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. 07, 2014
Filed:
Dec. 10, 2010
Kyu-nam Joo, Yongin-si, KR;
Beom-kwon Kim, Yongin-si, KR;
Jong-hee Lee, Yongin-si, KR;
Young-su Kim, Yongin-si, KR;
Deok-hyun Kim, Yongin-si, KR;
Gu-hyun Chung, Yongin-si, KR;
So-ra Lee, Yongin-si, KR;
Jae-myung Kim, Yongin-si, KR;
Kyu-Nam Joo, Yongin-si, KR;
Beom-Kwon Kim, Yongin-si, KR;
Jong-Hee Lee, Yongin-si, KR;
Young-Su Kim, Yongin-si, KR;
Deok-Hyun Kim, Yongin-si, KR;
Gu-Hyun Chung, Yongin-si, KR;
So-Ra Lee, Yongin-si, KR;
Jae-Myung Kim, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Abstract
A negative electrode for a lithium ion secondary battery and a lithium ion secondary battery, the negative electrode including a multilayer film, the multilayer film having three or more layers on a metal base, wherein the multilayer film includes one or more porous layers.