Multifunctional energy storage polymer composites: The role of nanoparticles in the performance of structural supercapacitors

Csvila, Péter and Czigány, Tibor (2024) Multifunctional energy storage polymer composites: The role of nanoparticles in the performance of structural supercapacitors. EXPRESS POLYMER LETTERS, 18 (10). pp. 1023-1038. ISSN 1788618X

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Abstract

The article gives an overview of energy storage composites, their materials, manufacturing processes, and applications. Carbon- and metal-based nanoparticles and their relevant properties are presented. We focus on multifunctional structural supercapacitors and their components. Thus, we describe the main structural electrolytes and elements of the structural electrodes. We show that the nanoparticles significantly influence the electrochemical properties of the electrode. For example, carbon-based nanoparticles can achieve low energy density but high power density, while the opposite is true for metal-based nanoparticles. We show that when carbon- and metal-based nanoparticles are used together, a positive synergy is created between them, promoting the development of favorable electrochemical properties in the electrodes. Furthermore, we present structural supercapacitors and possible ways to introduce nanoparticles into the system. Finally, we present a summary of the progress achieved so far and the advancements expected in the future, as well as potential areas where structural supercapacitors could be used.

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