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Bioinspired Soft Robot with Incorporated Microelectrodes

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Published on: February 28, 2020

Bio-inspired carbon-based artificial muscle with precise and continuous morphing capabilities.

Xiaodong Li¹, Meiping Li¹, Mingjia Zhang²

¹CAS Key Laboratory of Organic Solids, Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.

National Science Review

|January 7, 2025

Summary

This summary is machine-generated.

Researchers developed a novel carbon-based artificial muscle, hydrogen-substituted graphdiyne muscle (HsGDY-M), inspired by butterfly proboscis. This artificial muscle offers precise control and adaptability for microrobotics and precision medicine applications.

Keywords:

actuator artificial muscle carbon-based materials graphdiyne stimulus-responsive materials

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Area of Science:

Materials Science
Robotics
Biomimetics

Background:

Advancements in microrobotics, intelligent control, and precision medicine require sophisticated artificial muscle actuation systems.
Carbon materials offer desirable properties like light weight, strength, conductivity, and flexibility, making them promising for artificial muscles.

Purpose of the Study:

To develop a novel carbon-based artificial muscle with precise control, high stability, and environmental adaptability.
To mimic the reversible and adjustable deformation capabilities of a butterfly's proboscis using a new material.

Main Methods:

Fabrication of hydrogen-substituted graphdiyne muscle (HsGDY-M) using an emerging hydrogen-substituted graphdiyne (HsGDY) film with an asymmetrical surface structure.
Characterization of HsGDY-M's deformation capabilities, size tunability, and performance stability across a range of temperatures (down to -25°C).

Main Results:

HsGDY-M demonstrated reversible, rapid, and continuously adjustable deformation triggered by carbon bond conversion.
The artificial muscle successfully operated a robotic mechanical arm, lifting objects up to 11 times its weight and showing adaptability to extreme temperatures.
HsGDY-M's responsiveness enabled the transformation of inert materials into actuators and was applied in a real-time human finger bending tracking system.

Conclusions:

HsGDY-M exhibits significant potential as a next-generation artificial muscle for advanced microrobotics and precision medicine.
The biomimetic design and tunable properties of HsGDY-M offer new possibilities for soft robotics and human-machine interfaces.