The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Engineering Energy Level of Metal Center: Ru Single-Atom Site for Efficient and Durable Oxygen Reduction Catalysis
Abstract
Emerging as a new frontier in heterogeneous catalysis, single-atom site catalysts (SSCs) have sparked enormous attention and bring about new opportunities to oxygen reduction electrocatalysis. Despite considerable progress achieved recently, most of the reported SSCs suffer from either insufficient activity or unsatisfactory stability, which severely retards their practical application. Here, we demonstrate a novel Ru-SSC with appropriate adsorption free energy of OH* (Δ G OH* ) to confer excellent activity and low Fenton reactivity to maintain long-term stability. The as-developed Ru-SSC exhibits encouraging oxygen reduction reaction turnover frequency of 4.99 e – s –1 sites –1, far exceeding the state-of-the-art Fe-SSC counterpart (0.816 e – s –1 sites –1 ), as a result of Ru energy level regulation via spontaneous OH binding. Furthermore, Ru-SSC exhibits greatly suppressed Fenton reactivity, with restrained generation of reactive oxygen species directly observed, thus endowing the Ru-SSC with much more superior stability (only 17 mV negative shift after 20 000 cycles) than the Fe-SSC counterpart (31 mV). The practical application of Ru-SSC is further validated by its excellent activity and stability in a real fuel cell device.
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Cites
High-Performance Electrocatalysts for Oxygen Reduction Derived from Polyaniline, Iron, and Cobalt
Wu, G., More, K. L., Johnston, C. M., & Zelenay, P. (2011) · Science · doi:10.1126/science.1200832 · Cited by 3,984
PGM‐Free Cathode Catalysts for PEM Fuel Cells: A Mini‐Review on Stability Challenges
Shao, Y., Dodelet, J., Wu, G., & Zelenay, P. (2019) · Advanced Materials · doi:10.1002/adma.201807615 · Cited by 553
Cited by
Peng, L., Yang, J., Yang, Y., Qian, F., Wang, Q., Sun‐Waterhouse, D., Shang, L., Zhang, T., & Waterhouse, G. I. N. (2022) · Advanced Materials · doi:10.1002/adma.202202544 · Cited by 478
Jiang, K., Luo, M., Liu, Z., Peng, M., Chen, D., Lu, Y.-R., Chan, T.-S., de Groot, F. M. F., & Tan, Y. (2021) · Nature Communications · doi:10.1038/s41467-021-21956-0 · Cited by 411
Wei, X., Song, S., Cai, W., Luo, X., Jiao, L., Fang, Q., Wang, X., Wu, N., Luo, Z., Wang, H., et al. (2023) · Chem · doi:10.1016/j.chempr.2022.10.001 · Cited by 384
Self-citationInterfacial water engineering boosts neutral water reduction
Sun, K., Wu, X., Zhuang, Z., Liu, L., Fang, J., Zeng, L., Ma, J., Liu, S., Li, J., Dai, R., et al. (2022) · Nature Communications · doi:10.1038/s41467-022-33984-5 · Cited by 363
Xiao, M., Xing, Z., Jin, Z., Liu, C., Ge, J., Zhu, J., Wang, Y., Zhao, X., & Chen, Z. (2020) · Advanced Materials · doi:10.1002/adma.202004900 · Cited by 355
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Metadata
- Authors
- Xiao, M., Gao, L., Wang, Y., Wang, X., Zhu, J., Jin, Z., Liu, C., Chen, H., Li, G., Ge, J., He, Q., Wu, Z., Chen, Z., & Xing, W.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-11-25
- Volume
- 141
- Issue
- 50
- Pages
- 19800-19806
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2991030508
- Cited by
- 413
- References
- 2
- FWCI
- 10.36
- Type
- journal article
- Language
- en
- Open access
- closed
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- Xiao, M., Gao, L., Wang, Y., Wang, X., Zhu, J., Jin, Z., Liu, C., Chen, H., Li, G., Ge, J., He, Q., Wu, Z., Chen, Z., & Xing, W. (2019). Engineering Energy Level of Metal Center: Ru Single-Atom Site for Efficient and Durable Oxygen Reduction Catalysis. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.9b09234
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