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Electrochemically Powered, Energy-Conserving Carbon Nanotube Artificial Muscles

Title
Electrochemically Powered, Energy-Conserving Carbon Nanotube Artificial Muscles
Author
김선정
Keywords
artificial muscles; carbon nanotubes; electrochemistry; energy conversion efficiency
Issue Date
2017-06
Publisher
WILEY-V C H VERLAG GMBH
Citation
ADVANCED MATERIALS, v. 29, no. 31, Article no. 1700870
Abstract
While artificial muscle yarns and fibers are potentially important for many applications, the combination of large strokes, high gravimetric work capacities, short cycle times, and high efficiencies are not realized for these fibers. This paper demonstrates here electrochemically powered carbon nanotube yarn muscles that provide tensile contraction as high as 16.5%, which is 12.7 times higher than previously obtained. These electrochemical muscles can deliver a contractile energy conversion efficiency of 5.4%, which is 4.1 times higher than reported for any organic-material-based artificial muscle. All-solid-state parallel muscles and braided muscles, which do not require a liquid electrolyte, provide tensile contractions of 11.6% and 5%, respectively. These artificial muscles might eventually be deployed for a host of applications, from robotics to perhaps even implantable medical devices.
URI
https://onlinelibrary.wiley.com/doi/abs/10.1002/adma.201700870http://repository.hanyang.ac.kr/handle/20.500.11754/114410
ISSN
0935-9648; 1521-4095
DOI
10.1002/adma.201700870
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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