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240726s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202405889
|2 doi
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|a pubmed24n1482.xml
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|a (DE-627)NLM375424296
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|a (NLM)39054923
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Guan, Kailin
|e verfasserin
|4 aut
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|a A Dual Salt/Dual Solvent Electrolyte Enables Ultrahigh Utilization of Zinc Metal Anode for Aqueous Batteries
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 26.07.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 Wiley‐VCH GmbH.
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|a Rechargeable aqueous zinc batteries are promising in next-generation sustainable energy storage. However, the low zinc (Zn) metal anode reversibility and utilization in aqueous electrolytes due to Zn corrosion and poor Zn2+ deposition kinetics significantly hinder the development of Zn-ion batteries. Here, a dual salt/dual solvent electrolyte composed of Zn(BF4)2/Zn(Ac)2 in water/TEGDME (tetraethylene glycol dimethyl ether) solvents to achieve reversible Zn anode at an ultrahigh depth of discharge (DOD) is developed. An "inner co-salt and outer co-solvent" synergistic effect in this unique dual salt/dual solvent system is revealed. Experimental results and theoretical calculations provide evidence that the ether co-solvent inhibits water activity by forming hydrogen bonding with the water and coordination effects with the proton in the outer Zn2+ solvation structure. Meanwhile, the anion of zinc acetate co-salt enters the inner Zn2+ solvation structure, thereby accelerating the desolvation kinetics. Strikingly, based on the electrolyte design, the zinc anode shows high reversibility at an ultrahigh utilization of 60% DOD with 99.80% Coulombic efficiency and 9.39 mAh cm-2 high capacity. The results far exceed the performance reported in electrolyte design work recently. The work provides fundamental insights into inner co-salt and outer co-solvent synergistic regulation in multifunctional electrolytes for reversible aqueous metal-ion batteries
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|a Journal Article
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|a aqueous zinc batteries
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|a dual salt/dual solvent electrolyte
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|a zinc anode
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|a zinc reversibility
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| 650 |
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4 |
|a zinc utilization
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| 700 |
1 |
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|a Chen, Wenshu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yunting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ye, Fei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hong, Ye
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gu, Qinfen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Yuping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Linfeng
|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 (2024) vom: 26. Juli, Seite e2405889
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g year:2024
|g day:26
|g month:07
|g pages:e2405889
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|u http://dx.doi.org/10.1002/adma.202405889
|3 Volltext
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|b 26
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|h e2405889
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