Ionomer having high oxygen permeability
US10189927B2 · kind B2 · utility
5Cited by
0References
9Claims
0Family size
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Key dates
| Filing date | May 27, 2015 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | May 29, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention aims to provide an ionomer that can exhibit high oxygen permeability, especially under both low- and high-humidified conditions, and high power generation durability. The high oxygen permeable ionomer includes a specific repeating unit A and repeating unit B and has an equivalent weight of 250 to 930 and a glass transition temperature of 100° C. to 130° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.