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:
Feb. 15, 2005
Filed:
Jun. 18, 2003
Applicants:
Keiko Matsubara, Yokohama, JP;
Toshiaki Tsuno, Yokohama, JP;
Akira Takamuku, Yokohama, JP;
Kyou-yoon Sheem, Ohsan, KR;
Inventors:
Keiko Matsubara, Yokohama, JP;
Toshiaki Tsuno, Yokohama, JP;
Akira Takamuku, Yokohama, JP;
Kyou-Yoon Sheem, Ohsan, KR;
Assignee:
Samsung SDI Co., LTD, Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M004/62 ;
U.S. Cl.
CPC ...
Abstract
An electrode for a rechargeable lithium battery includes a current collector and an active material layer formed on the current collector. The active material layer includes an active material, a binder and a water-soluble polymer. The binder is a copolymer of (metha)acrylic acid and (metha)acrylic alkylester, and an amorphous polypropylene homopolymer or an amorphous copolymer of propylene and a Cto Colefin.