MoS₂ mediated tuning of CuCo₂S₄–MoS₂ nanocomposites for high-performance symmetric hybrid supercapacitors

Abstract

In this investigation, molybdenum disulfide (MoS2) nanosheets, copper cobalt sulfide (CuCo2S4) nanomaterial, and MoS2 incorporated CuCo2S4-MoS2 nanocomposites were synthesized as an electrode material for hybrid supercapacitors. The concentrations of MoS2...

B-site disorder driven Griffiths-like phase and electrochemical behavior in Y2NiCrO6 double perovskite

“…This increased diffusion rate enables ions to reach the electrode surface more quickly, thereby facilitating more rapid accumulation or release of charge [83]. The corresponding specific capacitance at various current densities of the synthesized YNCO electrode material was calculated by using the following relations [52,84,85]:…”

“…This figure shows that the charging-discharging time decreases with increasing current density. The values of specific capacitance at different current densities were calculated using the following equation [52] and shown in figure 7(c)…”

“…The energy and power density of YNCO electrode materials were calculated using equations ( 15) and ( 16), respectively, and the obtained results are displayed in figure 8(b) through the Ragone plot. It may be noted here that the Ragone plot is a graphical representation that shows the trade-off between energy density and power density in energy storage systems [52,89,90] E sp = C sp (∆V) 2 × 1000 8 × 3600 (15)…”

“…Notably, in practical device applications, a symmetric twoelectrode system is more beneficial than three-electrode systems due to their cost efficiency, ease of integration, etc [52,53]. It is important to highlight that most of the previous research has examined Y-based double perovskites as electrode materials within the context of three-electrode system [32][33][34][35][36].…”