The DOI matches its Crossref record; 15 of the 15 references it cites were found in a registry or an index.
Ultrasmall Ru/Cu‐doped RuO2 Complex Embedded in Amorphous Carbon Skeleton as Highly Active Bifunctional Electrocatalysts for Overall Water Splitting
Abstract
Developing highly active electrocatalysts with superior durability for both the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) in the same electrolyte is a grand challenge to realize the practical application of electrolysis water for producing hydrogen. In this work, an ultrasmall Ru/Cu‐doped RuO 2 complex embedded in an amorphous carbon skeleton is synthesized, through thermolysis of Ru‐modified Cu‐1,3,5‐benzenetricarboxylic acid (BTC), as a highly efficient bifunctional catalyst for overall water splitting electrocatalysis. The ultrasmall Ru nanoparticles in the complex expose more activity sites for hydrogen evolution and outperform the commercial Pt/C. Meanwhile, the ultrasmall RuO 2 nanoparticles exhibit superior oxygen evolution performance over commercial RuO 2, and the doping of Cu into the ultrasmall RuO 2 nanoparticles further enhances the oxygen evolution performance of the catalyst. The outstanding OER and decent HER catalytic activity endow the complex with impressive overall water splitting performance superior to that of the state‐of‐the‐art electrocatalysts, which just require 1.47 and 1.67 V to achieve a current density of 10 mA cm−2 and 100 mA cm−2. The density functional theory calculations reveal that a Cu dopant could effectively tailor the d‐band center, thereby tuning electronic structure of Ru activity sites on the RuO 2 (110) plane and ultimately improving the OER performance of RuO 2.
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Cites
Noble metal-free hydrogen evolution catalysts for water splitting
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An efficient and pH-universal ruthenium-based catalyst for the hydrogen evolution reaction
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Cited by
Recent Advances and Prospective in Ruthenium-Based Materials for Electrochemical Water Splitting
Yu, J., He, Q., Yang, G., Zhou, W., Shao, Z., & Ni, M. (2019) · ACS Catalysis · doi:10.1021/acscatal.9b02457 · Cited by 789
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Self-citationRu-doped 3D flower-like bimetallic phosphide with a climbing effect on overall water splitting
Chen, D., Lu, R., Pu, Z., Zhu, J., Li, H.-W., Liu, F., Hu, S., Luo, X., Wu, J., Zhao, Y., et al. (2020) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2020.119396 · Cited by 400
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Metadata
- Authors
- Yang, K., Xu, P., Lin, Z., Yang, Y., Jiang, P., Wang, C., Liu, S., Gong, S., Hu, L., & Chen, Q.
- Venue
- Small
- Publisher
- Wiley
- Published
- 2018-09-14
- Volume
- 14
- Issue
- 41
- Pages
- e1803009-e1803009
- ISSN
- 1613-6810 (ISSN-L)
- 1613-6829
- OpenAlex
- W2889878495
- Cited by
- 201
- References
- 15
- FWCI
- 5.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yang, K., Xu, P., Lin, Z., Yang, Y., Jiang, P., Wang, C., Liu, S., Gong, S., Hu, L., & Chen, Q. (2018). Ultrasmall Ru/Cu‐doped RuO2 Complex Embedded in Amorphous Carbon Skeleton as Highly Active Bifunctional Electrocatalysts for Overall Water Splitting. Small. https://doi.org/10.1002/smll.201803009
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