Rechargeable battery
AssigneeSamsung SDI Co., Ltd.
InventorByongchul Woo
Life of this patent
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Abstract
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode; a case including an opening disposed in one side and receiving the electrode assembly; a cap assembly combined to the opening and closing and sealing the case; a first electrode tab extending from the first electrode and combined to the case; and a second electrode tab extending from the second electrode and combined to the cap assembly, wherein the cap assembly includes a first metal layer contacting the second electrode tab, a second metal layer spaced from the first metal layer and contacting the case, and a first plastic portion insulating between the first metal layer and the second metal layer.
Claims13
A rechargeable battery comprising:
- an electrode assembly including a first electrode, second electrode, and a separator between the first electrode and the second electrode;
- a case including an opening in one side and wherein the electrode assembly is received in the case;
- a cap assembly at the opening and closing and sealing the case;
- a first electrode tab extending from the first electrode and connected to the case;
- and
- a second electrode tab extending from the second electrode and connected to the cap assembly,
- wherein the cap assembly comprises:
- a first metal layer contacting the second electrode tab,
- a second metal layer spaced from the first metal layer and contacting the case, and
- a first plastic portion insulating the first metal layer from the second metal layer, and
- wherein the cap assembly further comprises a second plastic portion surrounding an external edge of the second metal layer, and the case further comprises a third plastic portion surrounding a side wall of the case and bonded to the second plastic portion, and
- wherein one of the second plastic portion or the third plastic portion has greater transparency than the other.
A rechargeable battery comprising:
- an electrode assembly including a first electrode, second electrode, and a separator between the first electrode and the second electrode;
- a case including an opening in one side and wherein the electrode assembly is received in the case;
- a cap assembly at the opening and closing and sealing the case;
- a first electrode tab extending from the first electrode and connected to the case;
- and
- a second electrode tab extending from the second electrode and connected to the cap assembly
- wherein the cap assembly comprises:
- a first metal layer contacting the second electrode tab,
- a second metal layer spaced from the first metal layer and contacting the case, and
- a first plastic portion insulating the first metal layer from the second metal layer, and
- wherein upper surfaces of each of the first metal layer, the first plastic portion, and the second metal layer are on a same plane.
Dependencies are inferred from the claim text.