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The relevance of conductive additive addition methodology for optimizing the performance of electrodes based on carbon xerogels in aqueous supercapacitors

AuthorsCanal Rodríguez, María ; Menéndez Díaz, José Ángel ; Montes Morán, Miguel Ángel ; Arenillas de la Puente, Ana
KeywordsCarbon xerogels
Electrical conductivity
Carbon black
Graphene oxide
Issue Date27-Jan-2019
CitationJournal of Electroanalytical Chemistry 836: 45-49 (2019)
AbstractElectrodes for supercapacitors are commercially produced by mixing active material with a conductive additive and a binder. However, with some polymers such as carbon xerogels the conductive additives can be added during their synthesis in order to enhance interactions between the components of the electrode. In this work the performance in aqueous supercapacitors of a carbon xerogel and carbon black or graphene added during and post synthesis is compared. It was observed that, the more integrated the additive is within the carbon xerogel polymeric structure, the greater the differences in the final performance of the hybrid materials, being the sample with graphene oxide added during the synthesis of the organic gel the one with the best performance throughout the whole range of current densities studied.
Publisher version (URL)https://doi.org/10.1016/j.jelechem.2019.01.062
Appears in Collections:(INCAR) Artículos
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