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Graphene Nanocomposites as Innovative Materials for Energy Storage and Conversion-Design and Headways

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MDPI
DOI: 10.3390/ijms241411593

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graphene; nanocomposite; polymer; energy storage; conversion; supercapacitor; batteries; fuel cell

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This review focuses on the applications of polymer/graphene nanocomposites in energy storage and conversion devices such as supercapacitors, Li-ion batteries, and fuel cells. Graphene's unique structure and features make it an indispensable material among carbon nanomaterials. Graphene-based nanocomposites provide advanced properties such as high surface area, electron conductivity, capacitance, energy density, charge-discharge, cyclic stability, and power conversion efficiency for efficient energy devices. Furthermore, these nanocomposites exhibit superior microstructure, mechanical robustness, and heat stability. Despite their essential features, overcoming challenges is necessary to achieve advanced device performance.
This review mainly addresses applications of polymer/graphene nanocomposites in certain significant energy storage and conversion devices such as supercapacitors, Li-ion batteries, and fuel cells. Graphene has achieved an indispensable position among carbon nanomaterials owing to its inimitable structure and features. Graphene and its nanocomposites have been recognized for providing a high surface area, electron conductivity, capacitance, energy density, charge-discharge, cyclic stability, power conversion efficiency, and other advanced features in efficient energy devices. Furthermore, graphene-containing nanocomposites have superior microstructure, mechanical robustness, and heat constancy characteristics. Thus, this state-of-the-art article offers comprehensive coverage on designing, processing, and applying graphene-based nanoarchitectures in high-performance energy storage and conversion devices. Despite the essential features of graphene-derived nanocomposites, several challenges need to be overcome to attain advanced device performance.

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