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Mayenite-type compound containing imide anion, and method for producing same
US10016742B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10016742-B2 |
| Application number | US-201515123602-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 12, 2015 |
| Priority date | Mar 7, 2014 |
| Publication date | Jul 10, 2018 |
| Grant date | Jul 10, 2018 |
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- Title
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Abstract
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The invention related to a material that can stably hold an imide anion (NH 2− ) therein even in the atmosphere or in a solvent, and a method for synthesizing the material and a use of the material. A mayenite-type compound into which imide anions are incorporated at a concentration of 1×10 18 cm −3 or more are provided. The mayenite-type compound can be produced by heating a mayenite-type compound including electrons or free oxygen ions in a cage thereof, in liquefied ammonia at 450 to 700° C. and at a pressure of 30 to 100 MPa. The compound has properties such that active imide anions can be easily incorporated into the compound and the active imide anions can be easily released in the form of ammonia from the compound, and the compound has chemical stability.
First claim
Opening claim text (preview).
The invention claimed is: 1. A mayenite-type compound, wherein imide anions are incorporated into the mayenite-type compound at a concentration of 1×10 18 cm −3 or more, and the mayenite-type compound is a compound having the same type of crystal structure as a crystal structure of mayenite. 2. A method for producing the mayenite-type compound according to claim 1 comprising: heating a mayenite-type compound including electrons or free oxygen ions in a cage thereof, in liquefied ammonia at 450° C. to 700° C. and at a pressure of 30 to 100 MPa. 3. An imide anion supplying material comprising the mayenite-type compound according to claim 1 . 4. An ammonia supplying material comprising the mayenite-type compound according to claim 1 . 5. The mayenite-type compound according to claim 1 , wherein imide anions are incorporated into the mayenite-type compound at a concentration of 1×10 18 cm −3 to 1.1×10 21 cm −3 . 6. The method according to claim 2 , comprising heating a mayenite-type compound including electrons or free oxygen ions in a cage thereof, in liquefied ammonia at 450° C. to 650° C. and at a pressure of 30 to 100 MPa.
Assignees
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Classifications
- B01J20/041Primary
Oxides or hydroxides · CPC title
making use of solid ammonia storage materials, e.g. complex ammine salts · CPC title
Calcium aluminates · CPC title
Strontium aluminates · CPC title
Electric properties · CPC title
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- What does patent US10016742B2 cover?
- The invention related to a material that can stably hold an imide anion (NH 2− ) therein even in the atmosphere or in a solvent, and a method for synthesizing the material and a use of the material. A mayenite-type compound into which imide anions are incorporated at a concentration of 1×10 18 cm −3 or more are provided. The mayenite-type compound can be produced by heating a mayenite-type co…
- Who is the assignee on this patent?
- Japan Science & Tech Agency, Tokyo Inst Tech
- What technology area does this patent fall under?
- Primary CPC classification B01J20/041. Mapped technology areas include Operations & Transport.
- 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).