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Li C, Zhang Z, Zhou L, Fang B, Ni J, Lin J, Lin B, Jiang L. Boosting the ammonia synthesis activity of ceria-supported Ru catalysts achieved through trace Pr addition. Chem Commun (Camb) 2023; 59:11552-11555. [PMID: 37681252 DOI: 10.1039/d3cc03130f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
The amount of dopant used in conventional cases for improving catalytic performance is higher than 5%. In this work, a strategy to enhance the ammonia synthesis performance of a Ru/CeO2 catalyst by using trace Pr (0.1 mol%) is reported. Owing to the improvement of oxygen defects, Ce3+ concentration and interfaced Ru species, the hydrogen adsorption was enhanced, and the desorption of hydrogen species would be promoted. As a result, Ru/CeO2 with 0.1 mol% Pr shows 1.4 times higher ammonia synthesis rate and excellent stability compared to Ru/CeO2 or the sample with high Pr loading (50 mol% Pr). This study provides a new idea for the design of high-efficiency ammonia synthesis catalysts.
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Affiliation(s)
- Chunyan Li
- Key Laboratory of Low-Dimensional Materials and Big Data, School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, China
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China.
| | - Zecheng Zhang
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China.
| | - Lingyun Zhou
- Key Laboratory of Low-Dimensional Materials and Big Data, School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, China
| | - Biyun Fang
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China.
| | - Jun Ni
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China.
| | - Jianxin Lin
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China.
| | - Bingyu Lin
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China.
| | - Lilong Jiang
- National Engineering Research Center of Chemical Fertilizer Catalyst, College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China.
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Ru/CeO2/MgO Catalysts for Enhanced Ammonia Synthesis Efficiency. Top Catal 2023. [DOI: 10.1007/s11244-023-01789-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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3
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Method for evaluating the performance of catalytic reactions using renewable-energy-derived materials. Sci Rep 2022; 12:10604. [PMID: 35732897 PMCID: PMC9217920 DOI: 10.1038/s41598-022-14789-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 06/13/2022] [Indexed: 12/01/2022] Open
Abstract
Hydrogen produced by electrolysis using electricity derived from renewable energy sources has a fluctuating supply. However, conventional catalyst evaluation methods cannot evaluate catalyst synthesis assuming a fluctuating feedstock. This paper investigates a simple screening method for catalysts that can be used for renewable energy by using a combination of three catalyst evaluation methods: Light-off Performance, equilibrium achievement degree, and maximum ammonia concentration. We examined the combination of evaluation methods and trends for each element, and finally concluded that a three-axis graph combining the three is the easiest graph to obtain the information necessary for catalyst screening intuitively rather than quantitatively.
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Chaudhari C, Sato K, Miyahara SI, Yamamoto T, Toriyama T, Matsumura S, Kusuda K, Kitagawa H, Nagaoka K. The effect of Ru precursor and support on the hydrogenation of aromatic aldehydes/ketones to alcohols. ChemCatChem 2022. [DOI: 10.1002/cctc.202200241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chandan Chaudhari
- Nagoya University: Nagoya Daigaku Department of Chemical Systems Engineering JAPAN
| | - Katsutoshi Sato
- Nagoya University: Nagoya Daigaku Department of Chemical Systems Engineering JAPAN
| | - Shin-ichiro Miyahara
- Nagoya University: Nagoya Daigaku Department of Chemical Systems Engineering JAPAN
| | - Tomokazu Yamamoto
- Kyushu University: Kyushu Daigaku Research Laboratory of High-Voltage Electron Microscope JAPAN
| | - Takaki Toriyama
- Kyushu University: Kyushu Daigaku Research Laboratory of High-Voltage Electron Microscope JAPAN
| | - Syo Matsumura
- Kyushu University: Kyushu Daigaku Department of Applied Quantum Physics and Nuclear Engineering JAPAN
| | - Kohei Kusuda
- Kyoto University: Kyoto Daigaku Department of Chemistry JAPAN
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Facile MOF-derived one-pot synthetic approach toward Ru single atoms, nanoclusters, and nanoparticles dispersed on CeO2 supports for enhanced ammonia synthesis. J Catal 2022. [DOI: 10.1016/j.jcat.2022.03.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Zhou Q, Zhao Z, Yao Z, Wei Z, Huang S, Shao F, Li A, Wang J. Engineering the geometric and electronic structure of Ru via Ru–TiO2 interaction for enhanced selective hydrogenation. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01678d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ru/TiO2-Vo-250H with the structure of TiO2-Vo-partially encapsulated Ru nanoparticles, balances the active sites for H2 dissociation and the adsorption sites for 6-chloroquinoline, achieving the selective hydrogenation even at room temperature.
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Affiliation(s)
- Qiang Zhou
- Institute of Industrial Catalysis, College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
| | - Zijiang Zhao
- Institute of Industrial Catalysis, College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
| | - Zihao Yao
- Institute of Industrial Catalysis, College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
| | - Zhongzhe Wei
- Institute of Industrial Catalysis, College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
- SINOPEC Ningbo New Materials Research Institute Company Limited, Ningbo 315207, Zhejiang, China
| | - Songtao Huang
- Institute of Industrial Catalysis, College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
| | - Fangjun Shao
- Institute of Industrial Catalysis, College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
| | - Aiyuan Li
- Zhejiang Collaborative Innovation Center for High Value Utilization of Byproducts from Ethylene Project, Ningbo Polytechnic College, Ningbo 315800, Zhejiang, China
| | - Jianguo Wang
- Institute of Industrial Catalysis, College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Hangzhou, 310032, P. R. China
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