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. 19, 2002
Filed:
Mar. 16, 2000
Applicant:
Inventors:
Ryuji Ohshita, Neyagawa, JP;
Nobumichi Nishida, Tokushima, JP;
Hiroshi Watanabe, Sumoto, JP;
Shin Fujitani, Hirakata, JP;
Assignee:
Sanyo Electric Co., Ltd., Moriguchi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 ; H01M 4/50 ;
U.S. Cl.
CPC ...
H01M 4/58 ; H01M 4/50 ;
Abstract
A rechargeable lithium battery has a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive or negative electrode contains, as its active material, a complex oxide comprising a material represented by the compositional formula M Ti O and including an anatase-form crystal structure phase, wherein M is at least one metallic element selected from V, Mn, Fe, Co, Ni, Mo and Ir and x satisfies the relationship 0<x≦0.11. Lithium may further be added to the complex oxide.