| Téléchargement | - Voir la version finale : Transport properties of Nafion® membranes in concentrated solution environments (PDF, 1.1 Mio)
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| DOI | Trouver le DOI : https://doi.org/10.1149/1.2123797 |
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| Auteur | Rechercher : Yeager, H. L.; Rechercher : O'Dell, B.; Rechercher : Twardowski, Z. |
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| Format | Texte, Article |
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| Sujet | membranes; transport processes; polymer films; ion exchange; chemical equilibrium; sorption; osmosis; current efficiency; ion exchange; electrolysis |
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| Résumé | The transport properties of perfluorinated cation exchange membranes in chlor‐alkali cell solution environments have been studied using a newly designed membrane test cell. A radiotracer‐weight method was used to measure sodium ion and water transport numbers for two Nafion® perfluorosulfonate membranes. A homogeneous film shows rapidly decreasing sodium ion transport numbers with increasing Formula catholyte concentration, reaching a value of 0.56 mol F−1 with 12.5M solution at 80°C. A fabric‐backed material with a sulfonamide exchange site layer yields considerably higher values with a more complicated concentration dependence. Water transport numbers for the latter membrane are also higher; a value of about 3 mol F−1 is found for typical experiments in which the anolyte solution is Formula . Results are discussed in terms of the mechanism of ionic membrane transport in relation to polymer water and electrolyte sorption. |
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| Date de publication | 1982-03-06 |
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| Dans | |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Numéro NPARC | 23001337 |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | 9ca50f7e-5776-4103-bdb1-b6cbe37b62dd |
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| Enregistrement créé | 2017-01-19 |
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| Enregistrement modifié | 2020-06-02 |
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