Flexible carbon cloth-based single-electrode triboelectric nanogenerators with incorporated TiO2 nanoparticles
Kruchinin R. Nurmakanov Y. Nauryzbayev G. Adair D. Bakenov Z. Kalimuldina G.
November 2022Elsevier Ltd
Energy Reports
2022#815048 - 15056 pp.
Recently, flexible triboelectric nanogenerators (TENGs) have gained significant interest as a promising autonomous technology for harvesting abundant mechanical energy and powering portable electronic devices. In this work, a high-performance flexible single-electrode TENG (SETENG) is presented with a highly conductive carbon cloth (CC) textile electrode and an encapsulating triboelectric material based on polydimethylsiloxane (PDMS). To increase the generation of triboelectric charges, a rough microtextured surface is implemented on the PDMS friction layer through a simple imprint lithography approach. In addition, the output performance of the prepared SETENG device is further improved by incorporating various concentrations of titanium dioxide (TiO2) nanoparticles. As a result, flexible CC@TiO2-PDMS SETENGs efficiently converts the mechanical energy into electrical power through continuous contact/separation processes caused by the counter tribo-positive friction objects (i.e., human skin, nylon, and cotton fabrics). It was shown that a sample with 5 wt% TiO2, CC@5wt%TiO2-PDMS SETENG, achieves the highest output and a sample of 6 × 2.5 cm2 area could charge capacitors (0.1, 1, 10μF) and power 130 LEDs connected in series. Finally, the demonstration of a fully functioning SETENG-powered calculator provides strong evidence of the current maturity of the technology and its excellent potential for self-powered small electronics application.
Carbon cloth , Energy harvesting , Mechanical energy , Polydimethylsiloxane , Self-powered electronics , Triboelectric nanogenerator
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School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan
Department of Electrical and Computer Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan
Department of Mechanical and Aerospace Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan
Department of Chemical and Materials Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave. 53, Nur-Sultan, 010000, Kazakhstan
School of Engineering and Digital Sciences
Department of Electrical and Computer Engineering
Department of Mechanical and Aerospace Engineering
Department of Chemical and Materials Engineering
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