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US 10,854,857 B2Granted
Secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorsHyeri Eom, Jandee Kim, Junggyu Nam, Bongkyoung Park, Wonkyu Bang, Junwon Suh, Juhee Sohn, Jungyup Yang, Jeongdoo Yi, Juhyeong Han, Hyunhwa Song, Taesoo Lee, Sol Choi, Daun Han, Seokhun Hong
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Abstract
A secondary battery including an electrode assembly; a first case that includes an electrode assembly accommodating space; and a second case that coupled to the first case, the second case facing the first case and having a convex-concave pattern.
Claims13
A secondary battery, comprising:
- an electrode assembly;
- a first case that includes an electrode assembly accommodating space;
- and
- a second case that is coupled to the first case, the second case facing the first case and having a convex-concave pattern that is sealed when the second case is secured to the first case,
- wherein:
- the first case further includes a first seal that surrounds the electrode assembly accommodating space, the electrode assembly accommodating space extending away from the first seal and the second case,
- the second case further includes a second seal that surrounds a central region of the second case, the central region facing the electrode assembly accommodating space and the second seal including a flat surface that is coplanar with a flat portion of the central region of the second case such that the flat portion of the central region forms a continuous surface with the second seal,
- the first seal is coupled with the second seal, and
- the convex-concave pattern is in the central region of the second case.
6 more elements
Dependencies are inferred from the claim text.