Triboelectric Nanogenerator Enabled Body Sensor Network for Self-Powered Human Heart-Rate Monitoring

被引:416
作者
Lin, Zhiming [1 ]
Chen, Jun [2 ]
Li, Xiaoshi [1 ]
Zhou, Zhihao [1 ]
Meng, Keyu [1 ]
Wei, Wei [1 ]
Yang, Jin [1 ]
Wang, Zhong Lin [2 ,3 ]
机构
[1] Chongqing Univ, Dept Optoelect Engn, Chongqing 400044, Peoples R China
[2] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
[3] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing 100083, Peoples R China
基金
中国国家自然科学基金;
关键词
self-powered body sensor network; triboelectric nanogenerator; downy structure; power management circuit; heart-rate monitoring; WEARABLE ELECTRONICS; ENERGY; SYSTEM; DRIVEN; GENERATOR;
D O I
10.1021/acsnano.7b02975
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Heart-rate monitoring plays a critical role in personal healthcare management. A low-cost, noninvasive, and user-friendly heart-rate monitoring system is highly desirable. Here, a self-powered wireless body sensor network (BSN) system is developed for heart-rate monitoring via integration of a downy structure-based triboelectric nanogenerator (D-TENG), a power management circuit, a heart-rate sensor, a signal processing unit, and Bluetooth module for wireless data transmission. By converting the inertia energy of human walking into electric power, a maximum power of 2.28 mW with total conversion efficiency of 57.9% was delivered at low operation frequency, which is capable of immediately and sustainably driving the highly integrated BSN system. The acquired heart-rate signal by the sensor would be processed in the signal process circuit, sent to an external device via the Bluetooth module, and displayed on a personal cell phone in a real-time manner. Moreover, by combining a TENG-based generator and a TENG-based sensor, an all-TENG-based wireless BSN system was developed, realizing continuous and self-powered heart-rate monitoring. This work presents a potential method for personal heart-rate monitoring, featured as being self-powered, cost-effective, noninvasive, and user-friendly.
引用
收藏
页码:8830 / 8837
页数:8
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