A Self-Sustainable, Ultrarobust and High-Power-Density Triboelectric Nanogenerator for In Situ Powering of Marine Internet of Things
© 2025 Wiley‐VCH GmbH.
| Publié dans: | Advanced materials (Deerfield Beach, Fla.). - 1998. - 37(2025), 42 vom: 01. Okt., Seite e11283 |
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| Auteur principal: | |
| Autres auteurs: | , , , , , , , , |
| Format: | Article en ligne |
| Langue: | English |
| Publié: |
2025
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| Accès à la collection: | Advanced materials (Deerfield Beach, Fla.) |
| Sujets: | Journal Article durability electrical load‐capacity energy management marine IoT triboelectric nanogenerator |
| Résumé: | © 2025 Wiley‐VCH GmbH. The sustainable operation of marine Internet of Things (IoT), as a critical enabler for marine resource utilization, is hindered by the lack of robust energy solutions capable of powering advanced functionalities in unpredictable oceanic environments. Here, a self-sustainable, highly reliable triboelectric nanogenerator system is presented that synergizes a non-contact architecture with dynamic charge supplementation and multiphase electrode design to overcome persistent limitations in durability, energy storage, and water wave adaptability. The system achieves a 3-fold enhancement in output charge with 97% performance retention over 20 million cycles-5.2 times more durable than state-of-the-art counterparts. A chaotic double-pendulum structure further broadens operational bandwidth to 0.4-1.0 Hz with the charge accumulation rate of 4.6 times, enabling record-breaking average power density of 13.53 W m-3 Hz-1. Furthermore, an adaptive ultralow-powered (244 nW) integrated management circuit with on-demand direct current supply functionality ensures a 394-fold energy storage speed, successfully sustaining real-time GPS communication and water quality monitoring in autonomous buoys. This work establishes a scalable, maintenance-free paradigm for marine energy harvesting, directly addressing the energy paradox in IoT deployment while advancing sustainable resource management and climate resilience strategies |
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| Description: | Date Revised 23.10.2025 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
| ISSN: | 1521-4095 |
| DOI: | 10.1002/adma.202511283 |