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Long-Term Field Experience with a Stationary Lithium-Ion Battery in a Sub-Station Application

Mats Leksell

Peter Krohn

Betril Nygren

Trond Beyer

This presentation elaborates on primarily the lifetime of the battery taking into account the ageing effects of the 6 years in service. Capacity and internal resistance tests are matched to detailed models of the battery. Initial analysis of the results shows that a resistance increase in the range of 20% was found for the 2011 test as compared to the measurements made in the end of 2005.

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