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| Batteries (or accumulators) are electrochemical energy storage devices used for a wide variety of purposes. Compared to other storage devices batteries have very high energy densities, but low power density and therefore high charging times. Some modern high performance batteries do however reach power densities that are promising for braking energy storage in automotive and (to a smaller extent) railway applications. |
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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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| References / Links: Caputo 2000; Hennig, Stephanblome 2000; Hentschel et al. 2000; US Department of Energy |
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| Related projects: Studies performed on energy storage systems |
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 date created: 2002-10-09 |
| © UIC - International Union of Railways 2003 |
