BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Title:

BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2015/152527

Kind Code:

A1

Abstract:

Disclosed are a battery module and a battery pack comprising the same, in which laser welding can be used for coupling three or more electrode leads to a bus bar, thereby enhancing adhesion and improving the ease of a manufacturing process. The battery module according to the present invention comprises: a plurality of secondary batteries each including an electrode assembly, a case and an electrode lead; and a terminal bus bar having a plate-like coupling part, wherein electrode leads of the same polarity provided in each of three or more secondary batteries are coupled to the coupling part, two or more electrode leads adhered to each other in a stack are in contact with one end of the coupling part, and the other one or more electrode leads are in contact with the other end of the coupling part.

Inventors:

CHOI JONG-WOON (KR)
KANG DAL-MO (KR)
SEONG JUN-YEOB (KR)

Application Number:

PCT/KR2015/002212

Publication Date:

October 08, 2015

Filing Date:

March 06, 2015

Export Citation:

Click for automatic bibliography generation Help

Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M50/211; H01M50/503; H01M50/507; H01M50/516; H01M50/244; H01M50/509

Foreign References:

JP2012109275A	2012-06-07
KR20130009632A	2013-01-23
KR20130113145A	2013-10-15
JP2004087337A	2004-03-18
KR20090017988A	2009-02-19

Other References: