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:
Nov. 15, 2022
Filed:
Mar. 06, 2018
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventors:
Sunghee Ahn, Yongin-si, KR;
Hana Ra, Yongin-si, KR;
Suhak Bae, Yongin-si, KR;
Minjeong Lee, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/411 (2021.01); C08J 9/26 (2006.01); H01M 10/052 (2010.01); C08J 5/22 (2006.01); C08J 9/00 (2006.01); H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
H01M 50/411 (2021.01); C08J 5/2231 (2013.01); C08J 9/0061 (2013.01); C08J 9/26 (2013.01); H01M 10/052 (2013.01); H01M 50/449 (2021.01); C08J 2201/0442 (2013.01); C08J 2205/042 (2013.01); C08J 2205/044 (2013.01); C08J 2323/06 (2013.01); C08J 2423/06 (2013.01);
Abstract
The present invention relates to a porous film including polyethylene and pore-forming particles, wherein the porous film has a structure including lamella and fibril, and the average size of pores located inside the porous film is larger than the average size of pores located on the surface of the porous film; a separator including the same; and an electrochemical cell.