Method of forming a separator for a cylindrical battery

Details Method of forming a separator for a cylindrical battery Method of forming a separator for a cylindrical battery

H - Electricity

01

M

319/127, 319/49

H01M 2/18 (2006.01) B29C 53/38 (2006.01) B29C 53/42 (2006.01) B29C 57/00 (2006.01) B29C 57/10 (2006.01) H01M 2/14 (2006.01) H01M 6/08 (2006.01)

Patent

CA 1224243

ABSTRACT OF THE DISCLOSURE A method of forming a separator for a cylindrical battery comprising: disposing a cylindrical or columnar electrode on a metal mold having a circular groove through one or more layers belt-shaped separator being wider than the length of said electrode, pushing said electrode into said groove to contact said separator to a part of the periphery of said electrode, pressing residual both ends of said separator along the residual periphery of said electrode, and continuously or discontinuously welding an overlapped portion of both ends of said separator.

449534

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