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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 6749965 B1

PDFFull Text
Date of Patent:
Jun. 15, 2004

Filed:

Jun. 16, 2000

Positive active material for lithium secondary batteries and method of preparing the same

Applicant:
Inventors:

Ho-Jin Kweon, Cheonan-si, KR;

Hyun-Sook Jung, Cheonan-si, KR;

Geun-Bae Kim, Cheonan-si, KR;

Dong-Gon Park, Seoul, KR;

Assignee:

Samsung SDI Co., Ltd., Kyungki-do, KR;

Attorney:

Blakely, Sokoloff, Taylor & Zafman

Primary Examiner:

Patrick Ryan

Assistant Examiner:

Tracy Dove

Int. Cl.
CPC ...
H01M 4/40 ; H01M 4/52 ;
U.S. Cl.
CPC ...
H01M 4/40 ; H01M 4/52 ;
Abstract

Disclosed is a positive active material for a lithium secondary battery having high capacity and long durability properties and particularly to a powder of Li Ni C O M O , Li Ni C O M O F or Li Ni C O M O S (where M is a metal selected from the group consisting of Al, Mg, Sr, La, Ce, V, and Ti and wherein 0≦0.99, 0.01≦y≦0.1, 0.01≦z≦0.1, and 1.00≦a≦1.1) is surface-treated by a metal alkoxide solution whereby the durability, capacity and structural safety of said positive active material is increased.

Find Patent Forward Citations

Kweon, Ho-Jin. (2004). Positive active material for lithium secondary batteries and method of preparing the same (U.S. Patent No. 6749965). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6749965

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

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