Qin Fengjuan, Chen Wenxing
Energy & Catalysis Center, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China.
Chem Commun (Camb). 2021 Mar 16;57(22):2710-2723. doi: 10.1039/d1cc00062d.
Heterogeneous catalysts, as crucial industrial commodities, play an important role in industrial production, especially in energy catalysis. Traditional noble metal catalysts cannot meet the increasing demand. Therefore, the exploration of cost-effective catalysts with high activity and selectivity is important to promote chemical production. Single-atom alloy (SAA) catalysts reduce the use of precious metals compared with traditional catalysts. The unique structure of SAAs, extremely high atom utilization and high catalytic selectivity give them a prominent position in heterogeneous catalysis. SAAs are widely used in selective hydrogenation/dehydrogenation, carbon dioxide reduction reaction (CO2RR), hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and nitric oxide reduction reaction (NORR). Here, the applications and research progress of copper-based single-atom alloys in the various catalytic reactions mentioned above are mainly introduced, and the factors (such as synthesis method, composition content, etc.) affecting the catalytic performance are analyzed using a combination of various characterization and testing methods.
多相催化剂作为关键的工业产品，在工业生产中发挥着重要作用，尤其是在能源催化领域。传统的贵金属催化剂无法满足日益增长的需求。因此，探索具有高活性和选择性的经济高效催化剂对于促进化学生产至关重要。与传统催化剂相比，单原子合金（SAA）催化剂减少了贵金属的使用。SAA的独特结构、极高的原子利用率和高催化选择性使其在多相催化中占据突出地位。SAA广泛应用于选择性加氢/脱氢、二氧化碳还原反应（CO2RR）、析氢反应（HER）、析氧反应（OER）和一氧化氮还原反应（NORR）。在此，主要介绍了铜基单原子合金在上述各种催化反应中的应用和研究进展，并结合各种表征和测试方法分析了影响催化性能的因素（如合成方法、组成含量等）。
