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:
Dec. 10, 2013
Filed:
Sep. 01, 2011
Seungeun Choi, Daejeon, KR;
Eunyoung Goh, Daejeon, KR;
Hyang Mok Lee, Daejeon, KR;
Heegyoung Kang, Cheonan-si, KR;
Sangbaek Ryu, Daejeon, KR;
Kiwoong Kim, Daejeon, KR;
Seungeun Choi, Daejeon, KR;
Eunyoung Goh, Daejeon, KR;
Hyang Mok Lee, Daejeon, KR;
Heegyoung Kang, Cheonan-si, KR;
Sangbaek Ryu, Daejeon, KR;
Kiwoong Kim, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed is a cathode material comprising a mixture of an oxide powder (a) defined herein and an oxide powder (b) selected from the group consisting of an oxide powder (b1) defined herein and an oxide powder (b2) defined herein and a combination thereof wherein a mix ratio of the two oxide powders (oxide powder (a):oxide powder (b)) is 50:50 to 90:10. The cathode material uses a combination of an oxide powder (a) and 50% or less of an oxide powder (b) which can exert high capacity, high cycle stability, superior storage stability and high-temperature stability, thus advantageously exhibiting high energy density and realizing high capacity batteries.