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240613s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202406093
|2 doi
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|a pubmed24n1495.xml
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|a DE-627
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|a eng
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|a Shao, Zhipeng
|e verfasserin
|4 aut
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|a In Situ Self-Reconfiguration Induced Multifunctional Triple-Gradient Artificial Interfacial Layer toward Long-Life Zn-Metal Anodes
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|c 2024
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 08.08.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Aqueous Zn-ion batteries featuring with intrinsic safety and low cost are highly desirable for large-scale energy storage, but the unstable Zn-metal anode resulting from uncontrollable dendrite growth and grievous hydrogen evolution reaction (HER) shortens their cycle life. Herein, a feasible in situ self-reconfiguration strategy is developed to generate triple-gradient poly(diallyldimethylammonium) bis(trifluoromethanesulfonyl)imide (PDDA-TFSI)-Zn5(OH)8Cl2·H2O-Sn (PT-ZHC-Sn) artificial layer. The resulting triple-gradient interface consists of the spherical top layer PT with cation confinement and H2O inhibition, the dense intermediate layer ZHC nanosheet with Zn2+ conduction and electron shielding, and the bottom layer Znophilic Sn metal. The well-designed triple-gradient artificial interfacial layer synergistically facilitates rapid Zn2+ diffusion to regulate uniform Zn deposition and accelerates the desolvation process while suppressing HER. Consequently, the PT-ZHC-SnZn symmetric cell achieves an ultralong lifespan over 6500 h at 0.5 mA cm-2 for 0.5 mAh cm-2. Furthermore, a full battery coupling with MnO2 cathode exhibits a 17.2% increase in capacity retention compared with bare Zn anode after 1000 cycles. The in situ self-reconfiguration strategy is also applied to prepare triple-gradient PT-ZHC-In, and the assembled Zn//Cu cell operates steadily for over 8400 h while maintaining Coulombic efficiency of 99.6%. This work paves the way to designing multicomponent gradient interface for stable Zn-metal anodes
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|a Journal Article
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|a dendrite‐free Zn anodes
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|a interface coating
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|a rapid Zn‐ion transport
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|a self‐reconfiguration
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|a triple‐gradient interface
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|a Lin, Lin
|e verfasserin
|4 aut
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|a Zhuang, Wubin
|e verfasserin
|4 aut
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|a Liu, Shizhuo
|e verfasserin
|4 aut
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|a Yang, Peng
|e verfasserin
|4 aut
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|a Zhu, Kaiping
|e verfasserin
|4 aut
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|a Li, Chaowei
|e verfasserin
|4 aut
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|a Guo, Gengde
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|4 aut
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|a Wang, Wenhui
|e verfasserin
|4 aut
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|a Zhang, Qichong
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|a Yao, Yagang
|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 36(2024), 32 vom: 01. Aug., Seite e2406093
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:32
|g day:01
|g month:08
|g pages:e2406093
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|u http://dx.doi.org/10.1002/adma.202406093
|3 Volltext
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