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An efficient implementation of a reconfigurable battery stack with optimum cell usage

  • This paper presents an efficient implementation of a reconfigurable battery stack which allows full exploitation of the capacity of every single cell. Contrary to most other approaches, it is possible to electrically remove one or more cells from the battery stack. Therefore, the overall capacity of the system is not restricted by the weaker cells, and cells with very different states of health can be used, making the system very attractive for refurbished batteries. For the required switches, low-voltage high-current MOSFETs are used. A demonstrator has been built with a total capacity of up to 3.5 kWh, a nominal voltage of 35 V, and currents up 200 A.

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Author of HS ReutlingenWattenberg, Martin
Erschienen in:PCIM Europe 2016 : International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management : 10 - 12 May 2016, Nuremberg, Germany
Place of publication:Piscataway, NJ
Document Type:Conference proceeding
Publication year:2016
Page Number:6
First Page:757
Last Page:762
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
Open access?:Nein
Licence (German):License Logo  In Copyright - Urheberrechtlich geschützt