4 documents found, page 1 of 1
Characterization and application of a selective coating for solar collectors fr...
Pinho, Diego Caitano; Freire, Francisco Nivaldo Aguiar; Araújo, Felipe Alves Albuquerque; Dutra, Kaio Hemerson; Teixeira, Edwalder SilvaSolar energy is the most promising energy source, due to its great availability and applicability in thermal energy appli- cations. However, researchers still experience technological and economical challenge, since many systems that use this energy still have low efficiency and high cost. In this way, the development of new materials and technologies to increase the efficiency of solar thermal collectors is bo...
Building and testing a spin coater for the deposition of thin films on DSSCs
Teixeira, Edwalder Silva; Cavalcanti, Raphael Coelho; Nunes, Vanja Fontenele; Júnior, Paulo Herbert França Maia; Lima, Francisco MarconeA low cost spin coater was constructed in this work for the deposition of thin films of titanium dioxide (TiO2) on conductive substrate of FTO (fluoride doped tin oxide) with application on dye sensitized solar cells. The results showed a 95% precision between the speed values obtained by the software of C#sharp language and the spin values observed directly on the device. The TiO2 films deposited through the s...
Use of SnOx: F in the Recycling of Silicon Solar Cells
Lima, Francisco Marcone; Alves, Jean Faber Araújo; Júnior, Paulo Herbert França Maia; Martins, Felipe Mota; Teixeira, Edwalder SilvaAmongst the many parts of a silicon cells photovoltaic module, silicon is the most important and expensive constituent. Thus, research on silicon recycling from damaged cells can lead to economic and environmental benefits. In this work, the broken silicon cells were tailored to function along with the fluorine-doped tin oxide as the transparent electric conductors. The broken silicon cells were analyzed by the...
Desenvolvimento de um forno com a tecnologia combustão de filtração operando co...
Teixeira, Edwalder SilvaThis research dealt with the development of a non-conventional oven, built from the application of “Filtration Combustion Technology-CF”, also known as “Combustion in porous media-CMP”, operating with the burning of natural gas vehicles (NGV). This differs from conventional technology because the reaction occur in the interstices of a porous matrix, which can be inert or catalytic. Another factor is that this t...