Dielectric Elastomer Actuators with Biphasic Ag-EGaIn Electrodes

被引：16

作者：

Carneiro, Manuel Reis ^{[1
,2
]}

Majidi, Carmel ^{[1
]}

Tavakoli, Mahmoud ^{[2
]}

机构：

[1] Carnegie Mellon Univ, Dept Mech Engn, Integrated Soft Mat Lab, Pittsburgh, PA 15213 USA

[2] Univ Coimbra, Dept Elect & Comp Engn, Inst Syst & Robot, P-3030290 Coimbra, Portugal

来源：

ADVANCED ENGINEERING MATERIALS | 2022年 / 24卷 / 04期

基金：

美国安德鲁·梅隆基金会;

关键词：

dielectric elastomer actuators; elastomeric electrodes; non-smearing conductive inks; smart materials; soft robotics; stretchable electronics;

D O I：

10.1002/adem.202100953

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new electrode architecture for dielectric elastomer actuators (DEAs) is introduced in which a soft polyacrylate film is coated with a biphasic mixture of silver, indium, and gallium. This Ag-In-Ga coating functions as a soft electrode that is ultrathin, highly compliant, highly conductive, stretchable, and non-smearing. Compared to carbon grease, sputter-deposited metal coating, and particle-filled conductive elastomers, this biphasic coating exhibits a unique combination of solid-state integrity, extreme mechanical compliance, and low electrical resistivity. Herein, how DEAs with an Ag-In-Ga coating exhibit a 5x larger actuation speed compared to carbon-coated dielectric films is shown. The influence of coating thickness on the mechanical stiffness and blocking force is also examined.

引用

页数：10

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