Piezoelectric-Triboelectric Hybrid Nanogenerator for Energy Harvesting and Self-Powered Sensing Applications
Hussain S.Z. Singh V.P. Sadeque M.S.B. Yavari S. Kalimuldina G. Ordu M.
29 October 2025John Wiley and Sons Inc
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2025#21Issue 43
In the contemporary era, self-powered sensors have gained significant attention, particularly in the domains of wearable devices, flexible electronics, healthcare monitoring devices, and the Internet of Things (IoT). Among the most promising technologies for mechanical energy harvesting are piezoelectric nanogenerators (PENGs) and triboelectric nanogenerators (TENGs), both of which convert ambient mechanical energy into electrical energy. However, the electrical output from either PENGs or TENGs alone is often insufficient to meet the power requirements of electronic devices. To address this limitation, the integration of piezoelectric and triboelectric effects into a single system has led to the emergence of piezoelectric-triboelectric hybrid nanogenerators (PT-HNGs). These hybrid systems represent a new class of energy harvesting devices capable of significantly enhancing energy conversion efficiency and output performance. This review provides a comprehensive overview of recent progress in developing PT-HNGs, focusing on their underlying mechanisms, structural designs, coupling effects, performance optimization strategies, and diverse application potentials. It highlights the hybrid systems unique synergy and real-world applicability, aiming to fill a critical gap in the literature. In addition, the review discusses the existing challenges, future directions, and prospects for the commercialization of PT-HNG technology.
energy harvester , hybrid nanogenerators , piezoelectricity , self-powered sensing , triboelectricity
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UNAM National Nanotechnology Research Center and Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, 06800, Turkey
Fiber Science Program, Department of Human Centered Design, College of Human Ecology, Cornell University, Ithaca, 14853, NY, United States
Department of Mechanical and Aerospace Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Astana, 010000, Kazakhstan
UNAM National Nanotechnology Research Center and Institute of Materials Science and Nanotechnology
Fiber Science Program
Department of Mechanical and Aerospace Engineering
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