1. 毕业设计（论文）的内容和要求

在当今全球性能源紧缺的大背景下,锂离子电池的发展情况是研究领域的热点问题，锂-硫电池的研究又是其热门分支。

虽然锂-硫电池有很多优势，例如硫元素廉价丰富，电池理论容量高，但是我们也无法忽略锂-硫电池的劣势，它的劣势在于硫元素导电性不强，同时在充放电过程中多硫化物容易在电介质中溶解而造成质量损失。

针对该缺陷，本课题提出用聚合物包覆s_tio2正极改善锂硫电池安全性能的方法。

2. 参考文献

[1]Zhenguo Yang, Jianlu Zhang, Michael C. W. Kintner-Meyer, Xiaochuan Lu, Daiwon Choi, John P. Lemmon, and Jun Liu, Electrochemical Energy Storage for Green Grid [J].Chem. Rev,2011(111), 3577-3613. [2]A. Manthiram, Y. Fu, S.-H. Chung, C. Zu, Y.-S. Su, Rechargeable Lithium-Sulfur Batteries[J]. Chemical reviews ,114 (2014), 11751-11. [3]Tarascon J M, Armand M. Issues and challenges facing rechargeable lithium batteries. Nature. [J].2001, 414(6861): 359-367. [4] 杨秀. 分布式发电及储能技术基础[M]. 北京：中国水利水电出版社，2012. [5] 艾塞尼. 现代电动汽车、混合动力电动汽车和燃料电池车#8212;基本原理、理论和设计[M]. 北京：机械工业出版社，2010. [6] M. Rao, W. Li, E. J. Cairns, Porous carbon-sulfur composite cathode for lithium/sulfur cells. Electrochemistry Communications.[J].2012, 17, 1-5 . [7] Y. Yang, G. Zheng, Y. Cui, Nanostructured sulfur cathodes. Chem. Soc. Rev.[J]. 2013, 42:3018-3032. [8] X. Ji, L. F. Nazar, Advances in Li#8211;S batteries. J Mater Chem. [J]. 2010, 20: 9821-9826. [9] B. Zhang, C. Lai, Z. Zhou, X. P. Gao, Preparation and electrochemical properties of sulfur#8211;acetylene black composites as cathode materials. Electrochim Acta. [J]. 2009, 54:3708-3713. [10] Bo Ock Jeong, Sang Woon Kwon, Tae Jeong Kim, Eun Hee Lee1, Seong Hun Jeong,Yongju Jung. Effect of Carbon Black Materials on the Electrochemical Properties of Sulfur-Based Composite Cathode for Lithium-Sulfur Cells. J Nanosci Nanotechno. [J].2013, 13: 7870-7874. [11] Jianming Zheng, Meng Gu, Michael J.Wagner, Kevin A. Hays, Xiaohong Li, Pengjian Zuo,ChongminWang, JiGuang Zhang, Jun Liu, and Jie Xiao. Revisit Carbon/Sulfur Composite for Li-S Batteries. Journal of the Electrochemical Society. [J]. 2013, 160: A1624-A1628. [12] X. L. Ji, K. T. Lee, L. F. Nazar, A highly ordered nanostructured carbon-sulphur cathode for lithium-sulphur batteries. Nat Mater. [J]. 2009, 8: 500-506. [13] Jcrg Schuster, Guang He, Benjamin Mandlmeier, Taeeun Yim, Kyu Tae Lee, Thomas Bein,Linda F. Nazar. Spherical Ordered Mesoporous Carbon Nanoparticles with High Porosity for Lithium-Sulfur Batteries. Angewandte Chemie International Edition. [J]. 2012, 51:3591-3595. [14] B. Zhang, X. Qin, G. R. Li, X. P. Gao, Enhancement of long stability of sulfur cathode by encapsulating sulfur into micropores of carbon spheres. Energ Environ Sci. [J]. 2010, 3:1531-1537. [15] Y. Liu, A hierarchical adsorption material by incorporating mesoporous carbon into macroporous chitosan membranes. J Mater Chem. [J]. 2012, 22: 11908-11911. [16] H. Kim, H. D. Lim, J. Kim, K. Kang, Graphene for advanced Li/S and Li/air batteries. Journal of Materials Chemistry A. [J]. 2014, 2, 33-47.

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 12.22-1.12 查阅文献，翻译英文文献，开题 3.13-4.28 实验 4.28-5.12 论文中期检查 5.12－5.28 实验总结