1. 毕业设计（论文）的内容和要求

固体氧化物燃料电池（sofc）作为一种高效、清洁的能量转化装置，能够有效的解决环境污染、能源短缺等问题。

sofc的低温化对阴极材料的要求更加严苛。

本次实验通过将尖晶石结构的mnco2o5 δ(mco)与传统的电解质ce0.8sm0.2o1.9(sdc)进行复合。

2. 参考文献

[1] ZHAO Y, OH T, LI Y, et al. Fabrication of MnCo2O4-YSZ Composite Cathodes for Solid Oxide Fuel Cells by Electrodeposition[J]. Journal of The Electrochemical Society, 2016,163(8):F863-F866. [2] HAN G D, CHOI H J, BAE K, et al. Fabrication of Lanthanum Strontium Cobalt Ferrite#8211;Gadolinium-Doped Ceria Composite Cathodes Using a Low-Price Inkjet Printer[J]. ACS Applied Materials Interfaces, 2017,9(45):39347-39356. [3] DING D, LIU M, LIU Z, et al. Efficient Electro-Catalysts for Enhancing Surface Activity and Stability of SOFC Cathodes[J]. Advanced Energy Materials, 2013,3(9):1149-1154. [4] IOANNIDOU E, NEOFYTIDIS C, SYGELLOU L, et al. Au-doped Ni/GDC as an Improved Cathode Electrocatalyst for H 2 O Electrolysis in SOECs[J]. Applied Catalysis B: Environmental, 2018,236:253-264. [5] WANG Y, XU Q, HUANG D, et al. Diagnosis on improved electrocatalytic activity of La2Ni0.8Cu0.2O4 δ electrodes towards oxygen reduction reaction[J]. Applied Surface Science, 2017,423:995-1002. [6] BRETT D J, ATKINSON A, BRANDON N P, et al. Intermediate temperature solid oxide fuel cells[J]. Chem Soc Rev, 2008,37(8):1568-1578. [7] KIM J J, BISHOP S R, CHEN D, et al. Defect Chemistry of Pr Doped Ceria Thin Films Investigated byin Situ Optical and Impedance Measurements[J]. Chemistry of Materials, 2017,29(5):1999-2007. [8] DING X, LIU H, GAO Z, et al. La 0.6 Ca 0.4 Fe 0.8 Ni 0.2 O 3#8722;δ #8211; Sm 0.2 Ce 0.8 O 1.9 composites as symmetrical bi-electrodes for solid oxide fuel cells through infiltration and in - situ exsolution[J]. International Journal of Hydrogen Energy, 2017,42(39):24968-24977. [9] CHEN Y, ZHANG L, WANG C, et al. Performance of La0.5Sr0.5Fe0.9Mo0.1O3#8201;#8722;#8201;δ#8211;Sm0.2Ce0.8O2#8201;#8722;#8201;δ composite cathode for CeO2- and LaGaO3-based solid oxide fuel cells[J]. Ionics, 2018,24(9):2717-2728. [10] SHARMA R K, DJURADO E. Functionally graded and homogeneous composites of La2NiO4 δand Lan 1NinO3n 1 (n = 2 and 3) solid oxide fuel cell cathodes[J]. J. Mater. Chem. A, 2017,5(42):22277-22287. [11] SUN C, HUI R, ROLLER J. Cathode materials for solid oxide fuel cells: a review[J]. Journal of Solid State Electrochemistry, 2010,14(7):1125-1144. [12] LIANG Y, WANG H, ZHOU J, et al. Covalent Hybrid of Spinel Manganese#8211;Cobalt Oxide and Graphene as Advanced Oxygen Reduction Electrocatalysts[J].Journal of the American Chemical Society, 2012,134(7):3517-3523. [13] LIN L, XU Q, WANG Y, et al. Property optimization for strontium-rich lanthanum chromium ferrite cathodes: A demonstration of lanthanide replacement effect[J]. Materials Research Bulletin, 2018,106:263-270. [14] LI C, HAN X, CHENG F, et al. Phase and composition controllable synthesis of cobalt manganese spinel nanoparticles towards efficient oxygen electrocatalysis[J]. Nature Communications, 2015,6(1). [15] DUDZ M, WROBEL W, MALYS M, et al. Structural and electrical properties of Bi 3 Y 0.9 W 0.1 O 6.15 -La 0.8 Sr 0.2 MnO 3 (BiYWO-LSM) composites[J]. Solid State Ionics, 2017,311:14-19. 学生在此基础上自行查阅相关文献至少10篇。

3. 毕业设计（论文）进程安排

起讫日期 设计（论文）各阶段工作内容 备 注 2018.12.18-2019.1.5 了解课题背景，查阅相关文献 2019.1.6-2019.1.10 文献综述，翻译英文文献 2019.1.11-2019.1.24 完成开题，确定实验方案 2019.3.18-2019.3.20 实验准备 2019.3.21-2019.3.29 MnCo2O4和Ce0.8Sm0.2O1.9粉体的制备 2019.3.30-2019.4.20 考察MnCo2O4和Ce0.8Sm0.2O1.9粉体的化学相容性 2019.4.21-2019.4.30 丝网印刷制备MCO-SDC复合阴极骨架 2019.5.1-2019.5.14 制备不同比例的复合材料 五一 2019.5.15-2019.5.22 制备不同烧结温度的复合材料 2019.5.23-2019.5.28 复合阴极的性能测试 2019.5.29-2019.6.7 实验数据分析，撰写毕业论文 2019.6.8-2019.6.14 论文答辩