BATTERY CELL COMPRISING CIRCUMFERENTIAL SURFACE SEALING PART HAVING SEALING LINE, AND BATTERY CELL SEALING DEVICE FOR PRODUCING SAME

WIPO Patent Application WO/2015/130017

A1

As described above, provided is a battery cell according to the present invention having an electrode assembly mounted in a battery case of a laminate sheet comprising a resin layer and a metal layer, having a thermal fusion sealing part (outer circumferential surface sealing part) in the battery case, for sealing the battery case, formed on the outer circumferential surface of an accommodation part in which the electrode assembly is mounted, and is characterized by: electrode terminals positioned at an upper-end sealing part, a lower-end sealing part or the upper-end and lower-end sealing parts; two or more sealing lines spaced apart so as to be parallel and formed on at least one of both side-surface sealing parts adjacent to the upper-end or lower-end sealing part; the sealing lines continuously formed in the longitudinal direction of the battery case from the outer circumferential end portion of the upper-end sealing part to the outer circumferential end portion of the lower-end sealing part; and the outer circumferential surface sealing part, on which the sealing lines are formed, bent in a range of 30° to 180° between the sealing lines.

YOO JUNG WOO (KR)
UHM IN SUNG (KR)
KIM JE YOUNG (KR)

PCT/KR2015/000950

September 03, 2015

January 29, 2015

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LG CHEMICAL LTD (KR)

H01M50/105; H01M50/119; H01M50/121; H01M50/124; H01M50/136; H01M50/184; H01M50/186; H01M50/548; H01M50/557

KR20120102935A	2012-09-19
JP2009224147A	2009-10-01
KR20130139026A	2013-12-20
KR20100003557A	2010-01-11
JP2002237279A	2002-08-23

See also references of EP 3098877A4

SOHN, CHANG KYU (KR)
손창규 (KR)

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