Perovskite Oxides as Electrocatalysts for Hydrogen Evolution Reaction.

Area of Science:

• Materials Science
• Electrochemistry
• Renewable Energy

Background:

• Electrocatalytic water splitting for hydrogen generation is crucial for renewable energy storage.
• Developing efficient and cost-effective electrocatalysts is key to replacing platinum-based catalysts.
• Perovskite oxides are a promising class of materials for this application.

Purpose of the Study:

• To review recent advancements in perovskite oxide-based electrocatalysts for the hydrogen evolution reaction (HER).
• To highlight strategies for optimizing perovskite oxide performance, including compositional modifications and heterostructures.

Main Methods:

• Review of literature on perovskite oxide development for HER over the past decade.
• Analysis of studies focusing on single-phase perovskite catalysts.
• Examination of research on perovskite oxide heterostructures and composites.

Main Results:

• Compositional modifications of perovskite oxides have led to improved HER activity.
• Heterostructures and composites leverage synergistic effects for enhanced catalytic performance.
• Perovskite oxides demonstrate significant potential as alternatives to traditional HER catalysts.

Conclusions:

• Perovskite oxides are a highly promising material family for efficient and cost-effective hydrogen evolution reaction catalysis.
• Further research into compositional engineering and advanced structures will unlock their full potential for sustainable hydrogen production.