| LaCo13基金属间化合物的磁性能和储氢性能 |
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| 引用本文： | 李蓉,黄巍,吴建民,周少雄. LaCo13基金属间化合物的磁性能和储氢性能[J]. 中国稀土学报, 2007, 25(5): 513-521 |
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| 作者姓名： | 李蓉 黄巍 吴建民 周少雄 |
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| 作者单位： | 1. 钢铁研究总院功能材料所,北京,100081
2. 安泰科技股份有限公司,北京,100081 |
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| 基金项目： | 国家自然科学基金资助项目（50371018） |
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| 摘 要： | 对LaCo13基金属间化合物在磁致冷材料和储氢材料领域中的应用进行了综述,总结了该系化合物的成相规律、替换元素对相稳定性的影响,讨论了近期的研究进展及存在的问题。作为磁致冷材料应用时,LaCo13基金属间化合物在室温具有巨大磁熵变,而作为储氢合金时该系化合物表现出优异的高温电化学容量。虽然在磁致冷和储氢材料领域尚未对LaCo13基金属间化合物进行实用开发,但作为新型绿色能源材料已经展示出良好的应用前景。
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| 关 键 词： | LaCo13基金属间化合物 磁性能 储氢性能 相结构 稀土 |
| 文章编号： | 1000-4343（2007）05-0513-09 |
| 修稿时间： | 2007-03-01 |
Magnetic and Hydrogen Storage Properties for LaCo13-based Intermetallic Compounds |
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| Li Rong,Huang Wei,Wu Jianmin,Zhou Shaoxiong. Magnetic and Hydrogen Storage Properties for LaCo13-based Intermetallic Compounds[J]. Journal of the Chinese Society of Rare Earths, 2007, 25(5): 513-521 |
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| Authors: | Li Rong Huang Wei Wu Jianmin Zhou Shaoxiong |
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| Abstract: | The application of LaCo13-based intermetallic compounds as magnetic refrigeration and hydrogen storage materials was reviewed.Phase forming rules and the influence of substituted elements on phase stability for LaCo13-based intermetallic compounds were included.The latest research progress and disadvantages of LaCo13-based intermetallic compounds were discussed.The typical characteristics of LaCo13-based intermetallic compounds have large magnetic entropy change at ambient temperature as magnetic refrigeration material and good high temperature electrochemical capacity as hydrogen storage alloys.LaCo13-based intermetallic compounds are novel green energy materials with good outlook,although they are still not used practically. |
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| Keywords: | LaCo13-based intermetallic compounds magnetic performance hydrogen storage performance phase structure rare earths |
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