Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Denis Gaston Fauteux0
Wing Keung Woo0
Date of Patent
August 13, 2019
0Patent Application Number
155026020
Date Filed
August 10, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A pouch-type battery comprising: a pouch-type battery case having a joined wall and a cell space within the pouch, a battery cell within the cell space, a terminal tab extending outwardly of the cell space from the battery cell, said joined wall comprising at least a first sealing portion having a first sealing strength, and a second sealing portion having a second sealing strength that is less than the first sealing strength such that the second sealing portion is adapted to fail before said first sealing portion, and an electrical contact located with the second sealing portion and adapted to change contact state upon failure of the second sealing portion.
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