Swissbatt Ag

Walter Döll

Urban Schnell

Jean-Noël Fehr

Paul Julian Wyser

Philipp Wyser

A battery cell casing comprises a first casing element () with a first contact surface () and a second casing element () with a second contact surface (). In an assembled position the first and second contact surfaces () contact each other and the first and second casing elements () encase active materials () of a battery cell in an interior space. At least one seal layer is arranged between the first and second contact surfaces () to seal the interior space, wherein one of first and second contact surface () comprises a void volume layer and the other of first and second contact surface () comprises a formable material layer, which fills voids on a surface of the void volume layer hermetically in the assembled position and forms the seal layer.

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Gasel, Switzerland

Walter Döll