Amaral, Luis

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  • Amaral, Luis (1)
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Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X

Vasić, Milica M.; Čebela, Maria; Pašti, Igor A.; Amaral, Luis; Hercigonja, Radmila V.; Santos, Diogo M. F.; Šljukić, Biljana

(2018)

TY  - JOUR
AU  - Vasić, Milica M.
AU  - Čebela, Maria
AU  - Pašti, Igor A.
AU  - Amaral, Luis
AU  - Hercigonja, Radmila V.
AU  - Santos, Diogo M. F.
AU  - Šljukić, Biljana
PY  - 2018
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1943
AB  - Palladium ion-exchanged zeolite X (PdX) was prepared by zeolite impregnation with palladium acetylacetonate, followed by thermal degradation of the salt. PdX was characterised using SEM-EDS, ICP-OES and XRD. Analysis revealed presence of 7.78 wt.% of Pd in the form of PdO. Subsequently, PdX was tested for hydrogen evolution reaction (HER) in alkaline medium using linear scan voltammetry, chronoamperometry and electrochemical impedance spectroscopy measurements. The influence of addition of carbon black on the materials catalytic performance was also investigated. The HER kinetic parameters, including Tafel slope, exchange current density and activation energy, were determined. In order to provide atomic-level insights, experimental results were complemented by density functional theory calculations. It is suggested that favourable hydrogen adsorption energetics on PdO is responsible for efficient HER catalysis by this novel electrocatalyst. (c) 2017 Elsevier Ltd. All rights reserved.
T2  - Electrochimica Acta
T1  - Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X
VL  - 259
SP  - 882
EP  - 892
DO  - 10.1016/j.electacta.2017.11.020
ER  - 
@article{
author = "Vasić, Milica M. and Čebela, Maria and Pašti, Igor A. and Amaral, Luis and Hercigonja, Radmila V. and Santos, Diogo M. F. and Šljukić, Biljana",
year = "2018",
abstract = "Palladium ion-exchanged zeolite X (PdX) was prepared by zeolite impregnation with palladium acetylacetonate, followed by thermal degradation of the salt. PdX was characterised using SEM-EDS, ICP-OES and XRD. Analysis revealed presence of 7.78 wt.% of Pd in the form of PdO. Subsequently, PdX was tested for hydrogen evolution reaction (HER) in alkaline medium using linear scan voltammetry, chronoamperometry and electrochemical impedance spectroscopy measurements. The influence of addition of carbon black on the materials catalytic performance was also investigated. The HER kinetic parameters, including Tafel slope, exchange current density and activation energy, were determined. In order to provide atomic-level insights, experimental results were complemented by density functional theory calculations. It is suggested that favourable hydrogen adsorption energetics on PdO is responsible for efficient HER catalysis by this novel electrocatalyst. (c) 2017 Elsevier Ltd. All rights reserved.",
journal = "Electrochimica Acta",
title = "Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X",
volume = "259",
pages = "882-892",
doi = "10.1016/j.electacta.2017.11.020"
}
Vasić, M. M., Čebela, M., Pašti, I. A., Amaral, L., Hercigonja, R. V., Santos, D. M. F.,& Šljukić, B.. (2018). Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X. in Electrochimica Acta, 259, 882-892.
https://doi.org/10.1016/j.electacta.2017.11.020
Vasić MM, Čebela M, Pašti IA, Amaral L, Hercigonja RV, Santos DMF, Šljukić B. Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X. in Electrochimica Acta. 2018;259:882-892.
doi:10.1016/j.electacta.2017.11.020 .
Vasić, Milica M., Čebela, Maria, Pašti, Igor A., Amaral, Luis, Hercigonja, Radmila V., Santos, Diogo M. F., Šljukić, Biljana, "Efficient hydrogen evolution electrocatalysis in alkaline medium using Pd-modified zeolite X" in Electrochimica Acta, 259 (2018):882-892,
https://doi.org/10.1016/j.electacta.2017.11.020 . .
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