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Nano- And Microfiber-Based Fully Fabric Triboelectric Nanogenerator For Wearable Devices

Title
Nano- And Microfiber-Based Fully Fabric Triboelectric Nanogenerator For Wearable Devices
Author
김성훈
Keywords
triboelectric effect; triboelectric nanogenerator; nonwoven nanogenerator; nylon nanofiber; polypropylene microfiber
Issue Date
2020-02
Publisher
MDPI
Citation
POLYMERS, v. 12, no. 3, article no. 658
Abstract
The combination of the triboelectric effect and static electricity as a triboelectric nanogenerator (TENG) has been extensively studied. TENGs using nanofibers have advantages such as high surface roughness, porous structure, and ease of production by electrospinning; however, their shortcomings include high-cost, limited yield, and poor mechanical properties. Microfibers are produced on mass scale at low cost; they are solvent-free, their thickness can be easily controlled, and they have relatively better mechanical properties than nanofiber webs. Herein, a nano- and micro-fiber-based TENG (NMF-TENG) was fabricated using a nylon 6 nanofiber mat and melt blown nonwoven polypropylene (PP) as triboelectric layers. Hence, the advantages of nanofibers and microfibers are maintained and mutually complemented. The NMF-TENG was manufactured by electrospinning nylon 6 on the nonwoven PP, and then attaching Ni coated fabric electrodes on the top and bottom of the triboelectric layers. The morphology, porosity, pore size distribution, and fiber diameters of the triboelectric layers were investigated. The triboelectric output performances were confirmed by controlling the pressure area and basis weight of the nonwoven PP. This study proposes a low-cost fabrication process of NMF-TENGs with high air-permeability, durability, and productivity, which makes them applicable to a variety of wearable electronics.
URI
https://www.mdpi.com/2073-4360/12/3/658https://repository.hanyang.ac.kr/handle/20.500.11754/161291
ISSN
2073-4360
DOI
10.3390/polym12030658
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ORGANIC AND NANO ENGINEERING(유기나노공학과) > Articles
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