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Open AccessArticle

Dual-Stimuli Responsive Carbon Nanotube Sponge-PDMS Amphibious Actuator

Institute of Solid Mechanics, Beihang University (BUAA), Beijing 100083, China
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(12), 1704;
Received: 22 October 2019 / Revised: 24 November 2019 / Accepted: 26 November 2019 / Published: 28 November 2019
A dual-stimuli responsive soft actuator based on the three-dimensional (3D) porous carbon nanotube (CNT) sponge and its composite with polydimethylsiloxane (PDMS) was developed, which can realize both electrothermal and electrochemical actuation. The bimorph actuator exhibited a bending curvature of 0.32 cm−1·W−1 under electrothermal stimulation on land. The displacement of the electrochemical actuator could reach 4 mm under a 5 V applied voltage in liquid. The dual-responsive actuator has demonstrated the applications on multi-functional amphibious soft robots as a crawling robot like an inchworm, a gripper to grasp and transport the cargo and an underwater robot kicking a ball. Our study presents the versatility of the CNT sponge-based actuator, which can be used both on land and in water. View Full-Text
Keywords: dual-stimuli; actuator; CNT sponge dual-stimuli; actuator; CNT sponge
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MDPI and ACS Style

Ji, Y.; Xing, Y.; Li, X.; Shao, L.-H. Dual-Stimuli Responsive Carbon Nanotube Sponge-PDMS Amphibious Actuator. Nanomaterials 2019, 9, 1704.

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