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:
May. 23, 2017
Filed:
Nov. 27, 2013
Lg Chem, Ltd., Seoul, KR;
Young-Hoon Kim, Daejeon, KR;
Sung-jin Kwon, Daejeon, KR;
Soon-Ho Ahn, Daejeon, KR;
Dong-Myung Kim, Daejeon, KR;
Ki-Woong Kim, Daejeon, KR;
Seung-Min Ryu, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
There is provide an electrode assembly including an electrode laminate having a plurality of electrode units rolled up to be stacked on one another in at least two rectangularly shaped separation films, the electrode assembly being characterized in that at least one of two rectangularly shaped separation films is disposed on upper and lower surfaces of the respective electrode unit, at least one separation film disposed on one surface being different from a separation film disposed on another surface, and the electrode laminate includes at least one step formed by stacking an electrode unit having a difference in area from an electrode unit adjacent thereto, having one of the rectangularly shaped separation films as a boundary therebetween.