Activity and stability of monometallic and bimetallic catalysts for high-temperature catalytic HI decomposition in the iodine-sulfur hydrogen production cycle
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- 作者：Songzhi Hu husz13@mails.tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Lufei Xu xulf14@mails.tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Laijun Wang ; wanglaijun@mail.tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Daocai Li 07ldc@163.com" class="auth_mail" title="E-mail the corresponding author ; Ping Zhang zhangping77@mail.tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Songzhe Chen chenszh@mail.tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Thermochemical hydrogen production ; Iodine&ndash ; sulfur cycle ; Decomposition of hydrogen iodide ; Monometallic and bimetallic catalysts ; Supported Pt&ndash ; Ir catalysts
- 刊名：International Journal of Hydrogen Energy
- 出版年：2016
- 出版时间：12 January 2016
- 年：2016
- 卷：41
- 期：2
- 页码：773-783
- 全文大小：4128 K
文摘
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Carbon supported Pd, Pt, Ir, Pd–Pt, Pd–Ir, and Pt–Ir catalysts were prepared.
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Their catalytic activities were compared for HI decomposition at 550–600 °C.
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The fresh and used catalysts were characterized by XRD, TEM, EDX and XPS.
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Obvious differences were found between fresh and used Pd-containing catalysts.
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Synergy between Pt and Ir strongly improves catalyst activity and stability.
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