IP & T Group LLP
Pouch secondary battery and method of fabricating the same
A pouch secondary battery is disclosed. One aspect of the present invention provides a pouch secondary battery including a casing configured to accommodate an electrode assembly from which electrode tabs are led; and the casing includes a sealing portion formed on three sides of four sides of the pouch secondary battery and a close contact portion formed on the remaining one side; and an extending portion protruding perpendicularly with respect to the close contact portion is formed in a portion adjacent to the close contact portion in the sealing portion.
SK INNOVATION CO., LTD.
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Tae Il Jin Go Dong Ju Seung Noh Sung Yeop
Kim Kim Kim Lee Kim