Talk:Cerium(IV) oxide

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The statement that Ce2O3 is more stable than CeO2 is based on incorrect interpretation of the thermodynamic data. Yes, the standard enthalpy of formation of Ce2O3 is higher, but more Ce and O atoms are involved in the reaction as well. If you do the calculation correctly you will see that CeO2 is actually the more stable oxide. 131.211.44.116 (talk) 08:37, 18 September 2014 (UTC)

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The canonical text on catalysis by ceria is "A. Trovarelli,, Ed.; Catalysis by Ceria and Related Materials; Imperial College Press: 2002." I inserted what I have read in this book into the article, or at least the most important parts, regarding how the oxygen defects contribute to catalysis. Hi, I'm new to contributing to Wikipedia. I wanted to identify myself as the author of reference #2 in this article, i.e. it is my Ph.D. dissertation. I don't believe my work supports the statement, "Powdered ceria is slightly hygroscopic and will also absorb a small amount of carbon dioxide from the atmosphere." The measurements I made on ceria were in atmospheres consisting of different ratios of CO2 and CO. I am certain that CO2 is absorbed on ceria (as one step in being reduced to CO) but I don't think my work indicates that CO2 would preferentially be absorbed over oxygen or other gas in a nominal air atmosphere. I am familiar with the Trovarelli reference mentioned above, but don't have access to a copy at this time to see if there is a stronger reference to support the aforementioned statement. Anyway, I would be willing to help the author in trying to find a work support this statement. Also, if the author is still interested in referencing my work, I can edit the article and provide a statement that it does support (i.e. in addition to use as a solid oxide cell electrolyte, ceria can also be used as a solid oxide electrode material because of its mixed ionic-electronic property. and my work indicates that as an electrode, it can electrocatalytically reduce CO2...there is also other references that it can be used as an anode to oxide hydrocarbons). Please note that I'm a bit uncomfortable editing the complete article as I do NOT have a good background in material science; I'm a chemical engineer with a background in solid state electrochemistry. --Rdgreen60 (talk) 02:50, 25 October 2011 (UTC)

Last edited at 02:50, 25 October 2011 (UTC). Substituted at 11:10, 29 April 2016 (UTC)

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Ceryllium

I ran across the term "ceryllium", associated with "ceryllium oxide" which was identified as CeO₂. It appears to be a trade name for cerium oxide, but I couldn't confirm this. If anyone has anything on this, perhaps it should be mentioned here as a name. Dismalscholar (talk) 06:31, 12 April 2017 (UTC)

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Is >30% covalent...

...but still is written with the oxidation number in parens. Am I missing something? Alfa-ketosav (talk) 16:23, 3 May 2018 (UTC)

With a melting point of 2400 °C, it certainly seems like a textbook predominantly ionic compound. Where do you get ">30% covalent" from? Double sharp (talk) 05:11, 5 May 2018 (UTC)

Report from Chemical Abstracts

In a search for "ceria" we get this information: 43437 references, of which 28269 have appeared since 2008 (about 7 publications/reports per day), of which 431 are reviews. So we really need to stick to WP:SECONDARY. --Smokefoot (talk) 23:02, 10 April 2019 (UTC)

Mineral name

One of the names of the related mineral, that appears in the "Glossary of chemical formulae", is wrong, as it goes "cerianite". There is no such mineral. The only correct name is: cerianite-(Ce). The more no other cerianites are known until now (and it is likely we never get known any other "cerianites").Eudialytos (talk) 12:37, 11 November 2020 (UTC)