Title:
SEALING METHOD FOR POUCH TYPE SECONDARY BATTERY, MANUFACTURING METHOD FOR POUCH TYPE SECONDARY BATTERY, SEALING DEVICE FOR POUCH TYPE SECONDARY BATTERY, AND POUCH TYPE SECONDARY BATTERY MANUFACTURED USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/038294
Kind Code:
A1
Abstract:
The present invention relates to a sealing method for a pouch type secondary battery, comprising: a first sealing step of pressing sealing regions of upper and lower pouches in the vertical direction by means of a sealing device; and a second sealing step of moving from the inside to the outside of the pouch while pressing the sealing regions of the upper and lower pouches by means of the sealing device.
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Inventors:
KIM SOON (KR)
KIM DONG YEON (KR)
KONG JIN HAK (KR)
KIM DONG YEON (KR)
KONG JIN HAK (KR)
Application Number:
PCT/KR2022/011243
Publication Date:
March 16, 2023
Filing Date:
July 29, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/105; B29C65/00; B29C65/18; H01M50/124; B29L31/00
Domestic Patent References:
WO2018163636A1 | 2018-09-13 |
Foreign References:
CN113044272A | 2021-06-29 | |||
KR20190048863A | 2019-05-09 | |||
KR20130140587A | 2013-12-24 | |||
JP2013196788A | 2013-09-30 | |||
KR20210120045A | 2021-10-06 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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