Synthesis, Characterization and Catalytic Performence of La1-xCexSrNiO4(0≤x≤0.7) in NOx Decomposition

Abstract

Abstract: A series of La_1-xCe_xSrNiO₄(0≤x≤0.3) oxides were synthesized through the citric method. It was found that the content of Ce in A-site of La_1-xCe_xSrNiO₄ could reach 30%. When La was partly replaced by Ce in La_0.7Ce_0.3SrNiO₄, the catalytic activity of NO decomposition was obviously improved not only in the absence of oxygen, but also in the presence of oxygen. The activity of La_0.7Ce_0.3SrNiO₄ in NO decomposition reached 42.2%(1 123 K)in the presence of 6.0%O₂, which indicated that La_1-xCe_xSrNiO₄ was a potential catalyst for NO removal.

Key words: Ce, La 1-xCexSrNiO₄, NO decomposition

CLC Number:

O643

TrendMD:

ZHU Jun-Jiang, XIAO De-Hai, LI Jing, YANG Xiang-Guang, WU Yue . Synthesis, Characterization and Catalytic Performence of La_1-xCe_xSrNiO₄(0≤x≤0.7) in NO_x Decomposition[J]. Chem. J. Chinese Universities, 2005, 26(3): 503.

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Synthesis, Characterization and Catalytic Performence of La_1-xCe_xSrNiO₄(0≤x≤0.7) in NO_x Decomposition

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