Mechanistic Analysis of Hydrogen Evolution Reaction on Pt in HClO4Using Inverted Rotating Disc Electrode

被引：5

作者：

Saibi, R. ^{[1
]}

Punathil Meethal, Ranjith ^{[1
]}

Srinivasan, Ramanathan ^{[1
]}

机构：

[1] Indian Inst Technol Madras, Dept Chem Engn, Chennai 600036, Tamil Nadu, India

来源：

ELECTROANALYSIS | 2020年 / 32卷 / 11期

关键词：

Inverted Rotating Disc Electrode; Hydrogen Evolution Reaction; Platinum Electrode; Volmer Heyrovsky Mechanism; CELL DESIGN; KINETIC-PARAMETERS; REACTION ORDER; PLATINUM; ADSORPTION; DEPOSITION; OXIDATION; COVERAGE; BEHAVIOR; METALS;

D O I：

10.1002/elan.202060032

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An inverted rotating disc electrode (IRDE) setup was fabricated to study the hydrogen evolution reaction (HER) on a Pt electrode. Potentiodynamic polarization studies were conducted in solutions from 5 to 100 mM HClO(4)on Pt at three different rotational speeds. Periodic anodic activation of the electrode yielded repeatable results. At high currents, bubble formation adversely affects current measurement in the rotating disc electrode, but not in IRDE. At large cathodic overpotentials, HER current in IRDE is limited by the mass transfer of H(+)ions. Simulations show that the polarization results of HER on Pt IRDE are described well by the Volmer Heyrovsky mechanism.

引用

页码：2545 / 2554

页数：10

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