Preparation of flow charts and partial electrochemical properties of Co3O4 @MWNTs from Three-dimensional Co3O4@MWNTs nanocomposite with enhanced electrochemical performance for nonenzymatic glucose biosensors and biofuel cells

1. Schematic illustration of hydrothermal synthesis of the Co3O4@MWNTs in the enlarged view. 2. CVs of Co3O4 @MWNTs with different scan rates. 3. CVs of Co3O4 @MWNTs (blue line) and Co3O4(red line) in 0.1M KOH.