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Lithium-ion conductive garnet and method of making membranes thereof
US10026990B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10026990-B2 |
| Application number | US-201514879346-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 9, 2015 |
| Priority date | Oct 16, 2014 |
| Publication date | Jul 17, 2018 |
| Grant date | Jul 17, 2018 |
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- Title
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Abstract
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A gallium doped garnet composition of the formula: Li 7-3y La 3 Zr 2 Ga y O 12 where y is from 0.4 to 2.0, and as defined herein. Also disclosed is a method for making a dense Li-ion conductive cubic garnet membrane, comprising one of two alternative lower temperature routes, as defined herein.
First claim
Opening claim text (preview).
What is claimed is: 1. A gallium doped garnet composition of the formula: Li 7-3y La 3 Zr 2 Ga y O 12 where y is from 0.5 to 2.0, the composition is a cubic garnet powder having sub-micron-sized particles of from 100 nm to 1000 nm, and the composition has a pure cubic garnet phase determined by x-ray diffraction (XRD) and has a lattice constant of 13.045 Angstroms. 2. The composition of claim 1 wherein y is from 0.6 to 2.0. 3. The composition of claim 1 wherein the sintering temperature of the composition is below 1000° C. 4. The composition of claim 1 wherein the composition is of the formula Li 5.2 La 3 Zr 2 Ga 0.6 O 12 . 5. The composition of claim 1 wherein y is 0.6.
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Classifications
by d-values or two theta-values, e.g. as X-ray diagram · CPC title
Thermal properties · CPC title
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
Oxides · CPC title
one element only · CPC title
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- What does patent US10026990B2 cover?
- A gallium doped garnet composition of the formula: Li 7-3y La 3 Zr 2 Ga y O 12 where y is from 0.4 to 2.0, and as defined herein. Also disclosed is a method for making a dense Li-ion conductive cubic garnet membrane, comprising one of two alternative lower temperature routes, as defined herein.
- Who is the assignee on this patent?
- Corning Inc
- What technology area does this patent fall under?
- Primary CPC classification H01M10/0562. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jul 17 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).