Catalytic performance of MnOx-NiO composite oxide in lean methane combustion at low temperature
Zhang, YG; Qin, ZF; Wang, GF; Zhu, HQ; Dong, M; Li, SN; Wu, ZW; Li, ZK; Wu, ZH; Zhang, J; Hu, TD; Fan, WB; Wang, JG;吴忠华; Zhang J(张静); Hu TD(胡天斗)
刊名APPLIED CATALYSIS B-ENVIRONMENTAL
2013
卷号129页码:172-181
关键词Nickel oxide Manganese oxide MnOx-NiO composite oxide Lean methane Catalytic combustion
学科分类Chemistry; Engineering
DOI10.1016/j.apcatb.2012.09.021
英文摘要A series of MnOx-NiO composite oxide catalysts were prepared by co-precipitation method and used in the catalytic combustion of lean methane at low temperature. Compared with the corresponding single NiO and MnOx oxides, the MnOx-NiO composite oxide with proper composition exhibits much higher catalytic performance in the lean methane oxidation. XRD and HRTEM results demonstrate that MnOx-NiO is in the form of a Ni-Mn-O solid solution. XAFS and XPS results indicate that the content of manganese in MnOx-NiO has a significant influence on the oxidation state of manganese and the crystal defect of nickel oxide. MnOx-NiO catalyst with an atomic Mn/(Mn + Ni) ratio of 0.13 is provided with abundant highly dispersed manganese species of higher valence (Mn4+) and higher coordination number as well as certain nickel vacancies, due to the strong interaction between Ni and Mn species. H-2-TPR and O-2-TPD results show that the MnOx-NiO composite oxide exhibits better reducibility and oxygen mobility than NiO. All these characterizations suggest a prominent synergism between NiO and MnOx in the MnOx-NiO composite oxide, which contributes to its high performance in the lean methane combustion. (C) 2012 Elsevier B.V. All rights reserved.
收录类别SCI
WOS记录号WOS:000312689500020
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被引频次:64[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/223880
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Zhang, YG,Qin, ZF,Wang, GF,et al. Catalytic performance of MnOx-NiO composite oxide in lean methane combustion at low temperature[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2013,129:172-181.
APA Zhang, YG.,Qin, ZF.,Wang, GF.,Zhu, HQ.,Dong, M.,...&胡天斗.(2013).Catalytic performance of MnOx-NiO composite oxide in lean methane combustion at low temperature.APPLIED CATALYSIS B-ENVIRONMENTAL,129,172-181.
MLA Zhang, YG,et al."Catalytic performance of MnOx-NiO composite oxide in lean methane combustion at low temperature".APPLIED CATALYSIS B-ENVIRONMENTAL 129(2013):172-181.
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