Di Tian, Zefeng Wang, Zhou Xu, Yiquan Zhu, Yan Yan, Jifeng Yang, Siyuan He, Zaibin Xue, Zhenzhen Wang, Kang Li, Wenxuan Fan, Miaomiao Xue, Zehua Qu, Wei Xia, Mingkai Liu
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引用次数: 0
摘要
二氧化碳的电化学还原（CO2RR）是降低大气中二氧化碳含量和实现碳中和目标的重要途径。在已研究的金属元素中，铜（Cu）已成为一种关键的异相催化剂，能够促进 CO2RR 中 C2+ 产物的形成。然而，挑战依然存在，包括 CO2RR 中的活性和选择性不佳，阻碍了铜基催化剂的广泛应用。构建单原子位点是提高 CO2 转化催化效率的一种可行策略。异构体掺杂提供了一种改变配位环境和影响活性位点电子状态的方法。单原子合金催化剂（SAAs）具有独特的结构和优异的催化选择性，已成为 CO2RR 领域的重要角色。本综述全面总结了用于 CO2RR 的铜基单原子合金催化剂的最新进展，并特别强调了合成策略和选择性 CO2 转化。最终，本综述旨在为设计和制备铜基 SAA 以提高 CO2RR 性能提供新的见解。
Elevating CO2 selective conversion: Insights into copper-based single atom alloy catalysts
The electrochemical reduction of carbon dioxide (CO2RR) stands as a pivotal pathway for mitigating atmospheric CO2 levels and realizing carbon neutrality objectives. Among the investigated metal elements, copper (Cu) has emerged as a key heterogeneous catalyst capable of facilitating the formation of C2+ products in CO2RR. However, challenges persist, including subpar activity and selectivity in CO2RR, hampering the widespread application of Cu-based catalysts. The construction of single-atom sites represents a promising strategy to enhance the catalytic efficiency of CO2 conversion. Heteroatom doping offers a means to alter the coordination environment and influence the electronic state of active sites. Single-atom alloy catalysts (SAAs), with their distinctive structure and superior catalytic selectivity, have emerged as significant players in the realm of CO2RR. This review work provides a comprehensive summary of recent advancements in Cu-based SAAs for CO2RR, with particular emphasis on synthesis strategies and selective CO2 conversion. Ultimately, this review aims to offer fresh insights into the design and preparation of Cu-based SAAs for enhanced CO2RR performance.
期刊介绍：
Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field.
The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest.
Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials.
Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.
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