{"data":{"id":"10.6084/m9.figshare.6273425","type":"dois","attributes":{"doi":"10.6084/m9.figshare.6273425","prefix":"10.6084","suffix":"m9.figshare.6273425","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Lima-Tenório, Michele Karoline","nameType":"Personal","givenName":"Michele Karoline","familyName":"Lima-Tenório","affiliation":[],"nameIdentifiers":[]},{"name":"Ferreira, Carlos Sergio","nameType":"Personal","givenName":"Carlos Sergio","familyName":"Ferreira","affiliation":[],"nameIdentifiers":[]},{"name":"Querem Hapuque Felix Rebelo","affiliation":[],"nameIdentifiers":[]},{"name":"Souza, Rodrigo Fernando Brambilla De","nameType":"Personal","givenName":"Rodrigo Fernando Brambilla De","familyName":"Souza","affiliation":[],"nameIdentifiers":[]},{"name":"Passos, Raimundo Ribeiro","nameType":"Personal","givenName":"Raimundo Ribeiro","familyName":"Passos","affiliation":[],"nameIdentifiers":[]},{"name":"Pineda, Edgardo Alfonso Gómes","nameType":"Personal","givenName":"Edgardo Alfonso Gómes","familyName":"Pineda","affiliation":[],"nameIdentifiers":[]},{"name":"Pocrifka, Leandro Aparecido","nameType":"Personal","givenName":"Leandro Aparecido","familyName":"Pocrifka","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Pseudocapacitance Properties of Co3O4 Nanoparticles Synthesized Using a Modified Sol-Gel Method"}],"publisher":"SciELO journals","container":{},"publicationYear":2018,"subjects":[{"subject":"90499 Chemical Engineering not elsewhere classified","subjectScheme":"FOR"},{"subject":"FOS: Chemical engineering","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"FOS: Chemical engineering","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"91207 Metals and Alloy Materials","subjectScheme":"FOR"},{"subject":"FOS: Materials engineering","schemeUri":"http://www.oecd.org/science/inno/38235147.pdf","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"FOS: Materials engineering","subjectScheme":"Fields of Science and Technology (FOS)"},{"subject":"91299 Materials Engineering not elsewhere classified","subjectScheme":"FOR"}],"contributors":[],"dates":[{"date":"2018-05-16","dateType":"Created"},{"date":"2018-05-16","dateType":"Updated"},{"date":"2018","dateType":"Issued"}],"language":null,"types":{"ris":"DATA","bibtex":"misc","citeproc":"dataset","schemaOrg":"Dataset","resourceType":"Dataset","resourceTypeGeneral":"Dataset"},"relatedIdentifiers":[{"relationType":"IsSupplementTo","relatedIdentifier":"10.1590/1980-5373-mr-2017-0521","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":["714314 Bytes"],"formats":[],"version":null,"rightsList":[{"rights":"Creative Commons Attribution 4.0 International","rightsUri":"https://creativecommons.org/licenses/by/4.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-4.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"This work reports the synthesization of nanoparticles cobalt oxide (Co3O4) with no secondary phase by a modified sol-gel method and its structural morphological and electrochemical characterizations. FTIR, XRD and Raman analysis showed the formation of spinel cobalt oxide with no secondary phase. TEM images revealed that an undefined morphology with average crystallite size estimated by Scherrer's equation was found to be 30 nm. Experiments of cyclic voltametric, galvanostatic charge-discharge and impedance spectroscopy were evaluated at 1 mol L-1 KOH and revealed an intrinsic pseudocapacitance. The studies of complex capacitance and complex power revealed the resistive and capacitive characteristics with a specific capacitance of 120 F 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