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Untethered Soft Robots Based on 1D and 2D Nanomaterials.
Jingwen He1,2, Peng Huang1,2, Bingjue Li1,2
1School of Mechanical Engineering, Southeast University, Nanjing, Jiangsu, 211189, P. R. China.
Advanced Materials (Deerfield Beach, Fla.)
|January 22, 2025
Summary
This review explores untethered soft robots using nanomaterials, detailing their autonomous movement capabilities inspired by nature. It covers locomotion, self-sustained motion, and integrated functionalities for advanced robotic applications.
Area of Science:
- Robotics and Materials Science
- Biomimicry and Nanotechnology
Background:
- Biological systems display autonomous behaviors through environmental interactions.
- Soft robots are evolving towards autonomy, sustainability, and interactivity, mirroring natural organisms.
Purpose of the Study:
- To review recent advancements in untethered soft robots utilizing 1D and 2D nanomaterials.
- To analyze soft actuator performance and various locomotion methods.
Main Methods:
- Comparison of soft actuator designs and their performance.
- Discussion of locomotion mechanisms (crawling, jumping, swimming, rolling, gripping, multimodal).
- Introduction of self-sustained movements based on static stimuli (light tracking, self-oscillation, flying).
Main Results:
- Overview of diverse locomotion strategies in soft robots.
- Exploration of self-sustained movements mimicking biological functions.
- Summary of integrated functionalities like sensing and energy harvesting in soft actuators.
Conclusions:
- Untethered soft robots based on nanomaterials show significant progress in autonomy and functionality.
- Future development requires addressing current challenges for enhanced performance and broader applications.

