弹性体
离子液体
材料科学
离子键合
执行机构
人工肌肉
生物电子学
纳米技术
聚合物
软机器人
介电弹性体
电活性聚合物
膜
压电
智能材料
机械工程
电压
复合材料
离子
计算机科学
化学
人工智能
有机化学
生物传感器
催化作用
作者
Chenrun Feng,Chathuranga Prageeth Rajapaksha,Antal Jákli
出处
期刊:Engineering
[Elsevier]
日期:2021-05-01
卷期号:7 (5): 581-602
被引量:29
标识
DOI:10.1016/j.eng.2021.02.014
摘要
In the past decades, ion conductive polymers and elastomers have drawn worldwide attention for their advanced functions in batteries, electroactive soft robotics, and sensors. Stretchable ionic elastomers with dispersed soft ionic moieties such as ionic liquids have gained remarkable attention as soft sensors, in applications such as the wearable devices that are often called electric skins. A considerable amount of research has been done on ionic-elastomer-based strain, pressure, and shear sensors; however, to the best of our knowledge, this research has not yet been reviewed. In this review, we summarize the materials and performance properties of engineered ionic elastomer actuators and sensors. First, we review three classes of ionic elastomer actuators—namely, ionic polymer metal composites, ionic conducting polymers, and ionic polymer/carbon nanocomposites—and provide perspectives for future actuators, such as adaptive four-dimensional (4D) printed systems and ionic liquid crystal elastomers (iLCEs). Next, we review the state of the art of ionic elastomeric strain and pressure sensors. We also discuss future wearable strain sensors for biomechanical applications and sports performance tracking. Finally, we present the preliminary results of iLCE sensors based on flexoelectric signals and their amplification by integrating them with organic electrochemical transistors.
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