A hybrid capacitor using manganese dioxide as an electrode to solve the challenges of electric double-layer capacitors (EDLC).
This is a hybrid capacitor that solves the issues of EDLC, namely "small storage capacity and high installation costs." By using manganese dioxide, activated carbon, and alkaline electrolyte, it achieves the following performance: - High capacity stability, maintenance-free, and usable for long periods - Low risk of ignition and does not contain harmful substances that affect the human body - Sustainability ensured through the use of manganese and activated carbon It can be utilized as a replacement for secondary batteries, as a backup power source, auxiliary power source, or as a storage device in non-electrified areas.
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basic information
<Configuration of Hybrid Capacitor> - Manganese Dioxide: Characterized by high exchange current density - General-purpose Activated Carbon: High performance enhancements such as hydrophilic group removal are unnecessary - Alkaline Electrolyte: Excellent in high ionic conductivity and safety
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Applications/Examples of results
[Utilization Proposal] A low-cost and safe hybrid capacitor that can be used in off-grid environments. By utilizing agricultural residues as activated carbon, the device can be procured and produced in rural areas and mountainous regions of soil-rich countries. The effectiveness has been confirmed in demonstration experiments using activated carbon derived from rice husks. It is possible to provide a safe device as an alternative to conventional stationary batteries.
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