Ion exchange membrane and flow battery including same
US11309567B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Apr 3, 2019 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Nov 7, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ion exchange membrane including a first ion exchange resin layer with a first and a second surface; a second ion exchange resin layer on the first surface of the first ion exchange resin layer; and a third ion exchange resin layer on the second surface of the first ion exchange resin layer, wherein the second ion exchange resin layer and the third ion exchange resin layer each independently include an ionomer having a higher equivalent weight (EW) than an ionomer of the first ion exchange resin layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.