Cyclic voltammetry, constant current charge/discharge, and electrochemical impedance spectroscopy have been applied to establish the electrochemical characteristics for electric double-layer capacitor (EDLC) consisting of the 1M (C2H5)3CH3NBF4 electrolyte in acetonitrile and micro/mesoporous carbon electrodes prepared from Mo2C, noted as C(Mo2C). The N2 sorption (total BET specific surface area (S BET ≤1855m2 g−1), micropore area (S micro ≤1823m2 g−1), total pore volume (V tot ≤1.399m3 g−1) and pore size distribution (average NLDFT pore width d NLDFT ≥0.89nm) values obtained have been correlated with the electrochemical characteristics for EDLCs (region of ideal polarizability (ΔV =3.0V), characteristic time constant (τ R =1.05s), gravimetric capacitance (C m ≤143 F g−1)) dependent strongly on the C(Mo2C) synthesis temperature. High gravimetric energy (35Whkg−1) and gravimetric power (237kWkg−1) values, normalised to the total active mass of both C(Mo2C) electrodes, synthesised at T synt =800°C, have been demonstrated at cell voltage 3.0V and T =20°C.