Abstract
The objective of the presented work is to study the operating parameters and their effects on the performance of an air breathing PEM fuel cell. In this study, we have theoretically calculated the losses associated with the fuel cells. The performance of the fuel cell can be determined by using the polarisation curve. Polarization curves from which the output voltage can be found are studied in detail. The drop in cell voltage occurs due to several irreversibility in the working environment. Reduction in resistance due to activation energy, mass transport and charge transport can help in increasing the performance of the Fuel cells. The performance of a fuel cell is also affected by the factors such as exchange current density, transfer coefficient. The operating parameters like pressure, temperature are varied and the performance of the PEM fuels cells is recorded.
Highlights
In the world with the need for energy there are some disadvantages with the use of fossil fuels
Hydrogen’s most important property is that through the electrochemical process high efficiency output can be obtained than the conventional fossil fuels
Exchange current density at any temperature and pressure is given by io
Summary
In the world with the need for energy there are some disadvantages with the use of fossil fuels. In the early 1970’it is found that hydrogen can be used as a surrogate for fuel cells. Fuel cells being an alternative for the conventional sources of energy are widely used as a power source for many of the applications. The fuel used in fuel cells is hydrogen which is a high energy carrier. Hydrogen’s most important property is that through the electrochemical process high efficiency output can be obtained than the conventional fossil fuels. These attractive properties made fuel cells to be widely used for automobile applications. Fuel cell is an energy converter which converts the chemical energy of fuel and oxidant into electrical energy.[1-5]
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