A New Formula for Hydrogen Consumption in Hybrid Systems Based on Fuel Cell Current Gradient and Peak Value

Year 2019, Volume: 19 Issue: 1, 59 - 64, 01.01.2019

Yasin Özçelep , Gürcan Sarı Ayten Kuntman

Abstract

DOI: 10.26650/electrica.2019.18013

In the study, we proposed a new formula for
the hydrogen consumption of fuel cell under non-constant current behavior. We
used supercapacitors as auxiliary energy source to form a hybrid system and
change the current behavior of the fuel cell. We performed hybrid system tests
for different supercapacitor values. We extracted the fuel cell current,
voltage, hydrogen consumption for each configuration. We compared the measured
values and expected values from known equations. We see that, results from
hydrogen consumption equations does not match the hybrid system hydrogen
consumption. Finally, we proposed a new formula for hydrogen consumption
including the current gradient and current peak value for hybrid systems.

Cite this article as: Özçelep Y, Sarı G,
Kuntman A. A New Formula for Hydrogen Consumption in Hybrid Systems Based on
Fuel Cell Current Gradient and Peak Value. Electrica, 2019; 19(1): 59-64.

Keywords

Hydrogen fuel cell, hydrogen consumption, hybrid systems

References

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• Yasin Özçelep received the B.Sc., M.Sc. and PhD. degrees from Electrical and Electronics. Department, Istanbul University, Istanbul, Turkey, in 2002, 2004 and 2009, respectively. He is working as Associate Professor in same department. His research interests are hydrogen fuel cells, hydrogen powered vehicles, semiconductor device and circuit reliability, reliability modeling and electronic circuits.
• Gürcan Sarı received the B.Sc. and M.Sc. degrees from Electrical and Electronics Department, Istanbul University, Istanbul, Turkey, in 2014 and 2017, respectively. He was the team leader of Istanbul university Hydrogen Powered Vehicle (HIDROIST).
• Ayten Kuntman received her M.Sc. degree from Istanbul University in 1979 and her Ph.D. degree from Istanbul Technical University in 1989, respectively. In 1980 she joined the Electronics and Communication Engineering Department of Istanbul Technical University. From 1995 to 2001 she was an associate professor of Electrical Power Systems in the Electrical and Electronics Engineering Department of Istanbul University. Since 2001 she is a professor of Electrical Power Systems in the same department. Her research interest include dielectric properties of polymers, semiconductors, aging of cable polymers, microelectronics technologies, hydrogen fuel cells, thermodinamic properties of polymers and reliability of materials. Dr. Kuntman has authored many publications on polymers, semiconductors and microelectronics technologies.