Title:
NEGATIVE ELECTRODE MANUFACTURING DEVICE AND NEGATIVE ELECTRODE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/235841
Kind Code:
A1
Abstract:
The present invention relates to a negative electrode manufacturing device comprising: a pre-lithiation reaction tank which is partitioned into an impregnation section, a pre-lithiation section, and an aging section in this order, and includes a pre-lithiation solution; a negative electrode roll which is disposed outside the pre-lithiation solution and can wind and unwind a negative electrode structure; and one or more pre-lithiation rolls which are disposed in the pre-lithiation solution and can make the negative electrode structure unwound from the negative electrode roll travel into the pre-lithiation reaction tank. The pre-lithiation roll includes an inner ring, an outer ring which is formed on the inner ring and can rotate, and a rolling body disposed between the inner ring and the outer ring. The outer ring included in the pre-lithiation roll includes a nonconductor.
Inventors:
CHAE OH BYONG (KR)
KIM YE RI (KR)
KIM YE RI (KR)
Application Number:
PCT/KR2020/006055
Publication Date:
November 26, 2020
Filing Date:
May 07, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/139; H01M4/04; H01M10/052
Domestic Patent References:
| WO2013082330A1 | 2013-06-06 |
Foreign References:
| KR101771122B1 | 2017-09-05 | |||
| KR20150014676A | 2015-02-09 | |||
| KR100806251B1 | 2008-03-31 | |||
| JP2004066824A | 2004-03-04 | |||
| KR101499568B1 | 2015-03-09 | |||
| KR100291067B1 | 2001-06-01 |
Other References:
See also references of EP 3958355A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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