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Binary nanocomposites based on bidimensional transition mixed metal oxides and polyaniline for application in flexible energy storage devices

Grant number: 18/02142-0
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): May 01, 2018
Effective date (End): January 31, 2020
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Acordo de Cooperação: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Sergio Humberto Domingues
Grantee:Caroline Brambilla de Aquino
Host Institution: Centro de Pesquisas Avançadas em Grafeno, Nanomateriais e Nanotecnologia (MackGrafe). Universidade Presbiteriana Mackenzie (UPM). Instituto Presbiteriano Mackenzie. São Paulo , SP, Brazil


Facing the global problem of the energy crisis and the concern about the impoverishment of energy sources, emerge a need of the energetic area research, with alternatives that improve the device performance and reduce or replace the feedstock used currently, with lower cost and greater sustainability. In this context, the nanotechnology appears with goal of produce new materials that can be used to be applied in several systems, became more efficient economic and high performance. The nanomaterials more used to applied in energy storage device are transition metal oxides, conducting polymers and carbon derived materials. These structures, when combined, they present an even greater performance, occasioned by interaction and synergism between the components. Therefore, this work proposes the synthesis and characterization of a novel nanocomposite, based on transition mixed metal oxide, with confinement 2D, RuxWyOz, and a conductive polymer, that is polyaniline. The obtaining of mixed oxides two-dimensional is still great challenge for science, being treated, therefore, in an embracing area for further research. Furthermore, the combination of RuxWyOz/Polyaniline, will allow not only increase the efficiency of the system, but also the obtaining of the flexible device, being able be used substrates without conductive properties, as PET, due a high conductivity of the polymer utilized. The methodologies showed in this work will be innovative, relatively simple and applicable at any laboratory. Will be used too, several techniques of characterization of materials, searching explore and understand the properties of this novel binary nanocomposite. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
NONAKA, LARISSA H.; ALMEIDA, THIAGO S. D.; AQUINO, CAROLINE B.; DOMINGUES, SERGIO H.; SALVATIERRA, V, RODRIGO; SOUZA, VICTOR H. R.. Crumpled Graphene Decorated with Manganese Ferrite Nanoparticles for Hydrogen Peroxide Sensing and Electrochemical Supercapacitors. ACS APPLIED NANO MATERIALS, v. 3, n. 5, p. 4859-4869, . (18/02142-0, 17/21988-5)

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