Recent progress in homogeneous electrocatalytic water splitting by bimetallic macrocyclic complexes

Area of Science:

• Electrocatalysis
• Energy Chemistry
• Materials Science

Background:

• Electrocatalysis is key for efficient energy conversion, with catalyst performance dictating process efficiency, selectivity, and economics.
• Bimetallic catalysts, inspired by natural enzymes, offer synergistic effects and structural tunability, making them attractive for energy applications.
• Macrocyclic compounds like porphyrins and corroles serve as ideal scaffolds for creating bimetallic catalytic centers.

Purpose of the Study:

• To systematically review the structural design strategies of bimetallic macrocyclic catalysts for water splitting.
• To summarize their catalytic performance and elucidate mechanisms in electrocatalytic water splitting.
• To clarify structure-activity relationships using experimental and theoretical data.

Main Methods:

• Literature review of bimetallic macrocyclic catalysts for water splitting.
• Integration of experimental data and theoretical calculations.
• Analysis of structure-activity relationships.

Main Results:

• Bimetallic macrocyclic complexes exhibit unique advantages and significant potential in electrocatalytic water splitting.
• Systematic summarization of design strategies, performance, and mechanisms.
• Clarification of structure-activity relationships through integrated data analysis.

Conclusions:

• Bimetallic macrocyclic complexes are a promising frontier for efficient electrocatalytic water splitting.
• This review provides guidance for designing high-activity, selective, and stable catalysts.
• The findings support clean energy transition and dual carbon goals through improved energy conversion and storage.