High-Capacity Supercapacitors: Nanotechnologies and Nanomaterials

Dear Colleagues,

With the increasing global energy crisis and environmental pollution, the conversion and utilization of new energy and efficient storage technology have become frequently debated topics of scientific research. Supercapacitors, also known as ultracapacitors or electrochemical capacitors, have broad application prospects in electronic devices, electric vehicles, and smart grids due to their high power density, fast charging and discharging, long cycle life, and good safety. However, the low capacity or energy density of supercapacitors has become a major bottleneck restricting their industrial applications.

As is well-known, the energy density of supercapacitors depends on both the specific capacitance of electrode materials and the overall cell voltage. Accordingly, efficient strategies to improve the capacity or energy density of supercapacitors include developing novel electrode materials with a multidimensional nanostructure, designing optimized electrolytes, and building asymmetric/hybrid devices. Nanotechnologies and nanomaterials have revolutionized the field of supercapacitors, leading to significant advancements in their energy storage capacity and overall electrochemical performance. Therefore, in this Special Issue, we are looking for research into novel designs of nanostructured electrode materials, electrolytes, and supercapacitor devices, as well as storage mechanisms analysis using experiments or theoretical calculations. 

Dr. Zhengbing Qi
Dr. Hanfeng Liang
Dr. Binbin Wei
Guest Editors

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• supercapacitors
• nanostructured electrode materials
• aqueous electrolytes
• organic electrolytes
• asymmetric supercapacitors
• hybrid supercapacitors
• electrochemical double-layer capacitors
• pseudo-capacitors