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:
Jul. 06, 2010
Filed:
Nov. 17, 2003
Yoshiaki Hamano, Chiba, JP;
Hidefumi Konnai, Chiba, JP;
Yoshiaki Hamano, Chiba, JP;
Hidefumi Konnai, Chiba, JP;
JFE Mineral Company Ltd., Tokyo, JP;
Abstract
A positive electrode material for a lithium secondary battery which is high in safety, high in capacity, excellent in rate performance and high temperature storage performance and high in charge/discharge efficiency is provided. The positive electrode material for a lithium secondary battery is obtained by adding Al to a Li—Ni—Co—Ba—O system raw material or preferably by adding Al and an amorphous phase of an oxide thereto. The positive electrode material for a lithium secondary battery is a composite oxide having a total composition represented by LiNiCoBaAlOor LiNiCoBaAlMOwhere