Nitrogen and phosphorous doped carbon supported nanoparticle platinum electrocatalyst and method of making
US10384193B2 · kind B2 · utility
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Key dates
| Filing date | Mar 22, 2018 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Mar 22, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A platinum-carbon electrocatalyst material comprising a carbon support having a minimum BET surface area of 1000 m2/g, a nitrogen content of at least 2.5 weight percent, which is present in the form of pyridine, pyridone or pyrrole, a phosphorous content of at least 3 weight percent, which is present in the form of phosphate and phosphonate, and a plurality of platinum nanoparticles dispersed on the carbon support having a maximum average particle diameter of 1.5 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.