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| Title | Advanced Triboelectric Nanogenerator: Leveraging Density Of States Matching And Leakage Current Mitigation |
|---|---|
| ID_Doc | 6566 |
| Authors | Akram S.; Ou S.; Wu S.; Ji J.; Fei C.; Alam H.; Wang S.; Guan X.; Huang J.; Naveed A. |
| Year | 2025 |
| Published | Chemical Engineering Journal, 519 |
| DOI | http://dx.doi.org/10.1016/j.cej.2025.164813 |
| Abstract | Millions of sensors are required to build smart cities, smart grids, industrial IoT devices, wearable health monitoring devices, and autonomous vehicles. Triboelectric nanogenerators (TENGs) present a promising solution for sustainable energy harvesting to power these sensors. However, limited current restricts their practical applications. Recent advancements have used conductive-conductive layers instead of dielectric-dielectric layers to match the density of states and overcome the limited current issues of TENGs. However, the use of fully conductive materials for TENGs, such as PEDOT for one layer and copper for another, enhances the risk of leakage current and electrical breakdown. To address these issues, this work proposes a conductive coating of PEDOT on PVDF powder, which is a highly piezoelectric material, and then mixes them in epoxy. In this way, the hybrid composite layer and the copper layer of TENGs maintain high charge transfer capabilities while mitigating the risks associated with fully conductive materials. The results have shown that this PEDOT-coated PVDF composite not only enhances charge collection but also ensures electrical stability and durability, providing a robust solution for next-generation TENGs applications. This approach offers more practical and efficient TENGs performance for smart sensor technologies. © 2025 Elsevier B.V. |
| Author Keywords | Conductive-conductive layer TENG; Density of states matching; Flexible electronics; Triboelectric nanogenerators; Ultrahigh output current |
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