Recent progress in transition metal selenide electrocatalysts for water splitting

Area of Science:

• Materials Science
• Electrochemistry
• Catalysis

Background:

• Scalable hydrogen production is crucial for a sustainable energy future.
• Noble metal catalysts are expensive and scarce for water electrolysis.
• Transition metal selenides offer a cost-effective alternative with promising catalytic properties.

Purpose of the Study:

• To review recent advancements in transition metal selenide electrocatalysts for water splitting.
• To discuss the structure-property relationships influencing catalytic activity.
• To identify future challenges and strategies for designing high-performance catalysts.

Main Methods:

• Literature review of recent research on transition metal selenides.
• Analysis of catalytic performance for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER).
• Discussion of synthesis methods and structural modifications.

Main Results:

• Transition metal selenides show significant potential for both HER and OER.
• Various strategies have been developed to enhance their electrocatalytic activity.
• Understanding structure and composition is key to optimizing performance.

Conclusions:

• Transition metal selenides are viable alternatives to noble metals for efficient water electrolysis.
• Further research is needed to overcome limitations and realize their full potential.
• New design and synthesis strategies are essential for developing next-generation electrocatalysts.