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:
Aug. 19, 2014
Filed:
Jun. 12, 2007
Euy-young Jung, Suwon-si, KR;
Duck-chul Hwang, Suwon-si, KR;
Jeom-soo Kim, Suwon-si, KR;
Jong-hwa Lee, Suwon-si, KR;
Yong-chul Park, Suwon-si, KR;
Jae-yul Ryu, Suwon-si, KR;
So-hyun Hur, Suwon-si, KR;
Euy-Young Jung, Suwon-si, KR;
Duck-Chul Hwang, Suwon-si, KR;
Jeom-Soo Kim, Suwon-si, KR;
Jong-Hwa Lee, Suwon-si, KR;
Yong-Chul Park, Suwon-si, KR;
Jae-Yul Ryu, Suwon-si, KR;
So-Hyun Hur, Suwon-si, KR;
Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Abstract
The rechargeable lithium battery of the present invention includes a positive electrode including a positive active material, a negative electrode including a negative active material, and a non-aqueous electrolyte. The positive active material includes a core and a coating layer formed on the core. The core is made of a material such as LiCoM'O, and the coating layer is made of a material such as MPO. The electrolyte solution includes a nitrile-based additive. The rechargeable lithium battery of the present invention shows higher cycle-life characteristics and longer continuous charging time at high temperature.