Secondary battery and method for manufacturing the same
AssigneeSK Innovation Co., Ltd.
InventorHee-Gyoung Kang
Life of this patent
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Abstract
Disclosed are a secondary battery and a method for manufacturing the same. According to an embodiment of the present invention, there is provided a secondary battery, including: an exterior material which includes a pouch film and a sealing portion formed at an outer side of the pouch film; and an electrode assembly which includes a plurality of electrode bodies laminated with a separator interposed therebetween and are packaged by the exterior material, wherein a pair of forming portions are formed within the pouch film to house the electrode assembly, and a predetermined interval is formed between the pair of forming portions.
Claims36
A secondary battery, comprising:
- an exterior material which includes a pouch film and a sealing portion formed at an outer side of the pouch film;
- and
- an electrode assembly which includes a plurality of electrode bodies laminated with a separator interposed therebetween,
- wherein a pair of forming portions are formed within the pouch film to house the electrode assembly, and
- wherein the electrode assembly is packaged by the exterior material in a manner that three sides of the exterior material are sealed and one side is not sealed, and a thickness of the electrode assembly is larger than a sum of each depth of the pair of forming portions.
A secondary battery, comprising:
- an exterior material which includes a pouch film and a sealing portion formed at an outer side of the pouch film;
- and
- an electrode assembly which includes a plurality of electrode bodies laminated with a separator interposed therebetween and are packaged by the exterior material,
- wherein a pair of forming portions are formed within the pouch film to house the electrode assembly,
- wherein the exterior material packages the electrode assembly in a manner that three sides of the exterior material are sealed, and one side is not sealed, and
- wherein a space between the electrode assembly and the side of the exterior material that is not sealed is smaller than a space between the electrode assembly and at least one of the sides of the exterior material that are sealed.
Dependencies are inferred from the claim text.