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电化学  2001 

恒电位阶跃法研究贮氢合金MlNi_(3.75)Co_(0.65)Mn_(0.4)Al_(0.2)中氢的扩散行为

, PP. 445-451

Keywords: 贮氢合金,氢的扩散系数,恒电位阶跃法

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Abstract:

本文用恒电位阶跃法研究了不同放电深度(DOD)和不同温度下贮氢合金MlNi3.75Co0.65Mn0.4Al0.2中氢的扩散行为.结果表明:室温下该合金中氢的扩散系数随DOD的增大而增大,在50%DOD的该合金中,氢的扩散系数随温度的升高而增大,扩散活化能为19.87kJ/mol

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