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dc.contributor.authorÁlvarez Centeno, Teresa-
dc.contributor.authorHahn, M.-
dc.contributor.authorFernández López, José Antonio-
dc.contributor.authorKötz, R.-
dc.contributor.authorStoeckli, F.-
dc.date.accessioned2009-03-02T11:34:45Z-
dc.date.available2009-03-02T11:34:45Z-
dc.date.issued2007-01-24-
dc.identifier.citationElectrochemistry Communications 9(6): 1242-1246 (2007)en_US
dc.identifier.issn1388-2481-
dc.identifier.urihttp://hdl.handle.net/10261/11133-
dc.description5 pages, 4 figures, 2 tables.-- Printed version published Jun 2007.en_US
dc.description.abstractA 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)4 NBF4 in acetonitrile) and in acidic (2 M aqueous H2SO4) electrolytes. The comparison of the surface-related capacitances (F m−2) of well characterized samples with the amount of thermodesorbed CO suggests a strong contribution of CO generating surface groups to charge storage in the acidic electrolyte, but a negligible contribution in the aprotic medium. It also appears that the decrease of the capacitance with current density is similar in both electrolytes. This confirms that the average micropore width and the CO2 generating surface groups are the main factors which limit the ionic mobility in both electrolytes.en_US
dc.format.extent22195 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsopenAccessen_US
dc.subjectSupercapacitoren_US
dc.subjectDouble-Layeren_US
dc.subjectCarbonen_US
dc.subjectPorosityen_US
dc.subjectChemical groupsen_US
dc.titleCorrelation between capacitances of porous carbons in acidic and aprotic EDLC electrolytesen_US
dc.typeartículoen_US
dc.identifier.doihttp://dx.doi.org/10.1016/j.elecom.2007.01.031-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.elecom.2007.01.031en_US
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