缺陷对混合稀土贮氢合金性能的影响

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贮氢合金是一种重要的功能材料.在多种贮氢合金中,AB5型稀土系贮氢合金的应用最为广泛.本文用正电子湮没技术(PAT)对AB5型混合稀土贮氢合金的缺陷进行了研究,并结合X射线衍射(XRD)测试、循环伏安(CV)测试以及合金容量的测定,对合金的结构及性能进行了研究.结果表明,合金微观缺陷的存在能大幅度提高合金的性能.
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