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<p>Hybrid full reaction, such as coupling CO<sub>2</sub> reduction (CO<sub>2</sub>RR)/hydrogen evolution (HER) with alternative anodic reactions, has emerged as a promising research direction to increase economic output and reduce energy input. However, significant breakthroughs are still lacking. Crystalline porous materials, particularly metal-organic frameworks (MOFs) and covalent organic frameworks (COFs), offer guiding significance for catalyst design and mechanism studies. Their well-defined and flexible structures are conducive to breaking through technological bottlenecks. This review focuses on the current state of research on MOFs and COFs for CO<sub>2</sub>RR/HER coupled with potential alternative anodic reactions. Future opportunities lie in the structural design of electrocatalysts based on crystalline porous frameworks, the selection of anodic reactions, the enhancement of electrolysis devices, addressing stability issues, and elucidating reaction mechanisms. These approaches will be crucial for advancing electrocatalysts toward high-performance hybrid full reaction.</p>

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Crystalline porous materials for CO2 reduction/hydrogen evolution-coupled value-added electrocatalytic conversions

  • 期刊论文

  • 发表日期：

    2026年3月11日

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  • Sheng-Nan Sun,
  • Pengfei Wu,
  • Jie Jiang,
  • Jing-Qi Sun,
  • Qing Huang,
  • Can He,
  • Jiang Liu,
  • Ya-Qian Lan

摘要

Hybrid full reaction, such as coupling CO2 reduction (CO2RR)/hydrogen evolution (HER) with alternative anodic reactions, has emerged as a promising research direction to increase economic output and reduce energy input. However, significant breakthroughs are still lacking. Crystalline porous materials, particularly metal-organic frameworks (MOFs) and covalent organic frameworks (COFs), offer guiding significance for catalyst design and mechanism studies. Their well-defined and flexible structures are conducive to breaking through technological bottlenecks. This review focuses on the current state of research on MOFs and COFs for CO2RR/HER coupled with potential alternative anodic reactions. Future opportunities lie in the structural design of electrocatalysts based on crystalline porous frameworks, the selection of anodic reactions, the enhancement of electrolysis devices, addressing stability issues, and elucidating reaction mechanisms. These approaches will be crucial for advancing electrocatalysts toward high-performance hybrid full reaction.