Metal-doped graphene nanocomposites and their application in energy storage (original) (raw)

Graphene-Based Nanotechnologies for Energy and Environment, 2019

Abstract

Abstract In the last few decades, graphene-based nanocomposites have developed great interest in research activities due to their unique properties of catalysis, energy storage, separation and sensing, etc. Among these properties, energy storage application of metal-doped graphene-based nanocomposite has received immense notice because of the energy crisis all over the world. In comparison to undoped graphene, the graphene-based nanocomposite doped with different materials (metals, metal oxides, sulfides, alloys, and polymeric materials) are more efficient for energy storage purposes. In this chapter, we present an overview on metal-doped graphene-based nanocomposites and also highlight the future challenges and their application for energy storage including hydrogen storage and other gases, supercapacitors and lithium–sulfur, lithium–ion, lithium–air batteries, and conversion (oxygen reduction reaction for fuel cells). The chapter further discusses the valuable properties of graphene nanocomposites such as porosity, availability of free electron, large surface area, etc. These properties offered a valuable direction in the designing of devices which can produce as well as store energy.

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