The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.
Stable and Highly Efficient Hydrogen Evolution from Seawater Enabled by an Unsaturated Nickel Surface Nitride
Abstract
Electrocatalytic production of hydrogen from seawater provides a route to low‐cost and clean energy conversion. However, the hydrogen evolution reaction (HER) using seawater is greatly hindered by the lack of active and stable catalysts. Herein, an unsaturated nickel surface nitride (Ni‐SN@C) catalyst that is active and stable for the HER in alkaline seawater is prepared. It achieves a low overpotential of 23 mV at a current density of 10 mA cm−2 in alkaline seawater electrolyte, which is superior to Pt/C. Compared to conventional transition metal nitrides or metal/metal nitride heterostructures, the Ni‐SN@C has no detectable bulk nickel nitride phase. Instead, unsaturated NiN bonding on the surface is present. In situ Raman measurements show that the Ni‐SN@C performs like Pt with the ability to generate hydronium ions in a high‐pH electrolyte. The catalyst operation is then demonstrated in a two‐electrode electrolyzer system, coupling with hydrazine oxidation at the anode. Using this system, a cell voltage of only 0.7 V is required to achieve a current density of 1 A cm−2.
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Cites
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Cited by
Bifunctional Electrocatalysts for Overall and Hybrid Water Splitting
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Self-citationRecent Advancements in Electrochemical Hydrogen Production via Hybrid Water Splitting
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Metadata
- Authors
- Jin, H., Wang, X., Tang, C., Vasileff, A., Li, L., Slattery, A., & Qiao, S.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2021-02-24
- Volume
- 33
- Issue
- 13
- Pages
- e2007508-e2007508
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W3133347875
- Cited by
- 538
- References
- 52
- FWCI
- 16.94
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jin, H., Wang, X., Tang, C., Vasileff, A., Li, L., Slattery, A., & Qiao, S. (2021). Stable and Highly Efficient Hydrogen Evolution from Seawater Enabled by an Unsaturated Nickel Surface Nitride. Advanced Materials. https://doi.org/10.1002/adma.202007508
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