RUBBER VALVE FOR SEALING A BATTERY AND A LITHIUM ION BATTERY HAVING THE SAME

摘要

A rubber valve for sealing a battery sealing structure is provided, comprising: a first projection in a dome shape with a center protruding upward; a second projection in a hemispherical shape with at least one diametric groove formed thereon; and a column connecting the first and the second projections. A lithium ion battery having the rubber valve is also provided.