The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Alloying–realloying enabled high durability for Pt–Pd-3d-transition metal nanoparticle fuel cell catalysts
Open accessAbstract
Alloying noble metals with non-noble metals enables high activity while reducing the cost of electrocatalysts in fuel cells. However, under fuel cell operating conditions, state-of-the-art oxygen reduction reaction alloy catalysts either feature high atomic percentages of noble metals (>70%) with limited durability or show poor durability when lower percentages of noble metals (<50%) are used. Here, we demonstrate a highly-durable alloy catalyst derived by alloying PtPd (<50%) with 3d-transition metals (Cu, Ni or Co) in ternary compositions. The origin of the high durability is probed by in-situ/operando high-energy synchrotron X-ray diffraction coupled with pair distribution function analysis of atomic phase structures and strains, revealing an important role of realloying in the compressively-strained single-phase alloy state despite the occurrence of dealloying. The implication of the finding, a striking departure from previous perceptions of phase-segregated noble metal skin or complete dealloying of non-noble metals, is the fulfilling of the promise of alloy catalysts for mass commercialization of fuel cells.
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Cites
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Self-citation
Cited by
Subnanometer high-entropy alloy nanowires enable remarkable hydrogen oxidation catalysis
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Surface engineering for stable electrocatalysis
Do, V.-H., & Lee, J.-M. (2024) · Chemical Society Reviews · doi:10.1039/d3cs00292f · Cited by 167
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Metadata
- Authors
- Wu, Z.-P., Caracciolo, D. T., Maswadeh, Y., Wen, J., Kong, Z., Shan, S., Vargas, J. A., Yan, S., Hopkins, E., Park, K., Sharma, A., Ren, Y., Petkov, V., Wang, L., & Zhong, C.-J.
- Venue
- Nature Communications
- Published
- 2021-02-08
- Volume
- 12
- Issue
- 1
- Pages
- 859-859
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W3114661508
- Cited by
- 275
- References
- 10
- FWCI
- 8.79
- Type
- journal article
- Language
- en
- Open access
- gold
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- Wu, Z.-P., Caracciolo, D. T., Maswadeh, Y., Wen, J., Kong, Z., Shan, S., Vargas, J. A., Yan, S., Hopkins, E., Park, K., Sharma, A., Ren, Y., Petkov, V., Wang, L., & Zhong, C.-J. (2021). Alloying–realloying enabled high durability for Pt–Pd-3d-transition metal nanoparticle fuel cell catalysts. Nature Communications. https://doi.org/10.1038/s41467-021-21017-6
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