期刊
NANO ENERGY
卷 99, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2022.107367
关键词
Bio-inspired soft robot; Magnetic actuation; Triboelectric nanogenerator; Self-powered charging
类别
资金
- National Natural Sci-ence Foundation of China [51975597]
- Natural Science Foundation of Guangdong Province [2019A1515011011]
- Special Support Plan for High Level Talents in Guangdong Province [2017TQ04X674]
Untethered bioinspired soft millirobots, such as Slug-inspired TENG-Robot developed in this study, have the potential for various biomedical applications due to their good environmental adaptability, remote control, and high locomotion efficiency. These robots are capable of generating forward locomotion on different terrains while also sensing and self-charging through a triboelectric nanogenerator.
Untethered bioinspired soft millirobots have significant advantages in the terms of good environmental adaptability, remote control and high locomotion efficiency, showing potential applications in various biomedical settings. However, to make the bio-inspired soft robot be a highly animal-like machine, more effective biofunctionalities should be integrated into the robot. Herein, inspired by Grey Field Slug, we develop a Sluginspired magnetic soft millirobot fully integrated with triboelectric nanogenerator (named Slug-inspired TENG-Robot) for on-board sensing and self-powered charging. Under untethered actuation of rotating magnetic field, TENG-Robot generates trains of pedal waves through periodic body fluctuations from the tail to head, producing a forward locomotion on the various terrains (e.g. plane, slope, gap, and tunnel). Synchronously, TENG-Robot harvests the self-transformation induced triboelectricity in closed contact-separation mode during this locomotion. TENG-Robot can self-detect the crawl process and self-power for charging the on-board capacitors via triboelectrification effect during the locomotion. Interestingly, Slug-inspired TENG-Robot integrated with various flexible circuits can light itself like firefly, charge the external electronic devices like electric eel, and response to high temperature stimulus like most animals. We believe the bio-inspired design strategies of TENG-Robot may pave important foundation to understand the principles underlying the behavior of animals and transfer them to the development of ever-more capable robots.
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