石墨纳米笼用于锂硫电池电极任务书

菜单

一、课题的任务内容：通过化学气相沉积合成掺杂结构的石墨纳米笼，利用简单酸洗或磁性分离提纯，随后作为锂硫电池电极材料用于锂硫电池。

二、原始条件及数据：42311

通过各分离方法获得样品进行比表面积、介孔孔径分布和X射线衍射比较，探讨各制备方法合成的石墨对锂硫电池电极性能的影响。

三、设计的技术要求（论文的研究要求）：

处理特定掺杂结构的石墨纳米笼，利用简单酸洗或磁性分离，制备多孔壁碳纳米笼,作为锂电负极材料用于锂离子电池。探讨各制备方法合成的石墨对锂硫电池电极性能的影响。

四、毕业设计（论文）应完成的具体工作：论文网

尝试合成超高比表面积、多孔壁结构或者含特定官能团的石墨纳米笼。在x射线衍射和高分辨电镜的测试结果，均证明高度石墨化的条件下，在保证石墨化的同时，比表面积可以达到800m2/g以上。探讨各制备方法合成的石墨对锂硫电池电极性能的影响。使纳米石墨样品在5c下比容量达到400 mAh/g以上。

软硬件名称、内容及主要的技术指标（可按以下类型选择）：

计算机软件

图纸

电路板

机电装置

新材料制剂

结构模型

其他使纳米石墨样品在5c下比容量达到400mAh/g以上。

五、查阅文献要求及主要的参考文献：

•[1] Lee Y. J., Yi H., Kim W. J., Kang K., Yun D.S., Strano M.S., Ceder G., G., Belcher A. M., Fabricating Genetically Engineered High-Power Lithium-Ion Batteries Using Multiple Virus Genes. Science, 2009, 324, 1051.

•[2] Niu J. J., Wang J. N., Activated carbon nanotubes-supported catalyst in fuel cells. Electrochim. Acta, 2008, 53, 8058.

•[3] Joo S. H., Choi S. J., Oh I., Kwak J., Liu Z., Terasaki O., Ryoo R, Ordered nanoporous arrays of carbon supporting high dispersions of platinum nanoparticles. Nature, 2001, 412, 169-172.

•[4] Zhou J. H., He J. P., Zhao G. W., Ordered mesoporous carbon decorated with rare earth oxide as electrocatalyst support for Pt nanoparticles. Electrochem. Commun., 2008, 10, 76-79.

•[5] Chai G. S., Shin I. S., Yu J. S., Synthesis of Ordered, Uniform, Macroporous Carbons with Mesoporous Walls Templated by Aggregates of Polystyrene Spheres and Silica Particles for Use as Catalyst Supports in Direct Methanol Fuel Cells. Adv. Mater., 2004, 16, 2057-2061.

•[6] Han S. J., Yun Y. K., Park K. W., Simple solid-phase synthesis of hollow graphitic nanoparticles and their application to direct methanol fuel cell electrodes. Adv. Mater., 2003, 15, 1922-1925.

•[7] Xia B. Y., Wang J. N., Wang X. X., Niu J. J., Sheng Z. M., Chang H., Pak C., Synthesis and application of graphitic carbon with high surface area. Adv. Funct. Mater., 2008, 18, 1790-1798.

•[8] Niwase K., Homae T., Nakamura K. G., Generation of giant carbon hollow spheres from C60 fullerene by shock-compression. Chem. Phys. Lett., 2002, 362, 47-50.

•[9] Saito Y., Matsumoto T., Hollow and filled rectangular parallelopiped carbon nanocapsules catalyzed by calcium and strontium. J. Cry. Grow., 1998, 187, 402-409

•[10] Du A. B., Liu X. G., Xu B. S. Synthesis and structure characterization of coal-based nano-structured onion-like fullerenes. J. Inorg. Mater., 2005, 20, 779-784

•[11] Chlopek J., Czajkowska B., Szaraniec B., In vitro studies of carbon nanotube biocompatibility. Carbon, 2006, 44, 1106-1111.

•[12] Smart S. K., Cassaday A. I., Lu G. Q., The biocompatibility of carbon nanotubes. Carbon, 2006, 44, 1034-1047.

•[13] Abatemarco T., Stickel J., Belfort J., Fractionation of Multiwalled Carbon Nanotubes by Cascade Membrane Microfiltration. J. Phys. Chem. B, 1999, 103, 3534-3538.