A K2NiF4-type La2Li0.5Al0.5O4 catalyst for the oxidative coupling of methane (OCM)

Title
A K2NiF4-type La2Li0.5Al0.5O4 catalyst for the oxidative coupling of methane (OCM)
Authors
하정명Dahye KwonInchan YangYujin SimJi Chul Jung
Keywords
La2Li0.5Al0.5O4; K2NiF4-type structure; Oxidative coupling of methane; Surface lattice oxygen; C2-selectivity
Issue Date
2019-08
Publisher
Catalysis communications
Citation
VOL 128-105702
Abstract
In this study, the significant activity and noticeable C2-selectivity of a La2Li0.5Al0.5O4 catalyst with a K2NiF4-type structure in the oxidative coupling of methane (OCM) was reported for the first time. The high C2-selectivity of the La2Li0.5Al0.5O4 catalyst originated from its abundance of electrophilic lattice oxygen species, which facilitated the selective formation of C2-hydrocarbons from methane. Although the activity of the La2Li0.5Al0.5O4 catalyst changed slightly owing to its gradual structural change into LaAlO3 perovskite during OCM, it is highly significant that this catalyst, with a K2NiF4-type structure, appears as a potentially promising catalyst for the OCM reaction.
URI
http://pubs.kist.re.kr/handle/201004/69915
ISSN
1566-7367
Appears in Collections:
KIST Publication > Article
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