Graphene-Metal Oxide Nanocomposites: Empowering Next-Generation Energy Storage Devices

Abstract

Recently the demand of efficient and sustainable energy storage devices has grown exponentially due to the increasing global energy consumption and people are shifting towards renewable energy sources. Graphene exhibited significant properties due to its high electrical conductivity, large surface area, mechanical strength and chemical stability. This review paper provides a comprehensive analysis of the synthesis and application of graphene-based metal oxides, focusing on their potential for empowering next-generation energy storage devices. The advantages and limitations of each method are discussed, emphasizing the role of parameters along their influence on morphology, crystallinity, and electrochemical performance. We also cover recent advancements in scalable and environmentally friendly synthetic routes, which are crucial for the large-scale production of graphene-metal oxide composites. Furthermore, this study discusses the recent advancement in the application of graphene-based metal oxide in sodium-ion batteries, lithium-ion batteries, super capacitors, and metal-air batteries. The review explores, how the incorporation of graphene-metal oxide nanocomposites can enhance energy storage capacities, rate capabilities, and cycling stability. In conclusion, the review underscores the potential of graphene-based metal oxide composites as promising materials for next-generation energy storage devices to meet the ever-growing demands of energy storage systems.