Activation of the zirconium-alloy electrodes of nickel-metal hydride accumulator and determination of their hydrogen storage capacity

被引：0
|
作者：
Yu. M. Solonin
V. A. Lavrenko
O. Z. Galii
机构：
[1] National Academy of Sciences of Ukraine,Institute for Problems of Materials Science
来源：
Powder Metallurgy and Metal Ceramics | 2008年 / 47卷
关键词：
polarization curves; hydrogenation; dehydrogenation; potentiodynamic cycling; activation of electrodes; hydrogen storage capacity;
D O I：
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学科分类号：
摘要：
Potentiodynamic cycling is proposed to select conditions for the activation of zirconium-alloy electrodes of a nickel-hydride accumulator. The electrochemical characteristics of the electrodes are studied. It is shown that the full charge and discharge capacities are impossible in hydrogenation-dehydrogenation conditions that do not correspond to the polarization curves. The maximum discharge capacity under the same conditions is achieved for an electrode of 0.5 g while incomplete discharge capacity is observed for a sample of 0.1 g.
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页码：472 / 476
页数：4
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