Carbon powder for catalyst, catalyst, electrode catalyst layer, membrane electrode assembly, and fuel cell using the carbon powder
US-2016233520-A1 · Aug 11, 2016 · US
Fuel cell catalyst layer, and fuel cell
US2017104222A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017104222-A1 |
| Application number | US-201615287794-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 7, 2016 |
| Priority date | Oct 9, 2015 |
| Publication date | Apr 13, 2017 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
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The fuel cell catalyst layer has: a catalyst including a highly crystalline carbon support and a catalyst metal supported by the highly crystalline carbon support; and an ionomer having a glass transition temperature equal to or greater than 160° C.
First claim
Opening claim text (preview).
What is claimed is: 1 . A fuel cell catalyst layer comprising: a catalyst comprising a highly crystalline carbon support and a catalyst metal supported by the highly crystalline carbon support; and an ionomer having a glass transition temperature equal to or greater than 160° C. 2 . The fuel cell catalyst layer according to claim 1 , wherein a pore volume of pores with a pore diameter of from 1 nm to 5 nm in the highly crystalline carbon support is equal to or greater than 9.0 mL/g. 3 . The fuel cell catalyst layer according to claim 1 , wherein the ionomer has an oxygen permeability equal to or greater than 2.0×10 −14 mol/m/sec/Pa in an environment at a temperature of 80° C. and a relative humidity of 30% 4 . A fuel cell comprising a fuel cell catalyst layer according to claim 1 .
Assignees
Inventors
Classifications
- H01M4/926Primary
on carbon or graphite · CPC title
Porous electrodes · CPC title
Fuel cells with polymeric electrolytes · CPC title
- H01M4/8668Primary
Binders · CPC title
Polymeric electrolyte materials · CPC title
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Frequently asked questions
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- What does patent US2017104222A1 cover?
- The fuel cell catalyst layer has: a catalyst including a highly crystalline carbon support and a catalyst metal supported by the highly crystalline carbon support; and an ionomer having a glass transition temperature equal to or greater than 160° C.
- Who is the assignee on this patent?
- Toyota Motor Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/926. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Apr 13 2017 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).