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:
Nov. 10, 2009
Filed:
Aug. 16, 2004
Koji Tatsumi, Chigasaki, JP;
Toshiaki Abe, Chigasaki, JP;
Naoshi Saito, Chigasaki, JP;
Manabu Suhara, Chigasaki, JP;
Koji Tatsumi, Chigasaki, JP;
Toshiaki Abe, Chigasaki, JP;
Naoshi Saito, Chigasaki, JP;
Manabu Suhara, Chigasaki, JP;
Seimi Chemical Co., Ltd., Chigasaki-shi, Kanagawa-ken, JP;
Abstract
A positive electrode material for a lithium secondary battery for high voltage high capacity use exhibiting high cycle durability and high safety. The positive electrode material is composed of particles having a composition represented by the general formula: LiCoMgAOF(A is the group 6 transition element or the group 14 element, 0.90≦a≦1.10, 0.97≦b≦1.00, 0.0001≦c≦0.03, 0.0001≦d≦0.03, 1.98≦e≦2.02, 0≦f≦0.02 and 0.0001≦c+d≦0.03), and magnesium, the element A and fluorine exist uniformly in the vicinity of the surfaces of the particles.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile