A Review of Mixed Ionic–Electronic Conductors Oxygen Transport Membranes for Oxygen Separation: Materials, Design and Applications.
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| Title: | A Review of Mixed Ionic–Electronic Conductors Oxygen Transport Membranes for Oxygen Separation: Materials, Design and Applications. |
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| Authors: | Li, Jingjun1,2 (AUTHOR), Sun, Qiangchao1,2 (AUTHOR), Cheng, Hongwei1,2 (AUTHOR) hwcheng@shu.edu.cn |
| Source: | Materials (1996-1944). Jun2026, Vol. 19 Issue 12, p2477. 23p. |
| Subjects: | Gas separation membranes, Structural design, Industrial applications, Energy industries, Oxygen reduction, Superionic conductors, Thermal stability |
| Abstract: | Against the backdrop of the global energy transition, novel oxygen separation technologies that combine high selectivity, high permeability, and stability have become the key to overcoming industrial bottlenecks. Mixed ion–electron conductor (MIEC) ceramic oxygen transport membranes (OTMs), with their 100% oxygen selectivity, high oxygen permeability, and low energy consumption, are regarded as the most promising next-generation oxygen separation technology. Compared with traditional oxygen production approaches including cryogenic distillation and pressure swing adsorption (PSA), these solutions make up for their inherent defects. They have extensive application prospects in oxygen-enriched combustion, CCUS, high-efficiency hydrogen preparation and chemical synthesis processes. This paper systematically reviews the progress in the oxygen transport mechanisms, material systems, structural design, and fabrication processes of MIEC oxygen permeable membranes. Finally, we conducted an in-depth analysis of the key challenges OTMs face when applied to oxygen-enriched combustion including stability in high-temperature, complex flue gas environments and the optimization of oxygen permeability and offered insights into future research and industrialization directions. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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