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:
Dec. 07, 2021
Filed:
Jan. 25, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Han Gab Song, Daejeon, KR;
Kyung Min Kim, Daejeon, KR;
Min Gyu Kim, Gyeonggi-do, KR;
Pil Kyu Park, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/116 (2021.01); H01M 10/04 (2006.01); H01M 10/0587 (2010.01); H01M 50/107 (2021.01); H01M 50/411 (2021.01); H01M 50/184 (2021.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 50/116 (2021.01); H01M 10/0422 (2013.01); H01M 10/0431 (2013.01); H01M 10/0587 (2013.01); H01M 50/107 (2021.01); H01M 50/184 (2021.01); H01M 50/411 (2021.01); H01M 10/052 (2013.01);
Abstract
The present disclosure provides an insulation member having excellent mechanical properties having enough shock-absorbing effect in external shock and volume change in a battery and provides a cylindrical secondary battery including the insulation member. The insulation member according to the present disclosure has excellent mechanical properties in high temperature, is composed of polypropylene having narrow molecular weight, and has a fine pattern on the surface.