Figure 1From: Structural characterization and electrochemical properties of Co3O4 anode materials synthesized by a hydrothermal methodXRD patterns of samples calcined at 200°C for 3 h prepared under different reaction conditions. (a) 150°C for 20 h, (b) 180°C for 12 h, (c) 200°C for 6 h, (d) 200°C for 10 h, (e) 200°C for 12 h, and (f) 250°C for 6 h.Back to article page