Enhancing catalytic performance of Ag-CeO2 catalysts for catalytic CO combustion: Ag-CeO2 interface interaction and Na-promoting action
文献类型：期刊论文
| 作者 | Rao, Richuan; Liang, Hanwen; Hu, Chunming ; Dong, Huaze; Dong, Xiongzi; Tang, Yongqiang; Fang, Song; Ling, Qiang
|
| 刊名 | FUEL
 |
| 出版日期 | 2022-06-01 |
| 卷号 | 317期号:0页码:123439 |
| 关键词 | SOOT OXIDATION THERMAL-DECOMPOSITION AG/CEO2 CATALYSTS OXYGEN VACANCIES NANOCRYSTALLINE CERIA ELECTRONIC-STRUCTURE SURFACE NANOPARTICLES CEO2 ACTIVATION |
| ISSN号 | 0016-2361 |
| 英文摘要 | Ag-CeO2 catalysts were prepared via urea-and activated carbon-assisted pyrolysis to study an improvement strategy for their catalytic performance in catalytic CO combustion. Different synthetic methods induced the change of Ag-CeO2 interface interaction by tuning the surface chemical state of Ag nanoparticles and CeO2 nanoparticles. However, it was completely different to arouse the change degree in the structure and perfor-mance of these Ag-CeO2 catalysts. Fabrication of Ag-CeO2 catalysts using a urea pyrolysis induced to create an Ag-CeO2 interface with more metallic Ag species, which improved the reductivity of CeO2 surface and enhanced the Ag-CeO2 catalyst performance. Fabrication of Ag-CeO2 catalysts using an activated carbon pyrolysis method induced to form an Ag-CeO2 interface with more positively charged Ag+ ions and required higher temperature of CO conversion. For the Ag-CeO2 catalysts with more positively charged Ag+ species, the participation of sodium salts could alleviate Ag nanoparticle oxidation and promoted the transformation of Ag-CeO2 interface with more positively charged Ag+ ions into Ag-CeO2 interface with more metallic Ag species, which caused the formation of more Ce3+ cations and the production of more reducible surface oxygen and enhanced the catalyst performance in catalytic CO combustion. |
| 源URL | [https://ir.rcees.ac.cn/handle/311016/47246]  |
| 专题 | 生态环境研究中心_城市与区域生态国家重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, PR, Peoples R China 2.Anhui Univ Technol, Sch Chem & Chem Engn, Anhui Key Lab Coal Clean Convers & Utilizat, Maanshan 243002, PR, Peoples R China 3.Hefei Normal Univ, Sch Chem & Chem Engn, Anhui Engn Lab Med & Food Homologous Nat Resource, Hefei 230601, Anhui, Peoples R China |
| 推荐引用方式 GB/T 7714 | Rao, Richuan,Liang, Hanwen,Hu, Chunming,et al. Enhancing catalytic performance of Ag-CeO2 catalysts for catalytic CO combustion: Ag-CeO2 interface interaction and Na-promoting action[J]. FUEL,2022,317(0):123439. |
| APA | Rao, Richuan.,Liang, Hanwen.,Hu, Chunming.,Dong, Huaze.,Dong, Xiongzi.,...&Ling, Qiang.(2022).Enhancing catalytic performance of Ag-CeO2 catalysts for catalytic CO combustion: Ag-CeO2 interface interaction and Na-promoting action.FUEL,317(0),123439. |
| MLA | Rao, Richuan,et al."Enhancing catalytic performance of Ag-CeO2 catalysts for catalytic CO combustion: Ag-CeO2 interface interaction and Na-promoting action".FUEL 317.0(2022):123439. |
入库方式： OAI收割
来源：生态环境研究中心
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