Journal
ACS APPLIED ENERGY MATERIALS
Volume 2, Issue 2, Pages 1357-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsaem.8b01931
Keywords
core-shell; helical structure; internal friction; triple structure; wearable energy harvesting; triboelectric nanogenerator
Funding
- Mid-career Researcher Program through NRF - MSIT (Ministry of Science and ICT) [2016R1A2B3009423]
- Basic Science Research Program through the NRF - Ministry of Education of Korea [2018R1A6A1A03015496]
- National Research Foundation of Korea [2017R1A6A1A03015496] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Energy-harvesting technologies that generate continuous power from human movement by wearable devices have attracted increasing attention and demand. Flexible fibers or cylindrical triboelectric nanogenerators with a 1-dimensional structure have the advantage of being mass-producible. In this Article, we propose a core shell and helical-structured cylindrical triboelectric nanogenerator (CCTENG) that can generate power by various deformations and human movements. Unlike conventional triboelectric nanogenerators that leverage limited motion, CCTENGs generate energy from various deformations, including compression and rubbing, and they have fewer environmental constraints. The fabricated CCTENGs generated a maximum 169 V and 18.9 mu A, and we verified the potential for a newly structured CCTENG that enables self-powered generation-sensing applications from the harvested energy.
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