Metal Oxide-Based Supercapacitors: Progress and Prospectives
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".
Deadline for manuscript submissions: closed (20 September 2022) | Viewed by 348
Special Issue Editors
Interests: lithium-ion battery; lithium-sulfur battery; lithium-metal battery; supercapacitor; solid-state electrolyte; redox flow batter; fuel cell; electrocatalyst
Interests: lithium-ion battery; in-situ characterization; electrochemical atomic force microscopy; energy storage materials; solid state electrolytes; metal oxides and sulphides
Special Issue Information
Dear Colleagues,
Transitional metal oxides (MO) have been considered promising substitution materials for traditional electrode materials (e.g., carbon- and silicon-based) in electrochemical energy storage devices with the advantages of an easy synthesis method, high specific capacity, structural stability during repeated electrochemical operation, environmental geniality, low cost, etc. In particular, MO electrodes exhibit high energy density and power density when they are adopted in pseudo-supercapacitors, which bridges the gap between batteries and capacitors. During recent decades, a large amount of published work has focused on how to enhance their electrical conductivity, stabilize their nanostructure, control their volume expansion, and improve their ion diffusion in the bulk phase. It is important to review the progress that has been made and summarize the basic principles in electrochemical mechanisms. This Special Issue will focus on the progress of MO-based capacitors and reveal their future development prospects.
The topics of interest include, but are not limited to, the preparation, properties, and applications of materials including:
- Working principals of MO based electrodes
- Effects of electrolytes (aqueous, non-aqueous)
- Interface reactions
- All-solid-state supercapacitors
- High frequency electrochemical supercapacitors
Dr. Wenyue Li
Dr. Zhenyu Zhang
Guest Editors
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Keywords
- metal oxide
- electrochemical energy storage
- supercapacitor
- electrode
- electrolyte
- nanostructure
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