The chemical and structural nature of proton exchange membrane fuel cell properties

M. A. Hickner, B. S. Pivovar

Research output: Contribution to journalReview article

279 Citations (Scopus)

Abstract

The chemical and structural (morphological) features of proton exchange membranes are directly tied to their fuel cell relevant transport properties. A large body of research has focused on characterizing the structure or investigating the properties of Nafion® and other proton exchange membranes, but few studies have linked chemical composition to membrane morphology, and resulting transport properties. This paper systematically discusses the key chemical and structural features of proton exchange membranes that impact properties critical for fuel cell applications. We focus our discussion on the fuel cell relevant transport properties of proton conductivity, methanol permeability, water diffusion coefficient, and electro-osmotic drag coefficient, using evidence from our work and from the literature to illustrate the connection between structure and properties in these materials. It is hoped that this document will serve as a guide to the rational, systematic design of new proton exchange membrane materials with improved properties.

Original languageEnglish (US)
Pages (from-to)213-229
Number of pages17
JournalFuel Cells
Volume5
Issue number2
DOIs
StatePublished - Apr 1 2005

Fingerprint

Proton exchange membrane fuel cells (PEMFC)
Membranes
Ion exchange
Protons
Transport properties
Fuel cells
Proton conductivity
Drag coefficient
Methanol
Chemical analysis
Water

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology

Cite this

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The chemical and structural nature of proton exchange membrane fuel cell properties. / Hickner, M. A.; Pivovar, B. S.

In: Fuel Cells, Vol. 5, No. 2, 01.04.2005, p. 213-229.

Research output: Contribution to journalReview article

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