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Visualizing active species in CO2 electroreduction
Chem Catalysis ( IF 11.5 ) Pub Date : 2024-12-19 , DOI: 10.1016/j.checat.2024.101230
Yu Yang, Yaohui Shi, Fengwang Li

Understanding the evolution of Cu-based catalysts during electrochemical CO2 reduction (ECR) remains challenging. The study by Lim et al. in Joule devises an operando scanning transmission X-ray microscopy to investigate the dynamic phase transformations of Cu catalysts and reveals that Cu2+ species play a crucial role in enhancing C–C coupling. The findings inform the authors of an approach to dynamically redirect the oxidation state of Cu, achieving, as a result, higher selectivity and efficiency for ECR catalysis.

中文翻译:


可视化 CO2 电还原中的活性物质



了解铜基催化剂在电化学 CO2 还原 (ECR) 过程中的演变仍然具有挑战性。Lim 等人在 Joule 的研究设计了一种原位扫描透射 X 射线显微镜来研究 Cu 催化剂的动态相变,并揭示了 Cu2+ 物种在增强 C-C 耦合中起着至关重要的作用。这些发现为作者提供了一种动态重定向 Cu 氧化态的方法,从而实现了更高的 ECR 催化选择性和效率。
更新日期:2024-12-19
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