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Title:
SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/256804
Kind Code:
A1
Abstract:
To solve the above problem, a secondary battery manufacturing method according to an embodiment of the present invention comprises the steps of: receiving an electrode assembly comprising alternately stacked electrodes and separators within a can type battery case; primarily injecting an electrolyte through an inlet port; performing formation in the state where the inlet port is opened, and simultaneously applying pressure to the battery case; secondarily injecting the electrolyte through the inlet port; and closing the inlet port.

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WO/2021/200581POWER STORAGE DEVICE
Inventors:
YU DAE EUN (KR)
LEE YONG GON (KR)
JUNG YEONG HUN (KR)
Application Number:
PCT/KR2021/007400
Publication Date:
December 23, 2021
Filing Date:
June 14, 2021
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/04; H01M4/04; H01M50/116
Foreign References:
KR20200051377A2020-05-13
KR101750089B12017-06-21
KR100416093B12004-01-24
JP2003217671A2003-07-31
JP4383781B22009-12-16
KR101002783B12011-01-10
Other References:
See also references of EP 4167330A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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