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:
Apr. 15, 2014
Filed:
Sep. 23, 2011
Chun-gyoo Lee, Yongin-si, KR;
Jae-myung Kim, Yongin-si, KR;
Chang-wook Kim, Yongin-si, KR;
Byung-joo Chung, Yongin-si, KR;
Han-eol Park, Yongin-si, KR;
Chun-Gyoo Lee, Yongin-si, KR;
Jae-Myung Kim, Yongin-si, KR;
Chang-Wook Kim, Yongin-si, KR;
Byung-Joo Chung, Yongin-si, KR;
Han-Eol Park, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Abstract
A negative electrode for a lithium rechargeable battery includes a current collector, and a negative active material layer on the current collector, the negative active material layer including a silicon-based active material, a carbon-based active material, and an aqueous additive including an aqueous binder and an agent for increasing viscosity, the silicon-based active material being coated with an organic binder, wherein the aqueous additive is between portions of the silicon-based active material, between portions of the carbon-based active material, or between the silicon-based active material and the carbon-based active material.