Research Article

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2017, 10(3): 785–793

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https://doi.org/10.1007/s12274-016-1331-3

Multilayered flexible nanocomposite for hybrid nanogenerator enabled by conjunction of piezoelectricity and triboelectricity

Huayang Li1, Li Su1, Shuangyang Kuang1, Youjun Fan1, Ying Wu2, Zhong Lin Wang1,3 (*), and Guang Zhu1 (*)

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1 Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences; National Center for Nanoscience and Technology (NCNST), Beijing 100083, China
2 Chongqing University of Science and Technology, Chongqing 401331, China
3 School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA

Keywords: energy harvesting, nanocomposite, hybrid nanogenerator, piezoelectricity, triboelectricity
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ABSTRACT We fabricate a flexible hybrid nanogenerator (HNG), based on multilayered nanocomposite materials, which integrates a piezoelectric nanogenerator (PENG) and a triboelectric nanogenerator (TENG) into a single structure with only two electrodes. The HNG enables enhancement of the electrical output of the nanogenerators. An open-circuit voltage of 280 V and a short-circuit current of 25 μA are achieved by a HNG of 2.5 cm × 2.5 cm in size, superior to the performance of previously reported HNGs. In addition, the energy-conversion process of the HNG relies on the working mechanism of both the PENG and TENG. The polarization direction and doping content of BTO are the two major factors that affect the electrical output. Biomechanical energy harvesting from walking motion or the bending of an arm is also demonstrated.
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Multilayered flexible nanocomposite for hybrid nanogenerator enabled by conjunction of piezoelectricity and triboelectricity. Nano Res. 2017, 10(3): 785–793 https://doi.org/10.1007/s12274-016-1331-3

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