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本文参照文献[1] 报导的利用扩散阻抗过渡区求金属氢化物电极中氢扩散系数的方法测定了MlNi3.75Co0 .6 5Mn0 .4 Al0 .2 电极中氢的扩散系数 .结果发现 :运算过程中由于所用到的一些函数具有周期性 ,使计算结果变为多解 ,而且这些解之间存在着数量级上的差别 ;对同一组实验数据 ,过渡区内依据不同频率点求得的扩散系数也很不同 .总之 ,该方法尚不成熟 ,有待于进一步完善
In this paper, the diffusion coefficient of hydrogen in the MlNi3.75Co0.65Mn0.4Al0.2 electrode was measured by the method of literature [1] using the diffusion impedance transition region to find the hydrogen diffusion coefficient in the metal hydride electrode. The results show that during the operation Due to the periodicity of some of the functions used, the calculation results become more solutions, and there is an order of magnitude difference between these solutions. For the same set of experimental data, the diffusion coefficient obtained from different frequency points in the transition region is also very large In short, this method is not yet mature and needs to be further improved