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Catalysts, volume 11, issue 9, pages 1063

Influence of ptcu/c catalysts composition on electrochemical characteristics of polymer electrolyte fuel cell and properties of proton exchange membrane

Publication typeJournal Article
Publication date2021-08-31
Journal: Catalysts
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.9
ISSN20734344
Catalysis
Physical and Theoretical Chemistry
Abstract

The present work aimed to investigate the influence of “weakly bound“ copper dissolution from the surface of bimetallic PtCux/C catalysts on the properties of proton exchange membrane and the membrane electrode assembly (MEA) in general. A number of PtCux/C materials have been obtained by the simultaneous reduction in copper and platinum precursors in the course of liquid-phase synthesis with a varying ratio of metals from PtCu2.0/C to PtCu0.3/C. All bimetallic PtCux/C electrocatalysts after the activation stage exhibit high activity in the oxygen electroreduction reaction. The PtCux/C catalysts in “as prepared” state were tested in MEA. The increase in Cu content in PtCux/C catalysts led to a decrease in current density of MEA while its resistance was almost independent of the Cu fraction in the catalyst. The membrane saturation degree by Cu2+-ions after MEA testing did not exceed 40%, even in the case of the PtCu2.0/C material. The main reason for the degradation of membrane electrode assembly with PtCux/C materials is the transport limitation caused by the contamination of Nafion in three catalytic layer by “weakly bound” copper ions.

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GOST Copy
Falina I. et al. Influence of ptcu/c catalysts composition on electrochemical characteristics of polymer electrolyte fuel cell and properties of proton exchange membrane // Catalysts. 2021. Vol. 11. No. 9. p. 1063.
GOST all authors (up to 50) Copy
Falina I., Pavlets A., Alekseenko A. A., Titskaya E., Kononenko N. Influence of ptcu/c catalysts composition on electrochemical characteristics of polymer electrolyte fuel cell and properties of proton exchange membrane // Catalysts. 2021. Vol. 11. No. 9. p. 1063.
RIS |
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RIS Copy
TY - JOUR
DO - 10.3390/catal11091063
UR - https://doi.org/10.3390%2Fcatal11091063
TI - Influence of ptcu/c catalysts composition on electrochemical characteristics of polymer electrolyte fuel cell and properties of proton exchange membrane
T2 - Catalysts
AU - Falina, Irina
AU - Titskaya, Ekaterina
AU - Kononenko, Natalia
AU - Pavlets, Angelina
AU - Alekseenko, A. A.
PY - 2021
DA - 2021/08/31 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1063
IS - 9
VL - 11
SN - 2073-4344
ER -
BibTex |
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BibTex Copy
@article{2021_Falina
author = {Irina Falina and Ekaterina Titskaya and Natalia Kononenko and Angelina Pavlets and A. A. Alekseenko},
title = {Influence of ptcu/c catalysts composition on electrochemical characteristics of polymer electrolyte fuel cell and properties of proton exchange membrane},
journal = {Catalysts},
year = {2021},
volume = {11},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {aug},
url = {https://doi.org/10.3390%2Fcatal11091063},
number = {9},
pages = {1063},
doi = {10.3390/catal11091063}
}
MLA
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MLA Copy
Falina, Irina, et al. “Influence of ptcu/c catalysts composition on electrochemical characteristics of polymer electrolyte fuel cell and properties of proton exchange membrane.” Catalysts, vol. 11, no. 9, Aug. 2021, p. 1063. https://doi.org/10.3390%2Fcatal11091063.
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