Patent ID: 9263719
Filing Date: 2016-02-16
CPC Classification: H01M,Y02E,Y02P

Claim Text:
1. A prismatic secondary battery comprising: a prismatic hollow outer body having a mouth and a bottom; an electrode assembly including a positive electrode sheet and a negative electrode sheet, a positive electrode collector electrically connected to the positive electrode sheet, a negative electrode collector electrically connected to the negative electrode sheet, and an electrolyte, all stored in the prismatic outer body; a sealing plate sealing the mouth of the prismatic outer body, the sealing plate having a long side and a short side; and a positive electrode terminal and a negative electrode terminal, both attached to the sealing plate, electrically connected to the positive electrode collector and the negative electrode collector, respectively, a gas release valve and an electrolyte pour hole provided between the positive electrode terminal and the negative electrode terminal, the sealing plate including a front face having a concaved flat face and an identification code formed on the concaved flat face; wherein the sealing plate is a member connected to the prismatic outer body by welding, and wherein an entirety of the concaved flat face is spaced from an entirety of the gas release valve, in a direction parallel to the long side of the sealing plate.