Scholarship 12/22731-4 - Materiais nanoestruturados, Células de combustível - BV FAPESP
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Electrocatalysts SUPPORTED IN DIFFERENT SUBSTRATES prepared by codeposition electrochemistry for direct liquid fuel cell (methanol , ethanol and formic acidic)

Grant number: 12/22731-4
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Start date until: May 01, 2013
End date until: January 31, 2015
Field of knowledge:Engineering - Chemical Engineering - Chemical Technology
Principal Investigator:Almir Oliveira Neto
Grantee:Guilherme Soares Buzzo
Host Institution: Instituto de Pesquisas Energéticas e Nucleares (IPEN). Secretaria de Desenvolvimento Econômico (São Paulo - Estado). São Paulo , SP, Brazil

Abstract

This project is devoted to the production of electrocatalyst for the operation in direct liquid fuel cells (DLFC), where the fuels are small organic molecules, such as short chains alcohols. The catalyst used in this project will be composed by different metals, being the Pt the standard one. By combining the Pt with others metal such as Sn and Rh and its oxides, we will be able to develop a methodology to induced an synergic effect in the system, and as a consequence, reduce the production cost, strongly associated to the presence of Pt. We will use supports based on Carbon, Ti and ATO or ITO to diminish the effect of resistivity in the cell and increasing the efficiency of the cell. Furthermore, the characterization tests will be performing through MEV, MET, DRX, electrochemical techniques and experiments in fuel cells directly connected to liquids. These tests will be used to verify the composition and activity of the studied materials. In addition, tests based on chromatography and studies for FTIR (in situ) in real systems. These studies will allow testing the efficiency of the electrocatalyst and the possible products of the reaction involved in this processes. It is work to mention that the main objective of this project is to look up for a viable system of DLFC.

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Scientific publications (15)
(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)
SILVA, J. C. M.; BUZZO, G. S.; DE SOUZA, R. F. B.; SPINACE, E. V.; NETO, A. O.; ASSUMPCAO, M. H. M. T.. Enhanced Electrooxidation of Ethanol Using Pd/C + TiO2 Electrocatalysts in Alkaline Media. ELECTROCATALYSIS, v. 6, n. 1, p. 86-91, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
DA SILVA, SIRLANE G.; SILVA, JULIO CESAR M.; BUZZO, GUILHERME S.; SPINACE, ESTEVAM V.; NETO, ALMIR O.; ASSUMPCAO, MONICA H. M. T.. PdAu/C Electrocatalysts as Anodes for Direct Formate Fuel Cell. ELECTROCATALYSIS, v. 6, n. 5, p. 442-446, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
DA SILVA, SIRLANE G.; ASSUMPCAO, MONICA H. M. T.; SILVA, JULIO CESAR M.; DE SOUZA, RODRIGO F. B.; SPINACE, ESTEVAM V.; NETO, ALMIR O.; BUZZO, GUILHERME S.. PdSn/C Electrocatalysts with Different Atomic Ratios for Ethanol Electro-Oxidation in Alkaline Media. International Journal of Electrochemical Science, v. 9, n. 10, p. 5416-5424, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
DA SILVA, SIRLANE G.; ASSUMPCAO, MONICA H. M. T.; DE SOUZA, RODRIGO F. B.; BUZZO, GUILHERME S.; SPINACE, ESTEVAM V.; NETO, ALMIR O.; SILVA, JULIO CESAR M.. Electrochemical and Fuel Cell Evaluation of PtIr/C Electrocatalysts for Ethanol Electrooxidation in Alkaline Medium. ELECTROCATALYSIS, v. 5, n. 4, p. 438-444, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
SILVA, J. C. M.; DE SOUZA, R. F. B.; BUZZO, G. S.; SPINACE, E. V.; NETO, A. O.; ASSUMPCAO, M. H. M. T.. Effect of the TiO2 content as support with carbon toward methanol electro-oxidation in alkaline media using platinum nanoparticles as electrocatalysts. IONICS, v. 20, n. 8, p. 1137-1144, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
ASSUMPCAO, M. H. M. T.; DA SILVA, S. G.; DE SOUZA, R. F. B.; BUZZO, G. S.; SPINACE, E. V.; SANTOS, M. C.; NETO, A. O.; SILVA, J. C. M.. Investigation of PdIr/C electrocatalysts as anode on the performance of direct ammonia fuel cell. Journal of Power Sources, v. 268, p. 129-136, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
ASSUMPCAO, M. H. M. T.; NANDENHA, J.; BUZZO, G. S.; SILVA, J. C. M.; SPINACE, E. V.; NETO, A. O.; DE SOUZA, R. F. B.. The effect of ethanol concentration on the direct ethanol fuel cell performance and products distribution: A study using a single fuel cell/attenuated total reflectance - Fourier transform infrared spectroscopy. Journal of Power Sources, v. 253, p. 392-396, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
DE SOUZA, R. F. B.; BUZZO, G. S.; SILVA, J. C. M.; SPINACE, E. V.; NETO, A. O.; ASSUMPCAO, M. H. M. T.. Effect of TiO2 Content on Ethanol Electrooxidation in Alkaline Media Using Pt Nanoparticles Supported on Physical Mixtures of Carbon and TiO2 as Electrocatalysts. ELECTROCATALYSIS, v. 5, n. 2, p. 213-219, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
NETO, A. O.; DA SILVA, S. G.; BUZZO, G. S.; DE SOUZA, R. F. B.; ASSUMPCAO, M. H. M. T.; SPINACE, E. V.; SILVA, J. C. M.. Ethanol electrooxidation on PdIr/C electrocatalysts in alkaline media: electrochemical and fuel cell studies. IONICS, v. 21, n. 2, p. 487-495, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
ASSUMPCAO, MONICA H. M. T.; PIASENTIN, RICARDO M.; HAMMER, PETER; DE SOUZA, RODRIGO F. B.; BUZZO, GUILHERME S.; SANTOS, MAURO C.; SPINACE, ESTEVAM V.; NETO, ALMIR O.; SILVA, JULIO CESAR M.. Oxidation of ammonia using PtRh/C electrocatalysts: Fuel cell and electrochemical evaluation. APPLIED CATALYSIS B-ENVIRONMENTAL, v. 174, p. 136-144, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
BUZZO, G. S.; RODRIGUES, A. C. B.; DE SOUZA, R. F. B.; SILVA, J. C. M.; BASTOS, E. L.; SPINACE, E. V.; NETO, A. O.; ASSUMPCAO, M. H. M. T.. Synthesis of hydroquinone with co-generation of electricity from phenol aqueous solution in a proton exchange membrane fuel cell reactor. Catalysis Communications, v. 59, p. 113-115, . (12/22731-4, 12/03516-5, 11/23036-5, 11/18246-0, 13/01577-0)
YOVANOVICH, M.; PIASENTIN, R. M.; AYOUB, J. M. S.; NANDENHA, J.; FONTES, E. H.; DE SOUZA, R. F. B.; BUZZO, G. S.; SILVA, J. C. M.; SPINACE, E. V.; ASSUMPCAO, M. H. M. T.; et al. PtBi/C Electrocatalysts for Formic Acid Electro-Oxidation in Acid and Alkaline Electrolyte. International Journal of Electrochemical Science, v. 10, n. 6, p. 4801-4811, . (12/22731-4, 11/18246-0, 13/01577-0)
DA SILVA, SIRLANE G.; SILVA, JULIO CESAR M.; BUZZO, GUILHERME S.; DE SOUZA, RODRIGO F. B.; SPINACE, ESTEVAM V.; NETO, ALMIR O.; ASSUMPCAO, MONICA H. M. T.. Electrochemical and fuel cell evaluation of PtAu/C electrocatalysts for ethanol electro-oxidation in alkaline media. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v. 39, n. 19, p. 10121-10127, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
ASSUMPCAO, MONICA H. M. T.; DA SILVA, SIRLANE G.; DE SOUZA, RODRIGO F. B.; BUZZO, GUILHERME S.; SPINACE, ESTEVAM V.; NETO, ALMIR O.; SILVA, JULIO CESAR M.. Direct ammonia fuel cell performance using PtIr/C as anode electrocatalysts. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v. 39, n. 10, p. 5148-5152, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)
SILVA, JULIO CESAR M.; DA SILVA, SIRLANE G.; DE SOUZA, RODRIGO F. B.; BUZZO, GUILHERME S.; SPINACE, ESTEVAM V.; NETO, ALMIR O.; ASSUMPCAO, MONICA H. M. T.. PtAu/C electrocatalysts as anodes for direct ammonia fuel cell. APPLIED CATALYSIS A-GENERAL, v. 490, p. 133-138, . (12/22731-4, 11/18246-0, 13/01577-0, 12/03516-5)

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