Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate
© 2017 Elsevier B.V. A novel dendritic microchanneled membrane has been prepared using a mesh-guided phase inversion process. A mesh-guided phase inversion mechanism is proposed to explain the formation mechanism of the microchannels. It is believed that the mesh influenced the formation of microcha...
| Main Authors: | , , , |
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| Format: | Journal Article |
| Published: |
Elsevier BV
2017
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| Online Access: | http://purl.org/au-research/grants/arc/DP160104720 http://hdl.handle.net/20.500.11937/55269 |
| _version_ | 1848759578114654208 |
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| author | Shao, X. Dong, Dehua Parkinson, G. Li, Chun-Zhu |
| author_facet | Shao, X. Dong, Dehua Parkinson, G. Li, Chun-Zhu |
| author_sort | Shao, X. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | © 2017 Elsevier B.V. A novel dendritic microchanneled membrane has been prepared using a mesh-guided phase inversion process. A mesh-guided phase inversion mechanism is proposed to explain the formation mechanism of the microchannels. It is believed that the mesh influenced the formation of microchannels by restricting the organic solvent diffusion rate. The dendritic microchanneled structure was analysed using scanning electron microscopy and 3D reconstruction technologies. The microchanneled structure in this dendritic structure is found to be very different from the previously fabricated microchanneled membrane structure because the microchannels are formed by merging many small microchannels into larger channels with lateral dimensions corresponding to the mesh aperture size. It is confirmed that this structure offers a thin dense layer, a large surface area, good connectivity of microchannels and broad gas diffusion paths. As a result, the La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3-d membrane with dendritic microchanneled structure demonstrates a very high oxygen permeation rate, 3.4 ml cm -2 min -1 at 900 °C. |
| first_indexed | 2025-11-14T10:02:06Z |
| format | Journal Article |
| id | curtin-20.500.11937-55269 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T10:02:06Z |
| publishDate | 2017 |
| publisher | Elsevier BV |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-552692022-10-27T06:25:59Z Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate Shao, X. Dong, Dehua Parkinson, G. Li, Chun-Zhu © 2017 Elsevier B.V. A novel dendritic microchanneled membrane has been prepared using a mesh-guided phase inversion process. A mesh-guided phase inversion mechanism is proposed to explain the formation mechanism of the microchannels. It is believed that the mesh influenced the formation of microchannels by restricting the organic solvent diffusion rate. The dendritic microchanneled structure was analysed using scanning electron microscopy and 3D reconstruction technologies. The microchanneled structure in this dendritic structure is found to be very different from the previously fabricated microchanneled membrane structure because the microchannels are formed by merging many small microchannels into larger channels with lateral dimensions corresponding to the mesh aperture size. It is confirmed that this structure offers a thin dense layer, a large surface area, good connectivity of microchannels and broad gas diffusion paths. As a result, the La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3-d membrane with dendritic microchanneled structure demonstrates a very high oxygen permeation rate, 3.4 ml cm -2 min -1 at 900 °C. 2017 Journal Article http://hdl.handle.net/20.500.11937/55269 10.1016/j.memsci.2017.07.041 http://purl.org/au-research/grants/arc/DP160104720 Elsevier BV restricted |
| spellingShingle | Shao, X. Dong, Dehua Parkinson, G. Li, Chun-Zhu Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate |
| title | Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate |
| title_full | Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate |
| title_fullStr | Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate |
| title_full_unstemmed | Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate |
| title_short | Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate |
| title_sort | thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate |
| url | http://purl.org/au-research/grants/arc/DP160104720 http://hdl.handle.net/20.500.11937/55269 |