Novel oxygen storage mechanism based on redox of sulfur in lanthanum oxysulfate/oxysulfide

Literature Information

Publication Date 2004-02-10
DOI 10.1039/B315839J
Impact Factor 6.222
Authors

Masato Machida, Kiyotaka Kawamura, Kazuhiro Ito


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Abstract

A sulfur redox cycle between La2O2SO4(S6+) and La2O2S(S2−) phases was found for the first time to achieve the oxygen storage of 2 mol O2 mol−1, which is eight times larger than that of the conventional CeO2–ZrO2 system.

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