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. 15, 2016
Filed:
Jan. 07, 2014
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-Do, KR;
Sung Soo Park, Yongin-si, KR;
Sang-Hun Lee, Yongin-si, KR;
Jae-Hyun Shim, Yongin-si, KR;
Jun-Kyu Cha, Yongin-si, KR;
Ki-Jun Kim, Yongin-si, KR;
Jae-Myung Kim, Yongin-si, KR;
Su-Bin Song, Yongin-si, KR;
Eun-Cheol Lee, Yongin-si, KR;
Samsung SDI Co., Ltd., Gyeonggi-Do, KR;
Abstract
Disclosed are a negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The negative active material includes a composite particle including a silicon particle and a carbon coating layer coated on the surface of the silicon particle and a porous space formed by the entangled carbon nanofibers, the composite particle contacting the external surface of the carbon nanofibers in the porous space of the carbon nanofiber structure, and the carbon nanofibers have a larger diameter than that of the composite particle and a diameter ranging from about 100 nm to about 2000 nm.