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Effect of oxide-ion conductivity of apatite-type Ln10Si6O27 on catalytic activity for toluene combustion

التفاصيل البيبلوغرافية
العنوان: Effect of oxide-ion conductivity of apatite-type Ln10Si6O27 on catalytic activity for toluene combustion
المؤلفون: Nobuhito Imanaka, Kenji Matsuo, Naoyoshi Nunotani
المصدر: Journal of Asian Ceramic Societies, Vol 9, Iss 4, Pp 1466-1472 (2021)
بيانات النشر: Taylor & Francis Group, 2021.
سنة النشر: 2021
مصطلحات موضوعية: apatite-type structure, Materials science, Clay industries. Ceramics. Glass, lanthanoid silicate, Oxide ion, Conductivity, toluene combustion, Combustion, Toluene, Apatite, Catalysis, chemistry.chemical_compound, TP785-869, Chemical engineering, chemistry, visual_art, Ceramics and Composites, visual_art.visual_art_medium, conductivity, catalyst
الوصف: By using apatite-type Ln10Si6O27 (Ln = La, Sm, Gd) solids with oxide-ion-conduction properties, the effect of conductivity on the catalytic activity of 1 wt% Pt/Ln10Si6O27 for toluene combustion was clarified. With increasing Ln3+ ion size, the lattice volume of Ln10Si6O27 increased, resulting in the enhancement of the conductivity, likely due to the expansion of the oxide-ion-conducting pathway; that is, the conductivity increased in the order Gd10Si6O27 < Sm10Si6O27 < La10Si6O27. The conductivity of the Ln10Si6O27 promoter affected the oxygen release ability of 1 wt% Pt/Ln10Si6O27, which led to the oxidation of Pt0 to Pt2+/4+. Correspondingly, the Pt/Ln10Si6O27 catalyst facilitated toluene combustion, and the catalytic activity increased in the order 1 wt% Pt/Gd10Si6O27
اللغة: English
تدمد: 2187-0764
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6323b16c3807bdc1a0d1891ca2a920b5
https://doaj.org/article/b411cf31a6b445b5a9e70a8d4911558f
حقوق: OPEN
رقم الأكسشن: edsair.doi.dedup.....6323b16c3807bdc1a0d1891ca2a920b5
قاعدة البيانات: OpenAIRE
الوصف
تدمد:21870764