Traditional weaving craft for one-piece self-charging power textile for wearable electronics. (August 2018)

• Record Type: Journal Article
• Authors: Chen, Jie; Guo, Hengyu; Pu, Xianjie; Wang, Xue; Xi, Yi; Hu, Chenguo
• Is Part Of: Nano energy. Volume 50(2018)
• Page Start: 536
• Page End: 543
• Publication Date: 2018-08
• Subjects: Woven textile -- Triboelectric nanogenerator -- Supercapacitor -- Self-charging; Nanoscience -- Periodicals; Nanotechnology -- Periodicals; Nanostructured materials -- Periodicals; Power resources -- Technological innovations -- Periodicals; Nanoscience; Nanostructured materials; Nanotechnology; Power resources -- Technological innovations; Periodicals; 621.042
• DOI: 10.1016/j.nanoen.2018.06.009
• Languages: English
• ISSNs: 2211-2855

Abstract

Abstract: Self-charging power textile (SCPT) based on energy harvesting and energy storing components for developing wearable electronics exhibits great advantages. However, some problems (stability, weaving methods etc .) in previous work prevent this kind of SCPT for further application and industrial scale-up manufacture. Herein, in this work, we propose a novel SCPT consisting of a fabric triboelectric nanogenerator (FTENG) and a woven supercapacitor (W-SC) for simultaneously harvesting and storing human motion energy. Utilizing traditional woven craft, this one-piece self-power/self-charging power textile can be easily fabricated by alternating the woven wires/threads. For the energy-generating component, we successfully build the contact-separation mode, free-standing mode and other complex patterned TENG on a piece of textile by weaving cotton, carbon and PTFE wires on the handloom. Several key parameters (the diameter of PTFE wire, working frequency, etc .) on the output performance of TENG are systematically studied. For the energy-storing component, utilizing RuO2 coated carbon fiber and cotton threads, we fabricate W-SC during the weaving process with a stable cotton separator between two fiber electrodes, which possesses extremely high stability for mechanical deformation. Finally, this SCPT is demonstrated to have harvested energy through common daily activities such as running and walking, and simultaneously to have powered the wearable electronics, such as an electric watch. Results show that our newly designed SCPT has great potential for wearable electronics and large scale industrial production. Graphical abstract: Combing the fabric triboelectric nanogenerator and woven supercapacitor, a one-piece self-charging power textile is demonstrated for simultaneously harvesting and storing body motion energy to sustainably drive wearable electronics. Unlikely the previous supercapacitors entangled with two fibers in parallel and then sewed on fabric, the symmetric supercapacitor is formed during the weaving process with a cotton separator between two fiber electrodes, which provides a stable electrode structure. fx1 Highlights: Traditional weaving craft was used to build mass-production SCPT based on TENG and SC. Fabricating TENG with various working modes by alternating different wires materials. Forming W-SC with stable structure in weaving process using the same weaving strategy.