Liquid Crystal Elastomer Electric Locomotives,ACS Macro Letters

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Liquid Crystal Elastomer Electric Locomotives
ACS Macro Letters ( IF 5.1 ) Pub Date : 2020-05-28 , DOI: 10.1021/acsmacrolett.0c00333
Meng Wang ₁ , Zhi-Wen Cheng ₁ , Bo Zuo ₁ , Xu-Man Chen ₁ , Shuai Huang ₁ , Hong Yang ₁

Affiliation

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.

中文翻译：

液晶弹性体电力机车

在这封信中，我们提出了一个由双层液晶弹性体/炭黑 (LCE/CB) 电驱动软执行器和导电轨道组成的电驱动圆柱形执行器系统。双层 LCE/CB 电驱动致动器由一个内部 LCE 圆形带和几个粘在 LCE 环外表面上的 U 形 CB 导电区域组成。得益于 CB 粉末的有效焦耳加热以及由此产生的双层 LCE/CB 薄膜内部产生的不均匀应力，圆柱形致动器可以以 1.6 mm/s 的速度沿着由 50 V 直流供电的固定铜导电轨道向前滚动供应。滚动致动器和导电轨道之间的动态连接有效地消除了电线在LCE材料复杂致动装置中的限制。

更新日期：2020-05-28

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