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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
close main section General criteria
  open sub-section Status of development: concept
  Time horizon for broad application: (no data)
  Expected technological development: highly dynamic
  Benefits (other than environmental): not applicable
  Barriers: high
  Applicability for railway segments: medium
    Type of traction:  electric - DC, electric - AC, diesel
    Type of transportation:  passenger - regional lines, passenger - suburban lines
    Grade of diffusion into railway markets:
  Diffusion into relevant segment of fleet: 0 %
  Share of newly purchased stock: 0 %
  Market potential (railways): (no data)
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
Attachments:
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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