Journal
RSC ADVANCES
Volume 7, Issue 66, Pages 41847-41854Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra08422f
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Funding
- National Natural Science Foundation of China [21427804]
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Exploring low-cost catalysts with low carbon deposition and high activity for dry reforming of methane (DRM) is of great importance in both industrial and academic fields. La-2(Ni(1-x)Cux)O-4 (x = 0.0-0.4) perovskites were synthesized by a sol-gel self-combustion method and evaluated as catalyst precursors for DRM. The reduced La-2(Ni0.8Cu0.2)O-4 shows optimal performance with negligible carbon deposition, and the conversions of CH4 and CO2 are 73% and 80%, respectively. The remarkably improved carbon resistance of the reduced La-2(Ni0.8Cu0.2)O-4 is attributed to the small metallic particles obtained from the reduced perovskite and the surface segregation of Cu in the metallic Ni-Cu particles.
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