采用放电等离子烧结技术(SPS)制备La-Mg-Ni储氢合金,以La0.7Mg0.3Ni2.5Co0.5合金为例,探究最佳的工艺制度.结果表明:当烧结温度为800℃时,合金为多相结构,包括(La,Mg)Ni3相、(La,Mg)2Ni7相、Mg2Ni相和微量的Co2Mg相;在该温度下,合金的最大放电容量达到最大值359 mAh/g,同时表现出最好的放电平台特性.
参考文献
| [1] | Sakai T;Ishikawa H;Uehara I .R and D on metal hydride materials and Ni-MH batteries in Japan[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1999(0):762-769. |
| [2] | 李景虹.先进电池材料[M].北京:化学工业出版社,2004:120. |
| [3] | Kadir K et al.[J].Journal of Alloys and Compounds,1997,257:115. |
| [4] | Kohno T et al.[J].Journal of Alloys and Compounds,2000,311:L5. |
| [5] | Zhang Yanghuan et al.[J].Journal of Alloys and Compounds,2006,417(1-2):224. |
| [6] | 宋月清,周增林,崔舜.铝在新型稀土镁基AB3型贮氢电极合金中的作用研究[J].稀有金属,2006(01):114-117. |
| [7] | 廖彬,雷永泉,吕光烈,陈立新,葛红卫,潘洪革.La-Mg-Ni系AB3型贮氢电极合金的相结构与电化学性能[J].金属学报,2005(01):41-48. |
| [8] | Anderson K R;Groza J R;Fendorf M et al.[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1999,270:278. |
| [9] | Omori .[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2000,287:183. |
| [10] | 杨俊逸,李小强,郭亮,陈维平,李元元.放电等离子烧结（SPS）技术与新材料研究[J].材料导报,2006(06):94-97. |
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