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A Versatile and Low-Toxicity Route for the Production of Electroceramic Oxide Nanopowders

Abstract : An alternative route to acrylamide gel polymerisation is presented for the preparation of oxide nanopowders. Within this method, cations first dissolved in an aqueous solution are subsequently trapped inside a 3D chelating gel before fast-drying, which leads to a stable precursor. In this study, we have prepared compositions corresponding to a wide range of state-of-the-art fuel cells materials such as: Zr 0.85 Y 0.15 O 1.875 , Ce 0.9 Gd 0.1 O 1.95 , Nd 1.95 NiO 4+x , GdBaCo 2-O 5+x , Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3-x and La 0.75 Sr 0.25 Cr 0.5 Mn 0.5 O 3. Thermogravimetry and differential thermal analysis studies have been performed to determine the best calcination conditions. After calcination, the resulting powders have been characterised by X-ray diffraction, FEG-scanning electron
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https://hal.archives-ouvertes.fr/hal-02460009
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Submitted on : Wednesday, January 29, 2020 - 5:45:53 PM
Last modification on : Monday, November 22, 2021 - 2:22:03 PM

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Alejandro Morata, Anthony Chesnaud, Alberto Tarancón, Sonia Estradé, Francesca Peiró, et al.. A Versatile and Low-Toxicity Route for the Production of Electroceramic Oxide Nanopowders. European Journal of Inorganic Chemistry, Wiley-VCH Verlag, In press, ⟨10.1002/ejic.200701026⟩. ⟨hal-02460009⟩

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