A位缺陷Sr0.8Fe0.81Ta0.09Ni0.1O3-δ材料设计与制备任务书
2020-06-24 19:47:16
1. 毕业设计(论文)的内容和要求
sr0.8fe0.81ta0.09ni0.1o3-δ材料是良好的钙钛矿基ni催化剂材料。
而a位缺陷的非化学计量的钙钛矿基催化剂材料在还原性条件下,能够原位析出纳米催化剂,于传统的催化剂相比,催化位点更多,也能有效的抑制催化剂结焦、积炭等问题。
制备钙钛矿基催化剂材料的方法有许多,氧化还原脱溶法制出的钙钛矿基ni催化剂材料性质良好。
2. 参考文献
[1] H. Wang, C. Tablet, W. Yang, J. Caro, In situ high temperature X-ray diffraction studies of mixed ionic and electronic conducting perovskite-type membranes,Mater. Lett. 59 (2005) 3750#8211;3755. [2] Shiozaki, R. et al. Partial oxidation of methane over a Ni/BaTiO3 catalyst prepared by solid phasecrystallization. J. Chem. Soc. Faraday Trans. 93,3235#8211;3242 (1997). [3] Kobsiriphat, W., Madsen, B. D., Wang, Y., Marks, L. D. Barnett, S. A. La0.8Sr0.2Cr1-xRuxO3-δ#8211;Gd0.1Ce0.9O1.95 solid oxide fuel cell anodes: Ru precipitation and electrochemical performance. Solid State Ionics 180, 257#8211;264(2009). [4] Neagu, D., Tsekouras, G., Miller, D. N., Me′nard, H. Irvine, J. T. S. In situ growth of nanoparticles through control of non-stoichiometry. Nat. Chem. 5,916#8211;923 (2013). [5] Neagu D, Tsekouras G, Miller D N, et al. In situ growth of nanoparticles through control of non-stoichiometry.[J]. Nature Chemistry, 2013, 5(11):916. [6]Neagu D, Oh T S, Miller D N, et al. Nano-socketed nickel particles with enhanced coking resistance grown in situ by redox exsolution[J]. Nature Communications, 2015, 6:8120. [7] 金万勤,徐南平,混合导体氧渗透膜设计、制备与应用, 2013,北京. [8] Konysheva, E., Blackley, R. Irvine, J. T. S. Conductivity behavior of composites in the La0.6Sr0.4CoO3#177;δ#8211;CeO2 system: function of connectivity and interfacial interactions. Chem. Mater. 22, 4700#8211;4711 (2010). [9] Neagu D, Papaioannou E I, Ramli W K W, et al. Demonstration of chemistry at a point through restructuring and catalytic activation at anchored nanoparticles[J]. Nature Communications, 2017, 8(1855). [10] Bierschenk, D. M. et al. Pd-substituted (La,Sr)CrO3-δ#8211;Ce0.9Gd0.1O2-δ solid oxide fuel cell anodes exhibiting regenerative behavior. J. Power Sources 196,3089#8211;3094 (2011). [11] Anderson, M. T., Vaughey, J. T. Poeppelmeier, K. R. Structural similarities among oxygen-deficient perovskites. Chem. Mater. 5, 151#8211;165 (1993). [12] Wang, Z. L. Kang, Z. C. Functional and Smart Materials: Structural Evolution and Structure Analysis (Springer, 1998). [13] Bowden, M. E., Jefferson, D. A. Brown, I. W. M. Determination of layer structure in Sr1-xLaxTiO3 0.5x (0
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。
18.02.20~18.03.20: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。
18.03.20~18.05.20:完成本课题实验工作,制备sr0.8fe0.81ta0.09ni0.1o3-δ材料,并对其进行表征,确定其性能。
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