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   Batteries (storage technology)  evaluated  
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.
Technology field: Regenerative braking and energy management
open main section General information
open main section General criteria
open main section Environmental criteria
open main section Economic criteria
open main section Application outside railway sector
open main section Overall rating
References / Links:  Caputo 2000;  Hennig, Stephanblome 2000;  Hentschel et al. 2000;  US Department of Energy
Related projects:  Studies performed on energy storage systems
Contact persons:
 date created: 2002-10-09
© UIC - International Union of Railways 2003
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