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US 2021/0344068 A1Published application
Lithium secondary battery
AssigneeSK Innovation Co., Ltd.
InventorHee-Gyoung KANG
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Abstract
The present invention provides a lithium secondary battery which includes an electrode assembly to which an electrode tap is attached, an electrode tap receptor configured to house a portion of the electrode assembly such that a portion of the electrode tap protrudes to an outside, and a case configured to surround the electrode assembly and seal the electrode assembly together with the electrode tap receptor, wherein the electrode tap receptor includes a gas barrier layer.
Claims9
A lithium secondary battery comprising:
- an electrode assembly to which an electrode tap is attached;
- an electrode tap receptor configured to house a portion of the electrode assembly;
- wherein the electrode tap receptor comprises a hole through which a portion of the electrode tap protrudes to an outside;
- and
- a case formed from one sheet configured to surround the electrode assembly,
- wherein an end of the electrode tap receptor and an end of the case partially overlap each other, and the end of the case is disposed over the end of the electrode tap receptor to seal the electrode assembly,
- wherein the case surrounds sides of the electrode assembly to which the electrode tap is not attached,
- wherein the electrode tap receptor includes a gas barrier layer, and
- wherein an inner surface of the electrode tap receptor includes an electrolyte storage part which has a shape of a groove.
6 more elements
Dependencies are inferred from the claim text.