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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202100943
|2 doi
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|a pubmed25n1087.xml
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|a (DE-627)NLM326247483
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|a (NLM)34076317
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Zhou, Minghong
|e verfasserin
|4 aut
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|a Ultrathin Yet Robust Single Lithium-Ion Conducting Quasi-Solid-State Polymer-Brush Electrolytes Enable Ultralong-Life and Dendrite-Free Lithium-Metal Batteries
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|c 2021
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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
|b cr
|2 rdacarrier
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|a Date Revised 22.07.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Quasi-solid-state polymer electrolytes are one of the most promising candidates for long-life lithium-metal batteries. However, introduction of plasticizers for high ion conductivity at room temperature inevitably gives rise to poor mechanical strength and requires a very thick electrolyte membrane, which is detrimental to safety and energy density of the batteries. Herein, inspired by tube brushes coupling hardness with softness, a novel superstructured polymer bottlebrush BC-g-PLiSTFSI-b-PEGM (BC = bacterial cellulose; PLiSTFSI = poly(lithium 4-styrenesulfonyl-(trifluoromethylsulfonyl) imide); PEGM = poly(diethylene glycol monomethyl ether methacrylate)) with a hard nanofibril backbone and soft functional polymer side-chains is reported as an effective strategy to well balance the mechanical strength and ion conductivity of quasi-solid-state polymer electrolytes. The resulting single lithium-ion conducting quasi-solid-state polymer-brush electrolytes (SLIC-QSPBEs) integrate the features of the ultrathin membrane thickness (10 µm), the nanofibril backbone-strengthened porous nanonetwork (Young's modulus = 1.9 GPa), and the high-rate single lithium-ion conducting diblock copolymer brushes. As a result, the ultrathin yet robust SLIC-QSPBEs enable ultralong-term (over 3300 h) reversible and stable lithium plating/stripping in Li/Li symmetrical cell at a current density of 1 mA cm-2 for lithium anode. This work affords a promising strategy to develop advanced electrolytes for solid-state lithium-metal batteries
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|a Journal Article
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|a ion conductivity
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|a lithium-metal batteries
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|a mechanical strength
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|a polymer brushes
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|a quasi-solid-state polymer electrolytes
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1 |
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|a Liu, Ruliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jia, Danyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Yin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Qiantong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Shaohong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Dingcai
|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 33(2021), 29 vom: 15. Juli, Seite e2100943
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:33
|g year:2021
|g number:29
|g day:15
|g month:07
|g pages:e2100943
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|u http://dx.doi.org/10.1002/adma.202100943
|3 Volltext
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