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Updated: Apr 25, 2026

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Bioinspired Soft Robot with Incorporated Microelectrodes
Published on: February 28, 2020
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Soft Robots Powered by Sustainable Energy
Stefano Mariani1, Ruowen Tu1, Kliton Cikalleshi1,2
1Bioinspired Soft Robotics Laboratory, Istituto Italiano di Tecnologia, Via Morego 30, Genova 16163, Italy.
Chemical Reviews
|April 24, 2026
Summary
Soft robots utilizing sustainable energy sources like heat and sunlight offer eco-friendly, autonomous operation. Material engineering is key to transforming environmental stimuli into motion for sustainable robotic systems.
Area of Science:
- Robotics
- Materials Science
- Sustainable Energy
Background:
- Soft robots offer eco-friendly and autonomous operation by using sustainable energy.
- Material selection and engineering are crucial for efficient energy conversion and actuation.
Purpose of the Study:
- To review soft robots powered by abundant environmental energy sources.
- To distinguish between general environmental energy and truly sustainable operation.
- To identify pathways for environmentally realistic, autonomous, and long-lived soft robotic systems.
Main Methods:
- Systematic evaluation of actuators and soft robotic systems based on energy sources and operating conditions.
- Examination of material properties (chemical, physical, mechanical) for sustainable energy exploitation.
- Analysis of material integration into composites and mechanism design.
Main Results:
- Various energy sources (heat, humidity, light, osmotic, pH, triboelectricity, wind) can power soft robots.
- Thermo-responsive, hygroscopic, photothermal, osmotic, pH-sensitive, triboelectric, and wind-dispersed materials enable actuation.
- Distinction made between sustainable and non-sustainable energy-dependent systems.
Conclusions:
- Material science advancements are critical for developing sustainable soft robots.
- Pathways exist for creating autonomous, long-lived soft robots for environmental applications.
- Potential applications include environmental monitoring and reforestation.
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