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Université de Neuchâtel

Correlation between capacitances of porous carbons in acidic and aprotic EDLC electrolytes

Centeno, Teresa A. ; Hahn, M. ; Fernández, J. A. ; Kötz, R. ; Stoeckli, Fritz

In: Electrochemistry Communications, 2007, vol. 9, no. 6, p. 1242-1246

A study based on a total of 41 nanoporous carbons shows that there exists a good correlation between the limiting gravimetric capacitances Co at low current densities j (1 mA cm −2 ) measured in aprotic (1 M (C2H5)4NBF4 in acetonitrile) and in acidic (2 M aqueous H2SO4) electrolytes. The comparison of the...