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
US2017104223A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017104223-A1 |
| Application number | US-201615287831-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 7, 2016 |
| Priority date | Oct 9, 2015 |
| Publication date | Apr 13, 2017 |
| Grant date | — |
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.
The fuel cell catalyst layer has: a catalyst including a carbon support having pores with a pore diameter of from 1 nm to 5 nm and a catalyst metal supported within the pores of the 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 carbon support comprising pores with a pore diameter of from 1 nm to 5 nm and a catalyst metal supported within the pores of the 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 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%. 3 . The fuel cell catalyst layer according to claim 1 , wherein the pore volume of the pores with a pore diameter of from 1 nm to 5 nm is greater than 15.0 mL/g. 4 . The fuel cell catalyst layer according to claim 1 , wherein the carbon support further comprising pores with a pore diameter greater than 5 nm and 10 nm or less. 5 . The fuel cell catalyst layer according to claim 4 , wherein the pore volume of pores with a pore diameter greater than 5 nm and 10 nm or less is from 1 mL/g to 10 mL/g 6 . A fuel cell comprising a fuel cell catalyst layer according to claim 1 .
Assignees
Inventors
Classifications
Porous electrodes · CPC title
Polymeric electrolyte materials · CPC title
Fuel cells with polymeric electrolytes · CPC title
Binders · CPC title
- H01M4/926Primary
on carbon or graphite · 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 US2017104223A1 cover?
- The fuel cell catalyst layer has: a catalyst including a carbon support having pores with a pore diameter of from 1 nm to 5 nm and a catalyst metal supported within the pores of the 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).