1. 毕业设计（论文）的内容和要求

1. 学会采用各种文献检索手段对特定课题进行检索的方法，培养阅读中外文献资料的能力。

2. 培养综合运用所学专业知识分析、解决实际问题的能力。

3．培养独立开展实验研究、独立思考和分析问题与现象,并解决问题,完成课题的工作能力。

2. 参考文献

关于钠电池的研究进展、钠离子电池负极材料SnO2制备表征和测试等方面的文献 关于电池电化学测试方面的资料 关于材料表征（如XRD、SEM等）方面的资料 [1]Huang Z, Hou H, Zou G, et al. 3D Porous Carbon Encapsulated SnO2 Nanocomposite for Ultrastable Sodium Ion Batteries [J]. Electrochimica Acta, 2016, 214: 156-164. [2]Xie X, Su D, Zhang J, et al. A comparative investigation on the effects of nitrogen-doping into graphene on enhancing the electrochemical performance of SnO2/graphene for sodium-ion batteries[J]. Nanoscale, 2015, 7(7): 3164-3172. [3]Park J, Park J W, Han J H, et al. Charge#8211;discharge properties of tin dioxide for sodium-ion battery[J]. Materials Research Bulletin, 2014, 58: 186-189. [4]Fan L, Li X, Yan B, et al. Controlled SnO2 crystallinity effectively dominating sodium storage performance [J]. Advanced Energy Materials, 2016. [5]Cui J, Xu Z L, Yao S, et al. Enhanced conversion reaction kinetics in low crystallinity SnO2/CNT anodes for Na-ion batteries[J]. Journal of Materials Chemistry A, 2016, 4(28): 10964-10973. [6]Jahel A, Ghimbeu C M, Darwiche A, et al. Exceptionally highly performing Na-ion battery anode using crystalline SnO2 nanoparticles confined in mesoporous carbon[J]. Journal of Materials Chemistry A, 2015, 3(22): 11960-11969. [7]Lai H, Feng B, Jiang Y, et al. Fabrication of graphene supported SnO2 nanoparticles and their sodium storage properties [J]. Materials Letters, 2016, 166: 292-295. [8]Gu M, Kushima A, Shao Y, et al. Probing the failure mechanism of SnO2 nanowires for sodium-ion batteries[J]. Nano letters, 2013, 13(11): 5203-5211. [9]Han H, Jiang X, Chen X, et al. SnO2-Reduced Graphene Oxide Nanocomposites via Microwave Route as Anode for Sodium-Ion Battery[J]. JOM, 2016, 68(10): 2607-2612. [10]Cheng Y, Huang J, Li J, et al. SnO2/super P nanocomposites as anode materials for Na-ion batteries with enhanced electrochemical performance[J]. Journal of Alloys and Compounds, 2016, 658: 234-240. [11]G#243;rka J, Baggetto L, Keum J K, et al. The electrochemical reactions of SnO2 with Li and Na: A study using thin films and mesoporous carbons[J]. Journal of Power Sources, 2015, 284: 1-9. [12]Yue J, Wang W, Wang N, et al. Triple-walled SnO2@ N-doped carbon@ SnO 2 nanotubes as an advanced anode material for lithium and sodium storage[J]. Journal of Materials Chemistry A, 2015, 3(46): 23194-23200. [13]Wang Y X, Lim Y G, Park M S, et al. Ultrafine SnO2 nanoparticle loading onto reduced graphene oxide as anodes for sodium-ion batteries with superior rate and cycling performances[J]. Journal of Materials Chemistry A, 2014, 2(2): 529-534.

3. 毕业设计（论文）进程安排

①1－3周：文献阅读和熟悉实验室所要用到仪器设备 ②4－9周：利用分步水热法制备不同氮含量的碳包覆sno2/石墨烯复合材料，熟练掌握调浆、涂布和电池组装等一系列操作。

同时，将制备的材料制备成半电池，进行循环和倍率性能测试。

③10周：采用xrd、sem等手段对粉体进行表征 ④11－14周：电池性能测试，包括循环伏安和交流阻抗测试 ⑤15－17周：主要撰写毕业论文，准备答辩