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INFLUENCE OF THE SUPPORTING ELECTROLYTE ON THE OXYGEN REDUCTION REACTION AT THE PLATINUM PROTON-EXCHANGE MEMBRANE INTERFACE

被引：51
作者：
FLORIANO, JB
TICIANELLI, EA
GONZALEZ, ER
机构：
[1] Instituto de Física e Química de São Carlos, USP, 13560-900 São Carlos, SP
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1994年 / 367卷 / 1-2期
关键词：
D O I：
10.1016/0022-0728(93)03007-C
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this work the oxygen reduction reaction and the transport of the reactant through the membrane were investigated at Pt/proton exchange membrane interfaces immersed in H2SO4 + H3PO4 mixtures using cyclic voltammetry, rotating-disk electrode techniques and potential-step chronoamperometry. Studies were carried out as a function of the electrolyte concentration and film thickness. A theoretical treatment for the interpretation of the chronoamperometric results of oxygen reduction on film electrodes is developed.
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页码：157 / 164
页数：8
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