THE ABSORPTION OF HYDROGEN AND DEUTERIUM IN THIN PALLADIUM ELECTRODES .1. ACIDIC SOLUTIONS

被引：132

作者：

CZERWINSKI, A ^{[1
]}

MARASSI, R ^{[1
]}

ZAMPONI, S ^{[1
]}

机构：

[1] UNIV CAMERINO, DIPARTIMENTO SCI CHIM, I-62032 CAMERINO, ITALY

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1991年 / 316卷 / 1-2期

关键词：

D O I：

10.1016/0022-0728(91)87047-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A comparative study of hydrogen and deuterium sorption in acidic solutions (0.5 M H2SO4 and D2SO4), using electrodes obtained by electrochemical deposition of a thin layer of palladium on gold, has been performed. Additional results have been obtained with electrodes in which the thin palladium film was deposited on an inert substrate of RVC (Reticulated Vitreous Carbon). The amount of absorbed hydrogen or deuterium has been found to depend on the electrode potential. The maximum H(D)/Pd ratios, at potentials slightly positive of the gas evolution, were 0.73 for hydrogen and 0.70 for deuterium, respectively. The isotopic effect for alpha-phase formation appears to be greater than that for the alpha --> beta transition.

引用

页码：211 / 221

页数：11

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