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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.:

US 9947957 B1

PDFFull Text
Date of Patent:
Apr. 17, 2018

Filed:

May. 31, 2013

Secondary battery of excellent productability and safety

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Do Gyun Kim, Chungcheongbuk-do, KR;

Dong-Myung Kim, Daejeon, KR;

Dong Sub Lee, Icheon-si, KR;

Sang Bong Nam, Cheonan-si, KR;

Sang Sok Jung, Chungcheongbuk-do, KR;

Assignee:

LG Chem, Ltd., , KR;

Attorney:

Lerner, David, Littenberg, Krumholz & Mentlik, LLP

Primary Examiner:

Stephan Essex

Int. Cl.
CPC ...
H01M 10/04 (2006.01); H01M 2/12 (2006.01); H01M 10/052 (2010.01); H01M 10/0587 (2010.01); H01M 2/04 (2006.01); H01M 2/36 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0431 (2013.01); H01M 2/043 (2013.01); H01M 2/0417 (2013.01); H01M 2/12 (2013.01); H01M 2/36 (2013.01); H01M 10/0422 (2013.01); H01M 10/052 (2013.01); H01M 10/0587 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract

Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulating member is mounted on the top of the jelly-roll and the insulating member includes a perforated inlet enabling gas discharge and penetration of electrode terminals and a plurality of pores with a diameter of 100 μm or less provided over the entire surface of the insulating member.

Find Patent Forward Citations

Kim, Do. (2018). Secondary battery of excellent productability and safety (U.S. Patent No. 9947957). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9947957

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

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