Development and Application of rGO-Based Composites for Next-Generation Electrode Materials in Supercapacitors
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D2: Electrochem: Batteries, Fuel Cells, Capacitors".
Deadline for manuscript submissions: 25 February 2026 | Viewed by 14
Special Issue Editor
Interests: adsorption; porous materials; water purification; material chemistry; nanomaterials; carbons; energies; supercapacitor
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Special Issue Information
Dear Colleagues,
Due to the increasing need for energy and continuous population growth, there has been a surge in research on the synthesis of electrode materials for supercapacitors. These devices are known for their efficiency and rapid charge–discharge capabilities, making them ideal for storing large amounts of energy. Since electrode materials are the main components of supercapacitors, choosing the right materials improves the efficiency of these devices. In the past few decades, an array of inexpensive transition-metal-based compounds, such as metal oxides, metal sulfides, metal selenides, and metal chalcogenides, have been employed as electrode materials in supercapacitor applications. The specific capacitance and cycle stability of these materials are unfavorable due to their lack of desirable properties, such as high conductivity, a large surface area, and structural strength. Although the utilization of a conducting polymer to modify electrode materials for SC applications may enhance electrochemical efficiency and conductivity, this is not guaranteed. In addition, metal oxides and conductive polymers exhibit high specific capacitance and energy density due to their quick and reversible redox reactions. However, their rate capability is substantially hampered by their modest electrical conductivity. By combining reduced graphene oxide (rGO) with transition-metal-based compounds and/or conducting polymers, its physicochemical characteristics can be modified to enhance its electrochemical performance. This is because rGO has exceptional conductivity, mechanical strength, and flexibility, which provide it with structural stability and durability. Consequently, the degradation of electrode material during charge-and-discharge cycles is controlled. Therefore, the integration of rGO into transition-metal-based compounds and/or conducting polymers considerably enhances electrochemical performance.
Dr. Sriram Ganesan
Guest Editor
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Keywords
- reduced graphene oxide
- transition-metal-based compounds
- conducting polymers
- binary composites
- ternary composites
- devices
- electrochemical performance
- mechanism
- supercapacitors
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