Abstract
Metal carbides are emerging as promising anodes for advanced lithium ion batteries (LIBs). Herein we report reduced graphene oxide (RGO) supported molybdenum carbides (Mo2C) integrated electrode by the combination of solution and carbothermal methods. In the designed integrated electrode, Mo2C nanoparticles are uniformly dispersed among graphene nanosheets, forming a unique sheet-on-sheet integrated nanostructure. As anode of LIBs, the as-prepared Mo2C-RGO integrated electrode exhibits noticeable electrochemical performances with a high reversible capacity of 850mAhg−1 at 100mAg−1, and 456mAhg−1 at 1000mAg−1, respectively. Moreover, the Mo2C-RGO integrated electrode shows excellent cycling life with a capacity of ∼98.6 % at 1000mAg−1 after 400 cycles. Our research may pave the way for construction of high-performance metal carbides anodes of LIBs.
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