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Nanoparticulate Materials for Lithium-air Batteries

Grant number: 11/12668-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): October 01, 2011
Effective date (End): January 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal researcher:Fritz Cavalcante Huguenin
Grantee:Nelson Alexandre Galiote Silva
Home Institution: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated scholarship(s):14/15798-0 - Investigating the kinetic mechanism of the oxygen reduction reaction in non-aqueous solvente, BE.EP.DR


The increase in energetic consumption followed by the environmental warning due to excessive gas emission creates a favorable scenario to research and develop new technologies clean and more efficient for energy sources. In this context, a promising alternative is develop new technologies like lithium air batteries to apply in energy storage and conversion. These batteries are formed by a metallic lithium anode, a porous cathode for oxygen reduction reaction (ORR) and a non-aqueous electrolyte solution. The theoretical energy provided, compared to others commercialized technologies are five or ten fold improved (13, fact that has become attractive the study concerning the mechanisms occurring during the discharge and charge processes in these batteries. The main goal of this project is synthesize platinum and gold nanoparticles dispersed in carbon matrix, additionally the kinetic and mechanistic process occurred on ORR in aprotic electrolytes will be studied. For these studies cyclic voltammetry, chronopotentiometry, electrochemical impedance spectroscopy, electrochemical quartz crystal microbalance (EQCM) and Fourier transform infrared spectroscopy (FTIR) will be used to analyze and obtain information of ORR, while, the structure, morphology and particles size will be verified with electron microscope techniques and x-ray diffraction.

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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)
GALIOTE, NELSON A.; ULISSI, ULDERICO; PASSERINI, STEFANO; HUGUENIN, FRITZ. Role Platinum Nanoparticles Play in the Kinetic Mechanism of Oxygen Reduction Reaction in Nonaqueous Solvents. Journal of Physical Chemistry C, v. 122, n. 28, p. 15826-15834, . (11/12668-0, 14/15798-0, 15/16867-9)
GALIOTE, NELSON A.; DE AZEVEDO, DAYSE C.; OLIVEIRA, JR., OSVALDO N.; HUGUENIN, FRITZ. Investigating the Kinetic Mechanisms of the Oxygen Reduction Reaction in a Nonaqueous Solvent. Journal of Physical Chemistry C, v. 118, n. 38, p. 21995-22002, . (11/21545-0, 11/12668-0, 12/21629-1)
GALIOTE, NELSON A.; JEONG, SANGSIK; MORAIS, WILLIAM G.; PASSERINI, STEFANO; HUGUENIN, FRITZ. The Role of Ionic Liquid in Oxygen Reduction Reaction for Lithium-air Batteries. Electrochimica Acta, v. 247, p. 610-616, . (11/21545-0, 11/12668-0, 14/15798-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SILVA, Nelson Alexandre Galiote. Investigation of the kinetic mechanism of the oxygen reduction reaction in non-aqueous solvents. 2016. Doctoral Thesis - Universidade de São Paulo (USP). Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (PCARP/BC) Ribeirão Preto.

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