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High-performance Ionic Polymer Actuators with Triple-layered Multifunctional Electrodes
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Yanjie Wang
Materials & Design, Start page: 111882
Swansea University Author:
Lijie Li
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DOI (Published version): 10.1016/j.matdes.2023.111882
Abstract
Ionic polymer actuators have attracted attention in recent years due to their remarkably large strain under low-voltage stimulation. However, a key challenge for fabricating high-performance ionic polymer actuators is to develop a firm electrode with high electrical conductivity and electrochemical...
| Published in: | Materials & Design |
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| ISSN: | 0264-1275 |
| Published: |
Elsevier BV
2023
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa63066 |
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| Abstract: |
Ionic polymer actuators have attracted attention in recent years due to their remarkably large strain under low-voltage stimulation. However, a key challenge for fabricating high-performance ionic polymer actuators is to develop a firm electrode with high electrical conductivity and electrochemical performance. Herein, inspired by the structure of zoysia grass, we proposed an efficient method to prepare the triple-layered multifunctional electrodes capable of low surface resistance (∼ 3.4 Ω/□), high adhesion (∼ 328 KPa) and good electrochemical performance for ionic polymer actuators. Through the spraying and impregnation-electroplating (IEP), three functional layers of multifunctional electrodes are obtained, including MCMTs/Nafion interfacial layer, Ag NWs fixed layer and Ag NWs@Au layer, which respectively contribute to the charge storage in the electrode, high strength and the uniform and fast charge distribution. The synergic effect of these three functional layers maintains a high stability of multifunctional electrodes after being immersed in DI water for 7 days or 1500 bending cycles, and greatly enhances the actuation performance of ionic polymer actuators, resulting in an extreme bending deformation (increasing by 460%). This work represents an important step towards ionic polymer actuators where the synergic effect in electrodes plays an important role in promoting electrochemical actuation performance. |
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| College: |
Faculty of Science and Engineering |
| Funders: |
This research was supported by the National Natural Science Foundation of China (51975184), the Changzhou Sci &Tech Program (CE20215051), the National Key Research and Development Program of China (2020YFB1312900), and Postgraduate Research & Practice Innovation Program of Jiangsu Province (KYCX22_0672). The authors gratefully acknowledge the supports. |
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111882 |