Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 179, Issue -, Pages 122-127Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2015.05.018
Keywords
Dry reforming of methane (DRM); Nickel oxide; Atomic layer deposition (ALD); Nanoparticles; Core-shell structures
Funding
- Cluster of Excellence Unifying Concepts in Catalysis (UniCat)
- Center for Catalysis and Surface Science of Northwestern University
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Alumina coated nickel nanoparticles were prepared employing atomic layer deposition (AD) on nickel oxide (NiO) nanoparticles and subsequent reduction of the NiO core. The materials showed impressive activity and stability for dry reforming of methane at elevated temperatures (700-800 degrees C), especially when compared to the uncoated and reduced NiO nanoparticles. The stabilization against sintering at high temperatures is the crucial factor explaining the high catalytic activity of alumina coated Ni nanoparticles. (C) 2015 Elsevier B.V. All rights reserved.
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