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Sulfide solid electrolyte material, battery, and producing method for sulfide solid electrolyte material
US10020537B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10020537-B2 |
| Application number | US-201715426311-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 7, 2017 |
| Priority date | Feb 9, 2016 |
| Publication date | Jul 10, 2018 |
| Grant date | Jul 10, 2018 |
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Abstract
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A main object of the present disclosure is to provide a sulfide solid electrolyte material with favorable Li ion conductivity. To achieve the above object, the present disclosure provides a sulfide solid electrolyte material comprising a composition of Li (4+x) Al x Si (1−x) S 4 (0<x<1), and having a peak at a position of 2θ=25.19°±1.00°, 29.62°±1.00°, 30.97°±1.00° in X-ray diffraction measurement using a CuKα ray.
First claim
Opening claim text (preview).
What is claimed is: 1. A sulfide solid electrolyte material comprising a composition of Li (4+x) Al x Si (1−x) S 4 , wherein 0<x<1 is satisfied, and having a peak at a position of 2θ=25.19°±1.00°, 29.62°±1.00°, 30.97°±1.00° in X-ray diffraction measurement using a CuKα ray. 2. The sulfide solid electrolyte material according to claim 1 , wherein the sulfide solid electrolyte material has a further peak at a position of 2θ=15.34°±1.00° in X-ray diffraction measurement using a CuKα ray. 3. The sulfide solid electrolyte material according to claim 1 , wherein the peak at the position of 2θ=25.19°±1.00°, 29.62°±1.00°, 30.97°±1.00° is a peak of a crystal phase having Argyrodite structure. 4. The sulfide solid electrolyte material according to claim 1 , wherein 0.08≤x<1 is satisfied in the composition. 5. A battery comprising a cathode active material layer containing a cathode active material, an anode active material layer containing an anode active material, and an electrolyte layer formed between the cathode active material layer and the anode active material layer, wherein at least one of the cathode active material layer, the anode active material layer, and the electrolyte layer contains the sulfide solid electrolyte material according to claim 1 . 6. A producing method for the sulfide solid electrolyte material according to claim 1 , the method comprising: a preparing step of preparing a raw material composition containing a constituent of the sulfide solid electrolyte material, and a heating and quenching step of heating and quenching the raw material composition.
Assignees
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Classifications
inorganic · CPC title
Li-accumulators · CPC title
- H01M10/0562Primary
Solid materials · CPC title
Construction or manufacture · CPC title
Alkali metal sulfides or polysulfides · CPC title
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- What does patent US10020537B2 cover?
- A main object of the present disclosure is to provide a sulfide solid electrolyte material with favorable Li ion conductivity. To achieve the above object, the present disclosure provides a sulfide solid electrolyte material comprising a composition of Li (4+x) Al x Si (1−x) S 4 (0<x<1), and having a peak at a position of 2θ=25.19°±1.00°, 29.62°±1.00°, 30.97°±1.00° in X-ray diffraction measure…
- Who is the assignee on this patent?
- Tokyo Inst Tech, 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 Tue Jul 10 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).