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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/47070

    Título
    Assessing the ageing process of cation exchange membranes in bioelectrochemical systems
    Autor
    Carmona Del Rio, Francisco JavierAutoridad UVA Orcid
    Alonso, Raúl M.
    Prádanos del Pico, Pedro LourdesAutoridad UVA Orcid
    Morán, Antonio
    Escapa, Adrián
    San Martín, María Isabel
    Año del Documento
    2019
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    International Journal of Hydrogen Energy, 2019, vol. 44, n. 47, p. 25287-25296
    Resumo
    Bioelectrochemical systems (BES) encompass a group of bio-based technologies capable of directly converting organic matter into electricity. In these systems, which are derived from conventional electrochemical technologies, the ion exchange membrane is a key element because of its influence on the economic feasibility and performance of BES. This study examined the impact of the long-term operation of BES on the mechanical, chemical, and electrochemical properties of five different kinds of cation exchange membranes (Nafion-117, CMI-7000, Zirfon UTP 500, FKE, and FKB) through several techniques: (i) scanning electron microscopy and atomic force microscopy to assess the changes on the membrane surface, (ii) thermogravimetric analysis to evaluate the structural stability of the membranes, and (iii) ion exchange capacity to monitor any change in their electrochemical properties. Results confirmed that there is not an ideal membrane for BES. While Nafion and CMI exhibited the strongest chemical structure, they also underwent the highest fouling, as revealed by a fast increase in surface roughness.
    Materias Unesco
    23 Química
    22 Física
    Palabras Clave
    Bioelectrochemical system
    Sistema bioelectroquímico
    Cation exchange membranes
    Membranas de intercambio catiónico
    ISSN
    0360-3199
    Revisión por pares
    SI
    DOI
    10.1016/j.ijhydene.2019.08.004
    Patrocinador
    Ministerio de Economía y Competitividad - FEDER (grant CTQ2015-68925-R)
    Ministerio de Economía y Competitividad FPU grant (FPU13/04014)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0360319919329155
    Propietario de los Derechos
    © 2019 Elsevier
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/47070
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • IPS - Artículos de revista [156]
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    Universidad de Valladolid

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