1. 毕业设计（论文）的内容和要求
本课题通过构造三维碳基复合纳米化结构的硒化钴来减小硒化钴在充放电过程中的体积膨胀，从而提高电池的长循环寿命。
采用自组装及水热的方式，将硒化钴负载于三维谈及材料上，通过研究水热温度、退火温度与时间、充放电电流电压等因素，结合现代分析技术，如XRD、SEM、交流阻抗、交流伏安等，初步探讨硒化钴在充放电过程中体积变化受到抑制的程度及其对电池性能的影响。
最后把整个研究内容写成毕业论文。
2. 参考文献
根据毕业要求指标点3.2、10.2的要求，毕业论文期间要进行研究现状调查与总结，要求在开题报告及毕业设计（论文）中涉及的文献不少于20篇，其中英文文献不少于5篇。
以下是与本课题相关的部分文献列表，学生自己按需进行补充：[1] 吴宇平, 万春荣, 姜长印. 锂离子二次电池 [M]. 北京: 化学工业出版社, 2002.[2] Tarascon J M, Armand M. Issues and Challenges Facing Rechargeable Lithium Batteries[J]. Nature. 2001, 414(6861): 359-367.[3] 何曼君，陈维孝，董西侠. 高分子物理[M]. 上海:复旦大学出版社, 1990[4] M. Armand, J. M. Tarascon. Building better batteries [J], Nature, 2008, 451, 652.[5] Mentbayeva A, Belgibayeva A, Umirov N, et al. High Performance Freestanding Composite Cathode for Lithium-Sulfur Batteries[J]. Electrochimica Acta. 2016, 217: 242-248.[6] Bruce P G, Freunberger S A, Hardwick L J, et al. Li-O2 and Li-S Batteries with High Energy Storage[J]. Nature Materials. 2012, 11(1): 19-29.[7] Kang W, Deng N, Ju J, et al. A Review of Recent Developments in Rechargeable Lithium-Sulfur Batteries.[J]. Nanoscale. 2016, 8(37).[8] Mikhaylik Y V, Akridge J R. Polysulfide Shuttle Study in The Li/S Battery System[J]. Journal of the Electrochemical Society. 2004, 151(11): A1969-A1976.[9] Ji X, Nazar L F. Advances in Li-S Batteries[J]. Journal of Materials Chemistry. 2010, 20(44): 9821-9826.[10] Ji X, Lee K T, Nazar L F. A Highly Ordered Nanostructured Carbon-Sulphur Cathode for Lithium-Sulphur Batteries[J]. Nature Materials. 2009, 8(6): 500-506.[11] Xie Q X, Zheng A R, Xie C, et al. Graphene Functionalized Attapulgite/Sulfur Composite as Cathode of Lithium-Sulfur Batteries for Energy Storage[J]. Microporous and Mesoporous Materials. 2016, 224: 239-244.[12] Zhi W S, Wang H T, Hsu P C, et al. Facile synthesis of Li2S-polypyrrole composite structures for high-performance Li2S cathodes[J]. Energy Environmental Science. 2014,7: 672-676.[13] Wang D H, Xie D, Yang T, et al. Conversion from Li2SO4 to Li2S@C on carbon paper matrix: A novel integrated cathode for lithium-sulfur batteries[J]. Journal of Power Sources. 2016, 331:475-480.
以上是毕业论文任务书，课题毕业论文、开题报告、外文翻译、程序设计、图纸设计等资料可联系客服协助查找。
