Which outcome occurs when electrolyte concentration diminishes in electrochemical double-layer capacitor (EDLC)?

💡 Explanation

When electrolyte ion concentration decreases, it diminishes the number of ions accumulating at the electrode-electrolyte interface, thus decreasing the capacitance constant because capacitance depends on charge density. Therefore a reduced capacitance results rather than an increase leakage current, higher ESR, or decreased breakdown voltage which rely on different effects.

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