A bionic stretchable nanogenerator for underwater sensing and energy harvesting

Yang Zou, Puchuan Tan, Bojing Shi, Han Ouyang, Dongjie Jiang, Zhuo Liu, Hu Li, Min Yu, Chan Wang, Xuecheng Qu, Luming Zhao, Yubo Fan (), Zhong Lin Wang () and Zhou Li ()
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Yang Zou: Chinese Academy of Sciences
Puchuan Tan: Chinese Academy of Sciences
Bojing Shi: Chinese Academy of Sciences
Han Ouyang: Chinese Academy of Sciences
Dongjie Jiang: Chinese Academy of Sciences
Zhuo Liu: Chinese Academy of Sciences
Hu Li: Chinese Academy of Sciences
Min Yu: Foshan University
Chan Wang: Chinese Academy of Sciences
Xuecheng Qu: Chinese Academy of Sciences
Luming Zhao: Chinese Academy of Sciences
Yubo Fan: Beihang University
Zhong Lin Wang: Chinese Academy of Sciences
Zhou Li: Chinese Academy of Sciences

Nature Communications, 2019, vol. 10, issue 1, 1-10

Abstract: Abstract Soft wearable electronics for underwater applications are of interest, but depend on the development of a waterproof, long-term sustainable power source. In this work, we report a bionic stretchable nanogenerator for underwater energy harvesting that mimics the structure of ion channels on the cytomembrane of electrocyte in an electric eel. Combining the effects of triboelectrification caused by flowing liquid and principles of electrostatic induction, the bionic stretchable nanogenerator can harvest mechanical energy from human motion underwater and output an open-circuit voltage over 10 V. Underwater applications of a bionic stretchable nanogenerator have also been demonstrated, such as human body multi-position motion monitoring and an undersea rescue system. The advantages of excellent flexibility, stretchability, outstanding tensile fatigue resistance (over 50,000 times) and underwater performance make the bionic stretchable nanogenerator a promising sustainable power source for the soft wearable electronics used underwater.

Date: 2019
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DOI: 10.1038/s41467-019-10433-4

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