Tuning the Surface Composition of Ni/meso-CeO2 with Iridium as an Efficient Catalyst for Hydrogen Generation from Hydrous Hydrazine

时间:2018-05-25作者:浏览量:506


标题

Tuning the Surface Composition of Ni/meso-CeO2 with Iridium as an Efficient Catalyst for Hydrogen Generation from Hydrous Hydrazine

作者

作者:Qiu, YP (Qiu, Yu-Ping)[1 ]; Yin, H (Yin, Hui)[1 ]; Dai, H (Dai, Hao)[1 ]; Gan, LY (Gan, Li-Yong)[1 ]; Dai, HB (Dai, Hong-Bin)[1 ]; Wang, P (Wang, Ping)[1 ]

期刊信息


CHEMISTRY-A EUROPEAN JOURNAL


卷:24

期:19

页:4902-4908

DOI:10.1002/chem.201705923

出版年:APR 3 2018

文献类型:Article

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摘要

Selective decomposition of hydrous hydrazine (N2H4 center dot H2O) over metal catalysts provides a promising means for onboard or portable hydrogen source applications. Studies on N2H4 center dot H2O decomposition catalysts mainly focus on the effects of bulk composition and structure on their performances, instead of the surface-composition-dependent properties. Herein, the synthesis of an Ir-modified Ni/meso-CeO2 catalyst is reported by using a combination of colloidal solution combustion synthesis and galvanic replacement methods. A combination of structural characterization, control experiments, and DFT calculations reveals that the Ni-Ir alloy resulting from calcination treatment exerts a profound effect on the catalytic properties. The resulting Ni@Ni-Ir/meso-CeO2 catalyst shows excellent catalytic performance towards hydrogen generation from N2H4 center dot H2O, which compares favorably with the Ni-Ir bimetallic catalysts reported to date.

关键词

作者关键词:alloys; heterogeneous catalysis; hydrogen; iridium; surface analysis

作者信息

作者信息

通讯作者地址:Dai, HB; Wang, P (通讯作者)

显示更多South China Univ Technol, Sch Mat Sci & Engn, Key Lab Adv Energy Storage Mat Guangdong Prov, Guangzhou 510641, Guangdong, Peoples R China.


地址:

显示更多[ 1 ] South China Univ Technol, Sch Mat Sci & Engn, Key Lab Adv Energy Storage Mat Guangdong Prov, Guangzhou 510641, Guangdong, Peoples R China


电子邮件地址:mshbdai@scut.edu.cn; mspwang@scut.edu.cn

出版商

WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY

类别分类

类别 / 分类

研究方向:Chemistry

Web of Science 类别:Chemistry, Multidisciplinary