Journal article 254 views
Nafion/Polyimide based programmable moisture-driven actuators for functional structures and robots
Gangqiang Tang,
Chun Zhao,
Xin Zhao,
Dong Mei,
Yifan Pan,
Bo Li,
Lijie Li 
,
Yanjie Wang
,
Yanjie Wang
Sensors and Actuators B: Chemical, Volume: 393, Start page: 134152
Swansea University Author:
Lijie Li
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DOI (Published version): 10.1016/j.snb.2023.134152
Abstract
Sustainable and environmentally friendly actuators powered by humidity, light and magnetic field are of great significance to facilitate application of microrobots. Among them, moisture-driven actuators have attracted a growing interest as a result of the widespread presence and ease of use of humid...
| Published in: | Sensors and Actuators B: Chemical |
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| ISSN: | 0925-4005 |
| Published: |
Elsevier BV
2023
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa63672 |
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| Abstract: |
Sustainable and environmentally friendly actuators powered by humidity, light and magnetic field are of great significance to facilitate application of microrobots. Among them, moisture-driven actuators have attracted a growing interest as a result of the widespread presence and ease of use of humidity. Nevertheless, the rapid acquisition and large-scale application of the moisture-driven actuators is still difficult since synthesis process of humidity-sensitive materials is time-consuming and complex. In this paper, we proposed a facile and rapid method to prepare double-layer moisture-driven actuators by integrating commercial humidity-sensitive Nafion TM membrane and polyimide (PI) tape with good stability. Compared with other double-layer moisture-driven actuators, the so-obtained actuator has excellent performance in both the bending curvature (from -0.98 cm-1 to 5.34 cm-1) and the response speed (0.29 cm-1/s). Through programmable structure design, a series of functional structures with complex deformation modes, i.e. torsion and bending, were realized. By imitating organisms like birds, vines, inchworms and ants, a series of soft robots have been developed based on the programmable structures to achieve behaviors including grasping, crawling and weight-bearing. The proposed programmable moisture-driven actuators have shed light on the fast development of environmental-friendly functional microrobots making use of ambient humidity. |
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| Keywords: |
Moisture-driven actuators, Humidity-sensitive, Nafion, Polyimide, Programmable structure, Functional microrobots |
| College: |
Faculty of Science and Engineering |
| Funders: |
National Natural Science Foundation of China (51975184). National Key Research and Development Program of China (2020YFB1312900). |
| Start Page: |
134152 |