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:
Mar. 21, 2017
Filed:
Nov. 22, 2013
Lg Chem, Ltd., Seoul, KR;
Kyunghee Han, Gyeonggi-do, KR;
Chang Joo Han, Daejeon, KR;
Su-min Park, Daejeon, KR;
Jieun Lee, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
High energy density lithium secondary batteries are disclosed herein. In some embodiments, a high energy density lithium secondary battery includes a cathode, an anode, and a separator. The cathode includes a first cathode active material having a layered structure and a second cathode active material having a spinel structure, wherein the amount of the first cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials. The anode includes crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the crystalline graphite is between 40 and 100 wt % based on the total weight of the anode active materials.