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:
Jul. 18, 2000
Filed:
Sep. 08, 1998
Hyun Kyung Sung, Taejeon, KR;
Hyun Jung Kim, Kimhae, KR;
Kwanyoung Lee, Taejeon, KR;
Hosull Lee, Taejeon, KR;
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Abstract
The present invention relates to an improved secondary battery having high weight energy density and good reversibility, more specifically, a battery containing i) a positive electrode comprising a reversible positive electrode material containing an organosulfur compound wherein sulfur-sulfur bond is formed upon oxidation and sulfur-sulfur bond is cleaved upon electrolytic reduction, an electroactive component selected from main group elements compound, electrically conductive ingredients and a current collector containing copper metal; ii) a polymer electrolyte having lithium salt; and iii) a negative electrode made of lithium metal, lithium alloy or lithium intercalating carbon.