Hollow porous CuO/C composite microcubes derived from metal-organic framework templates for highly reversible lithium-ion batteries

Hollow porous CuO/C composite microcubes are prepared by controlled pyrolysis of [Cu3(btc)2]n (btc = benzene-1, 3, 5-tricarboxylate) metal-organic frameworks (MOFs). SEM and TEM images indicate that the as-prepared CuO/C microcubes possess uniform appearance with hollow porous structures. Electrochemical measurements show that the hollow porous CuO/C composite microcubes deliver a highly reversible capacity of 510.5 mA h g−1 after 200 cycles at...