Synthesis and Electrochemical Properties of ACNF/Li2MnSiO4 for Energy Storage Devices

Abstract

This work report the synthesis and electrochemical properties of porous carbon nanofibers composited with lithium manganese silicate (ACNF/Li₂MnSiO₄) as electrode material for energy storage devices. The obtained samples were characterized by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and Brunauer-Emmett-Teller analyzer (BET). The electrochemical properties were investigated using cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) and electrochemical impedance spectroscopy (EIS).  The benefits of ACNF/Li₂MnSiO₄ electrode with maximum surface area and high electrical conductivity leading to enhanced the electrochemical performance. The specific capacity of 217.8 F g^-1 at 0.25 A g^-1 and 176.4 F g^-1 at 2 mV s-¹ higher than their pure state (ACNF and Li₂MnSiO₄). Good cycling stability of ACNF/Li₂MnSiO₄ electrode over 90% was observed after 1500 cycles. The fascinating electrochemical properties of this composite nanostructure makes it a potential candidate for high performance energy storage devices.