Comparative analysis of fuel cells and suggestions to improve their efficiencies for sustainable future
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Date
2012
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Abstract
In this paper an analytical comparison is presented
between the various developed configuration of fuel cells under the
different operating conditions of temperature and load variations
with respect to their efficiency and output power. The fuel cells
such as Polymer Electrolyte Membrane, Solid oxide, Molten
Carbonate and Alkaline fuel cells have very high conversion
efficiency and they can be used for distribution generation and
electric utility. However performance and degrading issues are
always of concern for researchers. Carbon black is one of the major
causes of performance degradation of fuel cells. Carbon Nanotubes
having the carbon support materials with a higher graphitic
character are used to improve the efficiency and stability of these
fuel cells. Further, the potential of alternate energy resources would
be compared based on several important parameters such as
efficiency, economics, ease of construction and other important
parameters. Attempts would also be made to make a technical and
economic comparison of these types of cells and evaluate their
merits and de-merits. Although, out of all of these cells under
consideration the solid oxide carries a risk of high temperature
corrosion and breakdown of components, improvements are being
worked out. Finally all results obtained from different cells will be
simulated by using Matlab Simulation Tools.
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Keywords
Molten Carbonate Fuel Cells, Solid Oxide Fuel Cells, Polymer Electrolyte Membrane Fuel Cells, Alkaline Fuel Cell, Efficiency, Power
Citation
Paper presented in Symposium on Hydrogen and Fuel Cells SHFC, 9th - 11th July 2012, Islamabad - Pakistan