Title:
STRIP-SHAPED ELECTRODE USED FOR CYLINDRICAL JELLY ROLL AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/093836
Kind Code:
A1
Abstract:
The present invention relates to a strip-shaped electrode used for a cylindrical jelly roll in which a strip-shaped electrode assembly is wound in a cylindrical shape such that a hollow space is formed at a core part thereof, and a lithium secondary battery comprising the same, the strip-shaped electrode comprising: a strip-shaped electrode current collector; a first electrode active material layer formed on at least one surface of the strip-shaped electrode current collector; and a second electrode active material layer formed on the first electrode active material layer, wherein the second electrode active material layer is formed to be shorter than the first electrode active material layer such that the first electrode active material layer has one lengthwise side surface, a part of which is exposed to the outside.
Inventors:
AHN BYOUNG-HOON (KR)
YANG JUNG-MIN (KR)
CHOY SANG-HOON (KR)
YANG JUNG-MIN (KR)
CHOY SANG-HOON (KR)
Application Number:
PCT/KR2018/013671
Publication Date:
May 16, 2019
Filing Date:
November 09, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/13; H01M10/052; H01M10/0587
Foreign References:
| KR20150049519A | 2015-05-08 | |||
| KR20150015253A | 2015-02-10 | |||
| KR20140137660A | 2014-12-03 | |||
| KR20060010658A | 2006-02-02 | |||
| KR20090035704A | 2009-04-10 | |||
| KR0148955B1 | 1998-10-15 |
Other References:
See also references of EP 3637506A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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