RECHARGEABLE BATTERY
First Claim
1. A rechargeable battery comprising:
- an electrode assembly having an uncoated region;
a case accommodating the electrode assembly therein;
an insulation plate disposed on the uncoated region of the electrode assembly;
a gasket formed on the insulation plate, wherein the gasket comprises a support supported by and contacting an upper surface of the insulation plate, wherein the support comprises an inner side surface and an outer side surface, and wherein at least one of the inner and outer side surfaces forms an obtuse angle with respect to the upper surface of the insulation plate; and
a cap assembly contacting the gasket and connected to the uncoated region of the electrode assembly through a lead tab.
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Accused Products
Abstract
A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly having an uncoated region, a case accommodating the electrode assembly therein and an insulation plate disposed on the uncoated region of the electrode assembly. The battery also includes a gasket formed on the insulation plate, wherein the gasket comprises a support supported by and contacting an upper surface of the insulation plate, wherein the support comprises an inner side surface and an outer side surface, and wherein at least one of the inner and outer side surfaces forms an obtuse angle with respect to the upper surface of the insulation plate. The battery further includes a cap assembly contacting the gasket and connected to the uncoated region of the electrode assembly through a lead tab.
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Citations
20 Claims
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1. A rechargeable battery comprising:
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an electrode assembly having an uncoated region; a case accommodating the electrode assembly therein; an insulation plate disposed on the uncoated region of the electrode assembly; a gasket formed on the insulation plate, wherein the gasket comprises a support supported by and contacting an upper surface of the insulation plate, wherein the support comprises an inner side surface and an outer side surface, and wherein at least one of the inner and outer side surfaces forms an obtuse angle with respect to the upper surface of the insulation plate; and a cap assembly contacting the gasket and connected to the uncoated region of the electrode assembly through a lead tab. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A rechargeable battery comprising:
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an electrode assembly having an uncoated region; an insulation plate disposed on the uncoated region of the electrode assembly; and a gasket formed on the insulation plate, wherein the gasket comprises a support supported by and contacting an upper surface of the insulation plate, wherein the support comprises an inner side surface and an outer side surface, and wherein at least one of the inner and outer side surfaces forms an obtuse angle with respect to the upper surface of the insulation plate. - View Dependent Claims (17, 18, 19)
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20. A rechargeable battery comprising:
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an electrode assembly having an uncoated region; an insulation plate disposed on the uncoated region of the electrode assembly; a cap assembly connected to the uncoated region of the electrode assembly through a lead tab; and a gasket formed on the insulation plate, wherein the gasket comprises i) a bottom surface contacting an upper surface of the insulation plate and ii) at least one side surface extending from the bottom surface toward the cap assembly, and wherein the at least one side surface of the gasket forms an obtuse angle with respect to the upper surface of the insulation plate.
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Specification