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借助于自制的开口式H型玻璃三电极测试体系, 并在大量的前期实验工作基础上, 研究了新型稀土镁基AB3型贮氢电极合金的性能以及添加Al的作用. 发现用适量Al替代Ni可降低稀土镁基AB3型合金La0.7Mg0.3(Ni0.85Co0.15)3.5的氢化反应焓变和气态放氢平台压力, 使合金氢化物变得更稳定;同时, 使合金电化学循环100周期的容量保持率从63.8%提高到90.6%, 有效解决了合金放电容量迅速衰减的难题;但Al的添加也降低了合金的最大放电容量、倍率放电性能和活化性能.

参考文献

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