Journal
NANO ENERGY
Volume 100, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2022.107506
Keywords
Triboelectric nanogenerator; Self-powered power supply; ZnO; PAN nanofiber membrane; Waterproof; Outdoor adventure
Categories
Funding
- National Natural Science Foundation of China [52103146, 51573133]
- Scientific Research Project of Tianjin Municipal Education Commission [2019ZD01]
- Natural Science Foundation of Ningbo [2018A610104]
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This article reports a waterproof and humidity-resistant triboelectric nanogenerator (TENG) composed of a three-dimensional polydimethylsiloxane (PDMS) film and polyacrylonitrile (PAN) nanofiber/zinc oxide nanorods (ZnO NRs) composite membrane. The TENG exhibits excellent electrical output performance even in high-humidity environments, making it highly promising for various applications.
Triboelectric nanogenerators (TENGs) have attracted wide attention in recent years for powering wearable electronics. However, the electrical output of TENGs is severely affected in high-humidity environments, which greatly limits their applications. Herein, we reported a waterproof, humidity-resistant TENG consisting of threedimensional (3D) micro-structured polydimethylsiloxane (PDMS) film and polyacrylonitrile (PAN) nanofiber/ zinc oxide nanorods (ZnO NRs) composite membranes triboelectric material. Hereafter, we call it 3D PDMS-ZnO/ PAN TENG. The introduction of ZnO NRs on PAN nanofiber and 3D structured PDMS significantly enhances the electrical output of the fully packaged TENG, offering a maximum power density of 184.6 mu W/cm2. Under the impact force of 30 N at 2 Hz frequency, the fabricated TENG can generate voltage and current of approximately 166 V and 37 mu A. In addition, the TENG also exhibits an excellent electrical output performance at high humidity (up to 92 % RH) and even inside water. We further show that our TENG can work as a sustainable power source to drive commercial light-emitting diodes (LEDs), calculator, and hygrothermograph. Given its excellent electrical output performance in water and humid conditions, the TENG has a great potential for powering outdoor electronics in extreme weather.
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