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Preparation and properties of nanofibrous Nafion mats for ionic polymer metal composites

  • C. Nah*
  • , Y. S. Lee
  • , B. H. Cho
  • , H. C. Yu
  • , B. Akle
  • , D. J. Leo
  • *Corresponding author for this work
  • Jeonbuk National University
  • Virginia Polytechnic Institute and State University

Research output: Contribution to journalJournal articlepeer-review

Abstract

One of the disadvantages of ionic liquids-saturated ionomeric polymer transducers has been known to be their slower speeds of actuation. In this study, a novel membrane structure of nanofibrous mats-based on a copolymer of polytetrafluoroethylene and fluorinated vinyl ether sulfonate (Nafion™) was proposed. The Nafion™ nanofibrous mats were prepared using the electro-spinning process, and their morphology, ionic conductivity and actuating behavior were compared with the conventional film type of Nafion™ membranes. Although the fibers mats did not show any advantages in terms of ionic conductivity for water-hydrated condition, for the ionic liquids-saturated condition they showed about three folds improvements in ionic conductivity compared with that of conventional film type of membranes having a similar thickness dimension. Also the fabricated fibers mats-based transducers showed higher strain speed of 1.34%/s, which is 52% faster than the films-based actuators.

Original languageEnglish
Pages (from-to)2960-2964
Number of pages5
JournalComposites Science and Technology
Volume68
Issue number14
DOIs
StatePublished - 2008.11

Keywords

  • A. Fibers
  • A. Metal-matrix composites (MMCs)
  • A. Smart materials
  • E. Electro-spinning

Quacquarelli Symonds(QS) Subject Topics

  • Materials Science

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