Green Triboelectric Nano-Generator Composite of Degradable Cellulose, Piezoelectric Polymers of PVDF PA6

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Green Triboelectric Nano-Generator Composite of Degradable Cellulose, Piezoelectric Polymers of PVDF PA6 ( green-triboelectric-nano-generator-composite-degradable-cell )

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Sensors 2020, 20, 506 12 of 14 1.321 times, and the short-circuit output current peak is increased to a maximum value by 1.161 times. After four assemblies, the open circuit output voltage and short circuit output current are greatly reduced. This is due to the large internal resistance of the friction layer and the loss of the device itself during the rectification process and the phase frequency of the TENG output are not synchronized, resulting in a small increase in the output voltage and short-circuit output current after assembly. Within 500 s, the charge peak of single charge, two reaches and four charge reaches 3.114 V, 3.840 V, and 1.903 V, respectively. This ensures long-term storage of electrical energy and subsequent supply of power to the electronics. The test shows that the proposed cellulose-based nano-generator device has good stability and reliability, and can be widely used in the field of energy harvesting conversion storage, which greatly promotes the application and development of natural biomaterials in the field of TENG and other electronic sensing devices. Author Contributions: Z.S. conducts full-text writing and ideas, L.Y. and S.L. are engaged in experiments and data processing as well as language writing, J.Z. is responsible for final check, Z.H. is responsible for experiments and characterization, W.S. is engage in funding and contacts. All authors have read and agreed to the published version of the manuscript. Funding: We gratefully acknowledge the financial support by China Postdoctoral Science Foundation Funded Project (Grant No. 2018M630330 & No. 2019T120245), Natural Science Foundation of Heilongjiang Province (Grant No. QC2018046), National Natural Science Foundation of China (Grant No. 51905085), and Fundamental Research Funds for the Central Universities (Grant No. 2572017PZ12). Conflicts of Interest: We declare here that there is no conflict of interest. References 1. Karan, S.K.; Maiti, S.; Agrawal, A.K.; Das, A.K.; Maitra, A.; Paria, S.; Bera, A.; Bera, R.; Halder, L.; Mishra, A.K.; et al. Designing high energy conversion efficient bio-inspired vitamin assisted single-structured based self-powered piezoelectric/wind/acoustic multi-energy harvester with remarkable power density. Nano Energy 2019, 59, 169–183. [CrossRef] 2. Liu, X.; Zhao, K.; Yang, Y. Effective polarization of ferroelectric materials by using a triboelectric nanogenerator to scavenge wind energy. Nano Energy 2018, 53, 622–629. [CrossRef] 3. Chen, B.; Yang, Y.; Wang, Z.L. Scavenging Wind Energy by Triboelectric Nanogenerators. Adv. Energy Mater. 2018, 8, 10. 4. Qian, J.G.; Jing, X.J. Wind-driven hybridized triboelectric-electromagnetic nanogenerator and solar cell as a sustainable power unit for self-powered natural disaster monitoring sensor networks. Nano Energy 2018, 52, 78–87. [CrossRef] 5. Hou, H.D.; Xu, Q.K.; Pang, Y.K.; Hou, H.D.; Xu, Q.K.; Pang, Y.K.; Li, L.; Wang, J.L.; Zhang, C.; Sun, C.W. Efficient Storing Energy Harvested by Triboelectric Nanogenerators Using a Safe and Durable All-Solid-State Sodium-Ion Battery. Adv. Sci. 2017, 4, 8. [CrossRef] 6. Yuan, Z.Q.; Du, X.Y.; Li, N.W.; Yin, Y.Y.; Cao, R.; Zhang, X.L.; Zhao, S.Y.; Niu, H.D.; Jiang, T.; Xu, W.H.; et al. Triboelectric-Based Transparent Secret Code. Adv. Sci. 2018, 5, 4. [CrossRef] 7. Pu, X.; Liu, M.M.; Li, L.X.; Zhang, C.; Pang, Y.K.; Jiang, C.Y.; Shao, L.H.; Hu, W.G.; Wang, Z.L. Efficient Charging of Li-Ion Batteries with Pulsed Output Current of Triboelectric Nanogenerators. Adv. Sci. 2016, 3, 1. [CrossRef] 8. Kuang, S.Y.; Zhu, G.; Wang, Z.L. Triboelectrification-Enabled Self-Powered Data Storage. Adv. Sci. 2018, 5, 2. [CrossRef] 9. Yin, Y.Y.; Zhang, X.L.; Du, X.Y.; Zhou, T.; Li, N.W.; Xu, W.H.; Li, C.J. Efficient Charging of Lithium-Sulfur Batteries by Triboelectric Nanogenerator Based on Pulse Current. Adv. Mater. Technol. 2019, 4, 2. [CrossRef] 10. Han, S.; Kim, J.; Won, S.M.; Ma, Y.J.; Kang, D.; Xie, Z.Q.; Lee, K.; Chung, H.U.; Banks, A.; Min, S.; et al. Battery-free, wireless sensors for full-body pressure and temperature mapping. Sci. Transl. Med. 2018, 10, 435. [CrossRef] 11. Liu, Y.H.; Norton, J.J.S.; Qazi, R.; Zou, Z.N.; Ammann, K.R.; Liu, H.; Yan, L.K.; Tran, P.L.; Jang, K.; Lee, J.W.; et al. Epidermal mechano-acoustic sensing electronics for cardiovascular diagnostics and human-machine interfaces. Sci. Adv. 2016, 2, 11. [CrossRef] [PubMed]

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