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. 12, 2016
Filed:
Nov. 28, 2008
Sang-min Lee, Suwon-si, KR;
Sung-soo Kim, Suwon-si, KR;
Goo-jin Jeong, Suwon-si, KR;
Nam-soon Choi, Suwon-si, KR;
Yong-mook Kang, Suwon-si, KR;
Min-seok Sung, Suwon-si, KR;
Leif Christensen, St. Paul, MN (US);
Sang-Min Lee, Suwon-si, KR;
Sung-Soo Kim, Suwon-si, KR;
Goo-Jin Jeong, Suwon-si, KR;
Nam-Soon Choi, Suwon-si, KR;
Yong-Mook Kang, Suwon-si, KR;
Min-Seok Sung, Suwon-si, KR;
Leif Christensen, St. Paul, MN (US);
Samsung SDI Co., Ltd., Yongin-si, KR;
3M Innovation Properties Company, St. Paul, MN (US);
Abstract
A negative active material for rechargeable lithium batteries and a method of manufacturing the negative active material are provided. The negative active material for rechargeable lithium batteries includes at least one generally spherical assembly having flake-shaped materials that are capable of doping and dedoping lithium, and are arranged in a generally spherical shape defining a central pore. The negative active material imparts improved cycle-life characteristics.