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:
Nov. 27, 2012
Filed:
Sep. 07, 2007
Sung-hoon Yu, Daejeon, KR;
Jeong-ju Cho, Daejeon, KR;
Soo-jin Kim, Daejeon, KR;
Soo-hyun Ha, Daejeon, KR;
Sung-Hoon Yu, Daejeon, KR;
Jeong-Ju Cho, Daejeon, KR;
Soo-Jin Kim, Daejeon, KR;
Soo-Hyun Ha, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
Disclosed is a composition for a gel polymer electrolyte, the composition comprising: (i) a cyclic compound as a first crosslinking agent, the cyclic compound containing a cyclic group at the center thereof and having at least three double bonds at the end thereof; (ii) a linear or branched compound as a second crosslinking agent, the linear or branched compound containing an oxyalkylene group at the center thereof and having at least two (meth)acryl groups at the end thereof; (iii) an electrolyte solvent; (iv) an electrolyte salt; and (v) a polymerization initiator. Also, disclosed are a gel polymer electrolyte formed by polymerizing the composition for a gel polymer electrolyte, and an electrochemical device comprising the gel polymer electrolyte.