Abstract
An attractive method to get a sustainable and green power source is to harvest energy from our living environment. However, most of devices for energy generation are fabricated by using bioincompatible materials, which limits their application in biomedical field. Here, we developed an arch-shaped biomedical triboelectric nanogenerator (TENG), which is fabricated by assembling two biocompatible polymer sheets made of materials having different triboelectric charactristics. The power generation mechanism and the electric output of the TENG, the thickness of the polymer sheet, and the style of lines loacated on the electrode were studied. The instantaneous output voltage and current density of the TENG can reach to 310.5 V and 16.2 μA, which can drive several commercial light-emitting diodes (LEDs). Additionally, we found that the appropriate thickness of the sheet and folding line’s design are both helpful to enhance the TENG’s performance. The survival rate of mouse L929 cells stimulated by TENG was significantly higher than that of the negative controlled test. Based on the TENG’s biomecical charateristic, such TENGs have the potential of harvesting energy from biological activities to drive biomedical devices possibly in vivo.
Published Version
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