催化作用
热稳定性
色散(光学)
金属
氧化物
多相催化
材料科学
纳米技术
化学工程
化学
冶金
工程类
有机化学
光学
物理
作者
Yidan Cao,Rui Ran,Xiaodong Wu,Zhichun Si,Feiyu Kang,Duan Weng
标识
DOI:10.1016/j.jes.2022.01.011
摘要
The interactions between metals and oxide supports, so-called metal-support interactions (MSI), are of great importance in heterogeneous catalysis. Pd-based automotive exhaust control catalysts, especially Pd-based three-way catalysts (TWCs), have received considerable research attention owing to its prominent oxidation activity of HCs/CO, as well as excellent thermal stability. For Pd-based TWCs, the dispersion, chemical state and thermal stability of Pd species, which are crucial to the catalytic performance, are closely associated with interactions between metal nanoparticles and their supporting matrix. Progress on the research about MSI and utilization of MSI in advanced Pd-based three-way catalysts are reviewed here. Along with the development of advanced synthesis approaches and engine control technology, the study on MSI would play a notable role in further development of catalysts for automobile exhaust control.
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