An enhanced nano-energy harvesting device by hybrid piezoelectric/triboelectric composites

Nanoenergy plays a vital role in the micro energy supply of sensors and wearable devices. Higher driving and sensing capabilities are very important for devices. A hybrid nanogenerator (HENG) with cascaded piezoelectric (PENG) and triboelectric nanogenerator (TENG) was designed. The BNBT/PVDF and BN...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2022-10, Vol.33 (28), p.22588-22598
Main Authors: Yu, Chenxu, Xu, Jiwen, Yang, Tao, Qi, Tianpeng, Ye, Yashuai, Li, Taoliang, Shen, Yixuan, Yang, Ling, Zeng, Lixia, Wang, Hua, Zhou, Changrong, Rao, Guanghui
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Energy
Energy harvesting
Investigations
Light emitting diodes
Materials Science
Nanogenerators
Open circuit voltage
Optical and Electronic Materials
Piezoelectricity
Polymers
Screen printing
Sensors
Synergistic effect
Wearable technology
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Summary:Nanoenergy plays a vital role in the micro energy supply of sensors and wearable devices. Higher driving and sensing capabilities are very important for devices. A hybrid nanogenerator (HENG) with cascaded piezoelectric (PENG) and triboelectric nanogenerator (TENG) was designed. The BNBT/PVDF and BNN/PDMS composite films were used as the piezoelectric and triboelectric layers, respectively. The synergistic effect of the PENG and TENG units can improve the output signal. The open-circuit voltage of 120 V generated by the HENG is higher than that of the PENG and TENG. The obvious voltage signal is observed when the HENG is pressed by finger bending, palm tapping, and foot tapping. The stable output voltage of the HENG can drive 50 yellow LEDs. Therefore, the cascaded method provides a new design method for sensor and energy harvesting applications.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-022-09037-4