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分析了LaNi_5二元合金在可逆充放电中循环寿命低的原因,总结了有关提高AB_5型贮氢合金电极材料循环寿命的方法,其中包括对LaNi_5系、M_LNi_5系、M_mNi_5系和M_mB_x系的多元合金化和微包覆化、细晶化、密结化、酸碱处理、薄膜化等一系列电极材料处理途径。
The reasons for the low cycle life of LaNi_5 binary alloys in reversible charging and discharging were analyzed and the methods for improving the cycle life of AB_5 type hydrogen storage alloy electrode materials were summarized. The methods for improving the cycle life of La_Ni_5 binary alloys including LaNi_5, M_LNi_5, M_mNi_5 and M_mB_x And micro-coating, fine-grained, dense, acid-base treatment, thinning and a series of electrode material processing approach.