Gas Diffusion Electrodes and Methods for Fabricating and Testing Same
US-2015376803-A1 · Dec 31, 2015 · US
Catalyst
US9397348B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9397348-B2 |
| Application number | US-201113814130-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 21, 2011 |
| Priority date | Aug 3, 2010 |
| Publication date | Jul 19, 2016 |
| Grant date | Jul 19, 2016 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A platinum alloy catalyst PtXY, wherein X is a transition metal (other than platinum, palladium or iridium) and Y is a transition metal (other than platinum, palladium or iridium) which is less leachable than X in an acidic environment, has an atomic percentage in the alloy of platinum is from 20.5-40at %, of X is from 40.5-78.5at % X and of Y is from 1-19.5at %.
First claim
Opening claim text (preview).
The invention claimed is: 1. A catalyst material, comprising a platinum alloy XPtY, wherein X is nickel, cobalt, chromium, copper, titanium or manganese and Y is tantalum or niobium, and wherein in the alloy the atomic percentage of platinum is from 20.5-30 at %, of X is from 40.5-78.5 at %, and of Y is from 1-19.5 at %, and wherein the catalyst material is supported on a conductive support material and configured for use in an electrochemical cell. 2. The catalyst material according to claim 1 , wherein in the alloy the atomic percentage of platinum is from 24-30 at %. 3. The catalyst material according to claim 1 , wherein in the alloy the atomic percentage of platinum is from 24-30 at %, of X is from 55-72 at % X, and Y is from 3-16 at %. 4. The catalyst material according to claim 1 , wherein the platinum alloy is CoPtTa. 5. The catalyst material according to claim 1 , wherein the material consists essentially of the platinum alloy XPtY, wherein X is cobalt, chromium, copper, titanium or manganese, and the atomic percentage of platinum is from 24-30 at %, of X is from 55-72 at % X, and of Y is from 3-16 at %. 6. An electrode comprising the catalyst material according to claim 1 . 7. The electrode according to claim 6 , wherein the electrode is a cathode. 8. A decal transfer substrate comprising the catalyst material according to claim 1 . 9. A catalyst coated membrane comprising the catalyst material according to claim 1 . 10. A phosphoric acid fuel cell comprising the catalyst material according to claim 1 . 11. A proton exchange membrane fuel cell comprising the catalyst material according to claim 1 .
Assignees
Inventors
Classifications
Cross-Sectional Technologies · mapped topic
- H01M4/921Primary
Alloys or mixtures with metallic elements · CPC title
Polymeric electrolyte materials · CPC title
with vanadium, tantalum, niobium or polonium · CPC title
Phosphoric acid fuel cells [PAFC] · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9397348B2 cover?
- A platinum alloy catalyst PtXY, wherein X is a transition metal (other than platinum, palladium or iridium) and Y is a transition metal (other than platinum, palladium or iridium) which is less leachable than X in an acidic environment, has an atomic percentage in the alloy of platinum is from 20.5-40at %, of X is from 40.5-78.5at % X and of Y is from 1-19.5at %.
- Who is the assignee on this patent?
- Theobald Brian Ronald Charles, Ball Sarah Caroline, O'Malley Rachel Louise, and 3 more
- 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 Tue Jul 19 2016 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).