用电化学方法研究了-40℃条件下Co含量对AB5型贮氢合金的放电容量、氢化物分解的稳定性及氢在贮氢合金中的扩散系数等的影响.结果表明:随Co含量的增大,晶胞体积增大,氢化物分解的焓变增大,低温放电容量减小.氢扩散是影响贮氢合金的低温放电性能的重要因素.
参考文献
[1] | 蒋炳玉,张忠伦,杨天华.多元稀土贮氢合金的制备[J].稀有金属材料与工程,1994(06):8-12. |
[2] | Nelson R F .Power Requirements for Batteries in Hydrid Eletric Vehicles[J].Journal of Power Sources,2000,91:2. |
[3] | Erbacher K .An Environmental Aircraft Battery (EAB)[J].Journal of Power Sources,1999,80:265. |
[4] | Ye H;Li Z L;Wu Z.Proceedings of the 3rd Chinese Hydeogen Energy Symposium[C].Hangzhou,2001:127. |
[5] | 周志刚;冯颖 .Effect of Co Content on Electrochemical Properties of LaNi5 Type Hydrogen-Storage Alloy[J].电源,1997,21:153-155,177. |
[6] | 李树棠.X射线晶体学基础[M].Bejing:Metallurgical Industry Press,1990:5. |
[7] | Iwakura C;Asaoka T .[J].NIPPON KAGAKU KAISHI,1988,8:1482. |
[8] | Iwakura C;Oura T;Inoue H et al.[J].Journal of Electroanalytical Chemistry,1995,37:398. |
[9] | 原鲜霞,徐乃欣.稀土系AB5型贮氢合金电极中氢扩散行为的电化学研究[J].稀有金属材料与工程,2003(01):27-31. |
[10] | Zheng G;Popov B N;White R E .[J].Journal of the Electrochemical Society,1995,142:269. |
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