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:
Apr. 28, 2015
Filed:
May. 11, 2012
Sung Kyun Chang, Daejeon, KR;
Eui Yong Bang, Daejeon, KR;
Min Chul Jang, Daejeon, KR;
Sang Hoon Choy, Daejeon, KR;
Ki Young Lee, Daejeon, KR;
Sung Kyun Chang, Daejeon, KR;
Eui Yong Bang, Daejeon, KR;
Min Chul Jang, Daejeon, KR;
Sang Hoon Choy, Daejeon, KR;
Ki Young Lee, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
Disclosed is a method for preparing an electrochemical device, comprising the steps of: charging an electrochemical device using an electrode active material having a gas generation plateau potential in a charging period to an extent exceeding the plateau potential; and degassing the electrochemical device. An electrochemical device, which comprises an electrode active material having a gas generation plateau potential in a charging period, and is charged to an extent exceeding the plateau potential and then degassed, is also disclosed.