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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202304426
|2 doi
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|a eng
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| 100 |
1 |
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|a Zhu, Jiacai
|e verfasserin
|4 aut
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| 245 |
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4 |
|a The Construction of Binary Phase Electrolyte Interface for Highly Stable Zinc Anodes
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 18.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Metal zinc is a promising anode candidate of aqueous zinc-ion batteries due to high theoretical capacity, low cost, and high safety. However, it often suffers from hydrogen evolution reaction (HER), dendrite growth, and formation of by-products. Herein, a triethyl phosphate (TEP)/H2 O binary phase electrolyte (BPE) interface is developed by introducing TEP-based electrolyte-wetted hydrophobic polypropylene (PP) separator onto the Zn anode surface. The equilibrium of the BPE interface depends on the comparable surface tensions of H2 O-based and TEP-based electrolytes on hydrophobic PP separator surfaces. The BPE interface induces Zn2+ solvation structure conversion from [Zn(H2 O)x ]2+ to [Zn(TEP)n (H2 O)y ]2+ , where most solvated H2 O molecules are removed. In [Zn(TEP)n (H2 O)y ]2+ , the residual H2 O molecules can be further constrained by the formation of H bonds between TEP and H2 O molecules. Consequently, the ionization of solvated H2 O molecules is effectively suppressed, and HER and by-products are effectively restricted on Zn anode surfaces in BPE. As a result, Zn anodes exhibit a high Coulombic efficiency of 99.12% and superior cycling performance of 6000 h, which is much higher than the case in single-phase aqueous electrolytes. To illustrate the feasibility of BPE in full cells, the Zn/Alx V2 O5 batteries are assembled based on the BPE and exhibited enhanced cycling performance
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|a Journal Article
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|a Zn anodes
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|a aqueous batteries
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|a binary phase electrolytes
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| 650 |
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4 |
|a interfaces
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| 700 |
1 |
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|a Yang, Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yao, Minjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Niu, Zhiqiang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 3 vom: 18. Jan., Seite e2304426
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:3
|g day:18
|g month:01
|g pages:e2304426
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|u http://dx.doi.org/10.1002/adma.202304426
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