Catalyst and manufacturing method thereof, and electrode catalyst layer using the catalyst
US10573901B2 · kind B2 · utility
0Cited by
7References
11Claims
0Family size
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Key dates
| Filing date | Apr 14, 2014 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Apr 14, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
[Object] Provided is a catalyst having a high catalytic activity.[Solving Means] Disclosed is a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein the catalyst support includes pores having a radius of less than 1 nm and pores having a radius of 1 nm or more, a surface area formed by the pores having a radius of less than 1 nm is equal to or larger than a surface area formed by the pores having a radius of 1 nm or more, and an average particle diameter of the catalyst metal is 2.8 nm or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.