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:
Oct. 22, 2013
Filed:
Sep. 21, 2010
Applicants:
Kyu-nam Joo, Suwon-si, KR;
Tae-sik Kim, Suwon-si, KR;
Beom-kwon Kim, Suwon-si, KR;
Inventors:
Assignee:
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/42 (2006.01); H01M 4/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A negative electrode for a lithium (Li) secondary battery, a method of forming the same, and a secondary battery, the negative electrode including a tin (Sn) based current collector layer; and a multilayer film on the Sn based current collector, the multilayer film having two or more layers, wherein the multilayer film includes at least one porous layer.