1. 毕业设计（论文）的内容和要求

1、内容： 固体氧化物燃料电池(sofc)因其高效率、无污染、全固态结构和对多种燃料气体的广泛适应性等，有着广阔的市场前景。

而质子导体基固体氧化物燃料电池以其相对温和的工作温度、较低的成本和可观的应用前景成为一类重要的中低温固体氧化物燃料电池(it-sofcs)。

其中，y掺杂的bazro3材料（bzy）因其化学稳定性好，体积电导率大成为很有前景的电解质材料，但其较差的烧结性能一直是一个难题。

2. 参考文献

[1] Zhan Z, Han D, Wu T, et al. A solid oxide cell yielding high power density below 600℃[J]. Rsc Advances, 2012, 2(10): 4075-4078. [2] DUAN C C, TONG J H, SHANG M, et al. Readily processed protonic ceramic fuel cells with high performance at low temperatures[J]. Science, 2015, 349(6254): 1321-1326. [3] Iwahara H, Esaka T, Uchida H, et al. Proton conduction in sintered oxides and its application to steam electrolysis for hydrogen production[J]. Solid State Ionics, 1981, 3: 359-363. [4] Demin A, Tsiakaras P. Thermodynamic analysis of a hydrogen fed solid oxide fuel cell based on a proton conductor[J]. International Journal of Hydrogen Energy, 2001, 26(10): 1103-1108. [5] Sun W, Yan L, Shi Z, et al. Fabrication and performance of a proton-conducting solid oxide fuel cell based on a thin BaZr0.8Y0.2O3#8722;δ electrolyte membrane[J]. J Power Sources, 2010, 195(15): 4727#8211;4730. [6] Gilardi E, Fabbri E, Bi L, et al. Effect of Dopant-Host Ionic Radii Mismatch on Acceptor -Doped Barium Zirconate Microstructure and Proton Conductivity[J]. J Phys Chem C, 2017, 121(18): 9739-47. [7] Iguchi F, Yamada T, Sata N, et al. The influence of grain structures on the electrical conductivity of a BaZr0.95Y0.05O3, proton conductor[J]. Solid State Ionics, 2006, 177(26): 2381-2384. [8] A. Magrez, T. Schober. Preparation, sintering, and water incorporation of proton conducting Ba0.99Zr0.8Y0.2O3#8722;δ: comparison between three different synthesis techniques[J]. Solid State Ionics, 2004, 175(1): 585-588. [9] NikodemskiI S, Tong J H, O'Hayre R. Solid-state reactive sintering mechanism for proton conducting ceramics[J]. Solid State Ionics, 2013, 253: 201-210. [10] Sun Z, Fabbri E, Bi L, et al. Lowering grain boundary resistance of BaZr0.8Y0.2O3-δ with LiNO3 sintering-aid improves proton conductivity for fuel cell operation[J]. Physical Chemistry Chemical Physics, 2011, 13(17): 7692-7700. [11] Sun Z Q, Fabbri E, Bi L, et al. Electrochemical Properties and Intermediate-Temperature Fuel Cell Performance of Dense Yttrium-Doped Barium Zirconate with Calcium Addition[J]. J Am Ceram Soc, 2012, 95(2): 627-635. [12] Biswas M , An H , Choi S M , et al. Low-temperature sintering of Ba(Zr,Y)O3-δ based proton conducting oxides using BaO#8211;CuO eutectic flux as sintering aid[J]. Ceramics International, 2016:10476-10481. [13] Han D , Iihara J , Uemura S , et al. A high temperature reduction cleaning (HTRC) process: a novel method for conductivity recovery of yttrium-doped barium zirconate electrolytes[J]. J. Mater. Chem. A, 2016, 4(27):10601-10608. [14] Enhanced proton conductivity of yttrium-doped barium zirconate with sinterability in protonic ceramic fuel cells[J]. Journal of Alloys Compounds, 2015, 639:435-444. [15] Muccillo R , Muccillo E N S , Andrade T F , et al. Thermal analyses of yttrium-doped barium zirconate with phosphor pentoxide, boron oxide and zinc oxide addition[J]. Journal of Thermal Analysis Calorimetry, 2017, 130(3):1-9.

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 2月25日 ~3月3日 确定课题，布置任务，阅读文献资料，并进一步检索文献。

3月4日 ~3月17日 翻译英文文献，完成开题报告；制订实验计划，了解实验仪器设备及实验方法。

3月18日 ~ 3月24日 修改开题报告及英文文献翻译，进行开题，根据意见完善实验计划。