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Highly efficient CO$_2$ permeation using a new dense dual-phase ceramic membrane prepared with Ce$_{0.8}$Sm$_{0.2}$O$_{2-{\delta}}$–Pr$_{0.6}$Sr$_{0.4}$FeO$_{3-{\delta}}$ as precursors
YOAV M MORALES-LOREDO DANIELA GONZÁLEZ-VARELA HERIBERTO PFEIFFER
Volume 45 Published: 19 January 2022 Article ID 0019
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https://www.ias.ac.in/article/fulltext/boms/045/0019 -
Keywords
Dense dual-phase membrane ;CO$_2$ permeation ;one-step synthesis. -
Abstract
A novel Ce$_{0.8}$Sm$_{0.2}$O$_{2-{\delta}}$–Pr$_{0.6}$Sr$_{0.4}$FeO$_{3-{\delta}}$ dense dual-phase ceramic membrane was obtained via an initial one-step EDTA–citrate complex synthesis. This membrane presented an enhanced CO$_2$ permeation, than other Sm-doped CeO$_2$ containing membrane systems. It can be attributed to the excellent homogeneity of the crystal phases, distribution and integration produced by the synthesis method, as well as to the high oxygen ionic diffusion properties know for the perovskite phase (Pr$_{0.6}$Sr$_{0.4}$FeO$_{3-{\delta}}$ ).
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Author Affiliations
YOAV M MORALES-LOREDO DANIELA GONZÁLEZ-VARELA HERIBERTO PFEIFFER1
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, Del. Coyoacán, CP 04510 Mexico City, Mexico
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Dates
- Published
- 19 January 2022
- Manuscript received
- 14 June 2021
- Accepted
- 21 September 2021
- Final version published online
- 19 January 2022
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Supplementary Material
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Bulletin of Materials Science
Volume 46, 2023
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