Effect of TiO₂ on Duck Eggshell Membrane as Separators in Supercapacitor Applications

Abstract:

A study concerning the effect of TiO₂ on duck eggshell membrane as separator in supercapacitor applications. Concentration of TiO₂ on duck eggshell membrane are 1 %wt, 5 %wt and 10 %wt respectively. Construction capacitor cell is shaped sandwich system. Membrane separator placed in the midst of the two carbon electrodes containing H₂SO₄ solution. From the micrograph Scanning Electron Microscopy (SEM), it observed that TiO₂ particles in all samples are uniform in size. At concentration of 1 %wt, TiO₂ particles covered all fiber of duck eggshell membrane, but not many pore is formed while at concentration of 5%, the TiO₂ particles fill the pores between the fibers, thus causing the pores between the fibers get smaller and multiplied in number. However, if the TiO₂ particles added is the more than 10 %wt, the particles will actually cover the pores between the fibers of the membrane. Characteristics of the capacitor was measured by using Edaq cyclic voltameter. Maximum value of specifics capacitance (C_sp) was 2.3 F / g, with current 0.007 mA and voltage of 0.002 V. This value occurs at a concentration of 5 wt% TiO₂ on the charging time for 20 seconds.

• Periodical: Materials Science Forum (Volume 827)
• Pages: 151-155
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.827.151
• Online since: August 2015
• Authors: D. Dahlan, N. Sartika, Astuti Astuti, E.L. Namigo, E. Taer
• Keywords: Duck Eggshell Membrane, Separator, Super-Capacitor (SC), TiO₂

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