Self-healing electrodes for dielectric elastomer actuators
Self-healing electrodes for dielectric elastomer actuators
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DOI：
10.1039/c2jm32228e
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发表时间：
2012-01-01
影响因子：
--
通讯作者：
Opris, Dorina M.
中科院分区：
文献类型：
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作者：
Michel, Silvain;Chu, Bryan T. T.;Opris, Dorina M.
开发了一种导电、可印刷和可拉伸的复合材料，该复合材料基于硅树脂中的20重量%的还原石墨纳米片，用作介电弹性体致动器中的电极。它具有0.1 k Ω平方（-1）的薄层电阻和低弹性模量。此外，它能够在故障后自我修复致动器，从而显着增加其寿命和可靠性。这样的致动器可以在低于和高于第一击穿电压的电压下重复且可逆地操作。致动器可以遭受许多故障，并能够一次又一次地自我修复而不损失性能。
A conductive, printable and stretchable composite based on 20 wt% reduced graphite nanoplatelets in silicone to be used as the electrode in dielectric elastomer actuators was developed. It has a sheet resistance of 0.1 k Omega square(-1) and a low modulus of elasticity. Additionally, it is able to self-heal the actuator after a breakdown and thus increases significantly its lifetime and reliability. Such an actuator can be operated repeatedly and reversibly at voltages below and above the voltage of the first breakdown. The actuator can suffer many breakdowns and is able to self-heal again and again without loss of performance.