Rechargeable battery
AssigneesSamsung SDI Co., Ltd., Robert Bosch GmbH
InventorsDae-Won Han, Yong-Sam Kim
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Abstract
A rechargeable battery including an electrode assembly having an inner surface and including a positive electrode, a negative electrode, and a separator interposed therebetween, a case having a space for internally housing the electrode assembly, a cap assembly coupled to the case and electrically connected to the electrode assembly, and a core inside the electrode assembly, wherein the core has a length and includes a plurality of support portions contacting the inner surface of the electrode assembly, and a plurality of avoidance surfaces between the support portions and separated from the inner surface of the electrode assembly.
Claims14
A rechargeable battery, comprising:
- an electrode assembly having an inner surface and including a positive electrode, a negative electrode, and a separator interposed therebetween;
- a case having a space for internally housing the electrode assembly;
- a cap assembly coupled to the case and electrically connected to the electrode assembly;
- and
- a core inside the electrode assembly, wherein the core has a length and includes:
- a plurality of support portions contacting the inner surface of the electrode assembly, and
- a plurality of avoidance surfaces between the support portions and separated from the inner surface of the electrode assembly,
- wherein:
- the core has two ends,
- large cross-section members each having a large horizontal cross-section are at both ends of the core,
- an elastic deforming member, having a horizontal cross-section smaller than the horizontal cross-section of the large cross-section members, extends along a lengthwise direction of the core between the large cross-section members, and
- the core has a monolithic structure.
Dependencies are inferred from the claim text.