Patent ID: 8383264
Filing Date: 2013-02-26
Classification: B29C,B29L,H01M,Y02E

Abstract:
1. A cover monolith assembly for a Lithium-ion battery container, comprising a cover for sealing a top opening of a battery container, said cover defining one or more openings for current collecting posts; a current collecting post extending through each opening and having a gap between the current collecting post and the cover; a top flange encircling each current collecting post, disposed to be opposed to and displaced from a top surface of said cover and extending radially outward from the current collecting post to beyond edges of the opening; a bottom flange encircling each current collecting post, disposed to be opposed to and displaced from a bottom surface of said cover and extending radially outward from the current collecting post to beyond edges of the opening; and a first polymer body for each current collecting post, wherein said first polymer body, said cover and said current collecting post form a monolith structure, said first polymer body is continuous and extends to fill all gaps formed between any of the cover, current collecting post, top flange and bottom flange, and said first polymer body is fused to the cover, current collector post, top flange and bottom flange where contacting same.