The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.
Crystallinity Dependence of Ruthenium Nanocatalyst toward Hydrogen Evolution Reaction
Abstract
The development of highly active and durable inexpensive electrocatalysts for hydrogen evolution reaction (HER) is still a formidable challenge. Herein, an ordered hexagonal-closed-packed (hcp)-Ru nanocrystal coated with a thin layer of N-doped carbon (hcp-Ru@NC) was fabricated through the thermal annealing of polydopamine (PDA)-coated Ru nanoparticle (RuNP@PDA). As an alternative to Pt/C catalyst, the hcp-Ru@NC nanocatalyst exhibited the small overpotential of 27.5 mV at a current density of 10 mA cm –2, as well as long-term stability for HER in acid media. Interestingly, the HER performance of hcp-Ru is highly dependent on its crystallinity. The calculation from density functional theory (DFT) revealed that the difference in HER activity over various exposed surface causes the crystallinity-dependent property of hcp-Ru. The results provided clues to guide the design of Ru-based inexpensive HER electrocatalyst.
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Cites
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Recent Advances and Prospective in Ruthenium-Based Materials for Electrochemical Water Splitting
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Engineering Ruthenium-Based Electrocatalysts for Effective Hydrogen Evolution Reaction
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Metadata
- Authors
- Li, Y., Zhang, L. A., Qin, Y., Chu, F., Kong, Y., Tao, Y., Li, Y., Bu, Y., Ding, D., & Liu, M.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-05-22
- Volume
- 8
- Issue
- 7
- Pages
- 5714-5720
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2803665293
- Cited by
- 219
- References
- 14
- FWCI
- 5.60
- Type
- journal article
- Language
- en
- Open access
- closed
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