通过 X射线衍射谱 (XRD)、扫描电镜 (SEM)、 X射线能谱 (EDS)、气态吸放氢行为 (PCT曲线 )、 电化学充放电性能、电化学阻抗谱 (EIS)以及线性极化曲线 , 研究了 Ni添加对 Ti0.39V0.29Mn0.12Cr0.2储氢合金电化学性能的影响.结果表明 :Ti0.39V0.29Mn0.12Cr0.2的电化学活性很差,在碱液中几乎不 能放电,添加 Ni之后得到明显改善.随着 Ni含量的增加, Ti0.39V0.29Mn0.12Cr0.2NiX( x=0～ 0.2)合金 电极的放电容量先增大后减小,在 x=0.1时达到最大值 273mAh/g.
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