A Hierarchically Nanostructured Cellulose Fiber-Based Triboelectric Nanogenerator for Self-Powered Healthcare Products

被引：216

作者：

He, Xu ^{[1
,2
]}

Zou, Haiyang ^{[1
]}

Geng, Zhishuai ^{[3
]}

Wang, Xingfu ^{[1
]}

Ding, Wenbo ^{[1
]}

Hu, Fei ^{[1
]}

Zi, Yunlong ^{[1
,4
]}

Xu, Cheng ^{[1
]}

Zhang, Steven L. ^{[1
]}

Yu, Hua ^{[1
]}

Xu, Minyi ^{[1
]}

Zhang, Wei ^{[2
]}

Lu, Canhui ^{[2
]}

Wang, Zhong Lin ^{[1
,5
]}

机构：

[1] Georgia Inst Technol, Dept Mat Sci & Engn, Atlanta, GA 30332 USA

[2] Sichuan Univ, State Key Lab Polymer Mat Engn, Polymer Res Inst, Chengdu 610065, Sichuan, Peoples R China

[3] Georgia Inst Technol, Dept Chem & Biochem, Atlanta, GA 30332 USA

[4] Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China

[5] Chinese Acad Sci, Natl Ctr Nanosci & Technol NCNST, Beijing Inst Nanoenergy & Nanosyst, Beijing 100083, Peoples R China

来源：

ADVANCED FUNCTIONAL MATERIALS | 2018年 / 28卷 / 45期

基金：

中国国家自然科学基金;

关键词：

breathing monitoring; cellulose nanofibers; eco-friendly electronics; PM2.5; triboelectric nanogenerator; ENERGY; PM2.5; TRANSPARENT; EFFICIENCY; DEVICES; FILTERS; GREEN;

D O I：

10.1002/adfm.201805540

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Rapid progress in nanotechnology allows us to develop a large number of innovative wearables such as activity trackers, advanced textiles, and healthcare devices. However, manufacturing processes for desirable nanostructure are usually complex and expensive. Moreover, materials used for these devices are mainly derived from nonrenewable resources. Therefore, it poses growing problems for living environment, and causes incompatible discomfort for human beings with long-time wearing. Here, a self-powered cellulose fiber based triboelectric nanogenerator (cf-TENG) system is presented through developing 1D eco-friendly cellulose microfibers/nanofibers (CMFs/CNFs) into 2D CMFs/CNFs/Ag hierarchical nanostructure. Silver nanofibers membrane is successfully introduced into the cf-TENG system by using CMFs/CNFs as template, which shows excellent antibacterial activity. Enabled by its desirable porous nanostructure and unique electricity generation feature, the cf-TENG system is capable of removing PM2.5 with high efficiency of 98.83% and monitoring breathing status without using an external power supply. This work provides a novel and sustainable strategy for self-powered wearable electronics in healthcare applications, and furthermore paves a way for next-generation flexible, biocompatible electronics.

引用

页数：8

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