Patent ID: 7517610
Filing Date: 2009-04-14
Classification: H01M,Y02E

Abstract:
1. A rechargeable battery having a cover, the rechargeable battery comprising: at least one connecting pole comprising a pole shank inserted into a pole sleeve having an inner surface, the connecting pole being sealably mounted in the cover such that the rechargeable battery is liquid-tight and gas-tight, the pole shank comprising a first section and a second section, wherein the diameter of the first section is smaller than the diameter of the second section; wherein the pole sleeve is electrically conductively connected to the pole shank and is held in a liquid-tight and gas-tight manner by the cover; wherein the first section of the pole shank is electrically conductively connected in a gas-tight and liquid-tight manner to the inner surface of the pole sleeve; and further comprising a sliding element provided between the second section of the pole shank and the inner surface of the pole sleeve such that the inner surface of the pole sleeve is not in contact with the pole shank.