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Self‑Powered Airflow Sensor Based on Energy Harvesting of Ventilation Air in Buildings

Advanced Fiber Materials 2023年第5期5卷 1788-1798页

作者： Moon Hyun Chung Seunghwan Yoo Woo‑Nam Jung hakgeun jeong Kyung‑Hwa Yoo Department of Physics Yonsei University50 Yonsei‑RoSeodaemun‑GuSeoul 03722Republic of Korea Energy ICT Convergence Research Department Energy Efficiency Research DivisionKorea Institute of Energy Research152 Gajeong‑RoYuseong‑GuDaejeon 34129Republic of Korea Advanced Combustion Power Lab Energy Efficiency Research DivisionKorea Institute of Energy Research152Gajeong‑RoYuseong‑GuDaejeon 34129Republic of Korea Department of Mechanical Engineering Korea Advanced Institute of Science and Technology(KAIST)291 Daehak‑RoYuseongDaejeon 34141Republic of Korea

Heating,ventilation,and air conditioning(HVAC)systems account for one-third of the total energy consumption in office *** use of airflow measurements to control the operation of HVAC systems can reduce energy consumption;thus,a sensor capable of monitoring airflow in a duct system is *** nanogenerators(TENGs)can be utilized as self-powered sensors in airflow-driven TENGs(ATENGs)as self-powered *** employing ferroelectric materials and surface modifications,the surface charges of TENGs can be *** this study,fibrous-mat TENGs were prepared using ferroelectric materials consisting of poly(vinylidene fluoride-co-trifluoroethylene)(PVDF-TrFE)and polyamide 11(nylon-11).And these materials were subsequently ***(3,4-ethylenedioxythiophene):poly(styrenesulfonate)was added to PVDF-TrFE to enhance the ferroelectric crystalline phase.X-ray diffraction analysis revealed that this incorporation affects theβ*** addition,the surface of nylon-11 was modified using the electrospray technique for post-treatment,thereby improving the interfacial adhesion between the *** materials were then utilized in fibrous-mat ATENGs(FM-ATENGs)to demonstrate their practical *** FM-ATENGs can be effectively used in an Arduino airflowcheck sensor,showcasing their potential for application in HVAC systems,to enhance airflow control and energy efficiency.

关键词： HVAC Airflow-driven triboelectric nanogenerator Building energy harvesting Fibrous mat Airflow sensor

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