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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202209408
|2 doi
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|a pubmed24n1169.xml
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|a (NLM)36574632
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|a eng
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| 100 |
1 |
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|a Ohm, Yunsik
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Reconfigurable Electrical Networks within a Conductive Hydrogel Composite
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|c 2023
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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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|a Date Completed 06.04.2023
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|a Date Revised 06.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Soft materials that exhibit compliance, programmability, and reconfigurability can have a transformative impact as electronic skin for applications in wearable electronics/soft robotics. There has been significant progress in soft conductive materials; however, achieving electrically controlled and reversible changes in conductivity and circuit connectivity remains challenging. To overcome this limitation, a soft material architecture with reconfigurable conductive networks of silver flakes embedded within a hydrogel matrix is presented. The conductive networks can be reversibly created/disconnected through various stimuli, including current, humidity, or temperature. Such stimuli affect electrical connectivity of the hydrogel by controlling its water content, which can be modulated by evaporation under ambient conditions (passive dehydration), evaporation through electrical Joule heating (active dehydration), or absorption of additional water (rehydration). The resulting change in electrical conductivity is reversible and repeatable, endowing the composite with on-demand reconfigurable conductivity. To highlight this material's unique properties, it is shown that conductive traces can be reconfigured after severe damage and revert to lower conductivity after rehydration. Additionally, a quadruped robot is demonstrated that can respond to stimuli by changing direction following exposure to excess water, thereby achieving reprogrammable locomotion behaviors
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|a Journal Article
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|a conductive hydrogel composites
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|a reconfigurable conductors
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|a reversible conductive networks
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|a soft conductive materials
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1 |
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|a Liao, Jiahe
|e verfasserin
|4 aut
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1 |
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|a Luo, Yichi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ford, Michael J
|e verfasserin
|4 aut
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| 700 |
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|a Majidi, Carmel
|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 35(2023), 14 vom: 04. Apr., Seite e2209408
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:14
|g day:04
|g month:04
|g pages:e2209408
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|u http://dx.doi.org/10.1002/adma.202209408
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