Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Nanogenerators"”.
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Design and Fabrication of Polyvinylidene Fluoride for Triboelectric Nanogenerators
Recently triboelectric nanogenerators (TENGs) have attracted huge interest because of their flexibility to harvest wasted mechanical energy. However, triboelectrification is a well-known phenomenon for centuries, the underlying physics behind it is still under debate, so a comprehensive study on …
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Wearable Power Sources and Self-powered Sensors Based on the Triboelectric Nanogenerators
… fabricated scalable fiber-based triboelectric nanogenerators (FTENG), which have been woven into textiles by an industrial loom for wearable use. This fabrication process can supply FTENG on a large scale and fast speed, bridging the gap between the TENG and weaving industry. With 3D printing, …
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Self-Powered Wearable Sweat Monitoring using 2D WS2 Textile Integrated Triboelectric Nanogenerators for Future Personalized Healthcare
… into textile-based self-powered triboelectric nanogenerators (TENGs) devices. The research introduces a novel fabrication approach for creating self powered biosensors by integrating 2D WS2 into textile substrates. 2D WS2 was produced via liquid-phase exfoliation and deposited onto fabrics …
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Graphene-based wearable textile-triboelectric nanogenerators and biokinetic sensors [Nanogeneratori triboelettrici tessili indossabili a base di grafene e sensori biocinetici]
Questa tesi si concentra sullo sviluppo di nanogeneratori triboelettrici tessili a base di grafene (T-TENG) per la raccolta di energia indossabile e il rilevamento del movimento. È stato sviluppato un nuovo approccio per la sintesi di inchiostro di grafene tramite esfoliazione in fase liquida …
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A Smart Energy-Efficient Hybrid Gait Monitoring System
<p>Triboelectric nanogenerators are devices that harvest mechanical energy from the environment and turn it into electricity. By coupling the effect of contact electrification and electrostatic induction between two materials that come into contact and then separate they can convert the irregular, …
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Influence of High Aspect Ratio Nanoparticle Filler Addition on Piezoelectric Nanocomposites
<p>Piezoelectric nanogenerators (PNGs) are a new class of energy harvesting materials that show potential as a direct energy source for low powered electronics. Recently, piezoelectric polymers have been utilized for PNG technology due to low toxicity, high flexibility, and facile solution …
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Advanced Manufacturing of Functional Lightweight Conductive Composite Systems for Sustainable and Flexible Electronics
… capacitors, supercapacitors and triboelectric nanogenerators (TENGs) and fuel cells. This research emphasizes the need to explore the influence of intense flow fields encountered during CPC fabrication, particularly in advanced manufacturing processes, on the materials' electrical and EMI …
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Piezoelectric-based Multi-Scale Multi-Environment Energy Harvesting
… these arrays could be promising candidates for nanogenerators. Different designs for energy harvesters were explored as a means of improving energy conversion efficiency. Piezoelectric energy harvesters were designed and constructed for applications with a low frequency vibrational energy and …
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Particle-Based Triboelectric Vibration Sensor for Speech Recognition and Remote Machine Condition Monitoring
… particularly those utilising triboelectric nanogenerators, hold great promise for real-time monitoring of dynamic loads and structural health without external power sources. Based on the triboelectric effect and electrostatic induction, a triboelectric vibration sensor can convert mechanical …
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Turning food waste into value: Developing triboelectric devices for various applications from pomelo-peel biomass
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-08-01
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Surface Acoustic Waves Propagation and Coupling Fields in Piezomagnetic and Piezoelectric Semiconductor Layered Structures
… potential transistors, magnetically driven nanogenerators, and LED photovoltaic devices can be obtained, which have great potential applications. In this thesis, several fundamental surface acoustic wave (SAW) problems in multiferroic composite semiconductors (MCSs) are systematically …