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. 14, 2006
Filed:
Jan. 31, 2001
Kyung-suk Yun, Seoul, KR;
Byung-won Cho, Seoul, KR;
Won-il Cho, Seoul, KR;
Hyung-sun Kim, Seoul, KR;
Un-sek Kim, Seoul, KR;
Hee-woo Rhee, Seoul, KR;
Yong-tae Kim, Seoul, KR;
Kyung-Suk Yun, Seoul, KR;
Byung-Won Cho, Seoul, KR;
Won-Il Cho, Seoul, KR;
Hyung-Sun Kim, Seoul, KR;
Un-Sek Kim, Seoul, KR;
Hee-Woo Rhee, Seoul, KR;
Yong-Tae Kim, Seoul, KR;
Korea Institute of Science and Technologies, Seoul, KR;
Abstract
The present invention relates to a multi-layered, UV-cured polymer electrolyte and lithium secondary battery comprising the same, wherein the polymer electrolyte comprises: A) a separator layer formed of polymer electrolyte, PP, PE, PVdF or non-woven fabric, wherein the separator layer having two surfaces; B) at least one gelled polymer electrolyte layer located on at least one surface of the separator layer comprising: a) polymer obtained by curing ethyleneglycoldi(meth)acrylate oligomer of the formula (I) by UV irradiation: CH═CRCOO(CHCHO)COCR═CHwherein, Rand Rare independently hydrogen or methyl group, and n is a integer of 3–20; and b) at least one polymer selected from the group consisting of PVdF-based polymer, PAN-based polymer, PMMA-based polymer and PVC-based polymer; and C) organic electrolyte solution in which lithium salt is dissolved in a solvent.