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In the present study aqueous alkali metal chloride electrolytes are investigated as potential candidates for carbon/carbon supercapacitors. High-current capacitance retention is greatly enhanced by using the electrolyte concentrations at the maximum electrical conductivity, i.e. 6M LiCl, 5M NaCl and 2M KCl, in supercapacitor cells working at 1.6 V. The resistance of the symmetric cells is also significantly...
Activated carbon electrodes for electrochemical capacitors have been prepared by the chemical activation of a natural renewable and by-product material precursor – olive pits – from the olive oil production industry. The careful adjustment of the synthesis conditions has allowed synthesizing a series of microporous carbon electrodes with an optimized microporosity, enabling a gravimetric and volumetric...
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