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1. 毕业设计(论文)的内容和要求
具体研究内容如下:1. 具有开放直孔结构的多通道中空纤维膜制备条件影响主要研究相转化纺丝工艺(纺丝液流速、内凝固浴流速、空气距离等)和烧结制度(烧结温度,保温时间等)对膜微观结构的影响。
2. 具有开放直孔结构的多通道中空纤维膜性能测试与表征主要研究双层结构对中空纤维膜的机械强度、氧渗透性能的影响。
具体要求如下:1、理解气体渗透的基本概念、原理、实验流程图以及影响气体渗透性能的主要因素;2、了解气体渗透膜的基本分类及其所应用的分离体系;3、熟悉钙钛矿氧分离膜制备的常规知识;4、合理安排实验进程,工作时间不迟到早退;5、实验认真仔细,对实验现象进行详细的记录,定期对实验数据进行总结,及时调整实验方案;6、工作积极主动,勤于思考,做好实验室安全卫生工作。
2. 实验内容和要求
(1) 拟在总结文献及小组前期工作的基础上,了解混合导体材料的结构、性质、以及膜的制备方法。
(2) 通过一步法相转化烧结制备具有开放直孔结构的多通道中空纤维膜。
(3) 采用 SEM 、 XRD 、 EDX 等表征手段对钙钛矿材料进行表征,并用色谱法检测透过气体,考察膜在不同温度条件下对空气中氧气渗透性和稳定性。
3. 参考文献
1. 金万勤; 徐南平, 混合导体透氧膜材料的设计与应用. 北京:科学出版社 2013.2. Sunarso, J.; Liu, S.; Lin, Y. S.; Costa, J. C. D. d., High performance BaBiScCo hollow fibre membranes for oxygen transport. Energ Environ Sci 2011, 4(7):2516-2519.3. Almar, L.; Szasz, J.; Weber, A.; Ivers-Tiffee, E., Oxygen Transport Kinetics of Mixed Ionic-Electronic Conductors by Coupling Focused Ion Beam Tomography and Electrochemical Impedance Spectroscopy. J Electrochem Soc 2017, 164 (4), F289-F297.4. Balaguer, M.; Escolastico, S.; Serra, J. M., Oxygen permeation and stability of CaTi0.73Fe0.(18)Mg(0.09)o(3-delta) oxygen-transport membrane. J Membrane Sci 2017, 524, 56-63.5. Das, T.; Nicholas, J. D.; Qi, Y., Polaron size and shape effects on oxygen vacancy interactions in lanthanum strontium ferrite. J Mater Chem A 2017, 5 (47), 25031-25043.6. Enrico, A.; Aliakbarian, B.; Lagazzo, A.; Donazzi, A.; Botter, R.; Perego, P.; Costamagna, P., Parameter Optimization for the Electrospinning of La1-xSrxCo1-yFeyO3-delta Fibers for IT-SOFC Electrodes. Fuel Cells 2017, 17 (4), 415-422.7. He, G. H.; Lan, Q. Q.; Sohn, Y. J.; Baumann, S.; Dunin-Borkowski, R.; Meulenberg, W. A.; Jiang, H. Q., Temperature-Induced Structural Reorganization of W-Doped Ba0.5Sr0.5Co0.8Fe0.2O3-delta Composite Membranes for Air Separation. Chem Mater 2019, 31 (18), 7487-7492.8. Li, T.; Kamhangdatepon, T.; Wang, B.; Hartley, U. W.; Li, K., New bio-inspired design for high-performance and highly robust La0.6Sr0.4Co0.2Fe0.8O3-delta membranes for oxygen permeation. J Membrane Sci 2019, 578, 203-208.9. Li, W. P.; Cao, Z. W.; Li, H. B.; Zhu, X. F.; Yang, W. S., Asymmetric dual-phase MIEC membrane reactor for energy-efficient coproduction of two kinds of synthesis gases. Int J Hydrogen Energ 2019, 44 (8), 4218-4227.10. Magnone, E.; Chae, J.; Park, J. H., Synthesis and oxygen permeation properties of Ce0.8Sm0.2O2-d - Sm1-xSrxCu0.2Fe0.8O3-d dual-phase ceramic membranes: effect of Strontium contents and Pd coating layer. Ceram Int 2018, 44 (11), 12948-12956.11. Shen, S. L.; Kuang, Y.; Zheng, K. Q.; Gao, Q. Y., A 2D model for solid oxide fuel cell with a mixed ionic and electronic conducting electrolyte. Solid State Ionics 2018, 315, 44-51.12. Song, J.; Feng, B.; Chu, Y. Y.; Tan, X. Y.; Gao, J.; Han, N.; Liu, S. M., One-step thermal processing to prepare BaCo0.95-xBi0.05ZrxO3-delta membranes for oxygen separation. Ceram Int 2019, 45 (9), 12579-12585.13. Wang, Q.; Zhang, J. M.; Li, S., Minreview: Recent advances in the development of gaseous and dissolved oxygen sensors. Instrum Sci Technol 2019, 47 (1), 19-50.14. Wang, Z. T.; Liu, W.; Wu, Y. S.; Sun, W. P.; Liu, W.; Wang, C. Q., A novel cobalt-free CO2-stable perovskite-type oxygen permeable membrane. J Membrane Sci 2019, 573, 504-510.15. Zhu, H. Y.; Ricote, S.; Duan, C. C.; O'Hayre, R. P.; Kee, R. J., Defect Chemistry and Transport within Dense BaCe0.7Zr0.1Y0.1Yb0.1O3-delta (BCZYYb) Proton-Conducting Membranes. J Electrochem Soc 2018, 165 (10), F845-F853.16. Cho, W. C.; Lee, J. K.; Nam, G. D.; Kim, C. H.; Cho, H. S.; Joo, J. H., Degradation analysis of mixed ionic-electronic conductor-supported iron-oxide oxygen carriers for chemical-looping conversion of methane. Appl Energ 2019, 239, 644-657.17. Cruellas, A.; Heezius, J.; Spallina, V.; Annaland, M. V.; Medrano, J. A.; Gallucci, F., Oxidative Coupling of Methane in Membrane Reactors; A Techno-Economic Assessment. Processes 2020, 8 (3).18. Han, N.; Chen, R. F.; Chang, T. Y.; Li, L. Q.; Wang, H. J.; Zeng, L., A novel lanthanum strontium cobalt iron composite membrane synthesised through beneficial phase reaction for oxygen separation. Ceram Int 2019, 45 (15), 18924-18930.19. Ma, T.; Han, N.; Meng, B.; Yang, N. T.; Zhu, Z. H.; Liu, S. M., Enhancing Oxygen Permeation via the Incorporation of Silver Inside Perovskite Oxide Membranes. Processes 2019, 7 (4).20. Nurherdiana, S. D.; Utomo, W. P.; Sajidah, H. B. N.; Jamil, S. M.; Othman, M. H. D.; Fansuri, H., Comprehensive Study of Morphological Modification of Dual-Layer Hollow Fiber Membrane. Arab J Sci Eng 2019, 44 (12), 10041-10055.21. Plazaola, A. A.; Labella, A. C.; Liu, Y. L.; Porras, N. B.; Tanaka, D. A. P.; Annaland, M. V.; Gallucci, F., Mixed Ionic-Electronic Conducting Membranes (MIEC) for Their Application in Membrane Reactors: A Review. Processes 2019, 7 (3).
4. 毕业设计(论文)计划
2021.01.11~2021.03.12 文献调研,外文翻译,开题报告,掌握基础实验基础;2021.03.13~2021.05.10 制定实验方案,开展实验工作;2021.05.11~2021.05.28 中后期实验阶段及数据收集;2021.05.11~2021.06.02 数据整理分析,撰写毕业论文;2021.06.03~2021.06.10 准备答辩ppt,完成答辩。
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