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1964•Journal of The Electrochemical SocietyOpen access

The Electrochemical Oxidation of Formic Acid on Platinum

C. W. Fleischmann, G. K. Johnson, A. T. Kuhn

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Abstract

The anodic oxidation of formic acid has been investigated on platinum black electrodes in 5 N sulfuric acid. The data presented pertain to the activation controlled process under approximately steady state conditions at four temperatures between 25° and 90 °C. Tafel plots appear to have significant slopes, and the correlation of these slopes with experimentally measured electrode coverages supports the hypothesis of two distinct electrochemical oxidation mechanisms, advanced by other workers.

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The anodic oxidation of formic acid has been investigated on platinum black electrodes in 5 N sulfuric acid. The data presented pertain to the activation controlled process under approximately steady state conditions at four temperatures between 25° and 90 °C. Tafel plots appear to have significant slopes, and the correlation of these slopes with experimentally measured electrode coverages supports the hypothesis of two distinct electrochemical oxidation mechanisms, advanced by other workers.

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Available abstract

The anodic oxidation of formic acid has been investigated on platinum black electrodes in 5 N sulfuric acid. The data presented pertain to the activation controlled process under approximately steady state conditions at four temperatures between 25° and 90 °C. Tafel plots appear to have significant slopes, and the correlation of these slopes with experimentally measured electrode coverages supports the hypothesis of two distinct electrochemical oxidation mechanisms, advanced by other workers.

Key concepts: Tafel equation, Platinum, Formic acid, Sulfuric acid, Electrochemistry, Platinum black, Inorganic chemistry, Electrode

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