The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Synergistic Mn-Co catalyst outperforms Pt on high-rate oxygen reduction for alkaline polymer electrolyte fuel cells
Open accessAbstract
Alkaline polymer electrolyte fuel cells are a class of fuel cells that enable the use of non-precious metal catalysts, particularly for the oxygen reduction reaction at the cathode. While there have been alternative materials exhibiting Pt-comparable activity in alkaline solutions, to the best of our knowledge none have outperformed Pt in fuel-cell tests. Here we report a Mn-Co spinel cathode that can deliver greater power, at high current densities, than a Pt cathode. The power density of the cell employing the Mn-Co cathode reaches 1.1 W cm−2 at 2.5 A cm−2 at 60 o C. Moreover, this catalyst outperforms Pt at low humidity. In-depth characterization reveals that the remarkable performance originates from synergistic effects where the Mn sites bind O 2 and the Co sites activate H 2 O, so as to facilitate the proton-coupled electron transfer processes. Such an electrocatalytic synergy is pivotal to the high-rate oxygen reduction, particularly under water depletion/low humidity conditions.
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Cites
Combining theory and experiment in electrocatalysis: Insights into materials design
Seh, Z. W., Kibsgaard, J., Dickens, C. F., Chorkendorff, I., Nørskov, J. K., & Jaramillo, T. F. (2017) · Science · doi:10.1126/science.aad4998 · Cited by 12,114
Electrocatalyst approaches and challenges for automotive fuel cells
Debe, M. K. (2012) · Nature · doi:10.1038/nature11115 · Cited by 5,885
Toward the rational design of non-precious transition metal oxides for oxygen electrocatalysis
Hong, W. T., Risch, M., Stoerzinger, K. A., Grimaud, A., Suntivich, J., & Shao-Horn, Y. (2015) · Energy & Environmental Science · doi:10.1039/c4ee03869j · Cited by 2,089
Anion-exchange membranes in electrochemical energy systems
Varcoe, J. R., Atanassov, P., Dekel, D. R., Herring, A. M., Hickner, M. A., Kohl, P. A., Kucernak, A. R., Mustain, W. E., Nijmeijer, K., Scott, K., et al. (2014) · Energy Environ. Sci. · doi:10.1039/c4ee01303d · Cited by 2,051
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Durability 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
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
Self-citationAnion exchange polyelectrolytes for membranes and ionomers
Chen, N., & Lee, Y. M. (2021) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2020.101345 · Cited by 445
Highly Selective Reduction of CO2 to C2+ Hydrocarbons at Copper/Polyaniline Interfaces
Wei, X., Yin, Z., Lyu, K., Li, Z., Gong, J., Wang, G., Xiao, L., Lu, J., & Zhuang, L. (2020) · ACS Catalysis · doi:10.1021/acscatal.0c00049 · Cited by 373
Self-citationAnalysis of the limitations in the oxygen reduction activity of transition metal oxide surfaces
Li, H., Kelly, S., Guevarra, D., Wang, Z., Wang, Y., Haber, J. A., Anand, M., Gunasooriya, G. T. K. K., Abraham, C. S., Vijay, S., et al. (2021) · Nature Catalysis · doi:10.1038/s41929-021-00618-w · Cited by 341
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Metadata
- Authors
- Wang, Y., Yang, Y., Jia, S., Wang, X., Lyu, K., Peng, Y., Zheng, H., Wei, X., Ren, H., Xiao, L., Wang, J., Muller, D. A., Abruña, H. D., Hwang, B. J., Lu, J., & Zhuang, L.
- Venue
- Nature Communications
- Published
- 2019-04-03
- Volume
- 10
- Issue
- 1
- Pages
- 1506-1506
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2930426546
- Cited by
- 338
- References
- 4
- FWCI
- 8.86
- Type
- journal article
- Language
- en
- Open access
- gold
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- Wang, Y., Yang, Y., Jia, S., Wang, X., Lyu, K., Peng, Y., Zheng, H., Wei, X., Ren, H., Xiao, L., Wang, J., Muller, D. A., Abruña, H. D., Hwang, B. J., Lu, J., & Zhuang, L. (2019). Synergistic Mn-Co catalyst outperforms Pt on high-rate oxygen reduction for alkaline polymer electrolyte fuel cells. Nature Communications. https://doi.org/10.1038/s41467-019-09503-4
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