Cross-linked high conductive membranes based on water soluble ionomer for high performance proton exchange membrane fuel cells

Hao Jiang, Xin Guo, Gang Zhang, Jing Ni, Chengji Zhao, Zhongguo Liu, Liyuan Zhang, Mingyu Li, Shuai Xu, Hui Na

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

In this paper, a series of proton exchange membranes prepared by "Click Reaction" are reported. The cross-linked membranes are based on water soluble sulfonated poly (ether ether ketone) containing dipropenyl groups (SDPEEK-nE/nH). Compared with self-crosslinked membranes (SDPEEK-nS), this "Click" cross-linked membranes using 1,2-Ethanedithiol and 1,6-Hexanedithiol as the cross-linker exhibit extremely reduced water uptake and swelling ratio. The lowest proton conductivity at 80 C of the "Click" cross-linked membranes reaches to 0.168 S cm-1, and the highest methanol permeability of the "Click" cross-linked SDPEEK-8E is only 4.13 × 10-7 cm2 s-1, which is 5 times lower than that of Nafion 117 membrane. All the results imply that the cross-linked membranes with novel thiol cross-linker are promising alternative material for fuel cell application.

Original languageEnglish (US)
Pages (from-to)529-535
Number of pages7
JournalJournal of Power Sources
Volume241
DOIs
StatePublished - Jun 10 2013

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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