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Development and Characterization of Sustainable Polyethylene Oxide-Mica Composites for Triboelectric Nanogenerators
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Researchers developed sustainable triboelectric nanogenerators using bio-based polyethylene oxide combined with natural muscovite mica, optimizing filler content, film thickness, and crystallization to enhance surface charge density and electrical performance for use in sensors and small electronic devices.
Energy harvesting innovatively captures clean ambient environmental energy, that is subsequently converted into electricity. Triboelectric nanogenerators (TENG) harvest mechanical energy through the coupled effects of dielectric contact electrification and electrostatic induction. TENG would be most successful for sensors and small electronic devices due to their lightweight, affordable materials, low fabrication costs, and high energy conversion. This thesis’s motivation was to develop a sustainable, recyclable, and high-performance dielectric, furthering advancements for tribo-positive materials. Study 1 demonstrated the successful integration of bio-based polyethylene oxide with natural muscovite mica, by optimizing filler mass content, film thickness, and electrical performance. Study 2 further investigated the effects of isothermal crystallization and the degree of mica exfoliation on topographical and tribological properties. The physical surface properties provided direct insights on contact area, adhesive interactions, and electrical performance. Material development and novelty ultimately is a critical research field for enhancing TENG surface charge density, durability, and sustainability.
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A robust antagonistically assembled triboelectric nanogenerator based on dead‐end closed pore through a one‐step improved phase separation
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Researchers developed an antagonistically structured triboelectric nanogenerator (A-TENG) using recyclable polycarbonate with a honeycomb porous structure and liquid-infused surface coating, demonstrating its ability to convert low-frequency mechanical energy from human motion and raindrops into electricity for wearable sensors and self-powered devices.
Upcycling of Waste Materials for the Development of Triboelectric Nanogenerators and Self‐Powered Applications
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This review explores the use of diverse waste streams — including biowaste, textiles, electronics, and medical waste — as materials for fabricating triboelectric nanogenerators (TENGs), which convert mechanical energy to electricity, offering a dual solution for plastic waste management and sustainable power generation for wearable and IoT devices.
Green and Eco-Friendly Triboelectric Nanogenerators
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This book chapter explored the design, fabrication, and performance of triboelectric nanogenerators (TENGs) constructed from environmentally friendly, renewable resources including agricultural waste byproducts and naturally derived materials. The chapter addressed both the environmental concerns of conventional TENG materials contributing to electronic waste and plastic pollution, and the performance of eco-friendly alternatives for powering portable electronics and self-powered systems.
Enhanced Area Triboelectric Nanogenerator Utilizing Recycled Single Used Plastic Bubble Wrap and Discarded Sketching Paper Ensuring Circularity of Material
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Researchers developed a low-cost triboelectric nanogenerator (TENG) made from recycled single-use bubble wrap and discarded sketching paper, demonstrating a way to convert waste plastics into functional energy-harvesting devices. The study suggests that repurposing plastic waste into sustainable electronics could help address both plastic pollution and energy consumption concerns.
Recycled Thermocol Nanofibers Based Smart Triboelectric Nanogenerators for AI‐Assisted Switching
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Researchers transformed discarded expanded polystyrene (EPS/thermocol) waste into electrospun nanofibers and used them as the tribonegative layer in a triboelectric nanogenerator, achieving an output power density of 2083 mW/m² — outperforming standard polymers like PTFE. Converting plastic waste into functional energy-harvesting materials offers a waste-reduction pathway that simultaneously addresses the EPS pollution contributing to marine microplastic loads.
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