Gas Diffusion Electrodes and Methods for Fabricating and Testing Same
US-2015376803-A1 · Dec 31, 2015 · US
Catalyst property control with intermixed inorganics
US2016141632A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016141632-A1 |
| Application number | US-201615004568-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jan 22, 2016 |
| Priority date | Apr 23, 2009 |
| Publication date | May 19, 2016 |
| Grant date | — |
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Abstract
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Nanostructured thin film catalysts which may be useful as fuel cell catalysts are provided, the catalyst materials including intermixed inorganic materials. In some embodiments the nanostructured thin film catalysts may include catalyst materials according to the formula Pt x M (1-x) where x is between 0.3 and 0.9 and M is Nb, Bi, Re, Hf, Cu or Zr. The nanostructured thin film catalysts may include catalyst materials according to the formula Pt a Co b M c where a+b+c=1, a is between 0.3 and 0.9, b is greater than 0.05, c is greater than 0.05, and M is Au, Zr, or Ir. The nanostructured thin film catalysts may include catalyst materials according to the formula Pt a Ti b Q c where a+b+c=1, a is between 0.3 and 0.9, b is greater than 0.05, c is greater than 0.05, and Q is C or B.
First claim
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We claim: 1 . A fuel cell catalyst comprising nanostructured elements comprising microstructured support whiskers bearing a thin film of nanoscopic catalyst particles comprising a catalyst material according to the formula Pt a Co b M c where a+b+c=1, a is between 0.3 and 0.9, b is greater than 0.05, c is greater than 0.05, and M is selected from the group consisting of Au, Zr, and Ir. 2 . The fuel cell catalyst according to claim 1 where the catalyst material is according to the formula Pt x Co (x/2.2) Au (1-x-x/2.2) where x is between 0.53 and 0.58. 3 . The fuel cell catalyst according to claim 1 where the catalyst material is according to the formula Pt (1-x-y) Co x Zr y where x and y satisfy the conditions 2y+x>0.35, 4y+x <1.00 and x<0.7. 4 . The fuel cell catalyst according to claim 1 where the catalyst material is according to the formula Pt x Co (x/3.9) Ir (1-x-x/3.9) where x is between 0.63 and 0.76. 5 . The fuel cell catalyst according to claim 5 where x is between 0.65 and 0.69.
Assignees
Inventors
Classifications
- H01M4/921Primary
Alloys or mixtures with metallic elements · CPC title
supported on carriers, e.g. powder carriers · CPC title
Fuel cells with polymeric electrolytes · CPC title
Fuel cells · CPC title
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- What does patent US2016141632A1 cover?
- Nanostructured thin film catalysts which may be useful as fuel cell catalysts are provided, the catalyst materials including intermixed inorganic materials. In some embodiments the nanostructured thin film catalysts may include catalyst materials according to the formula Pt x M (1-x) where x is between 0.3 and 0.9 and M is Nb, Bi, Re, Hf, Cu or Zr. The nanostructured thin film catalysts may in…
- Who is the assignee on this patent?
- 3M Innovative Properties Co
- What technology area does this patent fall under?
- Primary CPC classification H01M4/921. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu May 19 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).