Pu Xiong, Zhang Chi, Wang Zhong Lin
CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-Nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China.
School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China.
Natl Sci Rev. 2022 Aug 29;10(1):nwac170. doi: 10.1093/nsr/nwac170. eCollection 2023 Jan.
Smart wearable technologies are augmenting human bodies beyond our biological capabilities in communication, healthcare and recreation. Energy supply and information acquisition are essential for wearable electronics, whereas the increasing demands in multifunction are raising the requirements for energy and sensor devices. The triboelectric nanogenerator (TENG), proven to be able to convert various mechanical energies into electricity, can fulfill either of these two functions and therefore has drawn extensive attention and research efforts worldwide. The everyday life of a human body produces considerable mechanical energies and, in the meantime, the human body communicates mainly through mechanical signals, such as sound, body gestures and muscle movements. Therefore, the TENG has been intensively studied to serve as either wearable sources or wearable self-powered sensors. Herein, the recent finding on the fundamental understanding of TENGs is revisited briefly, followed by a summary of recent advancements in TENG-based wearable power sources and self-powered sensors. The challenges and prospects of this area are given as well.
智能可穿戴技术正在超越人类的生物能力，在通信、医疗保健和娱乐等方面增强人体功能。能量供应和信息获取对于可穿戴电子设备至关重要，而对多功能性日益增长的需求正在提高对能量和传感器设备的要求。摩擦纳米发电机（TENG）已被证明能够将各种机械能转化为电能，可以实现这两种功能中的任何一种，因此在全球范围内引起了广泛关注和研究。人体的日常生活会产生大量机械能，与此同时，人体主要通过机械信号进行通信，如声音、身体姿势和肌肉运动。因此，摩擦纳米发电机已被深入研究，用作可穿戴电源或可穿戴自供电传感器。在此，简要回顾了关于摩擦纳米发电机基本理解的最新发现，随后总结了基于摩擦纳米发电机的可穿戴电源和自供电传感器的最新进展。还给出了该领域的挑战和前景。
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