Patent ID: 8697278
Filing Date: 2014-04-15
Classification: H01M,Y02E,Y02P

Abstract:
1. Battery cell casing comprising a first casing element ( 1 ) with a first contact surface ( 7 ) and a second casing element ( 2 ) with a second contact surface ( 8 ), wherein in an assembled position the first and second contact surfaces ( 7 , 8 ) contact each other and the first and second casing elements ( 1 , 2 ) encase active materials ( 9 , 10 ) of a battery cell in an interior space, and wherein at least one gas-tight seal layer is arranged between the first and second contact surfaces ( 7 , 8 ) to seal the interior space, characterized in that one of the first and second contact surfaces ( 7 ; 8 ) comprises an electrically insulating void volume layer and the other of the first and second contact surfaces ( 7 ; 8 ) comprises a formable material layer, which fills voids on a surface of the void volume layer hermetically in the assembled position to form the seal layer.