Model for Hydrogen Evolution Reaction in Aqueous Solutions Containing Dissolved CO2 in High Pressures

被引：2

作者：

de Sousa, Flavio V. V. ^{[1
]}

Leite, Nathalia A. ^{[1
,2
]}

Tribollet, Bernard ^{[3
]}

Barcia, Oswaldo E. ^{[1
,4
]}

Mattos, Oscar R. ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Lab Nondestruct Testing Corros & Welding, BR-21941596 Rio De Janeiro, Brazil

[2] Fed Inst Educ Sci & Technol Rio de Janeiro, BR-25050100 Duque De Caxias, Brazil

[3] UMR 8235 UPMC CNRS, LISE, CP 133, F-75252 Paris 05, France

[4] Univ Fed Rio de Janeiro, Phys Chem Dept, IQ, BR-21941909 Rio De Janeiro, Brazil

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2019年 / 166卷 / 14期

关键词：

CARBON-DIOXIDE CORROSION; MILD-STEEL; MECHANISTIC MODEL; FILMS;

D O I：

10.1149/2.0421914jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Hydrogen evolution reaction (HER), occurring on platinum rotating disc electrode (RDE) in aqueous solutions containing dissolved CO2 in different pressures was investigated. This system was modeled by taking into account the two dissociation reactions of CO2 and using a numeric finite difference method (FDM). Moreover, in the high potential range where the current plateau starts to increase, a new reaction (water reduction) was proposed. A satisfactory agreement between the experimental data and the model was obtained. The model-building article did not take into account any additional cathodic reactions attributed to CO2. (C) 2019 The Electrochemical Society.

引用

页码：C479 / C484

页数：6

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