Novel oxygen storage mechanism based on redox of sulfur in lanthanum oxysulfate/oxysulfide
Masato Machida,Kiyotaka Kawamura,Kazuhiro Ito
Chemical Communications Pub Date : 02/10/2004 00:00:00 , DOI:10.1039/B315839J
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.
