1. 毕业设计（论文）的内容和要求

毕业论文研究内容是合成纳米的磷化钴材料，通过研究不同的工艺条件，找出最佳的合成路径。

研究磷化钴复合电极在锂硫电池中的电化学性能并得出结论。

毕业论文要求实验数据真实可靠，内容充实，不得有学术不端的行为。

2. 参考文献

[1]. Zhou, T., et al., Enhanced Sodium-Ion Battery Performance by Structural Phase Transition from Two-Dimensional Hexagonal-SnS2 to Orthorhombic-SnS. ACS Nano, 2014. 8(8): p. 8323-8333. [2]. Zhang, F., et al., High Temperature Carbonized Grass as a High Performance Sodium Ion Battery Anode. ACS Applied Materials Interfaces, 2017. 9(1): p. 391-397. [3]. Yang, E., H. Ji, and Y. Jung, Two-Dimensional Transition Metal Dichalcogenide Monolayers as Promising Sodium Ion Battery Anodes. The Journal of Physical Chemistry C, 2015. 119(47): p. 26374-26380. [4]. Yan, L., et al., Ultrafine Nb2O5 Nanocrystal Coating on Reduced Graphene Oxide as Anode Material for High Performance Sodium Ion Battery. ACS Applied Materials Interfaces, 2016. 8(34): p. 22213-22219. [5]. Bang, G.S., et al., Effective Liquid-Phase Exfoliation and Sodium Ion Battery Application of MoS2 Nanosheets. ACS Applied Materials Interfaces, 2014. 6(10): p. 7084-7089. [6]. Xu, Y., et al., Highly Ordered Three-Dimensional Ni-TiO2 Nanoarrays as Sodium Ion Battery Anodes. Chemistry of Materials, 2015. 27(12): p. 4274-4280. [7]. Wei, Z., A.S. Filatov, and E.V. Dikarev, Volatile Heterometallic Precursors for the Low-Temperature Synthesis of Prospective Sodium Ion Battery Cathode Materials. Journal of the American Chemical Society, 2013. 135(33): p. 12216-12219. [8]. Sharma, N., et al., Sodium Distribution and Reaction Mechanisms of a Na3V2O2(PO4)2F Electrode during Use in a Sodium-Ion Battery. Chemistry of Materials, 2014. 26(11): p. 3391-3402. [9]. Shadike, Z., et al., Improved electrochemical performance of CoS2-MWCNT nanocomposites for sodium-ion batteries. Chem Commun (Camb), 2015. 51(52): p. 10486-9. [10]. Sarkar, A., et al., Rechargeable Sodium-Ion Battery: High-Capacity Ammonium Vanadate Cathode with Enhanced Stability at High Rate. ACS Applied Materials Interfaces, 2015. 7(31): p. 17044-17053. [11]. Oh, S.-M., et al., High Electrochemical Performances of Microsphere C-TiO2 Anode for Sodium-Ion Battery. ACS Applied Materials Interfaces, 2014. 6(14): p. 11295-11301. [12]. Feng, J., et al., Metallic few-layered VS2 ultrathin nanosheets: high two-dimensional conductivity for in-plane supercapacitors. J Am Chem Soc, 2011. 133(44): p. 17832-8. [13]. Abel, P.R., et al., Nanocolumnar Germanium Thin Films as a High-Rate Sodium-Ion Battery Anode Material. The Journal of Physical Chemistry C, 2013. 117(37): p. 18885-18890. [14]. Naeyaert, P.J.P., et al., Synthetic, Structural, and Electrochemical Study of Monoclinic Na4Ti5O12 as a Sodium-Ion Battery Anode Material. Chemistry of Materials, 2014. 26(24): p. 7067-7072. [15]. Liu, Y., et al., Tin-Coated Viral Nanoforests as Sodium-Ion Battery Anodes. ACS Nano, 2013. 7(4): p. 3627-3634. [16]. Liao, J.-Y. and A. Manthiram, High-performance Na 2 Ti 2 O 5 nanowire arrays coated with VS 2 nanosheets for sodium-ion storage. Nano Energy, 2015. 18: p. 20-27. [17]. Li, W., et al., Facile in situ synthesis of crystalline VOOH-coated VS2 microflowers with superior sodium storage performance. Journal of Materials Chemistry A, 2017. 5(38): p. 20217-20227. [18]. Hong, M., et al., Semimetallic 1T′ WTe2 Nanorods as Anode Material for the Sodium Ion Battery. Energy Fuels, 2018. 32(5): p. 6371-6377. [19]. Li, H., et al., Carbonized-leaf Membrane with Anisotropic Surfaces for Sodium-ion Battery. ACS Applied Materials Interfaces, 2016. 8(3): p. 2204-2210. [20]. David, L., R. Bhandavat, and G. Singh, MoS2/Graphene Composite Paper for Sodium-Ion Battery Electrodes. ACS Nano, 2014. 8(2): p. 1759-1770.

3. 毕业设计（论文）进程安排

2018年12月-2019年1月：查找阅读文献，完成论文的整体规划，完成开题报告。

2019年2月-2019年4月：进行课题的实验，完成材料的合成，形貌等表征测试。

2019年5月：进行材料的电化学性能测试，完成毕业论文的撰写。