CAPACITOR WITH DOUBLE ELECTRIC LAYER Russian patent published in 1999 - IPC

FIELD: manufacture of high-rating electric capacitors. SUBSTANCE: capacitor has case, current ducts, positive polarized carbon electrode with large specific surface area, negative electrode, water electrolyte containing ionogenic dope, and ion-conducting separator. Used as ionogenic dope is salt or acid with anion of J^-, SCN^- series or their mixture, and/or salt of ammonium, metal, alkali metal of ₆₁Rb⁺, Li⁺, K⁺Cs⁺ series with anion B-2