2005•Journal of the American Ceramic SocietyRequires access

Preparation of Nanocrystalline CeO 2 by the Precipitation Method and Its Improved Methane Oxidation Activity

Heon‐Jin Choi, Jooho Moon, Hyung‐Bo Shim, Kyong‐Sop Han, Eun‐Gu Lee, Kwang‐Deog Jung

Abstract

Nanocrystalline CeO 2 as small as 5 nm was successfully prepared by the precipitation method using hydrogen peroxide as an oxidizer. The methane oxidation temperature of this nanocrystalline CeO 2 dropped about 100°C as compared with microcrystalline CeO 2 .

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Key concepts: Nanocrystalline material, Microcrystalline, Methane, Precipitation, Materials science, Anaerobic oxidation of methane, Hydrogen peroxide, Chemical engineering