{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T14:26:37Z","timestamp":1788445597272,"version":"build-2803163510"},"reference-count":61,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2022,8,25]],"date-time":"2022-08-25T00:00:00Z","timestamp":1661385600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["No. 21908106"],"award-info":[{"award-number":["No. 21908106"]}]},{"name":"National Natural Science Foundation of China","award":["No. BK20190682"],"award-info":[{"award-number":["No. BK20190682"]}]},{"name":"Jiangsu Natural Science Foundation","award":["No. 21908106"],"award-info":[{"award-number":["No. 21908106"]}]},{"name":"Jiangsu Natural Science Foundation","award":["No. BK20190682"],"award-info":[{"award-number":["No. BK20190682"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Membranes"],"abstract":"<jats:p>Oxygen permeation membranes (OPMs) are regarded as promising technology for pure oxygen production. Among various materials for OPMs, perovskite oxides with mixed electron and oxygen-ion (e\u2212\/O2\u2212) conducting capability have attracted particular interest because of the high O2\u2212 conductivity and structural\/compositional flexibility. However, BaCoO3\u2212\u03b4-based perovskites as one of the most investigated OPMs suffer from low oxygen permeation rate and inferior structural stability in CO2-containing atmospheres. Herein, zirconium and yttrium co-doped BaCoO3\u2212\u03b4 (BaCo1\u22122xZrxYxO3\u2212\u03b4, x = 0, 0.05, 0.1 and 0.15) are designed and developed for efficient and stable OPMs by stabilizing the crystal structure of BaCoO3\u2212\u03b4. With the increased Zr\/Y co-doping content, the crystal structural stability of doped BaCoO3\u2212\u03b4 is much improved although the oxygen permeation flux is slightly reduced. After optimizing the co-doping amount, BaCo0.8Zr0.1Y0.1O3\u2212\u03b4 displays both a high rate and superior durability for oxygen permeation due to the well-balanced grain size, oxygen-ion mobility, crystal structural stability, oxygen vacancy concentration and surface exchange\/bulk diffusion capability. Consequently, the BaCo0.8Zr0.1Y0.1O3\u2212\u03b4 membrane delivers a high oxygen permeation rate of 1.3 mL min\u22121 cm\u22122 and relatively stable operation at 800 \u2218C for 100 h. This work presents a promising co-doping strategy to boost the performance of perovskite-based OPMs, which can promote the industrial application of OPM technology.<\/jats:p>","DOI":"10.3390\/membranes12090831","type":"journal-article","created":{"date-parts":[[2022,8,26]],"date-time":"2022-08-26T02:04:32Z","timestamp":1661479472000},"page":"831","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Zirconium and Yttrium Co-Doped BaCo0.8Zr0.1Y0.1O3-\u03b4: A New Mixed-Conducting Perovskite Oxide-Based Membrane for Efficient and Stable Oxygen Permeation"],"prefix":"10.3390","volume":"12","author":[{"given":"Zixiang","family":"Xu","sequence":"first","affiliation":[{"name":"State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Yu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 210009, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,8,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2200450","DOI":"10.1002\/smll.202200450","article-title":"Realizing simultaneous detrimental reactions suppression and multiple benefits generation from nickel doping towards improved protonic ceramic fuel cell performance","volume":"18","author":"Song","year":"2022","journal-title":"Small"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1016\/j.jmst.2022.02.031","article-title":"Slightly ruthenium doping enables better alloy nanoparticle exsolution of perovskite anode for high-performance direct-ammonia solid oxide fuel cells","volume":"125","author":"Xiong","year":"2022","journal-title":"J. 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