Quenched PVDF/PMMA Porous Matrix for Triboelectric Energy Harvesting and Sensing

Mubarak A. Sarsembayev B. Serik Y. Onabek A. Kappassov Z. Bakenov Z. Tsuchiya K. Kalimuldina G.
January 2025 John Wiley and Sons Inc

Energy and Environmental Materials
2025 #8 Issue 1

The rapid development of nanotechnology has significantly revolutionized wearable electronics and expanded their functionality. Through introducing innovative solutions for energy harvesting and autonomous sensing, this research presents a cost-effective strategy to enhance the performance of triboelectric nanogenerators (TENGs). The TENG was fabricated from polyvinylidene fluoride (PVDF) and N, N′-poly(methyl methacrylate) (PMMA) blend with a porous structure via a novel optimized quenching method. The developed approach results in a high β-phase content (85.7%) PVDF/3wt.%PMMA porous blend, known for its superior piezoelectric properties. PVDF/3wt.%PMMA modified porous TENG demonstrates remarkable electrical output, with a dielectric constant of 40 and an open-circuit voltage of approximately 600 V. The porous matrix notably increases durability, enduring over 36 000 operational cycles without performance degradation. Moreover, practical applications were explored in this research, including powering LEDs and pacemakers with a maximum power output of 750 mW m⁻². Also, TENG served as a self-powered tactile sensor for robotic applications in various temperature conditions. The work highlights the potential of the PVDF/PMMA porous blend to utilize the next-generation self-powered sensors and power small electronic devices.

N,N′-poly(methyl methacrylate) (PMMA) , polyvinylidene fluoride (PVDF) , quenching , robotic tactile sensors , triboelectric nanogenerators (TENGs)

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Department of Mechanical and Aerospace Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Institute of Smart Systems and Artificial Intelligence, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Department of Robotics Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Astana, 010000, Kazakhstan
Micro/Nano Technology Center, Tokai University, 4-1-1 Kitakaname, Kanagawa, Hiratsuka, 259-1292, Japan

Department of Mechanical and Aerospace Engineering
Institute of Smart Systems and Artificial Intelligence
Department of Robotics Engineering
Department of Chemical and Materials Engineering
Micro/Nano Technology Center

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