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- W1946646087 endingPage "3367" @default.
- W1946646087 startingPage "3358" @default.
- W1946646087 abstract "Highly dispersed bimetallic Ni-Cu core encapsulated by a CeO2 shell catalyst has been synthesized by a combination of positive emulsion and the self-assembly method. Several catalyst characterization techniques were implemented to investigate the core–shell structure and its unique properties. Field-emission TEM, X-ray diffraction, X-ray photoelectron spectroscopy, and N2O chemisorption analyses showed that uniform bimetallic Ni-Cu particles with an average size of 3.4 nm and narrow size distribution encapsulated by CeO2 shell with an average size of 4.3–5.4 nm were formed. 10 wt % bimetallic Ni-Cu catalyst encapsulated by CeO2 exhibited high catalytic activity and stability at 500 °C in the high-temperature water–gas shift reaction. This could owe to the contributing factors of a high level of metal–support interaction, small bimetallic Ni-Cu particle size, and high surface lattice oxygen concentration enhancing the water–gas shift reaction. Moreover, strongly adsorbed CO and the presence of type I OH on the core–shell catalyst implied that these two active species could be the most important species in the formation of active intermediate species for the water–gas shift reaction, as evidenced by CO temperature-programmed reduction–MS and in situ diffuse-reflectance IR Fourier transform spectroscopy." @default.
- W1946646087 created "2016-06-24" @default.
- W1946646087 creator A5008027839 @default.
- W1946646087 creator A5022805517 @default.
- W1946646087 creator A5081338700 @default.
- W1946646087 creator A5084011565 @default.
- W1946646087 creator A5088315771 @default.
- W1946646087 date "2015-08-26" @default.
- W1946646087 modified "2023-10-10" @default.
- W1946646087 title "Highly Active and Stable Bimetallic Nickel-Copper Core-Ceria Shell Catalyst for High-Temperature Water-Gas Shift Reaction" @default.
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