Work

Logistic Modeling of Copper Oxidation in Alkaline Media Considering Solubility Gaps between the Solid Oxidation Products

Year: 2025

Type: article

Abstract: High Resolution Image Download MS PowerPoint Slide A theoretical model is proposed to describe the essential features appearing in the voltammetry of copper electrodes in contact with aqueous alkaline media. The model is based on the introduction of miscibility gaps into a logistic formulation of the charge/potential relationship. This is directly inspired by ion-insertion electrochemistry and emphasizes the OH – -assisted nature of the involved oxidation processes. The model accounts for miscibility limits and refinements, accounting for deviations from reversibility, diffusive constraints, and nucleation rate effects can be added. Linear potential scan voltammetric parameters, in particular the large potential hiatus existing between anodic and cathodic peaks, can be satisfactorily reproduced with this model.

Source: The Journal of Physical Chemistry C

DOI: 10.1021/acs.jpcc.5c07223

Authors: Antonio Doménech-Carbó, Ana Martínez Ibernón, José Vicente Gimeno-Adelantado

Institutions: Universitat de València, Universitat Politècnica de València

Language: English

Topic: Electrocatalysts for Energy Conversion

Subfield: Renewable Energy, Sustainability and the Environment

Field: Energy

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $4,500

Funder: Ministerio de Ciencia, Innovación y Universidades