Title:
ELECTRODE DRYING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/214816
Kind Code:
A1
Abstract:
The present invention relates to an electrode drying apparatus and an electrode drying method using same, and more particularly, to an electrode drying apparatus and drying method whereby uniform drying can be performed and cracks can be prevented from occurring in a coated active material. According to one embodiment of the present invention, an electrode drying apparatus may be provided, the apparatus comprising: an air supply fan for supplying air, through an air supply duct, to a drying space in which is dried an electrode in which a coating liquid is applied on a current collector; an exhaust fan for exhausting air from the drying space through an exhaust duct; a recovery duct for supplying the air supply fan with the air discharged from the exhaust fan; a recovery damper for controlling the amount of air that flows into the recovery duct; a main hygrometer for sensing the absolute humidity of the air supplied to the drying space; and a control unit for controlling the opening of the recovery damper, according to the absolute humidity sensed by the main hygrometer, in order to adjust the absolute humidity of the air that flows into the drying space.
Inventors:
KIM TAE YEON (KR)
LEE DOO HYUN (KR)
SON JAE HUOUNG (KR)
AHN CHANG BUM (KR)
LEE DOO HYUN (KR)
SON JAE HUOUNG (KR)
AHN CHANG BUM (KR)
Application Number:
PCT/KR2023/006099
Publication Date:
November 09, 2023
Filing Date:
May 04, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M4/04; F26B21/00; F26B21/08; F26B25/06
Foreign References:
| KR20120095590A | 2012-08-29 | |||
| KR20210050721A | 2021-05-10 | |||
| KR20130127578A | 2013-11-25 | |||
| JP6019747B2 | 2016-11-02 | |||
| JP5503937B2 | 2014-05-28 |
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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