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Effects of amphiphilic surfactants on electrolyte distribution in polymer electrolyte fuel-cell electrode

Published online by Cambridge University Press:  31 January 2011

Suk-Gi Hong ,
Eun Sung Lee ,
Jin-Young Bae ,
Myung-Jin Lee ,
Hyuk Chang  and
Do Young Seung
Suk-Gi Hong
Affiliation:
Energy & Materials Research Laboratory, Samsung Advanced Institute of Technology, Suwon 440-600, South Korea
Eun Sung Lee*
Affiliation:
Energy & Materials Research Laboratory, Samsung Advanced Institute of Technology, Suwon 440-600, South Korea
Jin-Young Bae
Affiliation:
Department of Polymer Science and Engineering, Polymer Technology Institute, Sungkyunkwan University, Suwon, Kyunggi-Do 440-746, South Korea
Myung-Jin Lee*
Affiliation:
Energy & Materials Research Laboratory, Samsung Advanced Institute of Technology, Suwon 440-600, South Korea
Hyuk Chang
Affiliation:
Energy & Materials Research Laboratory, Samsung Advanced Institute of Technology, Suwon 440-600, South Korea
Do Young Seung
Affiliation:
Energy & Materials Research Laboratory, Samsung Advanced Institute of Technology, Suwon 440-600, South Korea
*
a)Address all correspondence to these authors. e-mail: alberto.lee@samsung.com
b)Address all correspondence to these authors. e-mail: e.lee@samsung.com
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Abstract

To enhance Pt utilization in the fuel-cell electrode by microscopically controlling the distribution of liquid electrolytes around Pt catalysts, the amphiphilic surfactant tergitol phosphate was synthesized and introduced into the fuel-cell electrode. The chemical structure of the surfactant was determined by 1H-nuclear magnetic resonance, and its adsorption property on Pt–C catalyst was ascertained by Fourier transform infrared analysis. The electrode into which the amphiphilic surfactants were incorporated showed improved performance, and especially the amphiphilic surfactant with polyethylene oxide, NPE10-OPO(OH)2, produced higher cell performance.

Keywords

Chemical synthesisEnergy storagePolymer
Type
Articles
Information
Journal of Materials Research , Volume 22 , Issue 12 , December 2007 , pp. 3355 - 3359
Copyright
Copyright © Materials Research Society 2007

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References

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