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Blended Anion Exchange Membranes for Vanadium Redox Flow Batteries
| Content Provider | MDPI |
|---|---|
| Author | Son, Tae Yang Im, Kwang Seop Jung, Ha Neul Nam, Sang Yong |
| Copyright Year | 2021 |
| Description | In this study, blended anion exchange membranes were prepared using polyphenylene oxide containing quaternary ammonium groups and polyvinylidene fluoride. A polyvinylidene fluoride with high hydrophobicity was blended in to lower the vanadium ion permeability, which increased when the hydrophilicity increased. At the same time, the dimensional stability also improved due to the excellent physical properties of polyvinylidene fluoride. Subsequently, permeation of the vanadium ions was prevented due to the positive charge of the anion exchange membrane, and thus the permeability was relatively lower than that of a commercial proton exchange membrane. Due to the above properties, the self-discharge of the blended anion exchange membrane (30.1 h for QA–PPO/PVDF(2/8)) was also lower than that of the commercial proton exchange membrane (27.9 h for Nafion), and it was confirmed that it was an applicable candidate for vanadium redox flow batteries. |
| Starting Page | 2827 |
| e-ISSN | 20734360 |
| DOI | 10.3390/polym13162827 |
| Journal | Polymers |
| Issue Number | 16 |
| Volume Number | 13 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-08-23 |
| Access Restriction | Open |
| Subject Keyword | Polymers Anesthesiology Redox Flow Battery Blended Anion Exchange Membrane Low Permeability of Vanadium Ion |
| Content Type | Text |
| Resource Type | Article |
