Flexible Thermoelectric Films by Electrospinning

Flexible thermoelectric (TE) products that convert temperature difference into electrical energy can be used as textile materials to harvest human body heat into electrical power for portable, low-power microelectronic products. To this end, this study investigated a newly developed electrospinning process for producing flexible TE films. After electrospinning, thermoelectric properties of the test samples were extracted through a self-developed measurement apparatus for simple, accurate, and direct thermoelectric measurements. We then compared the results with the literature. According to the test data, potentials and challenges of electrospinning on flexible TE devices were finally discussed in this study.