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Contacting Elements for an Energy Storage Cell

Physical Sciences, Automobil, Elektrotechnik

  • Easy positioning of the battery cell
  • Contacting of the battery cells only on one side
  • Easy and efficient cooling of the cells

Ihr Kontakt

Dr. Robert Phelps

+49 (0) 89 5480177 - 66


Conventionally, the energy storage cells in an energy storage system are contacted by resistance welding, laser welding or clamping. These contacting methods have relatively high manufacturing complexity and do not allow for an easy and cheap replacement of the cells. ­Furthermore, these methods provide only restricted options for cooling the energy storage cells sufficiently. An insufficient of inefficient cooling of the storage energy cells can very negatively influence the performance and the lifetime of the energy storage cells, due to the formation of a temperature gradient within the cells themselves.


The invention consists of a releasable mechanical connection, which presses an energy storage cell against a printed circuit board facing the cell. This construction has the following advantages:

  • It provides a simple manufacturing process and allows for easily replacing a cell from the storage system;
  • The single-sided contacting offers more degrees of freedom for cooling the energy storage cell. For instance, the cells can be immersed in a cooling medium of be continuously cooled by an air stream;
  • The energy storage cell can be a standardized round cell, which simplifies the supplying of the basic construction element of the energy storage system and decreases the material costs;
  • Only one printed circuit board is necessary for building up the energy storage system, further decreasing the manufacturing costs.

Kommerzielle Möglichkeiten

The invention is relevant for energy storage systems (batteries), in particular for the field of automotive.


Kontaktieren Sie uns für mehr Informationen


  • 1

    US 10,340,487 B2; EP 3 161 884 A2; WO 2015/197545; DE 10 2014 121243 A1.

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