A rechargeable battery including an electrode assembly; a case containing the electrode assembly; a cap plate covering an opening of the case; and an external insulating member on an outer surface of the case, the external insulating member including an insulating cover on the cap plate, and an insu
A rechargeable battery including an electrode assembly; a case containing the electrode assembly; a cap plate covering an opening of the case; and an external insulating member on an outer surface of the case, the external insulating member including an insulating cover on the cap plate, and an insulating tape coupled to the insulating cover on the case.
대표청구항▼
1. A rechargeable battery comprising: an electrode assembly;a case containing the electrode assembly;a cap plate covering an opening of the case; andan external insulating member on an outer surface of the case, the external insulating member comprising:an insulating cover on the cap plate; andan in
1. A rechargeable battery comprising: an electrode assembly;a case containing the electrode assembly;a cap plate covering an opening of the case; andan external insulating member on an outer surface of the case, the external insulating member comprising:an insulating cover on the cap plate; andan insulating tape coupled to the insulating cover on the outer surface of the case,wherein an area of the insulating tape is greater than an external surface area of the case, andwherein the insulating tape is coupled to a side of the case extending between a first end of the case and a second end of the case opposite the first end, the insulating tape contacting the outer surface of the case on the side of the case from the first end to the second end,wherein the insulating cover comprises:a body portion on the first end of the case; anda side portion extending from the body portion and covering a portion of a side of the case extending between the first end of the case and the second end of the case opposite the first end,wherein the body portion and the side portion together define a recess of the insulating cover receiving the first end of the case. 2. The rechargeable battery of claim 1, wherein at least a portion of the insulating tape is interposed between the case and the insulating cover. 3. The rechargeable battery of claim 1, wherein at least a portion of the insulating cover is interposed between the case and the insulating tape. 4. The rechargeable battery of claim 1, wherein the insulating cover is coupled to at least one of the cap plate or the case at a first end of the case. 5. The rechargeable battery of claim 1, wherein the insulating tape comprises: a first insulating tape on a first side of the case extending between the first end of the case and the second end of the case opposite the first end; anda second insulating tape on a second side of the case extending between the first end of the case and the second end of the case, the second side being opposite to the first side. 6. The rechargeable battery of claim 5, wherein the first insulating tape comprises: a body portion on the first side of the case;a first side portion on a third side of the case extending between the first and second sides of the case; anda second side portion on a fourth side of the case opposite the third side and extending between the first and second sides of the case, andwherein the second insulating tape comprises: a body portion on the second side of the case;a first side portion on the third side of the case; anda second side portion on the fourth side of the case. 7. The rechargeable battery of claim 6, wherein a width of the third side of the case is less than a sum of a width of the first side portion of the first insulating tape and a width of the first side portion of the second insulating tape. 8. The rechargeable battery of claim 6, wherein the third and fourth sides of the case are substantially perpendicular to the first and second sides, andwherein the first and second side portions of the first insulating tape are substantially perpendicular relative to the body portion of the first insulating tape, and the first and second side portions of the second insulating tape are substantially perpendicular relative to the body portion of the second insulating tape. 9. The rechargeable battery of claim 5, wherein an end of the second insulating tape overlaps an end of the first insulating tape. 10. The rechargeable battery of claim 1, wherein the side portion of the insulating cover covers a portion of the insulating tape. 11. The rechargeable battery of claim 1, wherein the insulating tape at least partially covers the side portion of the insulating cover. 12. The rechargeable battery of claim 1, wherein the insulating cover comprises an adhesive, and the insulating cover is coupled to at least one of the cap plate or the case via the adhesive. 13. The rechargeable battery of claim 1, wherein the insulating tape covers the second end of the case opposite the first end. 14. The rechargeable battery of claim 13, wherein a portion of the insulating tape covering the second end of the case is at an angle relative to a portion of the insulating tape on a side of the case extending between the first and second ends. 15. The rechargeable battery of claim 14, wherein a width of the portion of the insulating tape is greater than a width of the case at the second end. 16. The rechargeable battery of claim 1, wherein the insulating cover is a first insulating cover, and the external insulating member further comprises a second insulating cover on the second end of the case opposite the first end. 17. The rechargeable battery of claim 16, wherein the second insulating cover comprises: a body portion covering the second end of the case; anda side portion extending from the body portion of the second insulating cover and covering a portion of the insulating tape,wherein the body portion of the second insulating cover and the side portion of the second insulating cover together define a recess of the second insulating cover receiving the second end of the case. 18. The rechargeable battery of claim 1, wherein the insulating tape has a thickness of 70 μm to 100 μm.
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