Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 29, Issue 8, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201807519
Keywords
metal oxides; methane oxidation; nanomaterials; non-noble-metal catalysis
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Funding
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- Westport Fuel Systems Inc.
- UBC
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Bowtie-shaped NiCo2O4 nanostructures are prepared using a hydrothermal method. Variation of the synthesis parameters, including reaction time, additives, and calcination temperature, allows an understanding of the origin of the bowtie-shaped structure to be developed. Methane oxidation experiments performed using temperature-programed oxidation (TPO) show that the new materials, which do not contain precious metals, have excellent activity for low-temperature methane combustion, with 100% conversion at approximate to 410 degrees C (gas hourly space velocity (GHSV): 90 000 mL (STP) g(-1) h(-1)). The structure-activity relationships of the bowtie-shaped nanostructures are explored.
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