Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 44, Pages 13876-13881Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201704704
Keywords
C-H activation; heterogeneous catalysis; Lewis acids; methane; nickel
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Funding
- Petroleum Research Fund of the American Chemical Society [53873]
- U.S. Department of Energy (DOE) Office of Basic Energy Sciences [DE-SC0016486]
- DOE Office of Science [DE-AC02-060CH11357]
- DOE's Office of Biological and Environmental Research
- U.S. Department of Energy (DOE) [DE-SC0016486] Funding Source: U.S. Department of Energy (DOE)
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The conversion of methane into alcohols under moderate reaction conditions is a promising technology for converting stranded methane reserves into liquids that can be transported in pipelines and upgraded to value-added chemicals. We demonstrate that a catalyst consisting of small nickel oxide clusters supported on ceria-zirconia (NiO/CZ) can convert methane to methanol and ethanol in a single, steady-state process at 723K using O-2 as an abundantly available oxidant. The presence of steam is required to obtain alcohols rather than CO2 as the product of catalytic combustion. The unusual activity of this catalyst is attributed to the synergy between the small Lewis acidic NiO clusters and the redoxactive CZ support, which also stabilizes the small NiO clusters.
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