Open Access
Catalysts, volume 12, issue 10, pages 1179
Role of the Potential Range during Stress Testing of Platinum-Containing Electrocatalysts at Elevated Temperature
Gerasimova Irina
1
,
Belenov Sergey
1, 2
,
Lyanguzov Nikolai
3
,
Pankov I. V.
4
,
Tolstunov Mikhail
1
,
2
Prometheus R&D LLC, 4g/36 Zhmaylova St, 344091 Rostov-on-Don, Russia
|
Publication type: Journal Article
Publication date: 2022-10-06
Catalysis
Physical and Theoretical Chemistry
General Environmental Science
Abstract
The durability of low temperature proton exchange membrane fuel cell (PEMFC) catalysts crucially affects their lifetime. The choice of carbon support is important in terms of increasing the stability of catalysts. In this research, Pt/C samples were obtained using the polyol synthesis method on two types of carbon supports: the standard support, Vulcan XC-72, and carbon support with a high degree of graphitization, ECS-002402. One method for assessing structural characteristics is through transmission electron microscopy (TEM), according to which materials G1 and G2 showed an average nanoparticle size of 3.7 and 4.2 nm, respectively. On all catalysts, the oxygen reduction reaction proceeded according to the four electron mechanism. Durability was assessed by changes in ESA and activity in the ORR after 1000 cycles, with changes in the upper potential values: 0.7; 1.0; 1.2; and 1.4 V. After accelerated stress testing, the G1 material showed the greatest residual activity at a potential of 1.4 V (165 A/g (Pt). Based on the results of comparing various ADT protocols, the optimal mode of 0.4 and 1.4 V was chosen, and should be used for further studies comparing the durability of Pt/C catalysts.
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Multidisciplinary Digital Publishing Institute (MDPI)
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Gerasimova I. et al. Role of the Potential Range during Stress Testing of Platinum-Containing Electrocatalysts at Elevated Temperature // Catalysts. 2022. Vol. 12. No. 10. p. 1179.
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Gerasimova I., Belenov S., Lyanguzov N., Pankov I. V., Tolstunov M., Pavlets A. Role of the Potential Range during Stress Testing of Platinum-Containing Electrocatalysts at Elevated Temperature // Catalysts. 2022. Vol. 12. No. 10. p. 1179.
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TY - JOUR
DO - 10.3390/catal12101179
UR - https://doi.org/10.3390%2Fcatal12101179
TI - Role of the Potential Range during Stress Testing of Platinum-Containing Electrocatalysts at Elevated Temperature
T2 - Catalysts
AU - Gerasimova, Irina
AU - Belenov, Sergey
AU - Lyanguzov, Nikolai
AU - Pankov, I. V.
AU - Tolstunov, Mikhail
AU - Pavlets, Angelina
PY - 2022
DA - 2022/10/06 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1179
IS - 10
VL - 12
SN - 2073-4344
ER -
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@article{2022_Gerasimova,
author = {Irina Gerasimova and Sergey Belenov and Nikolai Lyanguzov and I. V. Pankov and Mikhail Tolstunov and Angelina Pavlets},
title = {Role of the Potential Range during Stress Testing of Platinum-Containing Electrocatalysts at Elevated Temperature},
journal = {Catalysts},
year = {2022},
volume = {12},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {oct},
url = {https://doi.org/10.3390%2Fcatal12101179},
number = {10},
pages = {1179},
doi = {10.3390/catal12101179}
}
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MLA
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Gerasimova, Irina, et al. “Role of the Potential Range during Stress Testing of Platinum-Containing Electrocatalysts at Elevated Temperature.” Catalysts, vol. 12, no. 10, Oct. 2022, p. 1179. https://doi.org/10.3390%2Fcatal12101179.