Patent ID: 8945742
Filing Date: 2015-02-03
Classification: H01M,Y02E,Y02P

Abstract:
1. A sealing plug arrangement ( 1 , 2 ) for a rechargeable battery, with the sealing plug arrangement having at least a plug part ( 1 ) and a plug holder ( 2 ), the plug holder ( 2 ) having a hollow region ( 4 ) for accommodating at least one holding section ( 5 ) of the plug part ( 1 ), with the plug part ( 1 ) being designed to seal off at least one interior ( 73 , 74 ) of the rechargeable battery from the surrounding area when said plug part is fitted in the hollow region ( 4 ) of the plug holder ( 2 ), characterized in that the plug holder ( 2 ) has at least one flow channel ( 6 ) on its inner circumferential surface in the hollow region ( 4 ), said flow channel being arranged between the outer circumferential surface of the at least one holding section ( 5 ) of the plug part ( 1 ) and the inner circumferential surface of the plug holder ( 2 ) and extending at least along that region in which the plug part ( 1 ) is held in the plug holder ( 2 ) when said plug part is fitted in the hollow region ( 4 ) wherein the plug part ( 1 ) has a cutout ( 12 ) on its upper face in the region of an overpressure prevention region ( 7 ), opposite from the holding section ( 5 ).