Liquid-infiltrated solid-state electrolyte and rechargeable batteries comprising same
US-2020343580-A1 · Oct 29, 2020 · US
Sodium ion conductor and solid-state sodium-ion battery
US11355786B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11355786-B2 |
| Application number | US-202017064205-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 6, 2020 |
| Priority date | Oct 21, 2019 |
| Publication date | Jun 7, 2022 |
| Grant date | Jun 7, 2022 |
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- Title
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- Abstract
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Abstract
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Provided is a sodium ion conductor whose sodium ion conductivity is improved more than the conventional. The sodium ion conductor is a molecular crystal constituted of NaCB9H10, NaCB11H12, and a sodium halide, the sodium halide having a mol fraction of more than 0 and at most 70 on the basis of the total mol ratio of NaCB9H10, NaCB11H12, and the sodium halide.
First claim
Opening claim text (preview).
What is claimed is: 1. A sodium ion conductor that is a molecular crystal constituted of NaCB 9 H 10 , NaCB 11 H 12 , and a sodium halide, the sodium halide having a mol fraction of more than 0 and at most 70 on the basis of a total mol ratio of NaCB 9 H 10 , NaCB 11 H 12 , and the sodium halide. 2. The sodium ion conductor according to claim 1 , wherein the sodium halide is NaF. 3. The sodium ion conductor according to claim 1 , wherein the sodium halide has a mol fraction of 0.1 to 60. 4. The sodium ion conductor according to claim 1 , wherein fractions of NaCB 9 H 10 and NaCB 11 H 12 are such that NaCB 9 H 10 :NaCB 11 H 12 is equal to 50:50 to 90:10 in terms of mol ratio. 5. A solid-state sodium-ion battery comprising: a cathode active material layer; an anode active material layer; and a solid electrolyte layer that is arranged between the cathode active material layer and the anode active material layer, the solid electrolyte layer containing a sodium ion conductor that is a molecular crystal constituted of NaCB 9 H 10 , NaCB 11 H 12 , and a sodium halide, the sodium halide having a mol fraction of more than 0 and at most 70 on the basis of a total mol ratio of NaCB 9 H 10 , NaCB 11 H 12 , and the sodium halide. 6. The sodium ion conductor according to claim 5 , wherein the sodium halide is NaF. 7. The sodium ion conductor according to claim 5 , wherein the sodium halide has a mol fraction of 0.1 to 60. 8. The sodium ion conductor according to claim 5 , wherein fractions of NaCB 9 H 10 and NaCB 11 H 12 are such that NaCB 9 H 10 :NaCB 11 H 12 is equal to 50:50 to 90:10 in terms of mol ratio.
Assignees
Inventors
Classifications
- H01M10/3918Primary
characterised by the electrolyte · CPC title
inorganic · CPC title
- H01M10/054Primary
Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium · CPC title
Energy storage using batteries · CPC title
in the form of mixtures · CPC title
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- What does patent US11355786B2 cover?
- Provided is a sodium ion conductor whose sodium ion conductivity is improved more than the conventional. The sodium ion conductor is a molecular crystal constituted of NaCB9H10, NaCB11H12, and a sodium halide, the sodium halide having a mol fraction of more than 0 and at most 70 on the basis of the total mol ratio of NaCB9H10, NaCB11H12, and the sodium halide.
- Who is the assignee on this patent?
- Toyota Motor Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M10/3918. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 07 2022 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).