and reduction before the investigation of the EOR, in order to provide their catalytic activity towards the EOR. © 2018 Hydrogen Energy Publications LLC",
publisher = "Elsevier",
journal = "International Journal of Hydrogen Energy",
title = "Electrodeposited AgPd alloy coatings as efficient catalysts for the ethanol oxidation reaction",
pages = "18498-18508",
volume = "43",
number = "39",
doi = "10.1016/j.ijhydene.2018.08.056",
url = "https://hdl.handle.net/21.15107/rcub_dais_4076"
}
Lović, J. D., Elezović, N., Jović, B., Zabinski, P., Gajić-Krstajić, L.,& Jović, V.. (2018). Electrodeposited AgPd alloy coatings as efficient catalysts for the ethanol oxidation reaction. in International Journal of Hydrogen Energy
Elsevier., 43(39), 18498-18508.
https://doi.org/10.1016/j.ijhydene.2018.08.056
https://hdl.handle.net/21.15107/rcub_dais_4076
Lović JD, Elezović N, Jović B, Zabinski P, Gajić-Krstajić L, Jović V. Electrodeposited AgPd alloy coatings as efficient catalysts for the ethanol oxidation reaction. in International Journal of Hydrogen Energy. 2018;43(39):18498-18508.
doi:10.1016/j.ijhydene.2018.08.056
https://hdl.handle.net/21.15107/rcub_dais_4076 .
Lović, J. D., Elezović, Nevenka, Jović, Borka, Zabinski, Piotr, Gajić-Krstajić, Ljiljana, Jović, Vladimir, "Electrodeposited AgPd alloy coatings as efficient catalysts for the ethanol oxidation reaction" in International Journal of Hydrogen Energy, 43, no. 39 (2018):18498-18508,
https://doi.org/10.1016/j.ijhydene.2018.08.056 .,
https://hdl.handle.net/21.15107/rcub_dais_4076 .
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8
12

Supporting information for the article: Lović, J.D., N.R. Elezović, B.M. Jović, P. Zabinski, L. Gajić-Krstajić, and V.D. Jović. 2018. “Electrodeposited AgPd Alloy Coatings as Efficient Catalysts for the Ethanol Oxidation Reaction.” International Journal of Hydrogen Energy 43 (39): 18498–508. https://doi.org/10.1016/j.ijhydene.2018.08.056

Lović, J. D.; Elezović, Nevenka; Jović, Borka; Zabinski, Piotr; Gajić-Krstajić, Ljiljana; Jović, Vladimir

(2018) 

TY  - DATA
AU  - Lović, J. D.
AU  - Elezović, Nevenka
AU  - Jović, Borka
AU  - Zabinski, Piotr
AU  - Gajić-Krstajić, Ljiljana
AU  - Jović, Vladimir
PY  - 2018
UR  - https://dais.sanu.ac.rs/123456789/4082
T2  - International Journal of Hydrogen Energy
T2  - International Journal of Hydrogen Energy
T1  - Supporting information for the article:    Lović, J.D., N.R. Elezović, B.M. Jović, P. Zabinski, L. Gajić-Krstajić, and V.D. Jović. 2018. “Electrodeposited AgPd Alloy Coatings as Efficient Catalysts for the Ethanol Oxidation Reaction.” International Journal of Hydrogen Energy 43 (39): 18498–508. https://doi.org/10.1016/j.ijhydene.2018.08.056
VL  - 43
IS  - 39
UR  - https://hdl.handle.net/21.15107/rcub_dais_4082
ER  - 
@misc{
author = "Lović, J. D. and Elezović, Nevenka and Jović, Borka and Zabinski, Piotr and Gajić-Krstajić, Ljiljana and Jović, Vladimir",
year = "2018",
journal = "International Journal of Hydrogen Energy, International Journal of Hydrogen Energy",
title = "Supporting information for the article:    Lović, J.D., N.R. Elezović, B.M. Jović, P. Zabinski, L. Gajić-Krstajić, and V.D. Jović. 2018. “Electrodeposited AgPd Alloy Coatings as Efficient Catalysts for the Ethanol Oxidation Reaction.” International Journal of Hydrogen Energy 43 (39): 18498–508. https://doi.org/10.1016/j.ijhydene.2018.08.056",
volume = "43",
number = "39",
url = "https://hdl.handle.net/21.15107/rcub_dais_4082"
}
Lović, J. D., Elezović, N., Jović, B., Zabinski, P., Gajić-Krstajić, L.,& Jović, V.. (2018). Supporting information for the article:    Lović, J.D., N.R. Elezović, B.M. Jović, P. Zabinski, L. Gajić-Krstajić, and V.D. Jović. 2018. “Electrodeposited AgPd Alloy Coatings as Efficient Catalysts for the Ethanol Oxidation Reaction.” International Journal of Hydrogen Energy 43 (39): 18498–508. https://doi.org/10.1016/j.ijhydene.2018.08.056. in International Journal of Hydrogen Energy, 43(39).
https://hdl.handle.net/21.15107/rcub_dais_4082
Lović JD, Elezović N, Jović B, Zabinski P, Gajić-Krstajić L, Jović V. Supporting information for the article:    Lović, J.D., N.R. Elezović, B.M. Jović, P. Zabinski, L. Gajić-Krstajić, and V.D. Jović. 2018. “Electrodeposited AgPd Alloy Coatings as Efficient Catalysts for the Ethanol Oxidation Reaction.” International Journal of Hydrogen Energy 43 (39): 18498–508. https://doi.org/10.1016/j.ijhydene.2018.08.056. in International Journal of Hydrogen Energy. 2018;43(39).
https://hdl.handle.net/21.15107/rcub_dais_4082 .
Lović, J. D., Elezović, Nevenka, Jović, Borka, Zabinski, Piotr, Gajić-Krstajić, Ljiljana, Jović, Vladimir, "Supporting information for the article:    Lović, J.D., N.R. Elezović, B.M. Jović, P. Zabinski, L. Gajić-Krstajić, and V.D. Jović. 2018. “Electrodeposited AgPd Alloy Coatings as Efficient Catalysts for the Ethanol Oxidation Reaction.” International Journal of Hydrogen Energy 43 (39): 18498–508. https://doi.org/10.1016/j.ijhydene.2018.08.056" in International Journal of Hydrogen Energy, 43, no. 39 (2018),
https://hdl.handle.net/21.15107/rcub_dais_4082 .