Boron-containing compounds as a new candidate for supercapacitor electrode: simplified synthesis and structural identification properties
Murat Akdemi̇r, Hilal Kıvrak, Ahmet Kılıç, Levent Beyazsakal, Mustafa Kaya, Sabit Horoz
Abstract
ABSTRACT In this study, the performance of two boron-containing compounds, C 14 H 14 BNO 2 ·HCl (BCC 1 ) and C 38 H 38 B 2 Cl 2 N 4 O 4 (BCC 2 ), as electrodes in supercapacitor applications was investigated in the presence of Na 2 SO 4 and KOH electrolyte solutions. The specific capacitance values of the compounds were compared, and the results showed that trivalent boron (BCC 1 ) exhibited higher specific capacitance values than tetravalent boron (BCC 2 ) in both electrolyte solutions. In the presence of Na 2 SO 4 electrolyte solution, the specific capacitance values of the trivalent (BCC 1 ) and tetravalent (BCC 2 ) boron compounds at a current density of 0.75 A/g were 135.21 and 94.87 F/g, respectively, while in the presence of KOH electrolyte, the specific capacitance values of the trivalent (BCC 1 ) and tetrava-lent (BCC 2 ) boron compounds at a current density of 0.75 A/g capacitance values were determined as 106.62 and 88.25 F/g, respectively. The cycling stability of the electrodes was also studied, and it was found that the capacitance of BCC 1 electrode increased gradually over the cycles, while the capacitance of BCC 2 electrode decreased. The study suggests that trivalent boron can be a promising material for supercapacitor applications. However, further research is required to optimize the cycling stability of the electrodes and understand the underlying mechanism.