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US 2009/0023058 A1Published application
Pouch-type secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorJoongheon Kim
Life of this patent
Estimating the term…
Abstract
A pouch-type secondary battery including: an electrode assembly having a first electrode plate, a second electrode plate, and a separator disposed therebetween; and a pouch case including a first case part having a pouch to house the electrode assembly, a second case part disposed over an open end of the pouch, and sealing portions to seal the second case part to the first case part. The sealing portions include wing portions that are bent to cover opposing sides of the pouch, and bent portions that are bent from the wing portions, to cover a bottom surface of the pouch.
Claims12
A pouch-type secondary battery, comprising:
- an electrode assembly comprising a first electrode plate, a second electrode plate and a separator disposed between the first electrode plate and the second electrode plate;
- and
- a pouch case comprising, a pouch having a bottom and opposing sides, to house the electrode assembly, a first cover disposed upon the opposing sides of the pouch, and sealing portions to seal the first cover to the pouch,
- wherein the sealing portions comprise wing portions that are folded toward the pouch, so as to cover the opposing sides of the pouch, and bent portions that are folded from the wing portions, so as to partially cover the bottom of the pouch.
1 more element
Dependencies are inferred from the claim text.