Exergy analysis of solid oxide fuel cell operating on natural gas

Uma Sai Mahesh, Kesavarapu and Janardhanan, V (2018) Exergy analysis of solid oxide fuel cell operating on natural gas. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

The fuel cell performance can be determined by various methods described in literature like impedence studies, cycle voltametry e�ciency and exergy analysis etc,. In this work exergy analysis is implemented to study the performance of two types of fuel cells namely HT - PEMFC and SOFC. Exergy analysis can be used to determine not only the quantity of energy utilized but also the quality of the energy. Now a days exergy analysis is extensively used to determine the magnitude of energy loss and its location. In this work, exergy analysis is done on HT - PEMFC to identify the locations or equipments where loss of energy could be take place. This can be used to improve the overall performance of the system. In additional to the exergy analysis of HT-PEMFC, the performance of SOFC is also examined by exergy analysis. Assuming that all channels in a stack behave similarly, a single channel is simulated at different temperatures at different cell voltages and variable fuel composition. Also, SOFC is run at constant ow rate condition to validate the exergy analysis.

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IITH Creators:
IITH CreatorsORCiD
Janardhanan, Vhttp://orcid.org/0000-0002-3458-4169
Item Type: Thesis (Masters)
Uncontrolled Keywords: Energy, Solid Oxide Fuel Cell, Fuel Utilization
Subjects: Chemical Engineering
Divisions: Department of Chemical Engineering
Depositing User: Team Library
Date Deposited: 29 Jun 2018 09:54
Last Modified: 29 Jun 2018 09:54
URI: http://raiith.iith.ac.in/id/eprint/4100
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