Composite oxides of A-site defect type perovskite structure
US6129862A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1997 |
| Grant date | Oct 10, 2000 |
| Priority date | — |
| Expiry date | Nov 17, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/525
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An electrode material is disclosed which includes: a composite oxide of an A-site defect perovskite structure represented by the following general formula EQU (A'.sub.1-x A".sub.x).sub.1-y (B'.sub.1-y B".sub.y)O.sub.3-.delta. wherein A' is at least one element selected from the group consisting of La, Nd and Y, and A" is at least one element selected from the group consisting of Ba, Sr and Ca, and B' is Co and B" is at least one element selected from the group consisting of Mn, Fe, Ni and Cu, and 0.1.ltoreq..alpha.<0.2, 0<.delta..ltoreq.1, 0<x<1 and 0<y<1; and 2-20 parts by weight of a fluorite oxide based on 100 parts by weight of the composite oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.