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Performance of Supercapacitors for Energy Technologies and Applications

A Special Issue of Materials (ISSN 1996-1944) belonging to the section "Energy Materials".

Deadline for manuscript submissions: 20 October 2026 | Viewed by 1358

Editor


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Guest Editor
Departamento de Mecánica, Facultad de Ingeniería, Universidad Tecnológica Metropolitana, Santiago, Chile
Interests: sustainable energy storage; supercapacitors; hybrid devices; MXenes; MOFs; advanced nanocomposites
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Special Issue Information

Dear Colleagues,

Supercapacitors have emerged as one of the most promising energy storage technologies, bridging the gap between conventional capacitors and batteries. Their unique advantages—high power density, rapid charge–discharge capability, long cycle life, and environmental sustainability—make them indispensable for next-generation energy applications. This Special Issue, “Performance of Supercapacitors for Energy Technologies and Applications”, aims to highlight recent advances in materials design, device engineering, and hybrid systems that enhance supercapacitor performance. Contributions will cover innovative electrode architectures, novel electrolytes, and scalable fabrication strategies that address challenges of energy density, safety, and cost-effectiveness. Particular emphasis will be placed on green synthesis routes, nanostructured materials such as MXenes, MOFs, and carbon-based composites, as well as hybrid devices that integrate batteries and supercapacitors. This issue also welcomes studies on emerging applications, including electric vehicles, wearable electronics, grid storage, and flexible/wireless energy systems. By bringing together leading researchers from academia and industry, this collection seeks to provide a comprehensive overview of the state-of-the-art in supercapacitor technology and inspire new directions for sustainable energy solutions.

Dr. Prasad Eknath Lokhande
Guest Editor

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Keywords

  • supercapacitors
  • energy storage devices
  • nanostructured materials
  • hybrid energy systems
  • green synthesis
  • MXenes and MOFs
  • carbon-based composites
  • high power density
  • flexible/wearable electronics
  • sustainable energy technologies

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Published Papers (1 paper)

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Research

21 pages, 4567 KB  
Article
Asymmetric Supercapacitor Based on Biomass-Derived Carbon Electrodes Functionalized with NdFeB
by Ahmad Reshad Delawary, Constantin Bubulinca, Natalia E. Kazantseva, Petr Saha, Quoc Bao Le, Ram K. Gupta and Rudolf Kiefer
Materials 2026, 19(6), 1257; https://doi.org/10.3390/ma19061257 - 22 Mar 2026
Cited by 3 | Viewed by 855
Abstract
Supercapacitors (SCs) are highly attractive energy storage devices, and modern research is focused on using waste materials to reduce environmental impact. This study processed biowaste from local brewery production to produce a highly specific mesoporous activated carbon (AC) for SC electrode scaffolds. Polyaniline [...] Read more.
Supercapacitors (SCs) are highly attractive energy storage devices, and modern research is focused on using waste materials to reduce environmental impact. This study processed biowaste from local brewery production to produce a highly specific mesoporous activated carbon (AC) for SC electrode scaffolds. Polyaniline (PANI) was synthesized and incorporated into the AC scaffold, thereby enhancing performance. The AC and PANI combination (ACP) achieved a specific capacitance of 173.7 F/g at 1 A/g, with 92% retention after 5000 cycles. Using NdFeB (ACN) particles, the anode showed a specific capacitance of 127 F/g and over 99% retention. An asymmetrical ACN//ACP cell demonstrated promising performance with 70% efficiency. This study highlights the potential of using biowaste for high-performance SC electrodes and the effective synergy between AC and PANI. Full article
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