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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.:

US 6613479 B1

PDFFull Text
Date of Patent:
Sep. 02, 2003

Filed:

Feb. 26, 2001

Positive electrode material and battery for nonaqueous electrolyte secondary battery

Applicant:
Inventors:

Tatsuhiro Fukuzawa, Kanagawa, JP;

Fumio Munakata, Yokohama, JP;

Yasuhiko Ohsawa, Kanagawa, JP;

Yuuji Tanjo, Yokohama, JP;

Takuya Mihara, Kanagawa, JP;

Takashi Kimura, Kanagawa, JP;

Kazuo Sunahara, Kanagawa, JP;

Manabu Suhara, Kanagawa, JP;

Assignee:

Other;

Attorney:

Foley & Lardner

Primary Examiner:

Randy Gulakowski

Assistant Examiner:

Monique Wills

Int. Cl.
CPC ...
H01M 1/024 ;
U.S. Cl.
CPC ...
H01M 1/024 ;
Abstract

A positive electrode active material for a nonaqueous electrolyte secondary battery includes at least a lithium-containing manganese layered composite oxide represented by the general formula Li1-xMO2-y-&dgr;Fy. The second metallic element or constituent M may be Mn or a combination of Mn and substitute metal such as Co, Ni, Cr, Fe, Al, Ga or In. A lithium deficiency quantity x is in the range of 0<x<1. An oxygen defect quantity &dgr; may be equal to or smaller than 0.2. A quantity y of fluorine substituting for part of oxygen is greater than zero.

Find Patent Forward Citations

Fukuzawa, Tatsuhiro. (2003). Positive electrode material and battery for nonaqueous electrolyte secondary battery (U.S. Patent No. 6613479). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6613479

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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