贮氢合金的表面性质对于它的电化学应用十分重要.AB5病型贮氢合金虽然具有活化性能好,容量在260mA·h/g～320mA·h/g是目前生产MH-Ni电池负极的主干材料.但是AB5,型贮氢合金在反复充放电过程中抗氧化和抗粉化的能力很差,导致放电容量的迅速降低.综述和比较了近年来对AB5,型贮氢合金表面处理的研究情况,分析了表面与电极性能的关系.
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