Lithium-ion-conductive ceramic material, lithium-ion-conductive ceramic sintered body, and lithium battery
US11011776B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2017 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Feb 2, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
[OBJECTS]An object of the present invention is to provide a lithium-ion-conductive ceramic material having a target ion conductivity, while suppressing production cost. Another object is to provide a high-performance lithium battery, while suppressing production cost, by virtue of having the lithium-ion-conductive ceramic material.The lithium-ion-conductive ceramic material contains Li, La, and Zr, as well as at least one of Mg and A (wherein A represents at least one element selected from the group consisting of Ca, Sr, and Ba) and which has a garnet-type crystal structure, wherein the elements contained in the ceramic material satisfy the following mole ratio conditions (1) to (3): (1) 1.33≤Li/(La+A)≤3; (2) 0<Mg/(La+A)≤0.5; and (3) 0<A/(La+A)≤0.67, and a lithium battery employing the ceramic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.