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Updated: Apr 6, 2026

Fabrication of Carbon-Based Ionic Electromechanically Active Soft Actuators
Published on: April 25, 2020
Electromechanical Actuator Ribbons Driven by Electrically Conducting Spring-Like Fibers
Peining Chen1, Sisi He1, Yifan Xu1
1State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Polymers and Polymer Composite Materials, Department of Macromolecular Science and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China.
New electromechanical actuators woven from conducting fibers in polymer ribbons offer superior performance. These novel actuators exhibit high strain rates, low voltage, fast response, and programmable actuation with excellent reversibility.
Area of Science:
- Materials Science
- Polymer Science
- Nanotechnology
Background:
- Electromechanical actuators are crucial for robotics and soft machines.
- Existing actuators face limitations in strain rate, response time, and energy efficiency.
Purpose of the Study:
- To develop novel electromechanical actuators with enhanced performance.
- To investigate the actuation capabilities of conducting fiber-polymer ribbon composites.
Main Methods:
- Woven composite fabrication: Integrating electrically conducting fibers into polymer ribbons.
- Electromechanical characterization: Measuring strain rate, operating voltage, and response time.
- Actuation mode analysis: Demonstrating programmable bending, contraction, elongation, and rotation.
Main Results:
- Achieved strain rates exceeding typical electrochemical actuators by over 1000 times.
- Demonstrated lower operating voltage and faster responsiveness than electrostatic and electrothermal actuators.
- Exhibited high reversibility in programmable actuation modes.
Conclusions:
- The developed conducting fiber-polymer ribbon actuators represent a significant advancement in actuator technology.
- These actuators offer a compelling combination of high performance and versatility for various applications.
- Further research can explore scalability and integration into complex systems.
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