ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING SAME

Title:

ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING SAME

Document Type and Number:

WIPO Patent Application WO/2015/046692

Kind Code:

A1

Abstract:

An electrode assembly according to an embodiment of the present invention comprises: a first electrode plate including a first electrode tab on one end of one side surface thereof; a second electrode plate including a second electrode tab formed in a direction that is the same as the lengthwise direction of the first electrode tab but at a position in which the second electrode tab does not overlap the first electrode tab, and a projecting portion formed at a position that overlaps the first electrode tab; and a separation membrane for insulating the first electrode plate and the second electrode plate. Accordingly, an electrode assembly and a secondary battery including same according to an embodiment of the present invention can improve the stability of a secondary battery by preventing lithium ion accumulation by means of a separation membrane.

Inventors:

PARK JI WON (KR)
KO MYUNG HOON (KR)
NA SEUNG HO (KR)
AHN CHANG BUM (KR)
YANG YOUNG JOO (KR)

Application Number:

PCT/KR2014/002908

Publication Date:

April 02, 2015

Filing Date:

April 04, 2014

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M10/04; H01M4/02; H01M4/13; H01M4/64; H01M50/531; H01M50/55; H01M50/553; H01M50/574

Foreign References:

JP2009123752A	2009-06-04
JP2012204334A	2012-10-22
KR100893225B1	2009-04-16
KR100858416B1	2008-09-11
KR20110060036A	2011-06-08

Other References: