The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.
Dynamic rhenium dopant boosts ruthenium oxide for durable oxygen evolution
Open accessAbstract
Heteroatom-doping is a practical means to boost RuO 2 for acidic oxygen evolution reaction (OER). However, a major drawback is conventional dopants have static electron redistribution. Here, we report that Re dopants in Re 0.06 Ru 0.94 O 2 undergo a dynamic electron accepting-donating that adaptively boosts activity and stability, which is different from conventional dopants with static dopant electron redistribution. We show Re dopants during OER, (1) accept electrons at the on-site potential to activate Ru site, and (2) donate electrons back at large overpotential and prevent Ru dissolution. We confirm via in situ characterizations and first-principle computation that the dynamic electron-interaction between Re and Ru facilitates the adsorbate evolution mechanism and lowers adsorption energies for oxygen intermediates to boost activity and stability of Re 0.06 Ru 0.94 O 2. We demonstrate a high mass activity of 500 A g cata.−1 (7811 A g Re-Ru−1) and a high stability number of S-number = 4.0 × 10 6 n oxygen n Ru−1 to outperform most electrocatalysts. We conclude that dynamic dopants can be used to boost activity and stability of active sites and therefore guide the design of adaptive electrocatalysts for clean energy conversions.
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Cited by
Stability of electrocatalytic OER: from principle to application
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Valence Oscillation of Ru Active Sites for Efficient and Robust Acidic Water Oxidation
Deng, L., Hung, S., Lin, Z., Zhang, Y., Zhang, C., Hao, Y., Liu, S., Kuo, C., Chen, H., Peng, J., et al. (2023) · Advanced Materials · doi:10.1002/adma.202305939 · Cited by 308
Metadata
- Authors
- Jin, H., Liu, X., An, P., Tang, C., Yu, H., Zhang, Q., Peng, H.-J., Gu, L., Zheng, Y., Song, T., Davey, K., Paik, U., Dong, J., & Qiao, S.-Z.
- Venue
- Nature Communications
- Published
- 2023-01-21
- Volume
- 14
- Issue
- 1
- Pages
- 354-354
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W4317660916
- Cited by
- 409
- References
- 60
- FWCI
- 19.15
- Type
- journal article
- Language
- en
- Open access
- gold
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- Jin, H., Liu, X., An, P., Tang, C., Yu, H., Zhang, Q., Peng, H.-J., Gu, L., Zheng, Y., Song, T., Davey, K., Paik, U., Dong, J., & Qiao, S.-Z. (2023). Dynamic rhenium dopant boosts ruthenium oxide for durable oxygen evolution. Nature Communications. https://doi.org/10.1038/s41467-023-35913-6
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