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Title:
SECONDARY BATTERY HAVING STRUCTURE IN WHICH UNIT CELLS WHICH BECOME THINNER IN ONE DIRECTION ARE RADIALLY ASSEMBLED, AND DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/080137
Kind Code:
A1
Abstract:
The present invention provides a secondary battery having a novel structure in which unit cells which become thinner in one direction are radially assembled, and a device comprising same, and when a collector having a through-hole in the thickness direction is to be applied, the variation range of the concentration of the electrolyte in the battery is reduced, helping to improve the performance of the battery.

Inventors:
KO YO HAN (KR)
LEE JUNG NOH (KR)
PARK JONG PIL (KR)
Application Number:
PCT/KR2020/010615
Publication Date:
April 29, 2021
Filing Date:
August 11, 2020
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/04; H01M4/02; H01M4/66; H01M4/74; H01M4/80
Foreign References:
JPH07130344A1995-05-19
KR20060015060A2006-02-16
JP2000311693A2000-11-07
JP2003208917A2003-07-25
KR20070105114A2007-10-30
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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