چكيده به لاتين
Nowadays academic researchers are looking for device to be used in the field of electrical energy storage that despite the advantages of batteries and capacitors does not have the disadvantages of these two devices. In fact, batteries have a higher energy density than capacitors, but due to the use of chemical reactions, they do not function quickly. In other words, their power density is low. Capacitors, on the other hand, due to the use of electrostatic separation of electrical charges, provide stored energy to the consumer quickly and have a high power density, and at the same time their main problem is low energy storage.
The design and construction of supercapacitors solves these problems to some extent. So far, various materials and methods have been used in the construction of supercapacitors and paying attention to environmental issues and considering the goals of green chemistry is one of the basic factors in the production of new materials in today's world.
In this study, nanocomposite materials were used to make electrodes of a paper supercapacitor and two steps were followed to study the effects of these materials. In the first step, polyamide polymer (PA) was used as the electrode material in the supercapacitor and in The next step, the polymer composite with ZnO metal oxide nanoparticles prepared in three different volume percentages of 1%, 3% and 5% to make electrochemical cells.
Voltmetric cycles, charge and discharge diagrams, and supercapacitor capacity measurements were performed and In different voltage scan rates. The specific capacities of the fabricated samples were reported and the specific power of each electrode was discussed.
The experimental data obtained in this work showed that the electrode material containing metal oxide nanoparticles provided a higher power density than the sample without these nanoparticles.
Keywords: supercapacitor, nanocomposite, electrode material, metal oxide nanoparticles, electrical capacity.
