Title:
APPARATUS FOR PRE-LITHIATION OF NEGATIVE ELECTRODE AND METHOD FOR PRE-LITHIATION OF NEGATIVE ELECTRODE
Document Type and Number:
WIPO Patent Application WO/2022/039448
Kind Code:
A1
Abstract:
An apparatus for the pre-lithiation of a negative electrode comprises: a pre-lithiation reactor in which a pre-lithiation solution is accommodated; a high-pressure diaphragm that has the shape of a chamber surrounding the outside of the pre-lithiation reactor, and maintains an internal air pressure exceeding atmospheric pressure; at least one lithium metal counter electrode disposed in the pre-lithiation solution so as to be facing and spaced a predetermined distance from a negative electrode introduced into the pre-lithiation solution; and a charging/discharging unit connected by a circuit to the negative electrode and the lithium metal counter electrode.
Inventors:
HWANG SEUNG HAE (KR)
KIM YE RI (KR)
LEE SU YEON (KR)
CHAE OH BYONG (KR)
JEON SEO YOUNG (KR)
KIM YE RI (KR)
LEE SU YEON (KR)
CHAE OH BYONG (KR)
JEON SEO YOUNG (KR)
Application Number:
PCT/KR2021/010786
Publication Date:
February 24, 2022
Filing Date:
August 13, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M4/139; H01M4/02; H01M4/04; H01M10/052
Foreign References:
| KR20200053300A | 2020-05-18 | |||
| JP2002343744A | 2002-11-29 | |||
| KR20200046944A | 2020-05-07 | |||
| US9598789B2 | 2017-03-21 | |||
| JP2007146213A | 2007-06-14 | |||
| KR20200105343A | 2020-09-07 |
Other References:
See also references of EP 4033564A4
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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