Natural wood-based triboelectric nanogenerators with high fire-safety for energy harvesting toward intelligent buildings

文献情報

出版日 2023-11-29

DOI 10.1039/D3TA05449G

インパクトファクター 12.732

著者

Bo Tang, Ze-Peng Deng, Jia-Min Wu, Yu-Yao Zhao, Qiang-Wu Tan, Fei Song, Xiu-Li Wang, Yu-Zhong Wang

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要旨

Developing advanced fire-safe and self-energy-supplied wood materials is of significant importance for environmental science, wearable electronics, and human–machine communication, as witnessed in the concept of smart living. However, knowing how to simultaneously achieve high flame retardancy and strong triboelectric effects remains critical for such sustainable materials. Here, we demonstrate a wood-based triboelectric nanogenerator with simultaneous high fire-safety and triboelectric energy generation performances. The incorporation of a polar polycationic polymer offers significantly enhanced triboelectric effects to natural woods, generating an output power density of 119.7 mW m−2. The P–N synergistic flame retardancy enables the high fire-safety of the nanogenerators in terms of a condensed and vapor phase flame retardant mechanism. Notably, the nanogenerators exhibit self-extinguishing behavior, and over 32% and 73% of the electrical output is still retained even after continual exposure to a flame for 50 s or in the case of the damaged area covering 60% of the nanogenerator, respectively. We further demonstrate applications of the nanogenerators for self-powered wireless fire alarm , emergency rescue guidance, and real-time motion monitoring. Utilizing the structural design involving polar N-containing polycationic polymers to enhance triboelectric performance and confer fire resistance offers an effective approach for developing advanced wood materials geared towards intelligent buildings.

掲載誌

Journal of Materials Chemistry A

CiteScore: 19.5

自己引用率: 4.7%

年間論文数: 2211

Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment

Natural wood-based triboelectric nanogenerators with high fire-safety for energy harvesting toward intelligent buildings

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