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:
Feb. 03, 2015
Filed:
Dec. 12, 2013
Lg Chem, Ltd., Seoul, KR;
Sung-Jin Kwon, Daejeon, KR;
Young-Hoon Kim, Daejeon, KR;
Soon-Ho Ahn, Daejeon, KR;
Dong-Myung Kim, Daejeon, KR;
Ki-Woong Kim, Daejeon, KR;
Sung-Han Yoon, Daejeon, KR;
Seung-Min Ryu, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
There is provided an electrode assembly. The electrode assembly includes a stack of unit cells respectively including at least one negative electrode and at least one positive electrode, alternately stacked, wherein at least one separator is placed on each of both sides of the electrodes, and at least one of the unit cells has an area different from that of an adjacent unit cell to form at least one stepped portion on the electrode assembly. In addition, there are also provided a battery cell, a battery pack, and a device that include the electrode assembly.