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- Title
Scalable Integration of Highly Uniform Mn<sub> x</sub>Co<sub>3− x</sub>O<sub>4</sub> Nanosheet Array onto Ceramic Monolithic Substrates for Low-Temperature Propane Oxidation.
- Authors
Tang, Wenxiang; Ren, Zheng; Lu, Xingxu; Wang, Sibo; Guo, Yanbing; Hoang, Son; Du, Shoucheng; Gao, Pu‐Xian
- Abstract
The redox reaction between KMnO4 and Co(NO3)2 was designed and readily utilized for the scalable integration of spinel Mn xCo3− xO4 nanosheet arrays in three-dimensional ceramic honeycombs by controlling the reaction temperature. The Co2+ can reduce MnO4− to form Mn-Co spinel oxide nanosheet arrays uniformly on the channel surface of cordierite honeycomb. The novel platinum group metal free oxide nanosheet array integrated ceramic honeycomb monolith shows good low-temperature catalytic activity for propane oxidation, with the 50 % conversion temperature achieved at 310 °C, which is a much lower temperature than that over the wash-coated commercial Pt/Al2O3. These integrated Mn-Co composite oxide nanoarrays may hold great promise for the construction of advanced monolithic catalyst for high-performance and low-cost emission control.
- Subjects
NANOSTRUCTURED materials synthesis; MANGANESE oxides; COBALT oxides; OXIDATION of propane; CERAMIC materials; LOW temperatures; OXIDATION-reduction reaction; CATALYTIC activity
- Publication
ChemCatChem, 2017, Vol 9, Issue 21, p4112
- ISSN
1867-3880
- Publication type
Article
- DOI
10.1002/cctc.201700795