DICP OpenIR
学科主题物理化学
Hydrogen production via oxidative steam reforming over Ir/CeO2 catalysts: influence of particle sizes
Cai WJ(蔡伟杰); Wang FG(王发根); Zhan ES(展恩胜); Shen WJ(申文杰)
会议名称9th Novel Gas Conversion Symposium
会议日期2010-5-30
2010-05-30
会议地点法国
其他题名Ir/CeO2 催化剂上乙醇水汽重整制氢:粒子大小的影响
页码214/1
部门归属五室
主办者里昂环境催化研究所
英文摘要The catalytic activity of ethanol reforming strongly depends on the interaction between Ir particles and ceria support, which is determined largely by the size of ceria particle. The catalyst with ceria size of 6-8 nm exhibited the strong metal-support interaction and resulted in the quite promising activity and stability. When ceria size was larger than 20 nm, large amounts of coke was formed on the catalysts due to the insufficient redox of CeO2. It seems that ceria particle in the range of 6-10 nm provides a sufficient Ir-CeO2 interfacial perimeter, which favors facile activation of water and/or oxygen and easy transfer of oxygen species to Ir particles, promoting carbon removal.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/114082
专题中国科学院大连化学物理研究所
通讯作者Shen WJ(申文杰)
推荐引用方式
GB/T 7714
Cai WJ,Wang FG,Zhan ES,et al. Hydrogen production via oxidative steam reforming over Ir/CeO2 catalysts: influence of particle sizes[C],2010:214/1.
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