The results revealed that under the same conditions, hydrogen evolution potential and voltage gradient were affected by the electrode materials and the electrode spacing.

实验结果表明，在相同条件下，氢的析出电压和电压梯度受电极材料和电极间距的影响。

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The research progress in lowering the hydrogen generating energy consumption of alkaline water electrolysis by decrea-(sing) the anodic over potential for oxygen evolution was reviewed.

综述了通过降低阳极析氧过电位来减少碱性水电解制氢能耗的研究进展。

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