Highly hydrated Nafion/activated carbon hybrids

Hung Chung Chien, Li Duan Tsai, Antonios Kelarakis, Chien Ming Lai, Jiunn Nan Lin, Jason Fang, Chao Yuan Zhu*, Feng Chih Chang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The incorporation of highly porous activated carbon (aC) to Nafion membranes confers unprecedented levels of water uptake (4 times higher for 10 wt% aC compared to neat Nafion) at a minimal dimensional swelling and results in dramatic enhancements in ionic conductivity at low relative humidity. This behavior reveals the development of a robust network of water nanochannels formed by the carbon pores and the polymeric ionic domains which are structurally stabilized by the rigid Nafion backbone and the non-deformable aC particles.

Original languageEnglish
Pages (from-to)4927-4930
Number of pages4
JournalPolymer
Volume53
Issue number22
DOIs
StatePublished - 12 Oct 2012

Keywords

  • Activated carbon
  • Nafion
  • Water retention

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