A series of interlaced 'tripe-shaped' nanoflake catalysts made of CuMnOwereprepared on Ti mesh substrate through the associated methods of plasma electrolyte oxidation and hydrothermal technique. The surface morphology, elemental distribution and chemical state, phase composition and microstructure of CuMnOnanostructures prepared under different conditions were systemically investigated. To evaluate the catalytic activity, the CO oxidation as a probe reaction was used, and the results showed that 12h-Cu1Mn2-300 (hydrothermal reaction at 150 °C for 12 h, Cu/Mn = 1/2 in initial precursor, heat treatment temperature at 300 °C) exhibited the best CO oxidation capability with= 150 °C owe to the formation of uniform CuMnOnanosheet layersgrown on flexible Ti mesh and the synergistic effect of Cu and Mn species in spinel CuMnO, which makes it more active towards CO oxidation than pure copper/manganese oxides.
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