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Hydrogels as Soft Ionic Conductors in Flexible and Wearable Triboelectric Nanogenerators

Authors :
Yinghong Wu
Yang Luo
Tyler J. Cuthbert
Alexander V. Shokurov
Paul K. Chu
Shien‐Ping Feng
Carlo Menon
Source :
Advanced Science, Vol 9, Iss 11, Pp n/a-n/a (2022)
Publication Year :
2022
Publisher :
Wiley, 2022.

Abstract

Abstract Flexible triboelectric nanogenerators (TENGs) have attracted increasing interest since their advent in 2012. In comparison with other flexible electrodes, hydrogels possess transparency, stretchability, biocompatibility, and tunable ionic conductivity, which together provide great potential as current collectors in TENGs for wearable applications. The development of hydrogel‐based TENGs (H‐TENGs) is currently a burgeoning field but research efforts have lagged behind those of other common flexible TENGs. In order to spur research and development of this important area, a comprehensive review that summarizes recent advances and challenges of H‐TENGs will be very useful to researchers and engineers in this emerging field. Herein, the advantages and types of hydrogels as soft ionic conductors in TENGs are presented, followed by detailed descriptions of the advanced functions, enhanced output performance, as well as flexible and wearable applications of H‐TENGs. Finally, the challenges and prospects of H‐TENGs are discussed.

Details

Language :
English
ISSN :
21983844
Volume :
9
Issue :
11
Database :
Directory of Open Access Journals
Journal :
Advanced Science
Publication Type :
Academic Journal
Accession number :
edsdoj.3d8d01068f5242bdbfeebffa8b85ebd3
Document Type :
article
Full Text :
https://doi.org/10.1002/advs.202106008