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Polymer solid acid composite membranes for fuel-cell applications

Boysen, Dane A. and Chisholm, Calum R. I. and Haile, Sossina M. and Narayanan, Sekharipuram R. (2000) Polymer solid acid composite membranes for fuel-cell applications. Journal of the Electrochemical Society, 147 (10). pp. 3610-3613. ISSN 0013-4651. https://resolver.caltech.edu/CaltechAUTHORS:BOYjes00

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Abstract

A systematic study of the conductivity of polyvinylidene fluoride (PVDF) and CsHSO4 composites, containing 0 to 100% CsHSO4, has been carried out. The polymer, with its good mechanical properties, served as a supporting matrix for the high proton conductivity inorganic phase. The conductivity of composites exhibited a sharp increase with temperature at 142°C, characteristic of the superprotonic phase transition of CsHSO4. At high temperature (160°C), the dependence of conductivity on vol % CsHSO4 was monotonic and revealed a percolation threshold of ~10 vol %. At low temperature (100°C), a maximum in the conductivity at ~80 vol % CsHSO4 was observed. Results of preliminary fuel cell measurements are presented.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1149/1.1393947DOIUNSPECIFIED
ORCID:
AuthorORCID
Haile, Sossina M.0000-0002-5293-6252
Additional Information:©2000 The Electrochemical Society. Manuscript submitted February 17, 2000; revised manuscript received June 27, 2000. California Institute of Technology assisted in meeting the publication costs of this article.
Funders:
Funding AgencyGrant Number
CaltechUNSPECIFIED
Subject Keywords:PHASE-TRANSITIONS; PROTON CONDUCTIVITY; CSHSO4; PRESSURE; SYSTEM
Issue or Number:10
Record Number:CaltechAUTHORS:BOYjes00
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:BOYjes00
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5023
Collection:CaltechAUTHORS
Deposited By: Lindsay Cleary
Deposited On:20 Sep 2006
Last Modified:02 Oct 2019 23:18

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