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Impact of cobalt oxide morphology on the thermal response to methane examined by thermal analysis

: Yurchenko, Olena; Pernau, Hans-Fridtjof; Engel, Laura; Bierer, Benedikt; Jägle, Martin; Wöllenstein, Jürgen

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SMSI 2021, Sensor and Measurement Science International : Digital Conference, 3 - 6 May 2021
Wunstorf: AMA Service, 2021
ISBN: 978-3-9819376-4-0
Conference "Sensor and Measurement Science International" (SMSI) <2021, Online>
Conference Paper, Electronic Publication
Fraunhofer IPM ()
Metal Oxide Catalysts; catalytic activity; Catalytic Gas Sensor; differential thermal analysis; Catalyst Preselection

In the present talk, we will demonstrate the impact of particle size and morphology of a metal oxide catalyst on its catalytic ability towards methane oxidation examined in a wide temperature range at dry environmental conditions. The investigations were performed by differential thermal analysis (DTA) technique delivering the thermal response of different cobalt oxide samples differing in particle size. The obtained results demonstrate the reliability of the method for preselection of catalysts for their application in catalytic gas sensors by the example of cobalt oxide, which is a promising catalyst for methane oxidation.