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Novel Quaternary Chalcogenide/Reduced Graphene Oxide-Based Asymmetric Supercapacitor with High Energy Density

By Sarkar, Samrat; Howli, Promita; Das, Biswajit; Das, Nirmalya Sankar; Samanta, Madhupriya; Das, G. C.; Chattopadhyay, K. K.
Published in ACS Applied Materials & Interfaces

Abstract

In this work we have synthesized quaternary chalcogenide Cu2NiSnS4 (QC) nanoparticles grown in situ on 2D reduced graphene oxide (rGO) for application as anode material of solid-state asymmetric supercapacitors (ASCs). Thorough characterization of the synthesized composite validates the proper phase, stoichiometry, and morphology. Detailed electrochemical study of the electrode materials and ASCs has been performed. The as-fabricated device delivers an exceptionally high areal capacitance (655.1 mF cm

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