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.

Date of Patent:
Aug. 09, 2016

Filed:

Feb. 27, 2013
Applicants:

Ki Chul Hong, Uiwang-si, KR;

Myung Kook Park, Uiwang-si, KR;

Jae Goo Doh, Uiwang-si, KR;

Jun Ho Chung, Uiwang-si, KR;

Inventors:

Ki Chul Hong, Uiwang-si, KR;

Myung Kook Park, Uiwang-si, KR;

Jae Goo Doh, Uiwang-si, KR;

Jun Ho Chung, Uiwang-si, KR;

Assignee:

CHEIL INDUSTRIES, INC., Gumi-si, Kyeongsangbuk-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/14 (2006.01); H01M 2/16 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); H01M 2/166 (2013.01); H01M 2/1653 (2013.01); H01M 10/052 (2013.01); Y02T 10/7011 (2013.01);
Abstract

A porous separator including a porous base film; and a coating layer, the coating layer being on a surface of the porous base film and including a polyvinylidene fluoride homopolymer, a polyvinylidene fluoride-hexafluoropropylene copolymer, and inorganic particles, wherein the separator exhibits a thermal shrinkage of about 30% or less in a machine direction (MD) or in a transverse direction (TD), as measured after leaving the separator at 150° C. for 1 hour, a peel strength of about 50 gf/cmor more between the coating layer and the base film, and an adhesive strength of about 20 gf/cmor more between the coating layer and electrodes of a battery.


Find Patent Forward Citations

Hong, Ki. (2016). Separator including coating layer of inorganic and organic mixture, and battery including the same (U.S. Patent No. 9412988). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9412988

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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