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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 9160030 B1

PDFFull Text
Date of Patent:
Oct. 13, 2015

Filed:

Aug. 01, 2013

Mandrel for preparation of jelly-roll type electrode assembly

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jae Cheol Jeong, Incheon, KR;

Hak Kyun Kim, Cheongju-si, KR;

Dong-Myung Kim, Daejeon, KR;

Sunhwan Kim, Suwon-si, KR;

Chang Sin Yeo, Cheongwon-gun, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Nicholas P D'Aniello

Int. Cl.
CPC ...
H01M 10/04 (2006.01); H01M 10/052 (2010.01); H01M 10/02 (2006.01); H01M 10/0587 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0431 (2013.01); H01M 10/02 (2013.01); H01M 10/052 (2013.01); H01M 10/0587 (2013.01); H01M 10/049 (2013.01); Y02E 60/122 (2013.01);
Abstract

Disclosed herein is a mandrel configured to be used in a winding process for manufacturing a jelly roll type electrode assembly using a long sheet type stack of a cathode/separator/anode structure, wherein the mandrel is oval in a section perpendicular to a rotational central axis of the mandrel, a length ratio of a major axis to a minor axis of the mandrel being 1.5 or more, and a tilt of an outer side of the mandrel is continuously changed from an end of the minor axis of the mandrel to an end of the major axis of the mandrel in the section perpendicular to the rotational central axis of the mandrel.

Find Patent Forward Citations

Jeong, Jae. (2015). Mandrel for preparation of jelly-roll type electrode assembly (U.S. Patent No. 9160030). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9160030

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

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