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Title: A polycation-modified nanofillers tailored polymer electrolytes fiber for versatile biomechanical energy harvesting and full-range personal healthcare sensing
Authors: Li, Z 
Xu, B 
Han, J 
Huang, J 
Fu, H
Issue Date: 2-Feb-2022
Source: Advanced functional materials, 2 Feb. 2022, v. 32, no. 6, 2106731
Abstract: The emergence of fibrous energy harvesters and self-powered sensors gives birth to functional wearable electronics. However, low power outputs, poor sensing abilities, and limited material selections have greatly restricted their developments. Herein, novel polycation-modified carbon dots (PCDs) tailored PCDs/polyvinyl alcohol nanocomposite polymer electrolytes (NPEs) are prepared and used as dominating triboelectric materials to construct a new NPEs-based fiber triboelectric nanogenerator (NPE-TENG) for the first time. The filling of PCDs endows NPEs with enhanced ionic conductivity. The developed NPE-TENG can respond to different mechanical stimuli with excellent flexibility and deliver a high power density of 265.8 µW m−1. Self-powered wearable sensor and smart glove based on NPE-TENG are further developed, which can achieve skin-level tactile sensing and joint-related activities monitoring in a rapid, real-time, and noninvasive way. As a sustainable power source, the NPE-TENG can drive small electronics and light up hundreds of light-emitting diodes. This study not only renders new insights into the development of triboelectric materials for fiber-based TENG but also provides a direction for potential applications of fibrous biomechanical energy harvesters and self-powered sensors in wearable electronics, personal healthcare monitoring, and human–machine interactions.
Keywords: Fibers
Polymer electrolytes
Self-powered wearable sensors
Triboelectric nanogenerators
Publisher: Wiley-VCH
Journal: Advanced functional materials 
ISSN: 1616-301X
EISSN: 1616-3028
DOI: 10.1002/adfm.202106731
Rights: © 2021 Wiley-VCH GmbH
This is the peer reviewed version of the following article: Li, Z., Xu, B., Han, J., Huang, J., Fu, H., A Polycation-Modified Nanofillers Tailored Polymer Electrolytes Fiber for Versatile Biomechanical Energy Harvesting and Full-Range Personal Healthcare Sensing. Adv. Funct. Mater. 2022, 32, 2106731, which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
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