Lg energy solution, ltd. (20240421418). Secondary Battery
Contents
Secondary Battery
Organization Name
Inventor(s)
Secondary Battery
This abstract first appeared for US patent application 20240421418 titled 'Secondary Battery
Original Abstract Submitted
the present invention relates to a secondary battery including an electrode assembly; a can that accommodates the electrode assembly; a cap assembly that includes a vent, a current interrupt device (cid) filter positioned under the vent, and a cid gasket positioned at one end of the current interrupt device filter to close an open upper portion of the can; and a gasket that is compressed while interposed between the cap assembly and the upper portion of the can to maintain insulation and sealing between the cap assembly and the can, wherein an outer surface and upper and lower surfaces of the vent of the cap assembly are in close contact with inner and upper surfaces of the gasket, respectively, and a radius of curvature of a portion where the outer surface and the upper surface of an edge portion of the vent meet is 0.3 mm or less.
