Water and methanol transport in Nafion membranes with different cationic forms 1. Alkali monovalent cations
| dc.contributor.author | Godino Gómez, María Paz | |
| dc.contributor.author | Barragán García, Vicenta María | |
| dc.contributor.author | García Villaluenga, Juan Pedro | |
| dc.contributor.author | Ruiz Bauzá, Carlos | |
| dc.contributor.author | Seoane Rodríguez, Benjamín | |
| dc.date.accessioned | 2023-06-20T10:33:56Z | |
| dc.date.available | 2023-06-20T10:33:56Z | |
| dc.date.issued | 2006-09-29 | |
| dc.description | © 2006 Elsevier B.V. Financial support from the University Complutense of Madrid under Project 052PR13273 is gratefully acknowledged. | |
| dc.description.abstract | The mass flux originated when two methanol-water solutions of different methanol concentration are separated by a Nation 117 membrane in acid (H+) and different alkali metal forms (Li+, Na+, K+, Rb+, Cs+) have been measured, as a function of the methanol concentration difference. From the experimental results, the methanol and water permeabilities have been estimated for the different forms of the membrane. The results show that the cationic form of the membrane strongly influences on the methanol and water permeabilities with respect to the values corresponding to its acid form. Moreover, this influence is different for water and methanol depending on the substituted cation. This strong influence of the cationic form of the membrane on the methanol and water permeabilities could be important in relation to the development of new membranes to decrease the methanol crossover in direct methanol fuel cells. | |
| dc.description.department | Depto. de Estructura de la Materia, Física Térmica y Electrónica | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | University Complutense of Madrid | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/20648 | |
| dc.identifier.doi | 10.1016/j.jpowsour.2006.02.006 | |
| dc.identifier.issn | 0378-7753 | |
| dc.identifier.officialurl | http://dx.doi.org/doi:10.1016/j.jpowsour.2006.02.006 | |
| dc.identifier.relatedurl | http://pdn.sciencedirect.com/ | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/50546 | |
| dc.issue.number | 1 | |
| dc.journal.title | Journal of Power Sources | |
| dc.language.iso | eng | |
| dc.page.final | 186 | |
| dc.page.initial | 181 | |
| dc.publisher | Elsevier Science BV | |
| dc.relation.projectID | 052PR13273 | |
| dc.rights.accessRights | restricted access | |
| dc.subject.cdu | 536 | |
| dc.subject.keyword | Fuel-cell | |
| dc.subject.keyword | Exchange membranes | |
| dc.subject.keyword | Diffusion-coefficient | |
| dc.subject.keyword | Self-diffusion | |
| dc.subject.keyword | Crossover | |
| dc.subject.keyword | Proton | |
| dc.subject.keyword | Ion | |
| dc.subject.keyword | Performance | |
| dc.subject.keyword | Behavior | |
| dc.subject.keyword | Sorption. | |
| dc.subject.ucm | Termodinámica | |
| dc.subject.unesco | 2213 Termodinámica | |
| dc.title | Water and methanol transport in Nafion membranes with different cationic forms 1. Alkali monovalent cations | |
| dc.type | journal article | |
| dc.volume.number | 160 | |
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