Animal- and Human-Inspired Nanostructures as Supercapacitor Electrode Materials: A Review

Abstract

Human civilization has been relentlessly inspired by the nurturing lessons; nature is teaching us. From birds to airplanes and bullet trains, nature gave us a lot of perspective in aiding the progress and development of countless industries, inventions, transportation, and many more. Not only that nature inspired us in such technological advances but also, nature stimulated the advancement of micro- and nanostructures. Nature-inspired nanoarchitectures have been considered a favorable structure in electrode materials for a wide range of applications. It offers various positive attributes, especially in energy storage applications, such as the formation of hierarchical two-dimensional and three-dimensional interconnected networked structures that benefit the electrodes in terms of high surface area, high porosity and rich surface textural features, and eventually, delivering high capacity and outstanding overall material stability. In this review, we comprehensively assessed and compiled the recent advances in various nature-inspired based on animal- and human-inspired nanostructures used for supercapacitors. This comprehensive review will help researchers to accommodate nature-inspired nanostructures in industrializing energy storage and many other applications.

Materials for electrocatalysts in proton exchange membrane fuel cell: A brief review

“…Some researchers argued that Pt disintegrate due to change in cell potential, other researchers asserted that the discrepancy in anodic and cathodic charges is the cause of the disintegration (Okonkwo et al, 2021). With the disparity in the potential ranges at which Pt disintegration occurs in PEMFC operation, factors such as particles size and morphology play important role in the disintegration of Pt (Lopes et al, 2020;Hussain et al, 2022). To address these challenges, promising strategies (Figure 3) such as alloying Pt with transition metals has been suggested as an effective method to reduce the usage of the scarce and expensive precious metal as electrocatalyst without loss in its performance (Bhoyate et al, 2023).…”

Innovative solvent-free compound-direct synthesis of defect-rich ultra-thin NiS nanosheets for high-performance supercapacitors

“…1,2 Electrode materials, the heart of charge storage, have been the focus of research in the field of supercapacitors. 3,4 Although a wide variety of electrode materials for supercapacitors has been reported, researchers are still working to develop universal, easy-to-process, and lowcost synthesis strategies in order to advance the industrialization of supercapacitors. 5,6 As one of the most widely reported electrode materials, transition metal sulfides, especially nickel sulfide, has the advantages of an adjustable valence state, diverse morphology and structures, rich and adjustable phase, and high electronic conductivity 7,8 and is recognized as the most ideal electrode material for supercapacitors.…”

Enhanced-Performance Asymmetric Supercapacitor Based on a Multidimensional Hierarchically Assembled NiMoO4/ZnMoO4/NF Electrode

“…The asymmetric supercapacitors (ASCs) become one of the effective ways to increase the energy density via extending the operating voltage of SCS. Designing the novel cathode electrode structures was an effective pathway to ensure the overall performance exerting on ASC. , For example, 1D nanostructures with short electronic pathways/ion diffusion lengths, 2D nanoarchitectures with high surface area and porosity, and 3D interconnected network structures endow the electrode materials with a high capacity and outstanding overall structural stability.…”