Results 21 to 30 of about 5,167 (219)

The sol–gel route: A versatile process for up-scaling the fabrication of gas-tight thin electrolyte layers [PDF]

, 2011
Sol–gel routes are often investigated and adapted to prepare, by suitable chemical modifications, submicronic powders and derived materials with controlled morphology, which cannot be obtained by conventional solid state chemistry paths.
Ansart, Florence, Guizard, Christian, Julbe, Anne, Lenormand, Pascal, Rouessac, Vincent, Viazzi, Céline   +5 more
core   +4 more sources

Structural, Microstructural and Electrochemical Characterization of Ni-YSZ Anodes Fabricated from Pechini-Derived Composite Powders

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020
The most widely used solid oxide fuel cell (SOFC) anodes, nickel-yttria stabilized zirconia (NiO-YSZ) composites, are generally fabricated by co-sintering of NiO and YSZ powders.
Aligül Büyükaksoy, Buse Bilbey, Gamze Erol   +2 more
doaj   +1 more source

Study of magnetic properties of NiZnCu ferrite synthesized by Pechini method and solid-state reactions

AIP Advances, 2018
Ni-Zn-Cu ferrites are exhibiting excellent magnetic properties at large frequencies and are consequently produced as low-loss magnetic materials used for magnetic components in power electronics.
Gaëlla Frajer, Mathieu Salaün, Gérard Delette, Hervé Chazal, Olivier Isnard   +4 more
doaj   +1 more source

Investigation of Graded La2NiO4+ Cathodes to Improve SOFC Electrochemical Performance [PDF]

, 2010
Mixed ionic and electronic conducting MIEC oxides are promising materials for use as cathodes in solid oxide fuel cells SOFCs due to their enhanced electrocatalytic activity compared with electronic conducting oxides.
F. Ansart, M. A. Laguna-Bercero, M. Rieu, P. Lenormand, Pechini, R. Sayers, S. J. Skinner   +6 more
core   +2 more sources

Photocatalytic activity of visible light active Sr-hexaferrite prepared by solid-state reaction and the pechini methods

Materials Research Express, 2023
In this work, strontium hexaferrite (SrFe _12 O _19 ) was prepared using two different methods, the solid-state reaction and the sol–gel pechini methods.
M F Ramírez Ayala, A M Herrera-González, T J Pérez-Juache, V E Salazar-Muñoz, D Espericueta, J G Cabal-Velarde, J H García-Gallegos, A Lobo-Guerrero   +7 more
doaj   +1 more source

Microwave-assisted synthesis of SiO2 nanoparticles and its application on the flame retardancy of poly styrene and poly carbonate nanocomposites [PDF]

Journal of Nanostructures, 2015
Various morphologies of silica nanoparticles were synthesized by a microwave-assisted Pechini method. Silica nanostructures were synthesized via a fast reaction between tetra ethyl ortho silicate and ammonia at presence citric acid and other effective ...
A. Esmaeili-Bafghi-Karimabad, D. Ghanbari, M. Salavati-Niasari, H. Safardoust-Hojaghan   +3 more
doaj   +1 more source

Influência do método de síntese na obtenção de pós de Na2TiSiO5 Influence of the synthesis method to obtain Na2TiSiO5 powders

Cerâmica, 2005
Este trabalho apresenta um estudo sistemático sobre a síntese e caracterização de pós de Na2TiSiO5. Foram estudadas as propriedades estruturais e morfológicas dos pós por intermédio de difração de raios X, espectroscopia Raman e microscopia eletrônica de
V. C. Albarici, M. T. Escote, E. Orhan, R. C. Lima, J. A. Varela, E. Longo, E. R. Leite   +6 more
doaj   +1 more source

Effect of Fe content on atomic and electronic structure of complex oxides Sr Ti,Fe O3 delta [PDF]

, 2017
Two series of SrTi1 xFexO3 amp; 948; STFO powders with different Fe content produced by two different methods, solid state reaction or modified Pechini synthesis, have been investigated by soft X ray absorption spectroscopy. The O1s K , Fe2p L2,3
Baumann, S., Bouwmeester, H., Egorova, Y., Filatova, E., Galdina, K., Scherb, T., Schumacher, G.   +6 more
core   +2 more sources

Using the design experiment RSM for the preparation of nanoparticles containing pyrazinamide, ethambutol and rifampin [PDF]

شیمی کاربردی روز, 2018
In this study, three-component nanoparticles of iron, nickel and lithium were synthesized with two methods of combined technique (co-precipitation, hydrothermal) and pechini sol-gel.
Fariba Tadayon, reza jamshidi, parisa Jamshidpoor   +2 more
doaj   +1 more source

TiO2 ceramics prepared using Pechini synthesis and laser sintering [PDF]

Processing and Application of Ceramics, 2018
Nowadays, the laser sintering process has attracted the attention of researchers owing to advantages such as the possibility of using very high heating and cooling rates and the possibility of sintering materials with high melting point.
Tiago Cordeiro Oliveira, Emanuel Ferreira Silva   +1 more
doaj   +1 more source