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Double-layer capacitance : ウィキペディア英語版 | Double-layer capacitance Double-layer capacitance is the storing of electrical energy by means of the electrical double layer effect.〔(Z. Stojek, The Electrical Double Layer and Its Structure )〕 This electrical phenomenon appears at the interface between a conductive electrode and an adjacent liquid electrolyte as observed, for example, in a supercapacitor. At this boundary two layers of ions with opposing polarity form if a voltage is applied. The two layers of ions are separated by a single layer of solvent molecules that adheres to the surface of the electrode and acts like a dielectric in a conventional capacitor. The amount of electric charge stored in double-layer capacitance is linearly proportional to the applied voltage and depends primarily on the electrode surface. The unit of capacitance is the farad. == History ==
* Development of the double layer and pseudocapacitance model see Double layer (interfacial) * Development of the electrochemical components see Supercapacitors
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