Abstract
The results obtained for binder-free electrodes made of carbon monoliths with narrow micropore size distributions confirm that the specific capacitance in the electrolyte (C2H5)4NBF4/acetonitrile does not depend significantly on the micropore size and support the foregoing constant result of 0.094 ± 0.011 F m(-2).
Highlights
The results obtained for binder-free electrodes made of carbon monoliths with narrow micropore size distributions confirm that the specific capacitance in the electrolyte (C2H5)4NBF4/acetonitrile does not depend significantly on the micropore size and support the foregoing constant result of 0.094 Æ 0.011 F mÀ2
The study of Feng et al.,[8] based on the surface area of carbons beads estimated by the Density Functional Theory (DFT) and in disagreement with SBET, led to values in Et4NBF4/PC of 0.087, 0.099 and 0.097 F mÀ2 at pore widths below 1 nm, between 1 and 2 nm, and above 2 nm, respectively
This paper presents a new and straightforward demonstration as a response to the criticisms addressed to the constant capacitance, namely that[11,12,13,14]
Summary
The results obtained for binder-free electrodes made of carbon monoliths with narrow micropore size distributions confirm that the specific capacitance in the electrolyte (C2H5)4NBF4/acetonitrile does not depend significantly on the micropore size and support the foregoing constant result of 0.094 Æ 0.011 F mÀ2.
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