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学科主题: 物理化学
题名: Hydrogen production via oxidative steam reforming over Ir/CeO2 catalysts: influence of particle sizes
作者: 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
出版日期: 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
通讯作者: 申文杰
部门归属: 五室
主办者: 里昂环境催化研究所
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
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/114082
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Cai WJ,Wang FG,Zhan ES,et al. Hydrogen production via oxidative steam reforming over Ir/CeO2 catalysts: influence of particle sizes[C]. 见:9th Novel Gas Conversion Symposium. 法国. 2010-5-30.
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