Electrode Assembly, Secondary Battery, Battery Pack, and Vehicle
AssigneeLG Energy Solution, Ltd.
InventorUjin Yoon
Life of this patent
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Abstract
An electrode assembly having a structure in which a positive electrode, a separator, and a negative electrode are stacked and wound, wherein the negative electrode includes an in-tab provided at an end portion, located in a core portion, of both end portions in a direction perpendicular to a winding axis of the electrode assembly, and wherein the in-tab is configured to wrap 50% or more of a surface of the negative electrode facing the core portion. A secondary battery, a battery pack, and a vehicle including the electrode assembly are also provided.
Claims16
An electrode assembly having a structure in which a positive electrode, a separator, and a negative electrode are stacked and wound,
- wherein the negative electrode comprises an in-tab provided at an end portion, located in a core portion of the electrode assembly, of both end portions of the negative electrode in a direction perpendicular to a winding axis of the electrode assembly, and
- wherein the in-tab is configured to wrap 50% or more of a surface of the negative electrode facing the core portion.
Dependencies are inferred from the claim text.