The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Engineering of Coordination Environment and Multiscale Structure in Single-Site Copper Catalyst for Superior Electrocatalytic Oxygen Reduction
Abstract
Herein, we report efficient single copper atom catalysts that consist of dense atomic Cu sites dispersed on a three-dimensional carbon matrix with highly enhanced mesoporous structures and improved active site accessibility (Cu-SA/NC(meso)). The ratio of +1 to +2 oxidation state of the Cu sites in the Cu-SA/NC(meso) catalysts can be controlled by varying the urea content in the adsorption precursor, and the activity for ORR increases with the addition of Cu 1+ sites. The optimal Cu 1+ -SA/NC(meso)-7 catalyst with highly accessible Cu 1+ sites exhibits superior ORR activity in alkaline media with a half-wave potential ( E 1/2 ) of 0.898 V vs RHE, significantly exceeding the commercial Pt/C, along with high durability and enhanced methanol tolerance. Control experiments and theoretical calculations demonstrate that the superior ORR catalytic performance of Cu 1+ -SA/NC(meso)-7 catalyst is attributed to the atomically dispersed Cu 1+ sites in catalyzing the reaction and the advantage of the introduced mesoporous structure in enhancing the mass transport.
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Citations
Cites
Recent advancements in Pt and Pt-free catalysts for oxygen reduction reaction
Nie, Y., Li, L., & Wei, Z. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00484a · Cited by 2,156
Cited by
Chen, Y., Gao, R., Ji, S., Li, H., Tang, K., Jiang, P., Hu, H., Zhang, Z., Hao, H., Qu, Q., et al. (2021) · Angewandte Chemie International Edition · doi:10.1002/anie.202012798 · Cited by 650
Self-citationDesign concept for electrocatalysts
Wang, Y., Zheng, X., & Wang, D. (2022) · Nano Research · doi:10.1007/s12274-021-3794-0 · Cited by 549
Self-citationUnderstanding the structure-performance relationship of active sites at atomic scale
Li, R., & Wang, D. (2022) · Nano Research · doi:10.1007/s12274-022-4371-x · Cited by 537
Self-citationYang, J., Liu, W., Xu, M., Liu, X., Qi, H., Zhang, L., Yang, X., Niu, S., Zhou, D., Liu, Y., et al. (2021) · Journal of the American Chemical Society · doi:10.1021/jacs.1c03788 · Cited by 512
Su, P., Pei, W., Wang, X., Ma, Y., Jiang, Q., Liang, J., Zhou, S., Zhao, J., Liu, J., & Lu, G. Q. (. (2021) · Angewandte Chemie International Edition · doi:10.1002/anie.202103557 · Cited by 464
Metadata
- Authors
- Sun, T., Li, Y., Cui, T., Xu, L., Wang, Y.-G., Chen, W., Zhang, P., Zheng, T., Fu, X., Zhang, S., Zhang, Z., Wang, D., & Li, Y.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2020-07-22
- Volume
- 20
- Issue
- 8
- Pages
- 6206-6214
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W3044119397
- Cited by
- 224
- References
- 1
- FWCI
- 8.19
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sun, T., Li, Y., Cui, T., Xu, L., Wang, Y.-G., Chen, W., Zhang, P., Zheng, T., Fu, X., Zhang, S., Zhang, Z., Wang, D., & Li, Y. (2020). Engineering of Coordination Environment and Multiscale Structure in Single-Site Copper Catalyst for Superior Electrocatalytic Oxygen Reduction. Nano Letters. https://doi.org/10.1021/acs.nanolett.0c02677
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