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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202210419
|2 doi
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|a pubmed24n1186.xml
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|a (NLM)37094185
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|a DE-627
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|a eng
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| 100 |
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|a Jiang, Zhen
|e verfasserin
|4 aut
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|a Ultra-Soft Organogel Artificial Muscles Exhibiting High Power Density, Large Stroke, Fast Response and Long-Term Durability in Air
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|c 2023
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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 20.07.2023
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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 Polymeric gel-based artificial muscles exhibiting tissue-matched Young's modulus (10 Pa-1 MPa) promise to be core components in future soft machines with inherently safe human-machine interactions. However, the ability to simultaneously generate fast, large, high-power, and long-lasting actuation in the open-air environment, has yet been demonstrated in this class of ultra-soft materials. Herein, to overcome this hurdle, the design and synthesis of a twisted and coiled liquid crystalline glycerol-organogel (TCLCG) is reported. Such material with a low Young's modulus of 133 kPa can surpass the actuation performance of skeletal muscles in a variety of aspects, including actuation strain (66%), actuation rate (275% s-1 ), power density (438 kW m-3 ), and work capacity (105 kJ m-3 ). Notably, its power density is 14 times higher than the record of state-of-the-art polymeric gels. No actuation performance degradation is detected in the TCLCG even after air exposure for 7 days, owing to the excellent water retention ability enabled by glycerol as co-solvent with water. Using TCLCG, mobile soft robots with extraordinary maneuverability in unstructured environments are successfully demonstrated, including a crawler showing fast bidirectional locomotion (0.50 mm s-1 ) in a small-confined space, and a roller that can escape after deep burying in sand
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|a Journal Article
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|a aza-Michael addition
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|a coiled artificial muscles
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|a soft materials
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|a soft robotics
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|a stimuli-responsive gels
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|a Abbasi, Burhan Bin Asghar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Aloko, Sinmisola
|e verfasserin
|4 aut
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|a Mokhtari, Fatemeh
|e verfasserin
|4 aut
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| 700 |
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|a Spinks, Geoffrey M
|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), 29 vom: 24. Juli, Seite e2210419
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:29
|g day:24
|g month:07
|g pages:e2210419
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|u http://dx.doi.org/10.1002/adma.202210419
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