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. 01, 2011
Filed:
Jan. 06, 2004
Applicants:
Kyou-yoon Sheem, Ohsan, KR;
Keiko Matsubara, Yokohama, JP;
Toshiaki Tsuno, Yokohama, JP;
Akira Takamuku, Yokohama, JP;
Inventors:
Kyou-Yoon Sheem, Ohsan, KR;
Keiko Matsubara, Yokohama, JP;
Toshiaki Tsuno, Yokohama, JP;
Akira Takamuku, Yokohama, JP;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a negative active material for a rechargeable lithium battery including ultra-fine particles comprising an element which is capable of alloying with lithium. The particles have a diameter of 1 nm to 200 nm, a Raman shift of 480 cmto 520 cmmeasured by Raman Spectroscopy, and a full width at half-maximum of 10 cmto 30 cm.