碳/铁基复合材料可控构建与电化学性能研究任务书
2020-04-30 16:12:01
1. 毕业设计(论文)的内容和要求
传统加热方法如平面加热台、高温反应釜加热、管式反应炉加热等往往加热速度较慢,瞬时功率较低,不能够在短时间内提供足够的能量去满足很多需要较大瞬时驱动力的反应,微波法具有优异的加热性能,通常介质材料由极性分子和非极性分子组成,在电磁场作用下,这些极性分子从原来的随机分布状态转向依照电场的极性排列取向。
而在高频电磁场作用下,这些取向按交变电磁的频率不断变化,这一过程造成分子的运动和相互摩擦从而产生热量。
此时交变电场的场能转化为介质内的热能,使介质温度不断升高,具有时间短、功率高的优势,因此能促进分子材料的快速分解与重构,达到快速制备材料的目的。
2. 参考文献
[1] G. Wang, X. Shen, J. Yao, J. Park Graphene nanosheets for enhanced lithium storage in lithium ion batteries Carbon, 47 (8) (2009), pp. 2049-2053 [2] F. Kokai, R. Sorin, H. Chigusa, K. Hanai, A. Koshio, M. Ishihara, et al. Ultrasonication fabrication of high quality multilayer graphene flakes and their characterization as anodes for lithium ion batteries Diam Relat Mater, 29 (2012), pp. 63-68 [3] S.-H. Lee, S.-D. Seo, K.-S. Park, H.-W. Shim, D.-W. Kim Synthesis of graphene nanosheets by the electrolytic exfoliation of graphite and their direct assembly for lithium ion battery anodes Mater Chem Phys, 135 (2-3) (2012), pp. 309-316 [4] Y. Zou, J. Kan, Y. Wang Fe2O3-graphene rice-on-sheet nanocomposite for high and fast lithium ion storage J Phys Chem C, 115 (42) (2011), pp. 20747-20753 [5] S. Yang, G. Cui, S. Pang, Q. Cao, U. Kolb, X. Feng, et al. Fabrication of cobalt and cobalt oxide/graphene composites: towards high-performance anode materials for lithium ion batteries ChemSusChem, 3 (2) (2010), pp. 236-239 [6] E. Yoo, J. Kim, E. Hosono, H.-s. Zhou, T. Kudo, I. Honma Large reversible li storage of graphene nanosheet families for use in rechargeable lithium ion batteries Nano Lett, 8 (8) (2008), pp. 2277-2282 [7] L.L. Zhang, X.S. Zhao Carbon-based materials as supercapacitor electrodes Chem Soc Rev, 38 (9) (2009), pp. 2520-2531 [8] H. Kabbour, T.F. Baumann, J.H. Satcher, A. Saulnier, C.C. Ahn Toward new candidates for hydrogen storage: high-surface-area carbon aerogels Chem Mater, 18 (26) (2006), pp. 6085-6087
3. 毕业设计(论文)进程安排
2018.12.23-2019.1.13 申报课题,下达任务书,根据课题和任务书要求开始查阅文献,撰写并提交开题报告,完成外文文献翻译。
2019.2.20-2019.2.26 熟悉实验室各项操作及规定并进行相关仪器的使用学习。
2019.3.1-2019.4.10 根据课题相关要求进行碳布复合材料的制备,认识和学会运用相关表征技术。