The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2024
Filed:
Oct. 06, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Taek Soo Lee, Daejeon, KR;
Sang Hoon Choy, Daejeon, KR;
Ki Tae Kim, Daejeon, KR;
Cheol Woo Kim, Daejeon, KR;
Young Joon Jo, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/139 (2010.01); H01M 4/04 (2006.01); H01M 4/62 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/139 (2013.01); H01M 4/0404 (2013.01); H01M 4/621 (2013.01); H01M 10/052 (2013.01);
Abstract
The present invention relates to an electrode slurry coating device and method, wherein the heights of first and second slot die heads for discharging active material can be controlled according to time to improve process efficiency and reduce defect rates when forming an active material layer having a double layer structure.