Elaboración de micro-supercondensadores a partir de grafeno inducido por láser.

Abstract

The current project aims to obtain laser-induced graphene (LIG) under ambient conditions at two different laser powers, which has been characterized by optical microscopy, scanning electron microscopy, Van der Pauw analysis, and its Raman spectrum has been analyzed through a programming code that employs the Levenberg Marquardt method. This LIG was used to manufacture micro-supercapacitors, under different power conditions, electrode width, electrode spacing and electrolyte molarity, studying their behavior using the cyclic voltammetry technique. The results show that LIG presents edge defects and is multilayered, furthermore, the laser power plays an important role in its properties such as thickness, porosity, sheet resistance, density of defects; and it also influences the specific area capacitance of the LIG generated micro-supercapacitors.