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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201805536
|2 doi
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|a pubmed24n0967.xml
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|a (DE-627)NLM290205972
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|a (NLM)30387213
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Park, Sangbaek
|e verfasserin
|4 aut
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| 245 |
1 |
2 |
|a A Stretchable and Self-Healing Energy Storage Device Based on Mechanically and Electrically Restorative Liquid-Metal Particles and Carboxylated Polyurethane Composites
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|c 2019
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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 Completed 03.01.2019
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Stretchable and self-healing (SH) energy storage devices are indispensable elements in energy-autonomous electronic skin. However, the current collectors are not self-healable nor intrinsically stretchable, they mostly rely on strain-accommodating structures that require complex processing, are often limited in stretchability, and suffer from low device packing density and fragility. Here, an SH conductor comprising nickel flakes, eutectic gallium indium particles (EGaInPs), and carboxylated polyurethane (CPU) is presented. An energy storage device is constructed by the two SH electrodes assembled with graphene nanoplatelets sandwiching an ionic-liquid electrolyte. An excellent electrochemical healability (94% capacity retention upon restretching at 100% after healing from bifurcation) is unveiled, stemming from the complexation modulated redox behavior of EGaIn in the presence of the ligand bis(trifluoromethanesulfonyl)imide, which enhances the reversible Faradaic reaction of Ga. Self-healing can be achieved where the damaged regions are electrically restored by the flow of liquid metal and mechanically healing activated by the interfacial hydrogen bonding of CPU with an efficiency of 97.5% can be achieved. The SH conductor has an initial conductivity of 2479 S cm-1 that attains a high stretchability with 700% strain, it restores 100% stretchability even after breaking/healing with the electrical healing efficiency of 75%
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|a Journal Article
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4 |
|a complexation
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|a eutectic gallium-indium
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|a hydrogen bonding
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|a ionic liquids
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|a supramolecular self-healing polymers
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1 |
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|a Thangavel, Gurunathan
|e verfasserin
|4 aut
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1 |
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|a Parida, Kaushik
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Shaohui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Pooi See
|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 31(2019), 1 vom: 10. Jan., Seite e1805536
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:31
|g year:2019
|g number:1
|g day:10
|g month:01
|g pages:e1805536
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201805536
|3 Volltext
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|d 31
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