Development of Perovskite Oxide-Based Electrocatalysts for Oxygen Evolution Reaction

Area of Science:

• Materials Science
• Electrochemistry
• Catalysis

Background:

• Perovskite oxides are cost-effective electrocatalysts for oxygen evolution reactions (OER).
• Key challenges include limited active sites and poor electrical conductivity, hindering catalytic efficiency.
• Developing efficient OER electrocatalysts is crucial for energy conversion technologies.

Purpose of the Study:

• To comprehensively review recent strategies for enhancing perovskite oxide electrocatalyst activity in OER.
• To systematically discuss methods for overcoming intrinsic limitations of perovskite oxides.
• To provide perspectives on designing advanced perovskite oxide-based electrocatalysts for practical OER applications.

Main Methods:

• Review of literature on perovskite oxide electrocatalysts for OER.
• Systematic discussion of strategies including composition engineering, crystal facet control, morphology modulation, defect engineering, and hybridization.
• Analysis of methods to improve active sites and electrical conductivity.

Main Results:

• Various strategies have been developed to enhance the catalytic activity of perovskite oxides for OER.
• Composition engineering, facet control, morphology modulation, defect engineering, and hybridization are effective approaches.
• These strategies address the limitations of active sites and electrical conductivity.

Conclusions:

• Perovskite oxides offer a promising platform for OER electrocatalysts.
• Strategic modifications are essential to optimize their performance.
• Further research into catalyst design can lead to practical OER applications.