The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.
Huge Instability of Pt/C Catalysts in Alkaline Medium
Open accessAbstract
The stability of carbon-supported electrocatalysts has been largely investigated in acidic electrolytes, but the literature is much scarcer regarding similar stability studies in alkaline medium. Herein, the degradation of Vulcan XC-72-supported platinum nanoparticles (noted Pt/C), a state-of-the-art proton exchange membrane fuel cell electrocatalyst, is investigated in alkaline medium by combining electrochemical measurements and identical location transmission electron microscopy; electrochemical surface area (ECSA) losses were bridged to electrocatalyst morphological changes. The results demonstrate that the degradation in 0.1 M NaOH at 25 °C is severe (60% of ECSA loss after only 150 cycles between 0.1 and 1.23 V vs RHE), which is about 3 times worse than in acidic media for this soft accelerated stress test. Severe carbon corrosion has been ruled out according to Raman spectroscopy and X-ray photoelectron spectroscopy measurements, and it seems that the chemistry of the carbon support (in particular, the interface (chemical bounding)) between the Pt nanoparticles and their carbon substrate does play a significant role in the observed degradations.
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Cites
Instability of Pt∕C Electrocatalysts in Proton Exchange Membrane Fuel Cells
Ferreira, P. J., la O’, G. J., Shao-Horn, Y., Morgan, D., Makharia, R., Kocha, S., & Gasteiger, H. A. (2005) · Journal of The Electrochemical Society · doi:10.1149/1.2050347 · Cited by 1,491
Instability of Supported Platinum Nanoparticles in Low-Temperature Fuel Cells
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A Comparative Study on Gold and Platinum Dissolution in Acidic and Alkaline Media
Cherevko, S., Zeradjanin, A. R., Keeley, G. P., & Mayrhofer, K. J. J. (2014) · Journal of The Electrochemical Society · doi:10.1149/2.0881412jes · Cited by 301
Castanheira, L., Dubau, L., Mermoux, M., Berthomé, G., Caqué, N., Rossinot, E., Chatenet, M., & Maillard, F. (2014) · ACS Catalysis · doi:10.1021/cs500449q · Cited by 280
Self-citationStability investigations of electrocatalysts on the nanoscale
Meier, J. C., Katsounaros, I., Galeano, C., Bongard, H. J., Topalov, A. A., Kostka, A., Karschin, A., Schüth, F., & Mayrhofer, K. J. J. (2012) · Energy & Environmental Science · doi:10.1039/c2ee22550f · Cited by 256
Detection of Pt[sup z+] Ions and Pt Nanoparticles Inside the Membrane of a Used PEMFC
Guilminot, E., Corcella, A., Charlot, F., Maillard, F., & Chatenet, M. (2007) · Journal of The Electrochemical Society · doi:10.1149/1.2388863 · Cited by 250
Self-citationMembrane and Active Layer Degradation upon PEMFC Steady-State Operation
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Self-citationDurst, J., Lamibrac, A., Charlot, F., Dillet, J., Castanheira, L. F., Maranzana, G., Dubau, L., Maillard, F., Chatenet, M., & Lottin, O. (2013) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2013.03.021 · Cited by 173
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Cited by
Chatenet, M., Pollet, B. G., Dekel, D. R., Dionigi, F., Deseure, J., Millet, P., Braatz, R. D., Bazant, M. Z., Eikerling, M., Staffell, I., et al. (2022) · Chemical Society Reviews · doi:10.1039/d0cs01079k · Cited by 2,025
Self-citationDurability challenges of anion exchange membrane fuel cells
Mustain, W. E., Chatenet, M., Page, M., & Kim, Y. S. (2020) · Energy & Environmental Science · doi:10.1039/d0ee01133a · Cited by 677
Self-citationXiao, F., Wang, Y., Wu, Z., Chen, G., Yang, F., Zhu, S., Siddharth, K., Kong, Z., Lu, A., Li, J., et al. (2021) · Advanced Materials · doi:10.1002/adma.202006292 · Cited by 614
Kweon, D. H., Okyay, M. S., Kim, S.-J., Jeon, J.-P., Noh, H.-J., Park, N., Mahmood, J., & Baek, J.-B. (2020) · Nature Communications · doi:10.1038/s41467-020-15069-3 · Cited by 546
Electrocatalysis in Alkaline Media and Alkaline Membrane-Based Energy Technologies
Yang, Y., Peltier, C. R., Zeng, R., Schimmenti, R., Li, Q., Huang, X., Yan, Z., Potsi, G., Selhorst, R., Lu, X., et al. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00331 · Cited by 544
Metadata
- Authors
- Zadick, A., Dubau, L., Sergent, N., Berthomé, G., & Chatenet, M.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-07-21
- Volume
- 5
- Issue
- 8
- Pages
- 4819-4824
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2514882193
- Cited by
- 422
- References
- 21
- FWCI
- 9.58
- Type
- journal article
- Language
- en
- Open access
- green
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