Designing and Analysis of Different Modes of Triboelectric Nanogenerator-based Sensors for IOT

Today, the world has shifted towards IoT and Power conversation methods. For this, there are various traditional methods, but the need for energy in those methods is huge. Triboelectric generators are nanostructures with fast recovery, robust mechanisms, compact structures, and highly efficient systems. Triboelectric generators are self-powered and can sense changes due to mechanical energy and convert them into electrical energy as well. TENGs are basically divided into three categories, contact mode, sliding mode, and freestanding mode. The objective of this paper is to design and analyze the structure and parameters of these three modes of TENGs and to demonstrate their applications in the field of IoT, sensors, Power conservation as well as Power generation. The designed structure can detect the changes in the separation between the electrodes as small as of the order of a few millimeters. We have compared the properties and characteristics of these three modes with each other and have plotted the curves for the variation of open-circuit voltage and the surface charge densities for a short circuit with the change in the separation of electrodes. Along with the ability of this generator to analyze the changes in the separation due to external parameters, it can also give information about the extent to which it gets impacted. The voltage sensitivities of the sensor are as high as 64,000Vm
^-1
for contact mode and 3,00,000 Vm
^-1
for the freestanding mode of the TENG sensor.