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Article

Benchmark Cost Analysis of Main PEFC-Ionomer Membrane Solutions

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Matthias Gebert

 Forschungszentrum Jülich GmbH, IWV 3: Institute for Materials and Processes in Energy Systems, D-52425 Jülich, Federal Republic of Germanym.gebert@fz-juelich.de

Bernd Höhlein, Detlef Stolten

 Forschungszentrum Jülich GmbH, IWV 3: Institute for Materials and Processes in Energy Systems, D-52425 Jülich, Federal Republic of Germany

NAFION™ is a registered tradmark of E.I. Du Pont de Nemours and Company

J. Fuel Cell Sci. Technol 1(1), 56-60 (Jul 12, 2004) (5 pages) doi:10.1115/1.1794157 History: Received March 16, 2004; Revised July 12, 2004

Cost considerations are the decisive factor for the market launch of PEFCs. This benchmark comparison first focuses on material costs for the basic chemicals involved in the ionomer syntheses. A new way of generating company-independent cost information on raw chemicals is therefore used. Secondly, an estimate is given of how the complexity of the chemical plant entails additional production costs. This has been done by applying five different approaches developed by process engineers in order to appraise the plants' grass roots investments. Finally, US$m2 is a decisive figure for membranes. The values obtained demonstrate the viability of future widespread use.

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Copyright © 2004 by American Society of Mechanical Engineers
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Figures

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Figure 1

Molecular structures of the five ionomers investigated

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Figure 2

PTFE probability distribution based on statistical data of EU countries

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Figure 3

Probability density distribution extrapolated from a lab retail price (10.3€∕kg)

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Figure 4

Mass-specific material costs of ionomer production

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Figure 5

Chemical plant costs allocated to membrane produced at 2500tons of annual output

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