CO Preferential Oxidation on Pt0.5Co0.5 and Pt-CoOx Model Catalysts: Catalytic Performance and Operando XRD Studies Научная публикация
Журнал |
Catalysis Communications
ISSN: 1566-7367 , E-ISSN: 1873-3905 |
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Вых. Данные | Год: 2017, Том: 100, Страницы: 232-236 Страниц : 5 DOI: 10.1016/j.catcom.2017.07.008 | ||||||
Ключевые слова | Bimetallic catalysts, CO cleanup, Hydrogen-rich gas, Platinum-cobalt, Preferential CO oxidation, Pt-Co catalysts | ||||||
Авторы |
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Организации |
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Информация о финансировании (2)
1 | Российский фонд фундаментальных исследований | 16-33-60106 |
2 | Российский фонд фундаментальных исследований | 17-03-00950 |
Реферат:
Nanopowders of unordered solid solution Pt0.5Co0.5 and metal-oxide composite Pt-CoOx were prepared via double complex salt [Pt(NH3)4][Co(C2O4)2(H2O)2]·2H2O decomposition in He and air streams, respectively. It was shown that, compared to metallic Pt nanopowder, both Pt0.5Co0.5 and Pt-CoOx exhibited high CO preferential oxidation (CO PROX) performance under mild conditions and provided complete CO conversion with 50–100% selectivity at near-ambient temperature and WHSV of 80,000 cm3 g− 1 h− 1. Operando XRD study revealed that under CO PROX conditions Pt0.5Co0.5 was stable, while Pt-CoOx underwent reduction even at 50 °C and consisted of Pt and Co nanoparticles. The high performance of both (alloyed and not alloyed) Pt-Co bimetallic systems exhibits the key role of Pt-Co interface, i.e. the so-called “ensemble effect”, in the synergism.
Библиографическая ссылка:
Potemkin D.I.
, Filatov E.Y.
, Zadesenets A.V.
, Sobyanin V.A.
CO Preferential Oxidation on Pt0.5Co0.5 and Pt-CoOx Model Catalysts: Catalytic Performance and Operando XRD Studies
Catalysis Communications. 2017. V.100. P.232-236. DOI: 10.1016/j.catcom.2017.07.008 WOS Scopus РИНЦ
CO Preferential Oxidation on Pt0.5Co0.5 and Pt-CoOx Model Catalysts: Catalytic Performance and Operando XRD Studies
Catalysis Communications. 2017. V.100. P.232-236. DOI: 10.1016/j.catcom.2017.07.008 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 6 июн. 2017 г. |
Принята к публикации: | 11 июл. 2017 г. |
Опубликована online: | 12 июл. 2017 г. |
Опубликована в печати: | 1 сент. 2017 г. |
Идентификаторы БД:
Web of science | WOS:000407982700050 |
Scopus | 2-s2.0-85024132523 |
РИНЦ | 31063961 |
Chemical Abstracts | 2017:1203214 |
OpenAlex | W2735825421 |