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Solid electrolyte material, solid electrolyte layer, fluoride ion battery, and method for producing fluoride ion battery
US10424811B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10424811-B2 |
| Application number | US-201715701841-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 12, 2017 |
| Priority date | Nov 8, 2016 |
| Publication date | Sep 24, 2019 |
| Grant date | Sep 24, 2019 |
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- Title
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Abstract
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An object of the present disclosure is to provide a solid electrolyte material with excellent ion conductivity at a low temperature. The present disclosure achieves the object by providing a solid electrolyte material to be used for a fluoride ion battery, the solid electrolyte material comprising: a solid electrolyte particle including a crystal phase, that has a Tysonite structure and contains an F element, as a main phase; and CsF; and the CsF content in the solid electrolyte material is 50% by weight or less.
First claim
Opening claim text (preview).
What is claimed is: 1. A solid electrolyte material to be used for a fluoride ion battery, the solid electrolyte material comprising: a solid electrolyte particle including a crystal phase, that has a Tysonite structure and contains an F element, as a main phase; and CsF; and the CsF content in the solid electrolyte material is 50% by weight or less. 2. The solid electrolyte material according to claim 1 , wherein the crystal phase has a composition represented by Ln 1-x M x F 3-x , in which Ln is a lanthanoid metal, M is an alkali earth metal, and x satisfies 0≤x≤0.2. 3. The solid electrolyte material according to claim 1 , wherein the CsF content in the solid electrolyte material is in a range of 20% by weight to 30% by weight. 4. A solid electrolyte layer to be used for a fluoride ion battery, the solid electrolyte layer comprising the solid electrolyte material according to claim 1 . 5. A fluoride ion battery comprising: a cathode layer, an anode layer, and a solid electrolyte layer formed between the cathode layer and the anode layer, wherein the solid electrolyte layer contains the solid electrolyte material according to claim 1 . 6. A method for producing a fluoride ion battery, the method comprising: a mixing step of mixing a solid electrolyte particle including a crystal phase, that has a Tysonite structure and contains an F element, as a main phase, and CsF, to obtain a solid electrolyte material; and a pressing step of pressing the solid electrolyte material to obtain a solid electrolyte layer; wherein the CsF content in the solid electrolyte material is 50% by weight or less. 7. The method for producing a fluoride ion battery according to claim 6 , wherein a heat treatment is performed in the pressing step.
Assignees
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Classifications
Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium · CPC title
in the form of mixtures · CPC title
- H01M10/0562Primary
Solid materials · CPC title
Construction or manufacture · CPC title
inorganic · CPC title
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Frequently asked questions
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- What does patent US10424811B2 cover?
- An object of the present disclosure is to provide a solid electrolyte material with excellent ion conductivity at a low temperature. The present disclosure achieves the object by providing a solid electrolyte material to be used for a fluoride ion battery, the solid electrolyte material comprising: a solid electrolyte particle including a crystal phase, that has a Tysonite structure and contain…
- Who is the assignee on this patent?
- Toyota Motor Co Ltd, Toyota Jidosha Kabushiki Kaishi
- 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 Sep 24 2019 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).