The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.
Lewis Acid-Mediated Interfacial Water Supply for Sustainable Proton Exchange Membrane Water Electrolysis
Abstract
The catalyst–electrolyte interface plays a crucial role in proton exchange membrane water electrolysis (PEMWE). However, optimizing the interfacial hydrogen bonding to enhance both catalytic activity and stability remains a significant challenge. Here, a novel catalyst design strategy is proposed based on the hard–soft acid–base principle, employing hard Lewis acids (LAs = ZrO 2, TiO 2, HfO 2 ) to mediate the reconfiguration of interfacial hydrogen bonding, thereby enhancing the acidic oxygen evolution reaction (OER) performance of RuO 2 . Mechanistic analysis indicates that LAs prompt a directional evolution from a rigid hydrogen bonding network to free water, enhancing the trapping of interfacial water on the RuO 2 surface, which continuously supplies reactants to the catalytic sites. Moreover, the interconnected hydrogen bonding network facilitates rapid proton transfer, reducing local acidity on the catalyst surface and preventing structural corrosion, thus significantly improving long-term stability. The tandem pathway of water supply and deprotonation transforms the dissolution mechanism of traditional Ru-based catalysts, emphasizing the widespread applicability. Consequently, ZrO 2 –RuO 2 displays a significantly reduced overpotential of 170 mV and exhibits high durability, sustaining 1800 h at 10 mA cm –2 under acidic OER, and maintains robust activity for 100 h at 2 A cm –2 in PEMWE, outperforming most Ru/Ir-based catalysts.
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Citations
Cites
In situ Raman spectroscopy reveals the structure and dissociation of interfacial water
Wang, Y.-H., Zheng, S., Yang, W.-M., Zhou, R.-Y., He, Q.-F., Radjenovic, P., Dong, J.-C., Li, S., Zheng, J., Yang, Z.-L., et al. (2021) · Nature · doi:10.1038/s41586-021-04068-z · Cited by 1,703
In-situ reconstructed Ru atom array on α-MnO2 with enhanced performance for acidic water oxidation
Lin, C., Li, J.-L., Li, X., Yang, S., Luo, W., Zhang, Y., Kim, S.-H., Kim, D.-H., Shinde, S. S., Li, Y.-F., et al. (2021) · Nature Catalysis · doi:10.1038/s41929-021-00703-0 · Cited by 1,222
Self-citationWu, Z.-Y., Chen, F.-Y., Li, B., Yu, S.-W., Finfrock, Y. Z., Meira, D. M., Yan, Q.-Q., Zhu, P., Chen, M.-X., Song, T.-W., et al. (2023) · Nature Materials · doi:10.1038/s41563-022-01380-5 · Cited by 1,004
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Self-citationChen, S., Huang, H., Jiang, P., Yang, K., Diao, J., Gong, S., Liu, S., Huang, M., Wang, H., & Chen, Q. (2020) · ACS Catalysis · doi:10.1021/acscatal.9b04922 · Cited by 574
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Self-citationWater-hydroxide trapping in cobalt tungstate for proton exchange membrane water electrolysis
Ram, R., Xia, L., Benzidi, H., Guha, A., Golovanova, V., Garzón Manjón, A., Llorens Rauret, D., Sanz Berman, P., Dimitropoulos, M., Mundet, B., et al. (2024) · Science · doi:10.1126/science.adk9849 · Cited by 489
Metadata
- Authors
- Deng, L., Chen, H., Hung, S.-F., Zhang, Y., Yu, H., Chen, H.-Y., Li, L., & Peng, S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2024-12-11
- Volume
- 146
- Issue
- 51
- Pages
- 35438-35448
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W4405275902
- Cited by
- 281
- References
- 54
- FWCI
- 18.57
- Type
- journal article
- Language
- en
- Open access
- closed
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- Deng, L., Chen, H., Hung, S.-F., Zhang, Y., Yu, H., Chen, H.-Y., Li, L., & Peng, S. (2024). Lewis Acid-Mediated Interfacial Water Supply for Sustainable Proton Exchange Membrane Water Electrolysis. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.4c14529
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