The copper-based catalysts were prepared by sol-gel method and characterized by TPR and TG,and the catalysts were also examined in the reaction of methanol decomposition to hydrogen and carbon monoxide.It was showed t...The copper-based catalysts were prepared by sol-gel method and characterized by TPR and TG,and the catalysts were also examined in the reaction of methanol decomposition to hydrogen and carbon monoxide.It was showed that the size of Cu particles on the catalysts prepared by sol-gel method was smaller that than on the one prepared by impregnation method.In the reaction of methanol decomposition,the conversion increased with the rise of temperature.The catalysts with Cr promoter had better activity and higher yield of H2 at lower temperature,but at higher temperature,the catalysts with La or Ce were better.展开更多
文摘The copper-based catalysts were prepared by sol-gel method and characterized by TPR and TG,and the catalysts were also examined in the reaction of methanol decomposition to hydrogen and carbon monoxide.It was showed that the size of Cu particles on the catalysts prepared by sol-gel method was smaller that than on the one prepared by impregnation method.In the reaction of methanol decomposition,the conversion increased with the rise of temperature.The catalysts with Cr promoter had better activity and higher yield of H2 at lower temperature,but at higher temperature,the catalysts with La or Ce were better.