镁基储氢舍金是一种很有发展前景的储氢合金材料,但在碱性电解液中极易腐蚀,循环性能较差,这限制了它的实际应用.因此,采用不同方法对其循环寿命进行改善成为近年来的一个研究热点.分析了镁基储氢合金循环寿命衰退的原因,针对目前改善其循环性能的主要方法如添加合金元素、控制粒径大小、进行退火处理、制成复合材料、进行表面包覆、控制电荷输入和使用缓蚀剂等进行综述和分析,并强调在研究其循环寿命的同时应将放电容量、吸放氢动力学等因素进行综合考虑,最后指出了今后研究镁基储氢合金循环寿命的重点.
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