The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.
Fe Stabilization by Intermetallic L10-FePt and Pt Catalysis Enhancement in L10-FePt/Pt Nanoparticles for Efficient Oxygen Reduction Reaction in Fuel Cells
Open accessAbstract
We report in this article a detailed study on how to stabilize a first-row transition metal (M) in an intermetallic L1 0 -MPt alloy nanoparticle (NP) structure and how to surround the L1 0 -MPt with an atomic layer of Pt to enhance the electrocatalysis of Pt for oxygen reduction reaction (ORR) in fuel cell operation conditions. Using 8 nm FePt NPs as an example, we demonstrate that Fe can be stabilized more efficiently in a core/shell structured L1 0 -FePt/Pt with a 5 Å Pt shell. The presence of Fe in the alloy core induces the desired compression of the thin Pt shell, especially the two atomic layers of Pt shell, further improving the ORR catalysis. This leads to much enhanced Pt catalysis for ORR in 0.1 M HClO 4 solution (at both room temperature and 60 °C) and in the membrane electrode assembly (MEA) at 80 °C. The L1 0 -FePt/Pt catalyst has a mass activity of 0.7 A/mg Pt from the half-cell ORR test and shows no obvious mass activity loss after 30 000 potential cycles between 0.6 and 0.95 V at 80 °C in the MEA, meeting the DOE 2020 target (<40% loss in mass activity). We are extending the concept and preparing other L1 0 -MPt/Pt NPs, such as L1 0 -CoPt/Pt NPs, with reduced NP size as a highly efficient ORR catalyst for automotive fuel cell applications.
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Cites
Trends in electrocatalysis on extended and nanoscale Pt-bimetallic alloy surfaces
Stamenkovic, V. R., Mun, B. S., Arenz, M., Mayrhofer, K. J. J., Lucas, C. A., Wang, G., Ross, P. N., & Markovic, N. M. (2007) · Nature Materials · doi:10.1038/nmat1840 · Cited by 3,252
Highly Crystalline Multimetallic Nanoframes with Three-Dimensional Electrocatalytic Surfaces
Chen, C., Kang, Y., Huo, Z., Zhu, Z., Huang, W., Xin, H. L., Snyder, J. D., Li, D., Herron, J. A., Mavrikakis, M., et al. (2014) · Science · doi:10.1126/science.1249061 · Cited by 2,765
Wang, D., Xin, H. L., Hovden, R., Wang, H., Yu, Y., Muller, D. A., DiSalvo, F. J., & Abruña, H. D. (2013) · Nature Materials · doi:10.1038/nmat3458 · Cited by 2,082
Ultrafine jagged platinum nanowires enable ultrahigh mass activity for the oxygen reduction reaction
Li, M., Zhao, Z., Cheng, T., Fortunelli, A., Chen, C.-Y., Yu, R., Zhang, Q., Gu, L., Merinov, B. V., Lin, Z., et al. (2016) · Science · doi:10.1126/science.aaf9050 · Cited by 1,605
Highly Durable and Active PtFe Nanocatalyst for Electrochemical Oxygen Reduction Reaction
Chung, D. Y., Jun, S. W., Yoon, G., Kwon, S. G., Shin, D. Y., Seo, P., Yoo, J. M., Shin, H., Chung, Y.-H., Kim, H., et al. (2015) · Journal of the American Chemical Society · doi:10.1021/jacs.5b09653 · Cited by 677
New Approach to Fully Ordered fct-FePt Nanoparticles for Much Enhanced Electrocatalysis in Acid
Li, Q., Wu, L., Wu, G., Su, D., Lv, H., Zhang, S., Zhu, W., Casimir, A., Zhu, H., Mendoza-Garcia, A., et al. (2015) · Nano Letters · doi:10.1021/acs.nanolett.5b00320 · Cited by 460
Self-citationDu, X. X., He, Y., Wang, X. X., & Wang, J. N. (2016) · Energy & Environmental Science · doi:10.1039/c6ee01204c · Cited by 209
Cited by
Sulfur-anchoring synthesis of platinum intermetallic nanoparticle catalysts for fuel cells
Yang, C.-L., Wang, L.-N., Yin, P., Liu, J., Chen, M.-X., Yan, Q.-Q., Wang, Z.-S., Xu, S.-L., Chu, S.-Q., Cui, C., et al. (2021) · Science · doi:10.1126/science.abj9980 · Cited by 908
Fan, J., Chen, M., Zhao, Z., Zhang, Z., Ye, S., Xu, S., Wang, H., & Li, H. (2021) · Nature Energy · doi:10.1038/s41560-021-00824-7 · Cited by 635
Hard-Magnet L10-CoPt Nanoparticles Advance Fuel Cell Catalysis
Li, J., Sharma, S., Liu, X., Pan, Y.-T., Spendelow, J. S., Chi, M., Jia, Y., Zhang, P., Cullen, D. A., Xi, Z., et al. (2019) · Joule · doi:10.1016/j.joule.2018.09.016 · Cited by 532
Self-citationGao, L., Li, X., Yao, Z., Bai, H., Lu, Y., Ma, C., Lu, S., Peng, Z., Yang, J., Pan, A., et al. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.9b07238 · Cited by 376
Intermetallic Nanoparticles: Synthetic Control and Their Enhanced Electrocatalysis
Li, J., & Sun, S. (2019) · Accounts of Chemical Research · doi:10.1021/acs.accounts.9b00172 · Cited by 354
Self-citation
Metadata
- Authors
- Li, J., Xi, Z., Pan, Y.-T., Spendelow, J. S., Duchesne, P. N., Su, D., Li, Q., Yu, C., Yin, Z., Shen, B., Kim, Y. S., Zhang, P., & Sun, S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-02-15
- Volume
- 140
- Issue
- 8
- Pages
- 2926-2932
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2788263206
- Cited by
- 441
- References
- 7
- FWCI
- 10.07
- Type
- journal article
- Language
- en
- Open access
- green
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