Themed collection Supercapacitors for a sustainable energy future

7 items
Open Access Paper

Covalent grafting of redox-active sites onto MXenes with spinel ACo2O4 (A = Zn, Cu) integration for tailored interfacial charge storage in high-performance supercapacitors

Sulphonate-functionalised MXene anchored with spinel ACo2O4 nanostructures enables synergistic charge transfer, enhanced capacitance, and long-term stability, advancing MXene-based supercapacitors for efficient next-generation energy storage.

Graphical abstract: Covalent grafting of redox-active sites onto MXenes with spinel ACo2O4 (A = Zn, Cu) integration for tailored interfacial charge storage in high-performance supercapacitors
From the themed collection: Journal of Materials Chemistry A HOT Papers
Paper

Interface-engineered Co-Ni-S composite electrode for ultrahigh capacitance and water oxidation

Interface-engineered Co-Ni-S composite multifunctional electrode materials for next-generation energy storage and water splitting.

Graphical abstract: Interface-engineered Co-Ni-S composite electrode for ultrahigh capacitance and water oxidation
Open Access Paper

Sustainable synthesis of α-alumina nanoparticles: a comparative study of base-mediated crystallization via co-precipitation

The choice of base controls the crystallite size, purity, and stability of α-Al2O3 NPs.

Graphical abstract: Sustainable synthesis of α-alumina nanoparticles: a comparative study of base-mediated crystallization via co-precipitation
Open Access Paper

A sustainable and cost-effective industrial biomass-based coin cell supercapacitor for powering up electronic devices

Transforming industrial waste into an energy storage device addresses two key challenges: reducing industrial waste and providing a sustainable, low-cost material to meet global energy demands.

Graphical abstract: A sustainable and cost-effective industrial biomass-based coin cell supercapacitor for powering up electronic devices
Paper

High-density electrostatic energy storage in a multi-layer P(VDF-TrFE-CFE)/2D mica nanocomposite heterostructure capacitor

(a) Discharge energy density and efficiency of the PTC/2D Mica/PTC heterostructure capacitor shows an energy density as high as 50 J cm−3 at E = 700 MV m−1 and an efficiency of 80%. (b) Shows the discharge time of the capacitor is 6.68 μs.

Graphical abstract: High-density electrostatic energy storage in a multi-layer P(VDF-TrFE-CFE)/2D mica nanocomposite heterostructure capacitor
Paper

Advanced symmetric supercapacitor of spinel NiCo2O4-incorporated 2D g-C3N4 electrodes in a PVA–KOH gel-electrolyte-based pouch cell

Synergistic nanocomposite of g-C3N4 and NiCo2O4 balances individual limitations, enhancing performance in a symmetric pouch cell.

Graphical abstract: Advanced symmetric supercapacitor of spinel NiCo2O4-incorporated 2D g-C3N4 electrodes in a PVA–KOH gel-electrolyte-based pouch cell
Paper

Upcycling of electric arc furnace dust into ZnO–Fe3O4 nanocomposites for high-performance supercapacitor applications

ZnO–Fe3O4 obtained from electric arc furnace dust revealed the following properties as an asymmetric supercapacitor; Cs = 35.2 mF cm−2, E = 25.03 μWh cm−2, P = 430.81 μW cm−2, and 81% capacitance retention after 7000 cycles.

Graphical abstract: Upcycling of electric arc furnace dust into ZnO–Fe3O4 nanocomposites for high-performance supercapacitor applications
7 items

About this collection

This collection in Journal of Materials Chemistry A and Materials Advances is guest edited by Dr. Subrata Kundu (Central Electrochemical Research Institute, India), Prof. Chandra Sekhar Rout (Jain University, India) and Prof. Yusuke Yamauchi (The University of Queensland, Australia).

This themed collection highlights the latest breakthroughs in supercapacitor technology, addressing the critical need for safe, affordable, and sustainable large-scale energy storage solutions. This collection aims to serve as a platform for cutting-edge research that deepens the fundamental understanding and promotes the practical application of supercapacitors toward a sustainable energy future.

Spotlight

Advertisements