Effect of the Composition and Structure of Pt(Cu)/C Electrocatalysts on Their Stability under Different Stress Test Conditions
Тип публикации: Journal Article
Дата публикации: 2018-11-01
scimago Q4
wos Q4
БС3
SJR: 0.236
CiteScore: 1.9
Impact factor: 0.8
ISSN: 10231935, 16083342
Electrochemistry
Краткое описание
Stability is one of the most important characteristics of electrocatalysts used in low-temperature fuel cells with a proton exchange membrane. The corrosion-morphological stability of supported electrocatalysts containing platinum and platinum-copper nanoparticles with ~20 wt % Pt was evaluated under the conditions of voltammetry stress testing corresponding to different degradation mechanisms. The effect of the difference in the architecture of Pt–Cu nanoparticles on the stability of catalysts and changes in their composition as a result of stress tests were studied. At close values of the electrochemically active surface area (ECAS), the carbon-supported bimetallic catalysts demonstrated significantly higher stability compared to the commercial Pt/C catalysts. The Pt(Cu)/C catalyst obtained by sequential deposition of copper and platinum showed the highest resistance to the degradation and selective dissolution of copper during the testing.
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Moguchikh E. A. et al. Effect of the Composition and Structure of Pt(Cu)/C Electrocatalysts on Their Stability under Different Stress Test Conditions // Russian Journal of Electrochemistry. 2018. Vol. 54. No. 11. pp. 979-989.
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Moguchikh E. A., Alekseenko A. A., Guterman V. E., Novikovsky N. M., Tabachkova, N. Y., Menshchikov V. S. Effect of the Composition and Structure of Pt(Cu)/C Electrocatalysts on Their Stability under Different Stress Test Conditions // Russian Journal of Electrochemistry. 2018. Vol. 54. No. 11. pp. 979-989.
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TY - JOUR
DO - 10.1134/S102319351813030X
UR - https://doi.org/10.1134/S102319351813030X
TI - Effect of the Composition and Structure of Pt(Cu)/C Electrocatalysts on Their Stability under Different Stress Test Conditions
T2 - Russian Journal of Electrochemistry
AU - Moguchikh, E A
AU - Alekseenko, A A
AU - Guterman, V E
AU - Novikovsky, N M
AU - Tabachkova,, N. Yu.
AU - Menshchikov, V S
PY - 2018
DA - 2018/11/01
PB - Pleiades Publishing
SP - 979-989
IS - 11
VL - 54
SN - 1023-1935
SN - 1608-3342
ER -
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@article{2018_Moguchikh,
author = {E A Moguchikh and A A Alekseenko and V E Guterman and N M Novikovsky and N. Yu. Tabachkova, and V S Menshchikov},
title = {Effect of the Composition and Structure of Pt(Cu)/C Electrocatalysts on Their Stability under Different Stress Test Conditions},
journal = {Russian Journal of Electrochemistry},
year = {2018},
volume = {54},
publisher = {Pleiades Publishing},
month = {nov},
url = {https://doi.org/10.1134/S102319351813030X},
number = {11},
pages = {979--989},
doi = {10.1134/S102319351813030X}
}
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Moguchikh, E. A., et al. “Effect of the Composition and Structure of Pt(Cu)/C Electrocatalysts on Their Stability under Different Stress Test Conditions.” Russian Journal of Electrochemistry, vol. 54, no. 11, Nov. 2018, pp. 979-989. https://doi.org/10.1134/S102319351813030X.