Dielectric elastomer actuators based on stretchable and self-healable hydrogel electrodes | Zendy

Yang Gao | Zendy; Xiaoliang Fang | Zendy; Danhquang Tran | Zendy; Kuan Ju | Zendy; Bo Qian | Zendy; Jin Li | Zendy

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Dielectric elastomer actuators based on stretchable and self-healable hydrogel electrodes

Author(s) -

Yang Gao,

Xiaoliang Fang,

Danhquang Tran,

Kuan Ju,

Bo Qian,

Jin Li

Publication year - 2019

Publication title -

royal society open science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.84

H-Index - 51

ISSN - 2054-5703

DOI - 10.1098/rsos.182145

Subject(s) - materials science , elastomer , electrode , composite material , dielectric , polyvinyl alcohol , dielectric elastomers , carbon nanotube , soft robotics , actuator , artificial muscle , self healing , optoelectronics , electrical engineering , medicine , alternative medicine , engineering , chemistry , pathology

Dielectric elastomer actuator (DEA) based on dielectric elastomer holds promising applications in soft robotics. Compliant electrodes with large stretchability and high electrical conductivity are the vital components for the DEAs. In this study, a type of DEA was developed using carbon nanotube/polyvinyl alcohol (CNT/PVA) hydrogel electrodes. The CNT/PVA hydrogel electrodes demonstrate a stretchability up to 200% with a small relative resistance change of approximately 1.2, and a self-healing capability. The areal strain of the DEA based on the CNT/PVA hydrogel electrodes is more than 40%, much higher than the ones based on pure PVA electrodes.

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