What question did this study set out to answer?

To synthesize B-site cobalt- and iron-doped La0.5Ca0.5CoxFe1-xO3 perovskites via a solution combustion route and evaluate their electrocatalytic activity for the oxygen evolution reaction.

June 28, 2025ChemistrySelectOpen Access

Cobalt and Iron Double Doped B‐Site Perovskite La 0.5 Ca 0.5 Co X Fe 1−X O 3 : Synthesis Strategy to Make High‐Performance Oxygen Evolution Reaction Catalysts

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Authors

JAJ. A.TETomlal Jose E JTJasmine Thomas

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Overview

Experimental study demonstrates enhanced oxygen evolution catalysis in cobalt-iron perovskites, suggesting scalable designs for clean energy conversion.

Key Points

To synthesize B-site cobalt- and iron-doped La0.5Ca0.5CoxFe1-xO3 perovskites via a solution combustion route and evaluate their electrocatalytic activity for the oxygen evolution reaction.
Synthesized La0.5Ca0.5CoxFe1-xO3 (x = 0, 0.2, 0.4, 0.6, 0.8, 1) perovskite oxides using a sustainable solution combustion method.
Characterized structural properties and thermal stability up to 1000 °C using PXRD, FTIR, FESEM, HRTEM, and XPS.
Assessed electrocatalytic performance through cyclic voltammetry, linear sweep voltammetry, electrochemical impedance spectroscopy, and Tafel slope analysis.
La0.5Ca0.5Co0.4Fe0.6O3 showed the highest electrocatalytic performance among tested ratios, yielding a Tafel slope of 70.32 mV/dec.
Achieved an overpotential of 364 mV at a current density of 10 mA/cm2 for the optimized La0.5Ca0.5Co0.4Fe0.6O3 catalyst.
Enhanced electrocatalytic performance resulted from increased active surface area, reduced charge transfer resistance, and a stable porous spherical morphology.

Cite This Study

A. et al. (2025) studied this question.

synapsesocial.com/papers/6a6f5ff078a11c550e09125a https://doi.org/10.1002/slct.202503095

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June 28, 2025ChemistrySelectOpen Access

Cobalt and Iron Double Doped B‐Site Perovskite La 0.5 Ca 0.5 Co X Fe 1−X O 3 : Synthesis Strategy to Make High‐Performance Oxygen Evolution Reaction Catalysts

View Full Paper

Ask AI

Bookmark

Authors

JAJ. A.TETomlal Jose E JTJasmine Thomas

Discussion

Member takes

Overview

Experimental study demonstrates enhanced oxygen evolution catalysis in cobalt-iron perovskites, suggesting scalable designs for clean energy conversion.

Key Points

To synthesize B-site cobalt- and iron-doped La0.5Ca0.5CoxFe1-xO3 perovskites via a solution combustion route and evaluate their electrocatalytic activity for the oxygen evolution reaction.
Synthesized La0.5Ca0.5CoxFe1-xO3 (x = 0, 0.2, 0.4, 0.6, 0.8, 1) perovskite oxides using a sustainable solution combustion method.
Characterized structural properties and thermal stability up to 1000 °C using PXRD, FTIR, FESEM, HRTEM, and XPS.
Assessed electrocatalytic performance through cyclic voltammetry, linear sweep voltammetry, electrochemical impedance spectroscopy, and Tafel slope analysis.
La0.5Ca0.5Co0.4Fe0.6O3 showed the highest electrocatalytic performance among tested ratios, yielding a Tafel slope of 70.32 mV/dec.
Achieved an overpotential of 364 mV at a current density of 10 mA/cm2 for the optimized La0.5Ca0.5Co0.4Fe0.6O3 catalyst.
Enhanced electrocatalytic performance resulted from increased active surface area, reduced charge transfer resistance, and a stable porous spherical morphology.

Cite This Study

A. et al. (2025) studied this question.

synapsesocial.com/papers/6a6f5ff078a11c550e09125a https://doi.org/10.1002/slct.202503095

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