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Double-layer capacitance is the important characteristic of the electrical double layer which appears, for example, at the interface between a conductive electrode and an adjacent liquid electrolyte. At this boundary two layers of charge with opposing polarity form, one at the surface of the electrode, and one in the electrolyte. These two layers, electrons on the electrode and ions in the electrolyte, are typically separated by a single layer of solvent molecules that adhere to the surface of the electrode and act like a dielectric in a conventional capacitor. The amount of electric charge stored in double-layer capacitor depends on the applied voltage. The unit of capacitance is the farad.

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  • Doppelschichtkapazität (de)
  • Double-layer capacitance (en)
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  • Eine Doppelschichtkapazität entsteht nach dem Anlegen einer elektrischen Spannung durch Ladungstrennung in einer Helmholtz-Doppelschicht an der Phasengrenze zwischen Elektrodenoberfläche und Elektrolyt. Die elektrische Energie in der Doppelschichtkapazität wird statisch in einem elektrischen Feld gespeichert. Untrennbar zusammen mit einer statischen Doppelschichtkapazität tritt in diesen elektrochemischen Kondensatoren mit der sogenannten Pseudokapazität aber immer auch noch eine elektrochemische Speicherung der elektrischen Energie auf. (de)
  • Double-layer capacitance is the important characteristic of the electrical double layer which appears, for example, at the interface between a conductive electrode and an adjacent liquid electrolyte. At this boundary two layers of charge with opposing polarity form, one at the surface of the electrode, and one in the electrolyte. These two layers, electrons on the electrode and ions in the electrolyte, are typically separated by a single layer of solvent molecules that adhere to the surface of the electrode and act like a dielectric in a conventional capacitor. The amount of electric charge stored in double-layer capacitor depends on the applied voltage. The unit of capacitance is the farad. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/EDLC-Charge-Distribution.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/EDLC-simplified-principle.png
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  • Eine Doppelschichtkapazität entsteht nach dem Anlegen einer elektrischen Spannung durch Ladungstrennung in einer Helmholtz-Doppelschicht an der Phasengrenze zwischen Elektrodenoberfläche und Elektrolyt. Die elektrische Energie in der Doppelschichtkapazität wird statisch in einem elektrischen Feld gespeichert. Untrennbar zusammen mit einer statischen Doppelschichtkapazität tritt in diesen elektrochemischen Kondensatoren mit der sogenannten Pseudokapazität aber immer auch noch eine elektrochemische Speicherung der elektrischen Energie auf. Realisiert und verwendet wird die Doppelschichtkapazität in Superkondensatoren, auch „Doppelschichtkondensatoren“ genannt. (de)
  • Double-layer capacitance is the important characteristic of the electrical double layer which appears, for example, at the interface between a conductive electrode and an adjacent liquid electrolyte. At this boundary two layers of charge with opposing polarity form, one at the surface of the electrode, and one in the electrolyte. These two layers, electrons on the electrode and ions in the electrolyte, are typically separated by a single layer of solvent molecules that adhere to the surface of the electrode and act like a dielectric in a conventional capacitor. The amount of electric charge stored in double-layer capacitor depends on the applied voltage. The unit of capacitance is the farad. The double-layer capacitance is the physical principle behind the electrostatic double-layer type of Supercapacitors. (en)
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