Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/221965
Kind Code:
A1
Abstract:
The present invention relates to a secondary battery which forms a multi-tap. In addition, the present invention comprises: a jelly roll in which an electrode and a separator are laminated to be crossed to each other, and which is wound around a center core; a plurality of multi-tap units extending from the electrode and formed in predetermined regions at the end of the jelly roll; a can member for receiving the jelly roll; and an insulating member, provided adjacent to the end, for insulating between the can member and the jelly roll, wherein the insulating member comprises: a center hole formed at the center thereof, the center hole being perforated so as to allow the center core to penetrate therethrough; and tap holes formed at the circumferential side of the center hole, tap holes being perforated to correspond to the plurality of multi-tap units so as to allow the plurality of multi-tap units to penetrate therethrough.
Inventors:
LIM HAE JIN (KR)
KIM SANG UCK (KR)
KIM SANG UCK (KR)
Application Number:
PCT/KR2018/006172
Publication Date:
December 06, 2018
Filing Date:
May 30, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/04; H01M10/0587; H01M50/538; H01M50/119; H01M50/179; H01M50/548; H01M50/559
Domestic Patent References:
| WO2013002496A2 | 2013-01-03 |
Foreign References:
| KR20140093077A | 2014-07-25 | |||
| KR20160129571A | 2016-11-09 | |||
| KR20110082908A | 2011-07-20 | |||
| KR20170009592A | 2017-01-25 | |||
| KR20080047165A | 2008-05-28 |
Other References:
See also references of EP 3534426A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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