The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Understanding H2 Evolution Electrochemistry to Minimize Solvated Water Impact on Zinc‐Anode Performance
Open accessAbstract
H 2 evolution is the reason for poor reversibility and limited cycle stability with Zn‐metal anodes, and impedes practical application in aqueous zinc‐ion batteries (AZIBs). Here, using a combined gas chromatography experiment and computation, it is demonstrated that H 2 evolution primarily originates from solvated water, rather than free water without interaction with Zn 2+. Using linear sweep voltammetry (LSV) in salt electrolytes, H 2 evolution is evidenced to occur at a more negative potential than zinc reduction because of the high overpotential against H 2 evolution on Zn metal. The hypothesis is tested and, using a glycine additive to reduce solvated water, it is confirmed that H 2 evolution and “parasitic” side reactions are suppressed on the Zn anode. This electrolyte additive is evidenced to suppress H 2 evolution, reduce corrosion, and give a uniform Zn deposition in Zn|Zn and Zn|Cu cells. It is demonstrated that Zn|PANI (highly conductive polyaniline) full cells exhibit boosted electrochemical performance in 1 M ZnSO 4–3 M glycine electrolyte. It is concluded that this new understanding of electrochemistry of H 2 evolution can be used for design of relatively low‐cost and safe AZIBs for practical large‐scale energy storage.
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Cites
“Water-in-salt” electrolyte enables high-voltage aqueous lithium-ion chemistries
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In situ Raman spectroscopy reveals the structure and dissociation of interfacial water
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Self-citationSolvation Structure Design for Aqueous Zn Metal Batteries
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Self-citationFluorinated interphase enables reversible aqueous zinc battery chemistries
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Modulating electrolyte structure for ultralow temperature aqueous zinc batteries
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Cited by
Tian, C., Wang, J., Sun, R., Ali, T., Wang, H., Xie, B., Zhong, Y., & Hu, Y. (2023) · Angewandte Chemie International Edition · doi:10.1002/anie.202310970 · Cited by 281
Metadata
- Authors
- Yang, F., Yuwono, J. A., Hao, J., Long, J., Yuan, L., Wang, Y., Liu, S., Fan, Y., Zhao, S., Davey, K., & Guo, Z.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2022-10-17
- Volume
- 34
- Issue
- 45
- Pages
- e2206754-e2206754
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W4297855505
- Cited by
- 366
- References
- 33
- FWCI
- 19.94
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Yang, F., Yuwono, J. A., Hao, J., Long, J., Yuan, L., Wang, Y., Liu, S., Fan, Y., Zhao, S., Davey, K., & Guo, Z. (2022). Understanding H2 Evolution Electrochemistry to Minimize Solvated Water Impact on Zinc‐Anode Performance. Advanced Materials. https://doi.org/10.1002/adma.202206754
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