Sulfide glass, and method for producing sulfide glass ceramic
US-2015207170-A1 · Jul 23, 2015 · US
Method for producing sulfide solid electrolyte material
US2016133989A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016133989-A1 |
| Application number | US-201414896557-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 14, 2014 |
| Priority date | Jun 28, 2013 |
| Publication date | May 12, 2016 |
| Grant date | — |
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Abstract
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A sulfide solid electrolyte material having high Li ion conductivity can be obtained by providing a method for producing a sulfide solid electrolyte material that has peaks at 2θ=20.2° and 2θ=23.6° in an X ray diffraction measurement using a CuKα ray, the method including steps of: an amorphizing step of obtaining sulfide glass by amorphization of a raw material composition that contains at least Li 2 S, P 2 S 5 , LiI and LiBr and a heat treatment step of heating the sulfide glass at a temperature of 195° C. or higher.
First claim
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1 . A method for producing a sulfide solid electrolyte material that has peaks at 2θ=20.2° and 2θ=23.6° in an X ray diffraction measurement using a CuKα ray, the method comprising steps of: an amorphizing step of obtaining sulfide glass by amorphization of a raw material composition that contains at least Li 2 S, P 2 S 5 , LiI and LiBr; and a heat treatment step of heating the sulfide glass at a temperature of 195° C. or higher. 2 . The method for producing a sulfide solid electrolyte material according to claim 1 , wherein the sulfide solid electrolyte material has no peaks at 2θ=21.0° and 28.0°. 3 . The method for producing a sulfide solid electrolyte material according to claim 1 , wherein a ratio of the LiI is more than 5 mol % and less than 15 mol % in the raw material composition, and a ratio of the LiBr is equal to or more than 10 mol % and equal to or less than 20 mol % in the raw material composition.
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containing halogen, e.g. chalcohalide glasses · CPC title
for ion-sensitive glass · CPC title
- H01M10/0562Primary
Solid materials · CPC title
Li-accumulators · CPC title
inorganic · CPC title
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- What does patent US2016133989A1 cover?
- A sulfide solid electrolyte material having high Li ion conductivity can be obtained by providing a method for producing a sulfide solid electrolyte material that has peaks at 2θ=20.2° and 2θ=23.6° in an X ray diffraction measurement using a CuKα ray, the method including steps of: an amorphizing step of obtaining sulfide glass by amorphization of a raw material composition that contains at lea…
- Who is the assignee on this patent?
- Toyota Motor Co Ltd
- 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 Thu May 12 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).