Bowtie‐Shaped NiCo2O4 Catalysts for Low‐Temperature Methane Combustion

• DOI: 10.1002/adfm.201807519
• Publication Date: 2019-01-09T12:18:17Z
• Authors: Yiling Dai; Vanama Pavan Kumar; Chujie Zhu; Haiyan Wang; Kevin J. Smith; Michael O. Wolf; Mark J. MacLachlan
• Keywords: Space velocity

Abstract Bowtie‐shaped NiCo 2 O 4 nanostructures are prepared using a hydrothermal method. Variation of the synthesis parameters, including reaction time, additives, and calcination temperature, allows an understanding origin bowtie‐shaped structure to be developed. Methane oxidation experiments performed temperature‐programed (TPO) show that new materials, which do not contain precious metals, have excellent activity for low‐temperature methane combustion, with 100% conversion at ≈410 °C (gas hourly space velocity (GHSV): 90 000 mL (STP) g −1 h ). The structure–activity relationships explored.