Patent ID: 9425491
Filing Date: 2016-08-23
CPC Classification: H01M,Y02E

Claim Text:
1. A secondary battery, comprising: an electrode assembly including a first electrode having a first electrode tab extending to one side, a second electrode having a second electrode tab extending to one side, and a separator disposed between the first electrode and the second electrode; a pouch accommodating the electrode assembly and including a terrace part from which the first electrode tab and the second electrode tab are drawn; and a temperature protection device comprising a positive temperature coefficient device and a bi-metal disk, wherein the temperature protection device is mounted on the terrace part and connected to the first electrode tab, wherein a first extension part extends and is bent at an end of the first electrode tab, and the temperature protection device includes a first connection part connected to the first extension part, a transmission part having a bottom surface making contact with a top surface of the first electrode tab and connected to the first connection part, and a second connection part connected to the transmission part, wherein the positive temperature coefficient device is connected to the first electrode tab, wherein the second connection part makes contact with the first connection part at a contact point, wherein the second connection part makes contact with the bi-metal disk, and wherein the first connection part extends to the inside of the transmission part and is partially exposed to a bottom surface of the transmission part.