Technical Description
The invention provides an electric double-layer capacitor (EDLC) to maintain stable energy storage and high power from sub-zero to elevated temperatures using a binary aqueous electrolyte of potassium hydroxide and potassium acetate mixed in precise stoichiometric proportions to prevent freezing and lower internal resistance.
Problems Addressed
- Low-Temperature Electrolyte Freezing
- Sub-Zero Internal Resistance
- Cold-Climate Performance Drop
- Expensive Organic Options
- Viscous Ionic Liquids
- High-Temperature Chemical Instability
Tech Features
- Electrochemical Stability Across -60°C (72%) - +50°C (90%)
- Bifunctional Electrolyte Solution (Potassium Acetate & KOH)
- Activated Carbon Electrodes
- High Ionic Conductivity
- High-Stability PVDF Binder (Polyvinylidene Fluoride)
- KOH Electrolytes as Antifreeze Agent
- Potassium as De-Icing Agent
Target Audience
- Electric Vehicle Manufacturers
- Aerospace Systems Engineers
- Defense Equipment Suppliers
- Grid Energy Operators
Tech ID: P23-2137 TRL 4 Patent Status: Granted Available For Exclusive and Non-exclusive License
