The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Accelerated Proton Transfer in Asymmetric Active Units for Sustainable Acidic Oxygen Evolution Reaction
Open accessAbstract
The poor durability of Ru-based catalysts limits the practical application in proton exchange membrane water electrolysis (PEMWE). Here, we report that the asymmetric active units in Ru 1– x M x O 2 (M = Sb, In, and Sn) binary solid solution oxides are constructed by introducing acid-resistant p-block metal sites, breaking the activity and stability limitations of RuO 2 in acidic oxygen evolution reaction (OER). Constructing highly asymmetric Ru–O–Sb units with a strong electron delocalization effect significantly shortens the spatial distance between Ru and Sb sites, improving the bonding strength of the overall structure. The unique two-electron redox couples at Sb sites in asymmetric active units trigger additional chemical steps at different OER stages, facilitating continuous proton transfer. The optimized Ru 0.8 Sb 0.2 O 2 solid solution requires a superlow overpotential of 160 mV at 10 mA cm –2 and a record-breaking stability of 1100 h in an acidic electrolyte. Notably, the scale-prepared Ru 0.8 Sb 0.2 O 2 achieves efficient PEMWE performance under industrial conditions. General mechanism analysis shows that the enhanced proton transport in the asymmetric Ru–O–M unit provides a new working pathway for acidic OER, breaking the scaling relationship without sacrificing stability.
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Citations
Cites
Liu, H., Zhang, Z., Fang, J., Li, M., Sendeku, M. G., Wang, X., Wu, H., Li, Y., Ge, J., Zhuang, Z., et al. (2023) · Joule · doi:10.1016/j.joule.2023.02.012 · Cited by 537
Spin‐Polarization Strategy for Enhanced Acidic Oxygen Evolution Activity
Li, L., Zhou, J., Wang, X., Gracia, J., Valvidares, M., Ke, J., Fang, M., Shen, C., Chen, J., Chang, Y., et al. (2023) · Advanced Materials · doi:10.1002/adma.202302966 · Cited by 159
Self-citationHou, L., Li, Z., Jang, H., wang, Y., Cui, X., Gu, X., Kim, M. G., Feng, L., Liu, S., & Liu, X. (2023) · Advanced Energy Materials · doi:10.1002/aenm.202300177 · Cited by 152
Self-citation
Cited by
Deng, L., Chen, H., Hung, S.-F., Zhang, Y., Yu, H., Chen, H.-Y., Li, L., & Peng, S. (2024) · Journal of the American Chemical Society · doi:10.1021/jacs.4c14529 · Cited by 281
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Metadata
- Authors
- Deng, L., Hung, S.-F., Liu, S., Zhao, S., Lin, Z.-Y., Zhang, C., Zhang, Y., Wang, A.-Y., Chen, H.-Y., Peng, J., Ma, R., Jiao, L., Hu, F., Li, L., & Peng, S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2024-08-07
- Volume
- 146
- Issue
- 33
- Pages
- 23146-23157
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W4401392192
- Cited by
- 177
- References
- 3
- FWCI
- 11.70
- Type
- journal article
- Language
- en
- Open access
- green
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- Deng, L., Hung, S.-F., Liu, S., Zhao, S., Lin, Z.-Y., Zhang, C., Zhang, Y., Wang, A.-Y., Chen, H.-Y., Peng, J., Ma, R., Jiao, L., Hu, F., Li, L., & Peng, S. (2024). Accelerated Proton Transfer in Asymmetric Active Units for Sustainable Acidic Oxygen Evolution Reaction. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.4c05070
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