Abstract
Advances in energy storage and energy conversion play an essential role nowadays because the energy demands are becoming greater than ever. To overcome the actual performances of the materials used to build supercapacitors, a combination of transition metal dichalcogenides (TMDCs) and graphene oxide (GO) or reduced graphene oxide (rGO) as graphene-based structures are often studied for their excellent properties, such as high specific area and good electrical conductivity. Nevertheless, synthesis pathways and parameters play key roles in obtaining better materials as components for supercapacitors with higher technical performances. Driven by the desire to understand the influence of the structural and morphological particularities on the performances of supercapacitors based on MoS2/graphene oxide (GO) composites, a survey of the literature was performed by pointing out the alterations induced by different synthesis pathways and key parameters to the above-mentioned particularities.
Highlights
In the last few years, due to the advances in the current technologies such as electric/hybrid powered vehicles and day to day electronics, there has grown a high demand for energy storage systems with high power and energy density combined with a long lifespan
That there composites from the perspective of the improvement of supercapacitor In is a real interest to understand the synthesis pathways and parameters that lead to the this respect, this review proposes, based on a comprehensive survey of the literature, to alteration of the morphological, structural and surface particularities of the MoS2 -graphene oxide (GO)
One of the parameters that influences the morphology and properties of the composites is the reaction time of the hydrothermal process that affects directly the morphology of MoS2, which can vary from nanosheets, or nanospheres to flower-like hierarchical structures [36,37]
Summary
In the last few years, due to the advances in the current technologies such as electric/hybrid powered vehicles and day to day electronics, there has grown a high demand for energy storage systems with high power and energy density combined with a long lifespan. That there composites from the perspective of the improvement of supercapacitor In is a real interest to understand the synthesis pathways and parameters that lead to the this respect, this review proposes, based on a comprehensive survey of the literature, to alteration of the morphological, structural and surface particularities of the MoS2 -GO bring more light to these above-mentioned aspects by presenting the existent correlations composites from the perspective of the improvement of supercapacitor performances. Several promising electrode of MoS2 /MoS2 -rGO composites will be discussed, with an emphasis on the essential material results in terms of specific capacitance and cycle stability will be further pointed properties required for designing efficient supercapacitors. The addition of graphene materials can increase the composite’s electrical conductivity as a result of the rGO formation after hydrothermal treatment is applied, which turns this type of carbonic structure into a strong competitor for the novel electrode materials for energy storage cells [6,37,41]
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