| La部分取代Ml混合稀土贮氢合金的电化学性能 |
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| 引用本文： | 赵东江,马松艳. La部分取代Ml混合稀土贮氢合金的电化学性能[J]. 实验技术与管理, 2007, 24(1) |
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| 作者姓名： | 赵东江 马松艳 |
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| 作者单位： | 绥化学院,化学系,黑龙江,绥化,152061 |
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| 基金项目： | 黑龙江省教育厅科学技术研究项目 |
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| 摘 要： | 金属La部分取代M l(混合稀土)的贮氢合金电极M l0.8La0.2N i4.0Mn0.4Co0.4A l0.1(A)容易活化,其充电效率、放电容量、快速放电能力以及荷电保持能力比电极M lN i4.0Mn0.4Co0.4A l0.1(B)分别提高5.5%、7.0%、4.0%和8.2%。电极A放电过电位比电极增大,且循环稳定性下降。
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| 关 键 词： | 贮氢合金 电化学 性能 混合稀土 |
Electrochemical properties of mischmetal hydrogen storage alloy of la partly replacing Ml |
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| ZHAO Dong-jiang,MA Song-yan. Electrochemical properties of mischmetal hydrogen storage alloy of la partly replacing Ml[J]. Experimental Technology and Management, 2007, 24(1) |
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| Authors: | ZHAO Dong-jiang MA Song-yan |
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| Abstract: | Hydrogen storage alloy electrode Ml_(0.8) La_(0.2)Ni_(4.0)Mn_(0.4)Co_(0.4)Al_(0.1)(A)(Ml is mischmetal)_()of La partly replacing Ml is easily activated.The charge efficiency,discharge capacity,fast discharge ability and charge retention ability of electrode A is accordingly increased 5.5%,7.0%,4.0% and 8.2% than MlNi_(4.0)Mn_(0.4)Co_(0.4)Al_(0.1)(B) electrode.However,the discharge overpotential and cyclic stability of the electrode A is worse than electrode B. |
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| Keywords: | hydrogen storage alloy electrochemistry performance mischmetal |
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