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

被引：426

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

来源：

ACS NANO | 2017年 / 11卷 / 09期

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

页码：8830 / 8837

页数：8

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