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Photoanodes and intercalation electrodes for photo-assisted acid-base machine

Grant number: 18/06280-9
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): July 01, 2018
Effective date (End): June 30, 2019
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Principal researcher:Fritz Cavalcante Huguenin
Grantee:Isadora Furlin Machado
Home Institution: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil


This project describes the development of a machine that haversts energy from neutralizing reactions under sunlight, when it is performed between an acid reservoir and a basic reservoir. A part of the electrical work performed is associated with the variation of entropy promoted by the variation of concentration of alkali metal ions in the electrolytic solutions, at constant temperature and pressure, from neutralization process. Another part of the work carried out with conversion of solar energy into electrical energy from photo-oxidation of water. Unlike other energy sources, these machines contribute for the sustainable development, since they may be able to harvest energy from treatment of wastewater. The photo-electrochemical and electroinsertion processes involved in these machines will be investigated from electrochemical techniques in time domain. (AU)

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