A Flexible Fiber-Based Supercapacitor-Triboelectric-Nanogenerator Power System for Wearable Electronics

Jie Wang; Xiuhan Li; Yunlong Zi; Sihong Wang; Zhaoling Li; Li Zheng; Fang Yi; Shengming Li; Zhong Lin Wang

doi:10.1002/adma.201501934

A Flexible Fiber-Based Supercapacitor-Triboelectric-Nanogenerator Power System for Wearable Electronics

Adv Mater. 2015 Sep 2;27(33):4830-6. doi: 10.1002/adma.201501934. Epub 2015 Jul 14.

Authors

Jie Wang^{1

2}, Xiuhan Li¹, Yunlong Zi¹, Sihong Wang¹, Zhaoling Li¹, Li Zheng¹, Fang Yi¹, Shengming Li¹, Zhong Lin Wang^{1

3}

Affiliations

¹ School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
² Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center of Dielectric Research, Xi'an Jiaotong University, Xi'an, 710049, China.
³ Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China.

PMID: 26175123
DOI: 10.1002/adma.201501934

Abstract

A flexible self-charging power system is built by integrating a fiber-based supercapacitor with a fiber-based triboelectric nanogenerator for harvesting mechanical energy from human motion. The fiber-based supercapacitor exhibits outstanding electrochemical properties, owing to the excellent pseudocapacitance of well-prepared RuO2 ·xH2 O by a vapor-phase hydrothermal method as the active material. The approach is a step forward toward self-powered wearable electronics.

Keywords: mechanical energy harvesting; supercapacitors; triboelectric nanogenerators.