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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202206963
|2 doi
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|a pubmed24n1152.xml
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|a DE-627
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|a eng
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1 |
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|a Hao, Junnan
|e verfasserin
|4 aut
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|a Triple-Function Electrolyte Regulation toward Advanced Aqueous Zn-Ion Batteries
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 04.11.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a The poor Zn reversibility has been criticized for limiting applications of aqueous Zn-ion batteries (ZIBs); however, its behavior in aqueous media is not fully uncovered yet. Here, this knowledge gap is addressed, indicating that Zn electrodes face a O2 -involving corrosion, besides H2 evolution and dendrite growth. Differing from aqueous Li/Na batteries, removing O2 cannot enhance ZIB performance because of the aggravated competing H2 evolution. To address Zn issues, a one-off electrolyte strategy is reported by introducing the triple-function C3 H7 Na2 O6 P, which can take effects during the shelf time of battery. It regulates H+ concentration and reduces free-water activity, inhibiting H2 evolution. A self-healing solid/electrolyte interphase (SEI) can be triggered before battery operation, which suppresses O2 adsorption corrosion and dendritic deposition. Consequently, a high Zn reversibility of 99.6% is achieved under a high discharge depth of 85%. The pouch full-cell with a lean electrolyte displays a record lifespan with capacity retention of 95.5% after 500 cycles. This study not only looks deeply into Zn behavior in aqueous media but also underscores rules for the design of active metal anodes, including Zn and Li metals, during shelf time toward real applications
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|a Journal Article
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|a O2 adsorption corrosion
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|a aqueous batteries
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|a electrolyte modification
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4 |
|a self-healing ability
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1 |
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|a Yuan, Libei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Yilong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jaroniec, Mietek
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qiao, Shi-Zhang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 44 vom: 26. Nov., Seite e2206963
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:44
|g day:26
|g month:11
|g pages:e2206963
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202206963
|3 Volltext
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