表面处理作为储氢合金性能改善的有效手段,得到了广泛的重视与发展.介绍了镁系储氢合金表面处理的几种主要方法,包括化学镀,机械合金化,氟化处理等.分别阐述了各种方法对改善镁系合金表面性能的作用机理及对合金电极的电化学性能的影响.处理后的结果表明:三种方法均可明显地提高镁合金电极的循环寿命和充放电容量,使其性能得到最大程度的发挥.最后针对各方法的优缺点,认为氟化处理将是镁系储氢合金研究的重点和方向.
参考文献
[1] | 叶德龙,闫康平,王金国,陶明大.Ni-MH电池负极材料贮氢合金的表面处理[J].表面技术,2000(04):21-26. |
[2] | Sun Dalin;Lei Yongquan;Liu Weihong et al.The relation between the discharge capacity and cycling number of mechanically alloyed MgxNi100-x amorphons electrode alloys[J].Journal of Alloys and Compounds,1995,231:621. |
[3] | Nohara S.;Zhang SG.;Inoue H.;Iwakura C.;Fujita N. .Electrochemical characteristics of a homogeneous amorphous alloy prepared by ball-milling Mg2Ni with Ni[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(1/2):76-78. |
[4] | Liu Weihong;Wu Haoqing;Lei Yongquan et al.Amorphization and electrochemical hydrogen storage properties of mechanically alloyed Mg-Ni[J].Journal of Alloys and Compounds,1997,252:234. |
[5] | 汪根时;袁华堂 .镁基储氢合金粉末的微包覆方法[J].功能材料与器件学报,1998,4(01):1-6. |
[6] | Luo JL.;Cui N. .Effects of microencapsulation on the electrode behavior of Mg2Ni-based hydrogen storage alloy in alkaline solution[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(1/2):299-305. |
[7] | Cui N;Zhao H J .Effects of yttrium assitons on the electrode performance of magnesium-based hydrogen storage alloys[J].Journal of Alloys and Compounds,1996,232:218-223. |
[8] | 王仲民,朱敏,彭成红,车晓舟,杨永强.Mg2Ni型合金与AB5型稀土储氢合金纳米复合对电极性能的影响[J].中国有色金属学报,2002(02):300-304. |
[9] | WangCY;YaoP;BradhurstDH;etal .Protective coatings on magnesium and its alloys[J].Journal of Alloys and Compounds,1999,285:267. |
[10] | Saka moto Y .Electrochemical hydrogen discharge characteristics of Pd and Pd/Pt black coating[J].Journal of Applied Electrochemistry,1994,24:38-43. |
[11] | Chen Y;Williams J S .Formation of metal hydride by mechanical alloying[J].Journal of Alloys and Compounds,1995,217:181-184. |
[12] | Liu Weihong;Wu haoqing;Lei Yongquan et al.Effect of substitution of other elements for nickel mechanically alloyed Mg50 Ni5o amorphoes alloys for nickel metal hydrogen batteries[J].Journal of Alloys and Compounds,1997,261:289. |
[13] | 张耀,李寿权,应窕,雷永泉,王启东.球磨表面包覆对镁基贮氢合金电化学性能的影响[J].中国有色金属学报,2001(04):582-586. |
[14] | Cui N;Luan B .Synthesis and electrode characteristics of the new composite alloys Mg2Ni-%Ti2Ni[J].Journal of Alloys and Compounds,1996,240:229-234. |
[15] | Lenain C;Dupont L;Tarascon JM;Aymard L .A New Mg sub 0.9 Y sub 0.1 Ni hydride forming composition obtained by mechanical grinding[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1999(1/2):84-89. |
[16] | 王权,吕会忠,季世军,孙俊才.Al,Mn对Mg2Ni型贮氢合金相形成及电化学性能的影响[J].金属功能材料,2003(03):13-16. |
[17] | 徐益军,唐有根,曹泽华,杨幼平,卢凌彬.Mg1.7M0.3(M=Mg,Ti,Al)Ni贮氢合金结构及性能研究[J].金属功能材料,2003(02):9-12. |
[18] | Liu F J;Suda S .Hydriding Behavior ofF-treated Mg2Ni at Moderate Conditions[J].Journal of Alloys and Compounds,1996,232:211-217. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%