Samsung sdi co., ltd. (20250149725). RECHARGEABLE BATTERY
RECHARGEABLE BATTERY
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RECHARGEABLE BATTERY
This abstract first appeared for US patent application 20250149725 titled 'RECHARGEABLE BATTERY
Original Abstract Submitted
a rechargeable battery includes an electrode assembly, a case including a first sheet and a second sheet positioned on an upper side and a lower side of the electrode assembly along a thickness direction of the electrode assembly, respectively, the first sheet and the second sheet defining a receiving portion surrounding the electrode assembly and a sealing portion connected to an edge of the receiving portion, and a vent layer in the sealing portion at a bonding surface of the first sheet and the second sheet, the sealing portion being bent toward a side of the receiving portion, and the vent layer being in contact with a corner of the receiving portion and one end of the sealing portion.