Electrochemical Evaluation of Degradation Stability in Nanostructured Electrocatalysts Based on SiO2-modified Carbon Supports for PEM Fuel Cell Cathodes
The degradation resistance of modified SiO2 carbon supports for electrocatalysts was evaluated using accelerated stress testing under model conditions. No direct correlations were found between the degradation resistance of the supports and that of the electrocatalysts based on them. The intensification of electrochemical corrosion processes is attributed to the presence of oxygen-containing groups in the silicon dioxide modifier on the carbon support surface. Conversely, electrocatalysts based on modified carbon supports exhibit an increase in electrochemically active surface area and degradation resistance by an average of 10‒25%.
Authors
- Dmitry D. Spasov (ORCID: https://orcid.org/0000-0003-3668-3184)
- Petr V. Dmitryakov (ORCID: https://orcid.org/0009-0006-7596-0489)
- Т. Д. Пацаев (ORCID: https://orcid.org/0000-0001-8736-8032)
- Nataliya A. Ivanova (ORCID: https://orcid.org/0000-0002-3533-4081)
- Ruslan M. Mensharapov (ORCID: https://orcid.org/0000-0002-1723-0190)
- Adelina A. Zasypkina (ORCID: https://orcid.org/0000-0001-8998-1033)
- N. V. Panchenko
- Darya E. Grineva (ORCID: https://orcid.org/0009-0000-7669-0763)
Institutions
- D. Mendeleyev University of Chemical Technology of Russia (RU)
- Moscow Power Engineering Institute (RU)
- Kurchatov Institute (RU)
- Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences (RU)
Publication Details
- Journal
- Nanobiotechnology Reports
- Published
- 2025-04-01
- DOI
- https://doi.org/10.1134/s2635167624602067
- Citations
- 1
- Primary Topic
- Fuel Cells and Related Materials
- Type
- article
- Field-Weighted Citation Impact
- 0.73