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Enhanced hydrogen-rich syngas generation in chemical looping methane reforming using an interstitial doped La1.6Sr0.4FeCoO6
Li, Ming1,2,3,4; Zhao, Kun1,2,3; Zhao, Zengli1,2,3; Li, Haibin1,2,3; He, Fang5; Lu, Pengmei1,2,3,6
2019-04-23
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
卷号44期号:21页码:10250-10264
通讯作者Zhao, Kun(zhaokun@ms.giec.ac.cn) ; He, Fang(hefang@glut.edu.cn)
摘要Chemical looping methane reforming (CLMR) is a promising technology for syngas generation by designing an oxygen carrier to partially oxidize methane into mixed gases with expected H-2/CO ratio. The major challenge is the development of oxygen carriers with high reactivity, good selectivity, and excellent recyclability. We investigated a novel interstitial doped perovskite as an oxygen carrier to regulate the oxidation activity and demonstrated that Mg ions that interstitial entering into the crystal lattice of perovskite can improve the activation of methane greatly without any change of the crystal structure. According to the results of XPS and H-2-TPR, Mg ions also reduced the electron binding energy of oxygen on the sample surface and increased the migration rate of lattice oxygen. Compared with LSFC and Li-LSFC, the interstitial doping Mg-LSFC exhibited higher average methane conversion up to 98.66%, accompanying with 78.15% hydrogen content. Furthermore, the average yield of hydrogen of Mg-LSFC increased from 1.60 ml to 2.25 ml per 1 ml of methane when 0.02 g/min water participated in the reaction. Besides, the stability of Mg-LSFC was also proved by thermogravimetric experiments and fixed bed pulse experiments. Based on the experiment results, the reaction mechanism for methane activation was discussed to further providing a pathway to effectively enhance the hydrogen-rich syngas generation. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
关键词Interstitial doping Chemical looping Methane reforming Perovskite Hydrogen-rich gas
DOI10.1016/j.ijhydene.2019.03.012
关键词[WOS]PEROVSKITE-TYPE OXIDES ; MACROPOROUS LAFEO3 PEROVSKITES ; OXYGEN-CARRIER ; OXIDATIVE DEHYDROGENATION ; SYNTHESIS GAS ; FUEL-CELLS ; PERFORMANCE ; SOFC ; REDUCTION ; STABILITY
收录类别SCI
语种英语
资助项目National Key Research and Development Program of China[2017YFE0105500] ; National Natural Science Foundation of China[51876205] ; Science & Technology Research Project of Guangdong Province[2015A010106009]
WOS研究方向Chemistry ; Electrochemistry ; Energy & Fuels
项目资助者National Key Research and Development Program of China ; National Natural Science Foundation of China ; Science & Technology Research Project of Guangdong Province
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS记录号WOS:000466618300011
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/24955
专题中国科学院广州能源研究所
通讯作者Zhao, Kun; He, Fang
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Guilin Univ Technol, Coll Chem & Bioengn, Guilin 541004, Peoples R China
6.Collaborat Innovat Ctr Biomass Energy, Zhengzhou 450002, Henan, Peoples R China
第一作者单位中国科学院广州能源研究所
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GB/T 7714
Li, Ming,Zhao, Kun,Zhao, Zengli,et al. Enhanced hydrogen-rich syngas generation in chemical looping methane reforming using an interstitial doped La1.6Sr0.4FeCoO6[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2019,44(21):10250-10264.
APA Li, Ming,Zhao, Kun,Zhao, Zengli,Li, Haibin,He, Fang,&Lu, Pengmei.(2019).Enhanced hydrogen-rich syngas generation in chemical looping methane reforming using an interstitial doped La1.6Sr0.4FeCoO6.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,44(21),10250-10264.
MLA Li, Ming,et al."Enhanced hydrogen-rich syngas generation in chemical looping methane reforming using an interstitial doped La1.6Sr0.4FeCoO6".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 44.21(2019):10250-10264.
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