| Grant number: | 14/25616-7 |
| Support Opportunities: | Scholarships in Brazil - Scientific Initiation |
| Start date: | February 01, 2015 |
| End date: | June 30, 2015 |
| Field of knowledge: | Physical Sciences and Mathematics - Chemistry |
| Principal Investigator: | Emerson Rodrigues de Camargo |
| Grantee: | Lucas da Silva Ribeiro |
| Host Institution: | Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil |
| Associated research grant: | 13/07296-2 - CDMF - Center for the Development of Functional Materials, AP.CEPID |
Abstract Lithium titanate (Li4Ti5O12, or simply LTO) with spinel structure is a promising material for lithium batteries anodes. There are several techniques for the synthesis of this material, but the use of the oxidant peroxide route (OPM) to obtain titanium dioxide with the surface modified with peroxide groups seems to be superior due the absence of halides and residual carbon, usual contaminants deleterious for eletro-electronic applications. Another advantage is the total absence of toxic residues in agreement with the principles of green chemistry. On the other hand, sintered ceramics obtained by microwaves show uniform microstructures, high densities e superior properties than that found in samples obtained by conventional techniques. In this Projetc, LTO samples will be synthesized through the OPM route and will be characterized by X ray diffraction, Raman spectroscopy and electronic microscopy. Crystalline LTO will be used to fabricate dense ceramic sample by means conventional and microwave irradiation. | |
| News published in Agência FAPESP Newsletter about the scholarship: | |
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