凯发

Developing new electrode materials with excellent lithium ion storage properties is very desirable. 1 Here, a sponge-like morphology of three dimensional (3D) mesoporous Mn3O4/graphene composite with a high specific surface area (183m2g-1) and hierarchical porous distributions has been successfully synthesized by a facile oil method. due to its unique features, the obtained 3D network composite exhibits enhanced electrochemical performance. As a lithium ion anode material, its capacity is as high as 1530 mAh g-1 at 50 m A g-1. Furthermore, it also deliver a stable reversible capacity of 530 mA h g-1 at a current density of 1A g-1 even after 100 cycles, which is ~3 times of those of pure Mn3O4 electrode. The comparable property indicates that such a 3D network Mn3O4/graphene may also be a very promising candidate material for lithium battery besides supercapacitors, catalytic material.