Active hydrogen-controlled CO2/N2/NOx electroreduction:From mechanism understanding to catalyst design

Hanle Liu; Shunhan Jia; Limin Wu; Lei He; Xiaofu Sun; Buxing Han

doi:10.59717/j.xinn-mater.2024.100058

The Innovation Materials > 2024 Vol. 2 > No. 1 > 100058

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Active hydrogen-controlled CO₂/N₂/NO_x electroreduction:From mechanism understanding to catalyst design

1.
Beijing National Laboratory for Molecular Sciences, CAS Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Center for Carbon Neutral Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
2.
School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
3.
College of Chemistry, Nankai University, Tianjin 300071, China
4.
State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
5.
Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China

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Corresponding authors: sunxiaofu@iccas.ac.cn (X.S.); hanbx@iccas.ac.cn (B.H.); helei@mail.buct.edu.cn (L.H.)
Received Date: November 23, 2023

Accepted Date: March 14, 2024

Published Online: March 19, 2024

The Innovation Materials 2(1), https://doi.org/10.59717/j.xinn-mater.2024.100058 | Cite this article

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PUBLIC SUMMARY

PUBLIC SUMMARY
1. Active hydrogen is crucial for CO₂/N₂/NO_x electroreduction.
  
  The functioning mechanisms and characterization methods of active hydrogen are reviewed.
  
  The reported catalysts that could control the active hydrogen are summarized in detail.
  
  The challenges, opportunities, and development directions in future research are provided.

ABSTRACT

ABSTRACT

The development of renewable-energy-powered electrocatalysis meets the need for the sustainable society. With water as the proton source, it enables efficient production of chemicals and fuels from renewable resources like CO₂, N₂, and NO_x under ambient conditions. Hydrogen generated via water dissociation is a crucial participant in transforming reactants into desired products, but it also serves as a direct source of undesired reactions when in excess. In this review, we first present an overview of the functional mechanisms of active hydrogen in the electroreduction of CO₂/N₂/NO_x. We then introduce a range of methods to enhance our understanding of these mechanisms. Furthermore, a detailed discussion of design strategies aimed at regulating active hydrogen in the reduction of CO₂/N₂/NO_x is provided. Finally, an outlook on the critical challenges remaining in this research area and promising opportunities for future research is considered.

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Liu H., Jia S., Wu L., et al., (2024). Active hydrogen-controlled CO2/N2/NOx electroreduction:From mechanism understanding to catalyst design. The Innovation Materials 2(1): 100058. https://doi.org/10.59717/j.xinn-mater.2024.100058

Liu H., Jia S., Wu L., et al., (2024). Active hydrogen-controlled CO₂/N₂/NO_x electroreduction:From mechanism understanding to catalyst design. The Innovation Materials 2(1): 100058. https://doi.org/10.59717/j.xinn-mater.2024.100058

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