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What is chronoamperometry and chronocoulometry?

Reference electrode

Molecular diffusion

Working electrode

Diffusion current

Auxiliary electrode

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Chronoamperometry and chronocoulometry are electrochemical techniques used to study the behavior of a system in response to a potential pulse. In chronoamperometry, a potential pulse is applied to the system, and the resulting current is measured over time. This technique can be used to study reaction kinetics, diffusion coefficients, and concentration changes in the system . Chronocoulometry, on the other hand, measures the cumulative charge passing through the system as a function of time when a potential pulse is applied. It provides information about the electrochemical events occurring at the working electrode, such as oxidation or reduction reactions . Both techniques are useful for understanding the behavior of electrochemical systems and can be used to determine kinetic parameters and diffusion coefficients .

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Journal Article•DOI Electron-transfer coupling of diffusional pathways: Theory for potential step chronoamperometry and chronocoulometry Claude P. Andrieux, Philippe Hapiot, Jean-Michel Savéant - Show less +2 more 24 Aug 1984-Journal of Electroanalytical Chemistry 48 Citations	Chronoamperometry and chronocoulometry are techniques used to measure the current or charge as a function of time during an electrochemical reaction.
Book Chapter•DOI Chapter 12 – Chronocoulometry James F. Rusling 01 Jan 1996	Chronoamperometry and chronocoulometry are electrochemical techniques that measure current and charge, respectively, as a function of time.
Journal Article•DOI A simple computer-based method for calculation of kinetic parameters from chronoamperometric and chronocoulometric data José Miguel Rodríguez Mellado 10 Sep 1986-Journal of Electroanalytical Chemistry 6 Citations	Chronoamperometry and chronocoulometry are experimental techniques used to study the kinetics of electrochemical reactions by measuring the current or charge as a function of time.
Journal Article•DOI Chronoamperometry Using Integrated Potentiostat Consisting of Poly-Si Thin-Film Transistors M. Kimura, K Bundo, Y Imuro, Y Sagawa, K Setsu - Show less +4 more 01 Feb 2011-IEEE Electron Device Letters 8 Citations	Chronoamperometry is a technique used to measure current as a function of time, while chronocoulometry measures charge as a function of time.

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