1. 毕业设计（论文）的内容和要求

1. 毕业设计的内容 目前，锂离子电池储能系统广泛的用于各种储能设备，但是锂资源不均一且储量下降的原因，导致价格较为昂贵，再加上日益推广的新能源汽车，将迅速加大锂源的需求量，这将极大地限制其在大规模储能的电池进一步发展。

为解决这一问题，科研人员针对与锂离子在同一主族的钠元素开展了研究，由于其具有诸多相似的物理化学特性及储存机理，同时资源丰富。

近年来钠离子电池材料的研发水平也在突飞猛进。

2. 参考文献

[1] Chen L, Fiore M, Wang J E, et al. Readiness Level of Sodium‐Ion Battery Technology: A Materials Review[J]. Advanced Sustainable Systems, 2018, 2(3): 1700153. [2] Beda A, Taberna P L, Simon P, et al. Hard carbons derived from green phenolic resins for Na-ion batteries[J]. Carbon, 2018. [3] Yu C, Hou H, Liu X, et al. Old-loofah-derived hard carbon for long cyclicity anode in sodium ion battery[J]. International Journal of Hydrogen Energy, 2018, 43(6): 3253-3260. [4] Li D, Sun Y, Chen S, et al. Highly Porous FeS/Carbon Fibers Derived from Fe-Carrageenan Biomass: High-capacity and Durable Anodes for Sodium-Ion Batteries[J]. ACS applied materials interfaces, 2018, 10(20): 17175-17182. [5] Zhu Z, Liang F, Zhou Z, et al. Expanded biomass-derived hard carbon with ultra-stable performance in sodium-ion batteries[J]. Journal of Materials Chemistry A, 2018, 6(4): 1513-1522. [6] Zhu Y, Chen M, Li Q, et al. A porous biomass-derived anode for high-performance sodium-ion batteries[J]. Carbon, 2018, 129: 695-701. [7] Xiao L, Lu H, Fang Y, et al. Low‐Defect and Low‐Porosity Hard Carbon with High Coulombic Efficiency and High Capacity for Practical Sodium Ion Battery Anode[J]. Advanced Energy Materials, 2018: 1703238. [8] Zhang N, Liu Q, Chen W, et al. High capacity hard carbon derived from lotus stem as anode for sodium ion batteries[J]. Journal of Power Sources, 2018, 378: 331-337. [9] Lu P, Sun Y, Xiang H, et al. 3D Amorphous Carbon with Controlled Porous and Disordered Structures as a High‐Rate Anode Material for Sodium‐Ion Batteries[J]. Advanced Energy Materials, 2018, 8(8): 1702434. [10] Li Z, Chen Y, Jian Z, et al. Defective Hard Carbon Anode for Na-ion Batteries[J]. Chemistry of Materials, 2018. [11] Tian Z, Sun S, Zhao X, et al. Phoenix tree leaves-derived biomass carbons for sodium-ion batteries[J]. Functional Materials Letters, 2018, 11(06): 1840008. [12] Shen Y, Sun S, Yang M, et al. Typha-derived hard carbon for high-performance sodium ion storage[J]. Journal of Alloys and Compounds, 2019. [13] 杨肖娥, 傅承新. 东南景天 (Sedum alfreii H)#8212;一种新的锌超积累植物[J]. 科学通报, 2002, 47(13): 1003-1006. [14] 李继光, 李廷强, 朱恩, 等. 氮对超积累植物东南景天生长和镉积累的影响[J]. 水土保持学报, 2007, 21(1): 54-58. [15] Sun Q, Ni W Z, Yang X X, et al. Effect of phosphorus on the growth, zinc absorption and accumulation in hyperaccumulator#8211;Sedum alfredii Hance[J]. Acta Scientiae Circumstantiae, 2003, 23(6): 818-824.

3. 毕业设计（论文）进程安排

2019.01.5-2019.01.29 查阅文献资料，了解研究背景，完成外文翻译，文献综述和开题报告; 2019.2.20-2019.5.16 进行课题实验，结果分析与处理; 2019.05.17-2019.06.07 撰写毕业论文，完成审阅与修改; 2019.06.07-2019.06.10 制作答辩PPT，进行答辩。