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. 18, 2000
Filed:
Aug. 31, 1998
Applicant:
Inventors:
Tatsumi Ishihara, Oita, JP;
Yusaku Takita, Oita, JP;
Assignees:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 33 ; 429 30 ; 429 40 ; 429 41 ; 4292182 ; 501123 ; 501126 ; 501152 ; 96-4 ; 96-6 ; 2525191 ; 2525211 ; 2525212 ; 427 77 ; 427115 ; 204295 ;
Abstract
An oxide ion mixed conductive substance has the formula of A.sub.1-x Ca.sub.x Ga.sub.1-y B.sub.y oxide, wherein A is at least one lanthanoid element having a trivalent octacoordinated ion radius of 1.05 to 1.15 .ANG., B is at least one element selected from the group consisting of Co, Fe, Ni and Cu, x is 0.05 to 0.3, y is 0.05 to 0.3. The oxide ion mixed conductive substance has the perovskite structure.