The relationship of logarithm of exchange current density and rest capacity of electrodes is linear when the rest capacity is relatively low.

当氢化物电极中贮氢容量较小时，电极反应的交换电流密度与电极中贮氢容量存在对数值的线性关系。

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By directly measuring the exchange current density, the effect of surface copper coating of metal negative electrodes on electrocatalytic activity were investigated.

摘要通过测量表面覆铜的贮氢合金电极的交换电流密度，初步讨论了覆铜层对贮氢合金的电催化活性的影响。

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The results show that the exchange electrical current density augment with the increase of platinum content of the compound electrode in a certain content range.

实验结果表明，在一定范围内，随着铂炭复合电极中铂含量的增加，其交换电流密度也随之增大。

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