研究了Cu含量对MINi3.9-xCoo.4 Al0.2 Mno.6Cux贮氢合金的电化学性能的影响.实验发现:随着Cu含量x从0增加至0.3,合金的活化性能仍保持在2~3次;但合金的最大放电容量从344mAh/g下降到310mAh/g;高倍率放电性能均在81%以上;合金的循环寿命随着Cu含量的增加而有所提高的.实验表明,合金中加入适量的Cu,可有效的改善舍金的循环寿命.
参考文献
[1] | Cocciantelli J M;Bernard P;Fernandez S et al.[J].Journal of Alloys and Compounds,1997,253-254:642-647. |
[2] | Yashda K .[J].Journal of Alloys and Compounds,1997,253-254:621-625. |
[3] | Hu WK.;Jang KJ.;Lee JY.;Kim DM. .Studies on Co-free rare-earth-based hydrogen storage alloys[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1998(1/2):254-258. |
[4] | Tang Weizhong;Gai Yingxin et al.[J].Journal of Alloys and Compounds,1995,224:292-298. |
[5] | 李平 .快淬低钴AB<,5>型和快淬钛基AB<,2>型储氢合金的研究[D].钢铁研究总院,2002. |
[6] | 李全安,陈云贵,涂铭旌,桑革,韩满贵,李宁,唐定骧.高性能贮氢合金电极的成分设计[J].电源技术,2000(04):246-250. |
[7] | 沉剑韵;任洪岩;文振怀 .[J].电源技术,1995,19(04):9-11. |
[8] | 岩倉千秋.[J].日本化學蘼志,1998(08):1482-1488. |
[9] | 周煜;雷永泉;罗永春 .气体雾化贮氢电极合金Ml(Ni,Co,Mn,Al)5的活化性能[J].金属学报,1996,32(08):857-860. |
[10] | Iwakura C;Oura T et al.[J].Journal of Electroanalytical Chemistry,1995,398:37. |
[11] | Nottern P H L .[J].Journal of the Electrochemical Society,1991,188(07):1877-1885. |
[12] | Wang X H;Wang X H;Lei Y Q et al.[J].Electrochimica Acta,1998,43:2043. |
[13] | Wang C S;Wang X H;Lei Y Q et al.[J].Journal of Hydrogen Energy,1997,22:1117. |
[14] | 李传健 .快淬AB6型贮氢合金研究[D].北京:钢铁研究总院,1998. |
[15] | Sakai T;Miyamura H et al.[J].Journal of the Less-Common Metals,1990,159:127. |
[16] | Tang Weizhong;Sun Guangfei .[J].Journal of Alloys and Compounds,1994,203:195-198. |
[17] | LI Yang;Cheng Yang-tse .[J].Journal of Alloys and Compounds,1995,223:6-12. |
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%