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Effect of electrolyte on electrochemical performance of solgel Al2O3 for supercapacitor application
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DOI：10.1016/j.ssi.2026.117204.png)
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Abstract
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• Fabrication of Al2O3 by solgel method and studied the Effect of electrolyte i.e. 1 M Na2SO4, 1 M KOH, and 1 M NaOH for energy storage applications. • A specific capacitance of 86.41 F/g was obtained at a scan rate of 5 mV/s in 1 M KOH electrolyte with coulombic efficiency of 88.3%. • Long-term stability in KOH electrolytes, with 71.4% capacitance retention after 7000 cycles, with coulombic efficiency of 100%.
Keywords:
Al2O3
sol-gel method
electrolyte
supercapacitor
specific capacitance
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3.3
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1.1W
Citations:
2.3W
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