1. 毕业设计（论文）的内容和要求
本课题将设计通过水热法合成一种富钴缺陷钴硒化物作为镁离子电池电极材料。
通过调节合成工艺并联用XRD、SEM等手段表征，进行材料的设计和优化，改善材料的电化学性能。
在实现较好的电化学性能基础上，进一步研究电极材料的动力学过程与储镁机理。
2. 参考文献
根据毕业要求指点10.3，毕设期间要进行研究现状调查与总结，要求在开题报告及毕业设计（论文）中涉及的英文文献不少于20篇，其中近5年不少于8篇，英文文献不少于5篇。
以下是与本课题相关的部分文献列表：[1] 王艳荣. 新型镁电池电极材料的制备及电化学性能研究. 南京大学博士论文. 2018：146. [2] 徐敏. MXene及其复合材料的镁电池性能研究. 兰州大学硕士论文. 2018：63.[3] Aurbach D, Lu Z, Schechter A, et al. Prototype systems for rechargeable magnesium batteries[J]. Nature, 2000,407(6805):724-727.[4] Liang Y, Feng R, Yang S, et al. Rechargeable Mg Batteries with Graphene-like MoS2 Cathode and Ultrasmall Mg Nanoparticle Anode[J].Advanced Materials,2011,23(5):640-643. [5] Xiao Y, Su D, Wang X, et al. CuS Microspheres with Tunable Interlayer Space and Micropore as a High-Rate and Long-Life Anode for Sodium-Ion Batteries[J]. Advanced Energy Materials, 2018,8(22):1800930.[6] Mao M, Gao T, Hou S, et al. High-Energy-Density Rechargeable Mg Battery Enabled by a Displacement Reaction[J]. Nano Letters, 2019,19(9):6665-6672.[7] He D, Wu X, Wu D, et al. Flower-like CoS with nanostructures as a new cathode-active material for rechargeable magnesium batteries[J]. Journal of Power Sources, 2015,294:643-649.[8] Xue X, Chen R, Yan C, et al. One-Step Synthesis of 2-Ethylhexylamine Pillared Vanadium Disulfide Nanoflowers with Ultralarge Interlayer Spacing for High-Performance Magnesium Storage[J]. Advanced Energy Materials, 2019,9(190014522).[9] Wang Y, Liu Z, Wang C, et al. Highly Branched VS4 Nanodendrites with 1D Atomic-Chain Structure as a Promising Cathode Material for Long-Cycling Magnesium Batteries[J]. Advanced Materials, 2018,30(32):1802563.[10] Mao M, Gao T, Hou S, et al. A critical review of cathodes for rechargeable Mg batteries[J]. Chemical Society Reviews, 2018,47(23):884-8841. [11] Sheng J, Peng C, Yan S, et al. New anatase phase VTi2.6O7.2 ultrafine nanocrystals for high-performance rechargeable magnesiumbased batteries[J]. Journal of Materials Chemistry a, 2018,6(28):13901-13907. [12] Zhou L, Xiong F, Tan S, et al. Nickel-iron bimetallic diselenides with enhanced kinetics for high-capacity and long-life magnesium batteries[J]. Nano Energy, 2018,54:360-366. [13] Xiong F, Fan Y, Tan S, et al. Magnesium storage performance and mechanism of CuS cathode[J]. Nano Energy, 2018,47:210-216. [14] Wan L F, Prendergast D. Ion-Pair Dissociation on α-MoO3 Surfaces: Focus on the ElectrolyteCathode Compatibility Issue in Mg Batteries[J]. The Journal of Physical Chemistry C, 2017,122(1):398-405. [15] Sun X, Bonnick P, Duffort V, et al. A high capacity thiospinel cathode for Mg batteries[J]. Energy Environmental Science, 2016,9(7):2273-2277.[16] Yin J, Brady A B, Takeuchi E S, et al. Magnesium-ion battery-relevant electrochemistry of MgMn2O4: crystallite size effects and the notable role of electrolyte water content[J]. Chemical Communications, 2017,53(26):3665-3668..[17] Juran T R, Young J, Smeu M. Density Functional Theory Modeling of MnO2 Polymorphs as Cathodes for Multivalent Ion Batteries[J]. Journal of Physical Chemistry C, 2018,122(16):8788-8795. [18] Kim J, Chang W, Kim R, et al. High-capacity nanostructured manganese dioxide cathode for rechargeable magnesium ion batteries[J]. Journal of Power Sources, 2015,273:210-215.[19] Zhao M, Ren C E, Alhabeb M, et al. Magnesium-Ion Storage Capability of MXenes[J]. ACS Applied Energy Materials, 2019,2(2):1572-1578.[20] Liu B, Luo T, Mu G, et al. Rechargeable Mg-Ion Batteries Based on WSe2 Nanowire Cathodes[J]. ACS Nano, 2013,7(9):8051-8058.[21] Ji X, Chen J, Wang F, et al. Water-Activated VOPO4 for Magnesium Ion Batteries[J]. Nano Letters, 2018,18(10):6441-6448.[22] Zhou L, Liu Q, Zhang Z, et al. Interlayer-Spacing-Regulated VOPO4 Nanosheets with Fast Kinetics for High-Capacity and Durable Rechargeable Magnesium Batteries[J]. Advanced Materials, 2018,30(180198432).[23] Luo T, Liu Y, Su H, et al. Nanostructured-VO2(B): A high-capacity magnesium-ion cathode and its electrochemical reaction mechanism[J]. Electrochimica Acta, 2018,260:805-813.[24] Fu Q, Sarapulova A, Trouillet V, et al. In Operando Synchrotron Diffraction andin Operando X-ray Absorption Spectroscopy Investigations of Orthorhombic V2O5 Nanowires as Cathode Materials for Mg-Ion Batteries[J]. Journal of the American Chemical Society, 2019,141(6):2305-2315.[25] Gershinsky G, Yoo H D, Gofer Y, et al. Electrochemical and Spectroscopic Analysis of Mg2 Intercalation into Thin Film Electrodes of Layered Oxides: V2O5 and MoO3[J]. Langmuir, 2013,29(34):10964-10972.[26] Wu N, Yang Z, Yao H, et al. Improving the Electrochemical Performance of the Li4Ti5O12 Electrode in a Rechargeable Magnesium Battery by Lithium-Magnesium Co-Intercalation[J]. Angewandte Chemie-International Edition, 2015,54(19):5757-5761.
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