Cited 18 time in webofscience Cited 17 time in scopus

Cost-effective and strongly integrated fabric-based wearable piezoelectric energy harvester

Title
Cost-effective and strongly integrated fabric-based wearable piezoelectric energy harvester
Authors
Kim, JaegyuByun, SeoungwooLee, SangryunRyu, JeongjaeCho, SeongwooOh, ChungikKim, HongjunNo, KwangsooRyu, SeunghwaLee, Yong MinHong, Seungbum
DGIST Authors
Kim, Jaegyu; Byun, Seoungwoo; Lee, Sangryun; Ryu, Jeongjae; Cho, Seongwoo; Oh, Chungik; Kim, Hongjun; No, Kwangsoo; Ryu, Seunghwa; Lee, Yong Min; Hong, Seungbum
Issue Date
2020-09
Citation
Nano Energy, 75, 104992
Type
Article
Article Type
Article
Author Keywords
Energy harvesterPiezoelectricHot pressingFabricAdhesion strength
Keywords
NANOGENERATORFIBERSURFACEPIEZORESPONSETEXTILESMOTIONFILMSTHIN
ISSN
2211-2855
Abstract
Fabric-based wearable electronics are becoming more important in the fourth industrial revolution (4IR) era due to their connectivity, wearability, comfort, and durability. Conventional fabric-based wearable electronics have been demonstrated by several researchers, but still need complex methods or additional supports to be fabricated and sewed in clothing. Herein, a cost-effective, high throughput, and strongly integrated fabric-based wearable piezoelectric energy harvester (fabric-WPEH) is demonstrated. The fabric-WPEH has a heterostructure of a ferroelectric polymer, poly(vinylidene fluoride-co-trifluoroethylene) [P(VDF-TrFE)] and two conductive fabrics via simple fabrication of tape casting and hot pressing. Our fabrication process would enable the direct application of the unit device to general garments using hot pressing as graphic patches can be attached to the garments by heat press. Simulation and experimental analysis demonstrate fully bendable, compact and concave interfaces and a high piezoelectric d33 coefficient (−32.0 pC N−1) of the P(VDF-TrFE) layer. The fabric-WPEH generates piezoelectric output signals from human motions (pressing, bending) and from quantitative force test machine pressing. Furthermore, a record high interfacial adhesion strength (22 N cm−1) between the P(VDF-TrFE) layer and fabric layers has been measured by surface and interfacial cutting analysis system (SAICAS) for the first time in the field of fabric-based wearable piezoelectric electronics. © 2020 Elsevier Ltd
URI
http://hdl.handle.net/20.500.11750/12718
DOI
10.1016/j.nanoen.2020.104992
Publisher
Elsevier Ltd
Related Researcher
  • Author Lee, Yong Min Battery Materials & Systems LAB
  • Research Interests Battery; Electrode; Electrolyte; Separator; Simulation
Files:
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Collection:
Department of Energy Science and EngineeringBattery Materials & Systems LAB1. Journal Articles


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