The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Boosting Electrocatalytic Activity of Ru for Acidic Hydrogen Evolution through Hydrogen Spillover Strategy
Abstract
Pristine Ru generally shows unsatisfying activity for the electrocatalytic hydrogen evolution reaction (HER). How to activate its HER activity through facile methodologies is very challenging. Recently, metal-supported electrocatalysts integrating metals with efficient hydrogen adsorption and supports with facile hydrogen desorption delivered a high HER performance through a metal-to-support hydrogen spillover process, where the small metal–support work function difference (ΔΦ) was identified as the criterion for the successful interfacial hydrogen spillover. Herein, we demonstrate that a hydrogen spillover strategy significantly boosts the HER activity of Ru by depositing a Ru 1 Fe 1 alloy on CoP (Ru 1 Fe 1 /CoP) with a small ΔΦ of 0.05 eV. Experimentally, Ru 1 Fe 1 /CoP (0.7 wt % Ru loading) delivered a high Ru utilization activity of 139.8 A/mg Ru and a long-term durability in acid. Mechanism investigations authenticated that the small ΔΦ guaranteed the interfacial hydrogen spillover from Ru 1 Fe 1 with efficient hydrogen adsorption to CoP with facile hydrogen desorption and thereafter boosted the HER activity of Ru.
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Metadata
- Authors
- Li, J., Tan, Y., Zhang, M., Gou, W., Zhang, S., Ma, Y., Hu, J., & Qu, Y.
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2022-03-16
- Volume
- 7
- Issue
- 4
- Pages
- 1330-1337
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W4220832007
- Cited by
- 236
- References
- 12
- FWCI
- 8.11
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Funders
- China Postdoctoral Science Foundation (2018M640994, 2018T111034)
- Central University Basic Research Fund of China (D5000210601, D5000210651, D5000210829)
- National Natural Science Foundation of China (21872109)
- Natural Science Foundation of Shaanxi Province (2019JQ-486, 2020JM-039)
- Young talent Support project of Shannxi (20200601)
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- Li, J., Tan, Y., Zhang, M., Gou, W., Zhang, S., Ma, Y., Hu, J., & Qu, Y. (2022). Boosting Electrocatalytic Activity of Ru for Acidic Hydrogen Evolution through Hydrogen Spillover Strategy. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.1c02769
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