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Double-layer capacitors (storage technology) |
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evaluated |
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Double-layer capacitors (also termed "supercapacitors" or "ultracapacitors") store energy in the electric field of an electrochemical double-layer. The use of high surface-area electrodes results in an extremely large capacitance. The power and energy densities make capacitors an option for brake energy storage in rail vehicles.
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Technology field: Regenerative braking and energy management
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General information
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General criteria
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Environmental criteria
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Economic criteria
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Application outside railway sector
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Overall rating
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date created: 2002-10-09 |
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© UIC - International Union of Railways 2003 |
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