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      Flexible and durable wood-based triboelectric nanogenerators for self-powered sensing in athletic big data analytics

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          Abstract

          In the new era of internet of things, big data collection and analysis based on widely distributed intelligent sensing technology is particularly important. Here, we report a flexible and durable wood-based triboelectric nanogenerator for self-powered sensing in athletic big data analytics. Based on a simple and effective strategy, natural wood can be converted into a high-performance triboelectric material with excellent mechanical properties, such as 7.5-fold enhancement in strength, superior flexibility, wear resistance and processability. The electrical output performance is also enhanced by more than 70% compared with natural wood. A self-powered falling point distribution statistical system and an edge ball judgement system are further developed to provide training guidance and real-time competition assistance for both athletes and referees. This work can not only expand the application area of the self-powered system to smart sport monitoring and assisting, but also promote the development of big data analytics in intelligent sports industry.

          Abstract

          Intelligent sensing technologies gain interest for the internet of things and applications that require collection and analysis of big data. Here the authors report a flexible and durable wood-based triboelectric nanogenerator for self-powered sensing in athletic big data analytics.

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          Most cited references31

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          Internet of Things: A Survey on Enabling Technologies, Protocols, and Applications

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            Progress in triboelectric nanogenerators as a new energy technology and self-powered sensors

            A review on the principles, novel applications and perspectives of triboelectric nanogenerators as power sources and as self-powered sensors.
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              Transparent triboelectric nanogenerators and self-powered pressure sensors based on micropatterned plastic films.

              Transparent, flexible and high efficient power sources are important components of organic electronic and optoelectronic devices. In this work, based on the principle of the previously demonstrated triboelectric generator, we demonstrate a new high-output, flexible and transparent nanogenerator by using transparent polymer materials. We have fabricated three types of regular and uniform polymer patterned arrays (line, cube, and pyramid) to improve the efficiency of the nanogenerator. The power generation of the pyramid-featured device far surpassed that exhibited by the unstructured films and gave an output voltage of up to 18 V at a current density of ∼0.13 μA/cm(2). Furthermore, the as-prepared nanogenerator can be applied as a self-powered pressure sensor for sensing a water droplet (8 mg, ∼3.6 Pa in contact pressure) and a falling feather (20 mg, ∼0.4 Pa in contact pressure) with a low-end detection limit of ∼13 mPa.
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                Author and article information

                Contributors
                fan296@purdue.edu
                zlwang@gatech.edu
                Journal
                Nat Commun
                Nat Commun
                Nature Communications
                Nature Publishing Group UK (London )
                2041-1723
                26 November 2019
                26 November 2019
                2019
                : 10
                : 5147
                Affiliations
                [1 ]ISNI 0000000119573309, GRID grid.9227.e, CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, , Chinese Academy of Sciences, ; Beijing, 100083 P. R. China
                [2 ]ISNI 0000 0004 1797 8419, GRID grid.410726.6, School of Nanoscience and Technology, , University of Chinese Academy of Sciences, ; Beijing, 100049 P. R. China
                [3 ]ISNI 0000 0001 2097 4943, GRID grid.213917.f, School of Material Science and Engineering, , Georgia Institute of Technology, ; Atlanta, Georgia 30332 USA
                [4 ]ISNI 0000 0004 1937 2197, GRID grid.169077.e, Flex Laboratory, School of Industrial Engineering, , Purdue University, West Lafayette, ; Indiana, 47907 USA
                Author information
                http://orcid.org/0000-0003-2785-1684
                http://orcid.org/0000-0003-0141-4291
                http://orcid.org/0000-0002-5530-0380
                Article
                13166
                10.1038/s41467-019-13166-6
                6879608
                31772189
                d43993dd-22d5-4278-8b36-5b764de1f038
                © The Author(s) 2019

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

                History
                : 11 July 2019
                : 24 October 2019
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                © The Author(s) 2019

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                nanoscience and technology,physics
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                nanoscience and technology, physics

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