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Hebb-Wagner polarization assessment of enhanced oxygen permeability for surface modified oxygen transport membranes
Liu, Xuejiao1,2; Wu, Hao1; He, Zhenyu3; Gao, Jun1,2; Meng, Xie1; Luo, Ting1; Chen, Chusheng3; Zhan, Zhongliang1
2017
发表期刊International Journal of Hydrogen Energy
ISSN03603199
卷号42期号:29页码:18410-18416
摘要Tri-layered “porous | dense | porous” La0.8Sr0.2Cr0.5Fe0.5O3−δ-Zr0.84Y0.16O2−δ(LSCrF-YSZ) oxygen transport membranes (OTMs) were fabricated and permeation resistances from oxygen reduction and evolution reactions were determined by using Hebb-Wagner polarization method after introducing additional electron-blocking YSZ thin layers within the dense LSCrF-YSZ layers. Adding nano-scale catalysts, i.e. La0.6Sr0.4Co0.2Fe0.8O3−δ(LSCoF) on air side and Ce0.8Sm0.2O1.9−δ/Ni (SDC/Ni) on CH4side, into the porous LSCrF-YSZ layers yielded substantially reduced interfacial polarization resistances, and thereby allowed for high oxygen permeability at reduced temperatures under the air/CH4gradient, e.g., 1.1 and 4.3 ml cm−2min−1at 650 and 800 °C, respectively. Analysis of the impedance spectra suggest that the oxygen reduction kinetics on air side was probably limited by charge transfer reaction at T ≥ 750 °C and surface oxygen exchange at T ≤ 700 °C. Meanwhile, oxygen evolution reactions on CH4side dominated the total resistances to oxygen permeation through the tri-layered OTMs. © 2017 Hydrogen Energy Publications LLC
DOI10.1016/j.ijhydene.2017.03.206
EI入藏号20171603585170
EI主题词Oxygen
EI分类号761 Nanotechnology - 801.4 Physical Chemistry - 802.1 Chemical Plants and Equipment - 802.2 Chemical Reactions - 804 Chemical Products Generally - 804.2 Inorganic Compounds
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25861
专题中国科学院上海硅酸盐研究所
作者单位1.CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), 1295 Dingxi Road, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science & Engineering, University of Science & Technology of China (USTC), Hefei; 230026, China
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Liu, Xuejiao,Wu, Hao,He, Zhenyu,et al. Hebb-Wagner polarization assessment of enhanced oxygen permeability for surface modified oxygen transport membranes[J]. International Journal of Hydrogen Energy,2017,42(29):18410-18416.
APA Liu, Xuejiao.,Wu, Hao.,He, Zhenyu.,Gao, Jun.,Meng, Xie.,...&Zhan, Zhongliang.(2017).Hebb-Wagner polarization assessment of enhanced oxygen permeability for surface modified oxygen transport membranes.International Journal of Hydrogen Energy,42(29),18410-18416.
MLA Liu, Xuejiao,et al."Hebb-Wagner polarization assessment of enhanced oxygen permeability for surface modified oxygen transport membranes".International Journal of Hydrogen Energy 42.29(2017):18410-18416.
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