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MOF-derived CoS2 porous nanocubes assembled on graphene oxide nanosheets as electrode for supercapacitor applications

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MOF (Co3[Fe(CN)6]2)-derived porous nanocube-like CoS2 is coupled with GO via solution-precipitation and chemical replacement method. Due to the proper loading and structure adjusting of CoS2, the prepared nanocomposites show a… Click to show full abstract

MOF (Co3[Fe(CN)6]2)-derived porous nanocube-like CoS2 is coupled with GO via solution-precipitation and chemical replacement method. Due to the proper loading and structure adjusting of CoS2, the prepared nanocomposites show a maximum specific capacitance of 842 F g−1 at 0.5 A g−1, high-rate stability (capacity retention of 77% from 0.5 up to 10 A g−1), and long-cycle life stability (capacity retention of 95% over 2000 cycles).

Keywords: assembled graphene; nanocubes assembled; porous nanocubes; mof derived; derived cos2; cos2 porous

Journal Title: Ionics
Year Published: 2019

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