Abstract
A zeolitic imidazolate framework (ZIF)/graphene composite was prepared by the solvothermal reaction using different concentrations of graphene oxide to investigate the effect of graphene addition on the electroactivity of the composite. Field emission scanning electron microscopy (FE-SEM), field emission transmission electron microscopy (FE-TEM), and X-ray diffraction (XRD) were conducted to determine the morphology and micro-structure of the composite. Electrochemical characterizations were measured using the CR2016 type coin cell test. Based on the electrochemical properties and structural characteristics of the composite, the roles and effects of graphene in ZIF/graphene composite were studied. The concentration of graphene oxide used during the synthesis process affect the initial specific capacity and cycle performance of the composite.
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