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Thermal stability under different redox conditions of CexZr1-xO2 mixed oxides as potential TWC support

Abstract : It was studied the textural and structural changes in several Ce-Zr mixed oxides. The crystal size and specific surface area were followed upon calcination at 1223 K versus the time. It was also controlled the atmosphere composition. Gas mixture of O2, CO2 and H2O for oxidising condition and, H2 and H2O for reducing condition. Important differences have been found in the textural and structural features upon calcination in these two different atmospheres.
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https://hal-emse.ccsd.cnrs.fr/emse-00609927
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Submitted on : Wednesday, July 20, 2011 - 3:12:29 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:29 PM

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Gerardo Colon, Michèle Pijolat, Françoise Valdivieso, Richard Baker, Serafin Bernal. Thermal stability under different redox conditions of CexZr1-xO2 mixed oxides as potential TWC support. Advances in Science and Technology, 1999, 16 (Part D), pp.605-612. ⟨10.1016/S0920-5861(98)00509-4⟩. ⟨emse-00609927⟩

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