材料科学
执行机构
导电体
弹性体
复合材料
电场
焦耳加热
磁道(磁盘驱动器)
机械工程
光电子学
电气工程
量子力学
物理
工程类
作者
Meng Wang,Zhi-Wen Cheng,Bin Zuo,Xu‐Man Chen,Shuai Huang,Hong Yang
出处
期刊:ACS Macro Letters
[American Chemical Society]
日期:2020-05-28
卷期号:9 (6): 860-865
被引量:68
标识
DOI:10.1021/acsmacrolett.0c00333
摘要
In this letter, we present an electro-driven cylindrical actuator system composed of a bilayered liquid crystal elastomer/carbon black (LCE/CB) electro-driven soft actuator and a conductive track. The bilayered LCE/CB electro-driven actuator consists of an inner LCE circular band and several U-shaped CB conductive regions stuck on the outer surface of the LCE ring. Benefiting from the effective Joule heating of CB powder and the consequential inhomogeneous stress generated inside the bilayered LCE/CB film, the cylindrical actuator can roll forward with a rate of 1.6 mm/s along a stationary copper conductive track powered by a 50 V direct current supply. The dynamic connection between the rolling actuator and the conductive track effectively eliminates the limitation of electric wires in the complicated actuation set-ups of the LCE materials. This work might promote the development of electro-driven LCE actuators and have potential applications in the fields of soft robots and electric devices.
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