1. 毕业设计（论文）的内容和要求

钙钛矿透氧膜是一种在高温下具有氧离子和电子传导能力的致密膜，对氧气的选择性为100%。

目前，钙钛矿透氧膜中低温性能是研究热点，氟掺杂钙钛矿混合导体膜能提高其在中低温下的氧渗透通量与稳定性，因此，本课题基于前期开发的钙钛矿氟氧化物，通过不同氟源的掺杂，系统研究不同氟源对材料氧渗透行为及稳定性的影响及作用机理，提高材料在低温下的氧离子传输速率，从而获得高性能的氧分离膜。

具体研究内容如下： 1.不同氟源掺杂对钙钛矿材料氧渗透行为的影响 主要研究不同氟源掺杂量对钙钛矿型混合导体膜材料的结构组成的影响；不同氟源掺杂对钙钛矿型混合导体膜制备过程的影响。

2. 参考文献

[1] H. Bouwmeester, A. Burggraaf, Fundamentals of inorganic membrane science and technology, Amsterdam: Elsevier, (1996) 435-515. [2] 金万勤，徐南平，混合导体氧渗透膜设计、制备与应用, 2013,北京. [3] Z. Shao, W. Yang, Y. Cong, et al., Investigation of the permeation behavior and stability of a Ba0.5Sr0.5Co0.8Fe0.2O3-delta oxygen membrane, J. Membr. Sci., 172 (2000) 177-188. [4] Z. Shao, H. Dong, G. Xiong, et al. Performance of a mixed-conducting ceramic membrane reactor with high oxygen permeability for methane conversion. J. Membr. Sci., 183 (2001) 181-192. [5] P. Zeng, Z. Chen, W. Zhou, et al. Re-evaluation of Ba0.5Sr0.5Co0.8Fe0.2O3-delta perovskite as oxygen semi-permeable membrane, J. Membr. Sci., 291 (2007) 148-156. [6] J. Sunarso, S. Baumann, J. Serra, et al. Mixed ionic-electronic conducting (MIEC) ceramic-based membranes for oxygen separation, J. Membr. Sci., 320 (2008) 13-41. [7] K. Tetsuya, N. Subaru, W. Ken, et al. High Oxygen Permeation in Ba0.95La0.05FeO3-delta Membranes with Surface Modification, ACS Appl. Mater. Inter., 2 (2010)2849-2853. [8] P. Haworth, S.Smart, J. Glasscock, et al. High performance yttrium-doped BSCF hollow fibre membranes. Sep. Purif. Technol., 94 (2012) 16-22. [9] X. Shao, D. Dong, G. Parkinson, et al. A microchanneled ceramic membrane for highly efficient oxygen separation. J. Mater. Chem.A, 34 (2013) 9641-9644. [10] J. Zhu, Z. Dong, Z. Liu, et al. Multichannel mixed-conducting hollow fiber membranes for oxygen separation, AlChE J., 60 (2014) 1969-1976 . [11] J. Zhu,Z. Liu,S. Guo,et al. Influence of permeation modes on oxygen permeability of the multichannel mixed-conducting hollow fibre membrane, Chem. Eng. Sci.,122 (2015) 614#8211;621. [12] J. Zhu, S. Guo, Z. Chu, et al, CO2-tolerant oxygen-permeable perovskite-type membranes with high permeability, J. Mater. Chem. A, 3 (2015) 22564-22573. [13] J. Zhu, G. Liu, Z. Liu, et al. Unprecedented Perovskite Oxyfluoride Membranes with High-Efficiency Oxygen Ion Transport Paths for Low-Temperature Oxygen Permeation, Adv. Mater., 28 (2016) 3511-3515. [14] X. Shao, D. Dong, G. Parkinson, et al. Thin ceramic membrane with dendritic microchanneled sub structure and high oxygen permeation rate. J. Membr. Sci., 541 (2017) 653-660. [15] H. Xie, L. Zhuang, Y. Chen, et al. Phase-inversion synthesize of asymmetric-structured La5.5W0.6Mo0.4O11.25-delta membranes with enhanced hydrogen permeation flux. J. Alloys Compd., 729 (2017) 890-896.

3. 毕业设计（论文）进程安排

18.01.11~18.02.20：学习和掌握实验操作过程，了解实验室的装置仪器，并进行实验室安全条例的学习。

18.02.20~18.03.10：查阅各种课题背景资料，完成英文文献的阅读和翻译，同时开始准备实验计划、拟定实验方案。

18.03.10~18.05.20：完成本课题实验工作，制备不同氟源掺杂钙钛矿透氧膜，并对其膜结构与性质进行系统的研究。