Mg3Ti1-xMnxNi2合金制备及电化学性能任务书
2020-05-26 20:28:21
1. 毕业设计(论文)的内容和要求
镁基储氢合金作为镍氢电池的负极材料,具有理论储氢量大、成本低廉、环保无污染等优势,但是其在碱性电解液中却存在着易腐蚀,循环性能差等缺点。
针对此问题,我们提出以过渡金属元素对部分镁进行取代,以期提高其循环稳定性。
过渡金属元素钛因具有良好的抗腐蚀性能以及较低的使用成本,被广泛应用于镍氢电池的电极材料中。
2. 参考文献
[1] Liu T, Cao Y, Xin G, et al. Superior hydrogen storage and electrochemical properties of MgxNi100-x/Pd films at room temperature[J]. Dalton transactions, 2013;42:13692-13697. [2] 陈玉安. 镁基储氢合金制备方法的研究进展[J]. 材料导报,2003,17 (10) : 20-23 [3] Rousselot S, Guay D, Roue L. Comparative study on the structure and electrochemical hydriding properties of MgTi, Mg(0.5)Ni(0.5)Ti and MgTi(0.5)Ni(0.5) alloys prepared by high energy ball milling[J]. Journal of Power Sources, 2011;196:1561-1568. [4] Naito K, Matsunami T, Okuno K, et al. Electrochemical characteristics of hydrogen storage alloys modified by electroless nickel coatings[J]. Journal of Applied Electrochemistry, 1994;24:808-813. [5] Liu W H, Wu H Q, Lei Y Q, et al. Reaction kinetics of amorphous Mg50Ni50 hydride electrode[J]. Journal of Alloys and Compounds, 2002;346:244-249. [6] 季世军,孙俊才,许晓磊等.Mg100-xNix合金(x=7~79)合金机械合金化制备研究[J].稀有金属材料与工程,1998,27(5):271-274.. [7] 叶辉,陈立新,雷永泉.含Ni量对机械合金化Mg-Ni系二元贮氢合金结构和电化学性能的影响[J].稀有金属材料与工程,2000,29(3):193-196. [8] Nohara S, Inoue H, Fukumoto Y, et al. Compositional and structural characteristics of MgNi alloy prepared by mechanical alloying for use as negative electrodes in nickel-metal hydride batteries[J]. Journal of Alloys and Compounds, 1997;259:183-185. [9] Sun D L, Lei Y Q, Liu W H, et al. The relation between the discharge capacity and cycling number of mechanically alloyed MgxNi100-x amorphous electrode alloys[J]. Journal of Alloys and Compounds, 1995;231:621-624. [10] Liu W H, Wu H Q, Lei Y Q, et al. Amorphization and electrochemical hydrogen storage properties of mechanically alloyed Mg-Ni[J]. Journal of Alloys and Compounds, 1997;252:234-237. [11] Anik M, Akay I, Oezdemir G, et al. Electrochemical hydrogen storage performance of Mg-Ti-Zr-Ni alloys[J]. International Journal of Hydrogen Energy, 2009;34:9765-9772. [12] Zhang Y, Jiao L, Hao Y, et al. Study on the electrochemical properties of Mg(0.8)Ti(0.1)Al(0.1-x)Pd(x)Ni (x=0.02-0.08) hydrogen storage alloys[J]. International Journal of Hydrogen Energy, 2010;35:7815-7820. [13] 申泮文,张允什,袁华堂.储氢材料新合成方法的研究(II)-置换-扩散发合成Mg2Ni [J] .高等学校化学学报,1985 , 6 (3) : 197-200. [14] Yuan H T, Cao R, Wang L B, et al. Characteristic of a new Mg-Ni hydrogen storage system: Mg2-xNi1-yTixMny (0 lt; x lt; 1, 0 lt; y lt; 1) alloys[J]. Journal of Alloys and Compounds, 2001;322:246-248. [15] 袁华堂,李秋荻等. 新型镁基储氢合金的合成及电化学性能的研究[J]. 高等学校化学学报,2002 (4) : 517-520. [16] Zhang Y, Li C, Cai Y, et al. Highly improved electrochemical hydrogen storage performances of the Nd-Cu-added Mg2Ni-type alloys by melt spinning[J]. Journal of Alloys and Compounds, 2014;584:81-86. [17] Huang L J, Wang Y X, Wu D C, et al. Electrode properties and the dehydrogenation process of amorphous Mg-Ni-La alloys[J]. Journal of Power Sources, 2014;249:35-41. [18] Li L Q, Akiyama T, Yagi J. Effect of hydrogen pressure on the combustion synthesis of Mg2NiH4[J]. Intermetallics, 1999;7:201-205. [19] Akiyama T, Isogai H, Yagi J. Hydriding combustion synthesis for the production of hydrogen storage alloy[J]. Journal of Alloys and Compounds, 1997;252:L1-L4. [20] Li L Q, Akiyama T, Yagi J. Reaction mechanism of hydriding combustion synthesis of Mg2NiH4[J]. Intermetallics, 1999;7:671-677. [21] Li L Q, Akiyama T, Kabutomori T, et al. Hydriding and dehydriding behavior of the product in hydriding combustion synthesis of Mg2NiH4[J]. Journal of Alloys and Compounds, 1999;287:98-103. [22] Li L Q, Akiyama T, Yagi J. Hydrogen storage alloy of Mg2NiH4 hydride produced by hydriding combustion synthesis from powder of mixture metal[J]. Journal of Alloys and Compounds, 2000;308:98-103. [23] Li L Q, Akiyama T, Yagi J. Activation behaviors of Mg2NiH4 at different hydrogen pressures in hydriding combustion synthesis[J]. International Journal of Hydrogen Energy, 2001;26:1035-1040. [24] Li LQ, Saita I, Saito K, et al. Effect of synthesis temperature on the purity of product in hydriding combustion synthesis of Mg2NiH4[J]. Journal of Alloys and Compounds, 2002;345:189-195. [25] Zhu Y, Wang Y, Li L. Electrochemical properties of Mg-based hydrogen storage alloys prepared by hydriding combustion synthesis and subsequent mechanical milling (HCS MM)[J]. International Journal of Hydrogen Energy, 2008;33:2965-2969. [26] Wada M, Yoshinaga H, Kajita O, et al. Production of copper alloy complex granulex granules for nickel metal hydride electrode[J]. Journal of Alloys and Compounds, 1993;192:164-166. [27] Naito K, Matsunami T, Okuno K, et al. Electrochemical characteristics of hydrogen storage alloys modified by electroless nickel coatings[J]. Journal of Applied Electrochemistry, 1994;24:808-813.
3. 毕业设计(论文)进程安排
起讫日期 设计(论文)各阶段工作内容 备 注 2015.12.14~ 2015.12.31 中国期刊网、维普数据库以及Elsevier数据库等数据库查阅国内外相关文献 2016.1.01 ~ 2016.1.15 撰写开题报告及外文文献翻译,开题报告答辩 2016.2.19 ~ 2016.3.19 确定Mg-Ti-Mn-Ni合成工艺,制备出较纯的Mg3Ti(Mn)Ni2合金 2016.3.20 ~ 2016.4.20 中期检查与答辩 学术调整周 2016.4.21~ 2016.5.7 Mg-Ti-Mn-Ni合金电极的电化学性能测试 五一放假 2016.5.8~ 2016.5.31 撰写毕业论文 2016.6.01~ 2016.6.14 完成毕业论文及答辩 2016.6.15~ 2016.7.8 总结、归档