Investigation of sulfonated polysulfone membranes as electrolyte in a passive-mode direct methanol fuel cell mini-stack (Articolo in rivista)

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  • Investigation of sulfonated polysulfone membranes as electrolyte in a passive-mode direct methanol fuel cell mini-stack (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jpowsour.2009.11.130 (literal)
Alternative label
  • Lufrano F., Baglio V., Staiti P., Stassi A., Aricò A.S., Antonucci V. (2010)
    Investigation of sulfonated polysulfone membranes as electrolyte in a passive-mode direct methanol fuel cell mini-stack
    in Journal of power sources (Print); ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lufrano F., Baglio V., Staiti P., Stassi A., Aricò A.S., Antonucci V. (literal)
Pagina inizio
  • 7727 (literal)
Pagina fine
  • 7733 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 195 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Note
  • Scopu (literal)
  • Google Scholar (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR - ITAE, Istituto di Tecnologie Avanzate per l'Energia \"Nicola Giordano\", Via Salita S. Lucia sopra Contesse n. 5 - 98126 S. Lucia - Messina, Italy (literal)
Titolo
  • Investigation of sulfonated polysulfone membranes as electrolyte in a passive-mode direct methanol fuel cell mini-stack (literal)
Abstract
  • This paper reports on the development of polymer electrolyte membranes (PEMs) based on sulfonated polysulfone for application in aDMFCmini-stack operating at room temperature in passive mode. The sulfonated polysulfone (SPSf) with two degrees of sulfonation (57 and 66%) was synthesized by a well-known sulfonation process. SPSf membranes with different thicknesses were prepared and investigated. These membranes were characterized in terms of methanol/water uptake, proton conductivity, and fuel cell performance in a DMFC single cell and mini-stack operating at room temperature. The study addressed (a) control of the synthesis of sulfonated polysulfone, (b) optimization of the assembling procedure, (c) a short lifetime investigation and (d) a comparison of DMFC performance in active-mode operation vs. passive-mode operation. The best passive DMFC performance was 220mW (average cell power density of about 19mWcm-2), obtained with a thin SPSf membrane (70?m) at room temperature, whereas the performance of the same membrane-based DMFC in active mode was 38mWcm-2. The conductivity of this membrane, SPSf (IEC = 1.34 mequiv. g-1) was 2.8×10-2 Scm-1. A preliminary short-term test (200 min) showed good stability during chrono-amperometry measurements. (literal)
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