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US 2012/0070704 A1Published application
Lithium rechargeable battery
AssigneeSamsung SDI Co., Ltd.
InventorsSang Sok JUNG, Se Yun KIM
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Abstract
A lithium rechargeable battery includes an insulation case positioned on top of an electrode assembly where the insulation case has least one hole to improve the stability of the battery by evacuating gas that may be generated by the electrode assembly.
Claims1
A lithium rechargeable battery, comprising:
- an electrode assembly that includes first and second electrodes wound together with a separator interposed between them;
- an insulation case positioned on top of the electrode assembly;
- and
- a can containing the electrode assembly and the insulation case,
- wherein the insulation case has at least one of an electrolyte injection hole and an electrode tab drawing hole, and
- wherein the insulation case has at least one other hole.
3 more elements
Dependencies are inferred from the claim text.