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Title:
VACUUM DRYING DEVICE FOR ELECTRODE IN ROLL-TO-ROLL STATE AND VACUUM DRYING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/186550
Kind Code:
A1
Abstract:
A vacuum drying device for electrodes in roll-to-roll state according to the present invention comprises: a low vacuum exhaust mechanism for vacuum exhausting the inside of a vacuum chamber in low vacuum; a medium-high vacuum exhaust mechanism connected to the vacuum chamber by a low vacuum pipe and a separate medium-high vacuum pipe to vacuum exhaust the inside of the vacuum chamber in medium vacuum or high vacuum; and a control unit connected to the low vacuum exhaust mechanism and the medium-high vacuum exhaust mechanism and controlling vacuum in the vacuum chamber in stages to dry electrodes.

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Inventors:
KIM JIN GON (KR)
KANG TAE WON (KR)
JUNG SU TAEK (KR)
PARK DONG HYEUK (KR)
BAE SANG HO (KR)
JANG WOO SUN (KR)
Application Number:
PCT/KR2022/002741
Publication Date:
September 09, 2022
Filing Date:
February 24, 2022
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
F26B5/04; F26B15/12; F26B25/00; H01M4/04
Foreign References:
JP5984643B22016-09-06
KR101943268B12019-01-28
KR20150002074A2015-01-07
JP2021012829A2021-02-04
CN107782096B2020-07-31
KR20210027817A2021-03-11
JP5984643B22016-09-06
Other References:
See also references of EP 4155641A4
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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