Rechargeable battery having a cap assembly
AssigneeSamsung SDI Co., Ltd.
InventorsJae-Kyung Kim, Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon
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Abstract
The rechargeable battery comprises an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between those two electrodes. The battery further comprises a container that receives the electrode assembly inside it and a cap assembly that is coupled with the container to seal it. The cap assembly includes a cap plate that is coupled with the container, an external terminal that is disposed in the cap plate to be coupled with to the electrode assembly, and a tubular body that surrounds the external terminal to fix the external terminal to the cap plate.
Claims18
A rechargeable battery, comprising:
- an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode;
- a container for receiving the electrode assembly;
- and
- a cap assembly that is coupled with the container;
- wherein the cap assembly comprises:
- a cap plate that is coupled with the container;
- an external terminal that is disposed in the cap plate to be coupled with the electrode assembly;
- and a tubular body that surrounds the external terminal to couple the external terminal to the cap plate,
- wherein the tubular body has a protrusion at an outer circumferential surface spaced apart from the cap plate.
Dependencies are inferred from the claim text.