Erratum: “Theory of Faradaic Distortion” [J. Electrochem. Soc., 107, 768 (September 1960)]

Oldham, Keith B.

doi:10.1149/1.2427580

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…The starting potential typically corresponds to a condition of zero current. It is convenient to classify a step to the final potential as either a “potential perturbation” or a “potential leap.” The former constitutes relatively small amplitude steps to potentials less than those required to produce a transport-limited current under steady-state conditions. The latter corresponds to a large amplitude jump to a final potential corresponding to a steady-state transport-limited current.…”

Section: Introductionmentioning

confidence: 99%

Potential Step Chronoamperometry at Microdisc Electrodes: Effect of Finite Electrode Kinetics

2009

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Potential step chronoamperometry at microdisc electrodes is studied for a simple one electron reduction (A + eh B). Simulations are used to explore quantitatively the effect of electrode kinetics on the current-time transients resulting from such measurements. The use of these transients to extract kinetic parameters, within the Butler-Volmer formulation, is discussed, and the procedure illustrated using the one electron electroreduction of oxygen in n-hexyltriethylammonium bis(trifluoromethanesulfonyl)imide ([N 6,2,2,2 ][NTf 2 ]) as a model experimental system.

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Section: Introductionmentioning

confidence: 99%

Potential Step Chronoamperometry at Microdisc Electrodes: Effect of Finite Electrode Kinetics

2009

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“…This expression is obtained through the linearization of the Butler-Volmer equation for a small overpotentiaI. 2 5 In the derivation of the expressions for this equivalent circuit, small ac signal conditions are assumed to be met, so that non-linear behaviour, such as Faraday distortion 26 and rectification,27 is avoided.…”

Section: Z Fsl 3zfsdmentioning

confidence: 99%

Use of electrochemical methods to determine chemical-diffusion coefficients in alloys: application to ‘LiAI’

Chen¹,

Ho²,

Boukamp³

et al. 1981

International Metals Reviews

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The use of electrochemical techniques to measure chemical-diffusion coefficients in solid alloys is reviewed. The theoretical basis and experimental aspects of four different approaches are discussed in detail: the potentiostatic, galvanostatic, potentiometric, and steady- state ac methods. As an example, all four of these techniques have been employed to determine the chemical-diffusion coefficient in the vario- stoichiometric intermetallic phase ‘LiAl’ as a function of composition. It is shown that experiments are relatively simple and rapid, and that the results obtained by the different methods are in good agreement. On the lithium-deficit side of the ideal stoichiometry in this phase, the chemical-diffusion coefficient increases rapidly with decreasing lithium concentration, reaching 10-4 cm2s-1 at 415°C near the aluminium-rich phase boundary. On the other hand, the chemical-diffusion coefficient is essentially independent of composition on the lithium-rich side of LiAI, having a mean value of 2. 4 × 10-6 cm2s-1

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Erratum: “Theory of Faradaic Distortion” [J. Electrochem. Soc., 107, 768 (September 1960)]

Abstract: not Available.

Cited by 2 publications

References 2 publications

Potential Step Chronoamperometry at Microdisc Electrodes: Effect of Finite Electrode Kinetics

Potential Step Chronoamperometry at Microdisc Electrodes: Effect of Finite Electrode Kinetics

Use of electrochemical methods to determine chemical-diffusion coefficients in alloys: application to ‘LiAI’

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