Patent ID: 8173291
Filing Date: 2012-05-08
Classification: H01M,Y02E,Y02P

Abstract:
1. A secondary battery comprising: an electrode assembly including a positive electrode, a negative electrode and a separator located between the positive electrode and the negative electrode; a container housing the electrode assembly; a cap assembly electrically connected to the electrode assembly and fixed to the container to seal the container; a lead electrically coupled to the cap assembly; a positive collector plate electrically connected to the positive electrode and directly coupled to the lead; the positive collector plate having a positive collector plate electrolyte injection hole; and an auxiliary collector plate directly coupled to both the positive electrode and the positive collector plate; wherein the auxiliary collector plate has an auxiliary collector plate electrolyte injection opening generally corresponding to the positive collector plate electrolyte injection hole; and wherein the auxiliary collector plate and the positive collector plate both comprise the same material.