Electric energy storage devices

H - Electricity – 01 – G

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334/11, 319/73

H01G 9/04 (2006.01) H01M 4/02 (2006.01) H01M 10/00 (2006.01)

Patent

CA 1270296

ELECTRIC ENERGY STORAGE DEVICES ABSTRACT OF THE DISCLOSURE This invention relates to novel type eletrochemical devices such as capacitors or batteries, among other devices which have high capacitance or power to volume or weight ratios, or which have other valuable characteristics, and which are characterized by the practical use of one or more phenomena, including pseudocapacitance, "kinetic reversibility" (passage of approximately equal and substantial charge or discharge currents at about the same rate), "coulombic revers- ibility" (passage of substantially equal numbers of coulombs in charging and discharging of the device), distinguish- able energy states of electrodeposited species on surfaces, creation of surface layers, electrochromic effects, negative differential resistance, and frequency multiplying effects which occur during, or as a result of, the formation or modification of an electrodeposited layer or layers on, or separation of charges in doubly layers in, one or more elec- trodes and/or as a result of the reaction(s) occurring be- tween electrode and electrolyte.

615557

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