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:
Oct. 02, 2012
Filed:
May. 04, 2007
Jongmoon Yoon, Daejeon, KR;
Kijae Kim, Seoul, KR;
Heekook Yang, Daejeon, KR;
Inchul Shin, Daejeon, KR;
Eun Ji Yoo, Seongnam-si, KR;
Jongmoon Yoon, Daejeon, KR;
KiJae Kim, Seoul, KR;
Heekook Yang, Daejeon, KR;
Inchul Shin, Daejeon, KR;
Eun Ji Yoo, Seongnam-si, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed herein is a double winding type electrode assembly constructed in a structure in which a cathode and an anode are opposite to each other while a separator is disposed between the cathode and the anode, wherein the electrode assembly is manufactured by preparing a plurality of cell units, each cell unit having a cathode sheet and an anode sheet, of a predetermined size, wound, while a separator is disposed between the cathode sheet and the anode sheet, each cell unit being elliptical in section, and sequentially winding the cell units while arranging the cell units on a long separator sheet.