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. 26, 2013
Filed:
Sep. 19, 2011
Nam-soon Choi, Yongin-si, KR;
Kyoung-han Ryu, Yongin-si, KR;
Su-yeong Park, Yongin-si, KR;
Doo-kyoung Lee, Yongin-si, KR;
Sang-min Lee, Yongin-si, KR;
Wan-uk Choi, Yongin-si, KR;
Nam-Soon Choi, Yongin-si, KR;
Kyoung-Han Ryu, Yongin-si, KR;
Su-Yeong Park, Yongin-si, KR;
Doo-Kyoung Lee, Yongin-si, KR;
Sang-Min Lee, Yongin-si, KR;
Wan-Uk Choi, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Negative active materials, negative electrodes, and rechargeable lithium batteries are provided. A negative electrode according to one embodiment includes a non-carbon-based active material, a lithium salt having an oxalatoborate structure, and a high-strength polymer binder. The negative active material may include a non-carbon-based material and a coating layer on the non-carbon-based material. The coating layer includes a lithium salt having an oxalatoborate structure and a high-strength polymer binder. A rechargeable lithium battery including the negative electrode or negative active material has good cycle life characteristics and high capacity.