电动双功能液晶弹性体执行器电动双功能液晶弹性体执行器

电动双功能液晶弹性体执行器电动双功能液晶弹性体执行器

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Gaoyu Liu¹, Yakui Deng¹, Bin Ni¹

¹Chimie ParisTech, Université Paris Sciences & Lettres, CNRS, Institut de Recherche de Chimie Paris, UMR8247, 11 rue Pierre et Marie Curie, Paris, 75005, France.

Small (Weinheim an der Bergstrasse, Germany)

|November 10, 2023

概括

研究人员开发了一种新的电活性液晶弹性体 (eLCE),可提供双重功能. 这种智能材料可以通过低压刺激来曲或收缩,从而推进软机器人和电子设备.

科学领域:

材料科学材料科学材料科学
聚合物科学聚合物科学
机器人技术机器人技术机器人技术

背景情况:

液晶弹性体 (LCE) 对执行器来说是有希望的,但通常需要外部加热或光线.
现有的电活性LCE是有限的,通常是单功能 (曲或收缩).

研究的目的:

开发一种能够同时曲和收缩的双功能电动LCE (eLCE).
为了提高性能,将LCE技术与离子电活性聚合物设备 (i-EADs) 结合起来.

主要方法:

通过集成LCE和i-EAD来制造三层ELCE.
应用低压刺激 (±2V在0.1Hz) 来通过氧化还原行为和离子运动诱导曲.
施加更高的电压 (±6V在10Hz) 通过焦尔加热触发肌肉类收缩.

主要成果:

在±2V刺激下,达到0.80%的曲应变差.
经过±6V刺激,证明了类似肌肉的线性收缩,达到20%的应变.
这使得eLCE能够以20%的应变和5.38 kJ·m−3.3的工作能力提升270倍的重量.

结论:

新型三层eLCE在低压控制下表现出双功能执行 (曲和收缩).
这种方法集成了LCE和i-EAD技术,用于多度自由度的智能材料.
开发的eLCE显示了软机器人,电子设备和传感器的巨大潜力.

关键词:

曲曲曲曲是一个导电性聚合物中的导电性聚合物.收缩的收缩收缩的收缩电动执行器电动执行器电动执行器液晶弹性体 (LCE) 是一种

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