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Highly Conductive Sheets from Millimeter‐Long Single‐Walled Carbon Nanotubes and Ionic Liquids: Application to Fast‐Moving, Low‐Voltage Electromechanical Actuators Operable in Air
Author(s) -
Mukai Ken,
Asaka Kinji,
Sugino Takushi,
Kiyohara Kenji,
Takeuchi Ichiroh,
Terasawa Naohiro,
Futaba Don N.,
Hata Kenji,
Fukushima Takanori,
Aida Takuzo
Publication year - 2009
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200802817
Subject(s) - materials science , carbon nanotube , ionic liquid , actuator , electrolyte , electrical conductor , millimeter , voltage , ionic bonding , nanotechnology , durability , carbon fibers , low voltage , composite material , electrode , ion , electrical engineering , composite number , organic chemistry , optics , catalysis , chemistry , physics , engineering
Ionic liquids allow millimeter‐long single‐walled carbon nanotubes to associate tightly, forming a free‐standing sheet with superb mechanical and electrical properties. An actuator strip, fabricated by sandwiching an ionic‐liquid‐gel electrolyte layer with the nanotubes sheets obtained exhibits a large deformation in quick response (4 mm per 0.05 s) to low applied voltages, and a high durability upon 10 000 times continuous operations.

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