Effects of electrode compression on the performance of a solid polymer electrolyte fuel cell /

and air -- were tested. Results of these experiments were

Bibliographic Details
Main Author: Del Campo, Christopher Scott, 1972-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:and air -- were tested. Results of these experiments were
carbon cloth electrode material, such as electrical
compression level exists for PEFC systems which provides
compression levels. Compression was found to have a
compression on PEFC performance. A new PEFC structure was
compression on PEFC performance. Electrode compression was
concluded from the findings of this work that the performance
conditions.
conductivity and porosity, were determined over a range of
configuration which provided optimal performance. It was
determination of the level of electrode compression.
developed which provided uniform mechanical pressure
distribution over the area of the electrodes and allowed
electrode compression was found for each fuel cell
found to have a significant effect on the performance of the
further testing to measure the effects of electrode
identified as a design parameter having a possible effect on
of PEFC systems utilizing porous carbon cloth electrodes is
of the PEFC system. Performance-affecting properties of the
operated under various levels of electrode compression, and
optimal performance under a given set of operating
PEFC systems observed in this investigation. A level of
plotted in a manner to illustrate the effect of electrode
polymer electrolyte fuel cell (PEFC) were investigated.
porosity of the carbon cloth electrode material, justifying
Preliminary testing showed that considerable compression of
significant effect on the electrical conductivity and
significantly affected by the level of compression placed on
sizes using two different cathodic reactants -- pure oxygen
structure. Further, the level of electrode compression was
sweep voltammetry technique. Fuel cells of two different
the carbon cloth electrodes was provided by the PEFC
The effects of electrode compression on the performance of a
the electrodes. It was further concluded that an electrode
the properties of the electrodes as well as the performance
their electrical power output was measured using a linear-
Utilizing this structure, several fuel cell systems were
Item Description:"Major subject: Mechanical Engineering ".
Vita.
Physical Description:xii, 87 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.