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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202203104
|2 doi
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|a pubmed24n1142.xml
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|a (NLM)35765154
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|a DE-627
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|a eng
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|a Hu, Zhengqiang
|e verfasserin
|4 aut
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| 245 |
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|a A Self-Regulated Electrostatic Shielding Layer toward Dendrite-Free Zn Batteries
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|c 2022
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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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|a Date Revised 15.09.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Although aqueous Zn batteries have become a more sustainable alternative to lithium-ion batteries owing to their intrinsic security, their practical applications are limited by dendrite formation and hydrogen reactions. The first application of a rare earth metal type addition to Zn batteries, cerium chloride (CeCl3 ), as an effective, low-cost, and green electrolyte additive that facilitates the formation of a dynamic electrostatic shielding layer around the Zn protuberance to induce uniform Zn deposition is presented. After introducing CeCl3 additives, the electrochemical characterizations, in situ optical microscopy observation, in situ differential electrochemical mass spectrometry, along with density functional theory calculations, and finite element method simulations reveal resisted Zn dendritic growth and enhanced electrolyte stability. As a result, the Zn-Zn cells using the CeCl3 additive exhibit a long cycling stability of 2600 h at 2 mA cm-2 , an impressive cumulative areal capacity of 3.6 Ah cm-2 at 40 mA cm-2 , and a high Coulombic efficiency of ≈99.7%. The fact that the Zn-LiFePO4 cells with proposed electrolyte retain capacity significantly better than the additive-free case is even more exciting
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|a Journal Article
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|a Zn batteries
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|a Zn deposition regulation
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|a hydrogen evolution suppression
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| 650 |
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4 |
|a rare metal additives
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1 |
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|a Zhang, Fengling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Huirong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Yongxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Renjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Li
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 37 vom: 29. Sept., Seite e2203104
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:37
|g day:29
|g month:09
|g pages:e2203104
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|u http://dx.doi.org/10.1002/adma.202203104
|3 Volltext
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