Hydrogen generating reactions

US11655148B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11655148-B2
Application numberUS-202016891014-A
CountryUS
Kind codeB2
Filing dateJun 2, 2020
Priority dateMar 3, 2020
Publication dateMay 23, 2023
Grant dateMay 23, 2023

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Compositions, methods, and reactors related to hydrogen production are generally described.

First claim

Opening claim text (preview).

What is claimed is: 1. A composition, comprising: an aluminum alloy comprising less than or equal to 50 weight percent (wt. %) silicon (Si) and/or less than or equal to 50 wt. % magnesium (Mg) based on a total weight of the aluminum alloy, wherein: the aluminum alloy comprises an activating composition comprising gallium (Ga), the Ga is concentrated proximate to grain boundaries of the aluminum alloy, wherein the aluminum alloy comprises the activating composition in an amount greater than 10 wt. % based on the total weight of the aluminum alloy, and wherein the composition is reactive with water. 2. The composition of claim 1 , wherein the aluminum alloy comprises greater than or equal to 0.6 wt. % Si and greater than or equal to 1 wt. % Mg based on the total weight of the aluminum alloy. 3. The composition of claim 1 , wherein the aluminum alloy comprises greater than or equal to 0.6 wt. % Si based on the total weight of the aluminum alloy. 4. The composition of claim 1 , wherein the aluminum alloy comprises greater than or equal to 1 wt. % Mg based on the total weight of the aluminum alloy. 5. The composition of claim 1 , wherein the activating composition comprises indium (In), tin (Sn), bismuth (Bi) and/or zinc (Zn), and wherein the In, Sn, Bi, and/or Zn is concentrated proximate to the grain boundaries of the aluminum alloy. 6. The composition of claim 1 , wherein the activating composition is an eutectic composition comprising Ga and In. 7. The composition of claim 1 , wherein the aluminum alloy comprises the activating composition in an amount less than or equal to 50 wt. % based on the total weight of the aluminum alloy. 8. The composition of claim 1 , wherein the aluminum alloy comprises an average grain size of less than or equal to 500 micrometers. 9. The composition of claim 1 , wherein the aluminum alloy comprises an average grain size of greater than or equal to 20 micrometers. 10. The composition of claim 1 , wherein the aluminum alloy comprises an eutectic composition comprising Ga and In disposed within the grain boundaries and/or subgrain boundaries of the aluminum alloy. 11. The composition of claim 1 , wherein the aluminum alloy comprises an equiaxed grain structure. 12. The composition of claim 11 , wherein the aluminum alloy comprises an average grain size of less than or equal to 100 micrometers. 13. The composition of claim 1 , wherein the aluminum alloy comprises an elongated grain structure. 14. The composition of claim 1 , wherein the aluminum alloy comprises greater than or equal to 1 wt. % Si and greater than or equal to 1 wt. % Mg based on the total weight of the aluminum alloy. 15. The composition of claim 1 , wherein the aluminum alloy comprises the activating composition in an amount greater than or equal to 20 wt. % based on the total weight of the aluminum alloy. 16. The composition of claim 1 , wherein the aluminum alloy comprises the activating composition in an amount greater than or equal to 30 wt. % based on the total weight of the aluminum alloy. 17. The composition of claim 1 , wherein the aluminum alloy comprises the activating composition in an amount greater than or equal to 40 wt. % based on the total weight of the aluminum alloy.

Assignees

Inventors

Classifications

  • Controlling the feed · CPC title

  • the product being hydrogen · CPC title

  • Hydrogen production from non-carbon containing sources, e.g. by water electrolysis · CPC title

  • Production of hydrogen; Production of gaseous mixtures containing hydrogen · CPC title

  • Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology · CPC title

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Frequently asked questions

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What does patent US11655148B2 cover?
Compositions, methods, and reactors related to hydrogen production are generally described.
Who is the assignee on this patent?
Massachusetts Inst Technology
What technology area does this patent fall under?
Primary CPC classification C22C21/08. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue May 23 2023 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).