Preparation and charateristics of Nafion membrane coated with a PVdF copolymer/recast Nafion blend for direct methanol fuel cell

  • Ki Yun Cho
  • , Ho Young Jung
  • , Kyung A. Sung
  • , Wan Keun Kim
  • , Shi Joon Sung
  • , Jung Ki Park
  • , Jong Ho Choi
  • , Yung Eun Sung

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

In order to enhance the compatibility between the electrode and the membrane and also to reduce the methanol cross-over from the anode to the cathode in direct methanol fuel cells, a Nafion membrane coated with a poly(vinylidene fluoride) copolymer/Nafion blend has been prepared and characterized. The coated Nafion results in a reduction in methanol cross-over and an enhancement in cell performance due to its improved compatibility with the electrodes.

Original languageEnglish
Pages (from-to)524-528
Number of pages5
JournalJournal of Power Sources
Volume159
Issue number1 SPEC. ISS.
DOIs
StatePublished - 13 Sep 2006

Bibliographical note

Funding Information:
This work was supported by the Core Technology Development Program for Fuel Cells of Korea Ministry of Science and Technology.

Keywords

  • Coating layer
  • Direct methanol fuel cell
  • Electrode-membrane compatability
  • Methanol cross-over
  • Poly(vinylidene fluoride) copolymer/Nafion blend

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