Large-scale ZnCo2O4 nanospheres with an average diameter of 350 nm were developed via a hydrothermal method. By adjusting the molar ratio of polyvinyl pyrrolidone (PVP), the ZnCo2O4 nanospheres can be facilely… Click to show full abstract
Large-scale ZnCo2O4 nanospheres with an average diameter of 350 nm were developed via a hydrothermal method. By adjusting the molar ratio of polyvinyl pyrrolidone (PVP), the ZnCo2O4 nanospheres can be facilely designed. Meanwhile, controlled experiment factors, namely the concentration of reagents, play important roles in the formation of the nanospheres. The possible mechanism for the nanostructures formation was discussed. In addition, when tested as anode materials for lithium-ion batteries, these ZnCo2O4 nanospheres have exhibited excellent lithium-storage performance.
               
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