FIELD: electrical engineering; asymmetric water-electrolyte electrochemical capacitors.
SUBSTANCE: proposed electrochemical capacitor designed for long-time unattended operation at high temperatures (50°C and higher) and under continuous cycling conditions has case, polarized electrode made of active carbon material, nonpolarized electrode, porous separator disposed between electrodes, and electrolyte that fills up pores of separator and electrodes; novelty is that pressure applied to electrode unit on wide side of capacitor case is equal to or higher than capillary pressure within separator pores.
EFFECT: enhanced unattended operating time at high temperatures.
3 cl, 3 dwg, 4 ex
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