Advances in health rehabilitation devices based on triboelectric nanogenerators

Timely information feedback combined with active therapeutic schedule can significantly shorten the rehabilitation period and reduce the pain of patients. Intelligent wearable and implantable medical electronic devices that can realize health information dynamic monitoring and disease treatment have attracted more and more attention. Triboelectric nanogenerator (TENG) is a novel technology for energy harvesting and information sensing. Due to its cost-effective, flexible structure and self-powered property, TENG has great application potential for personalized healthcare and mobile therapy. Herein, the recent key achievements of TENG technology in health rehabilitation are comprehensively reviewed with key considerations and case studies. The characteristics and corresponding technologies of TENG applied in self-powered sensing, integrated system and bioelectric stimulation are introduced and analyzed. Finally, the existing limitations and the prospect of further development are put forward.