Experimental Study on a 1000W Dead-End H2/O2 PEM Fuel Cell Stack with Cascade Type for Improving Fuel Utilization

Document Type : Research Paper

Authors

Malek Ashtar University of Technology, Fuel Cell Technology Research Laboratory

Abstract

Proton exchange membrane fuel cells (PEMFCs) with a dead-ended anode and cathode can obtain high hydrogen and oxygen utilization by a comparatively simple system. Nevertheless, the accumulation of the water in the anode and cathode channels might cause a local fuel starvation degrading the performance and durability of PEMFCs. In this study, a brand new design for a polymer electrolyte membrane (PEM) fuel-cell stack is presented which can achieve higher fuel utilization without using hydrogen and oxygen recirculation devices such as hydrogen pumps or ejectors that consume parasitic power and require additional control schemes. In this manuscript the basic concept of the proposed design is presented. Concept of the proposed design is to divide the cells of a stack into several stages by conducting the outlet gas of each stage to a separator and reentering it into the next stage in a multistage construction of anode and cathode electrodes. In this design, a higher gaseous flow rate is maintained at the outlet of the cells, even under dead-end conditions resulting in a reduced purge-gas emissions by avoiding the accumulation of liquid water in the cells. Moreover, fluctuation of voltage in hydrogen and oxygen cells at dead-end mode is investigated. Furthermore the utilization factor of hydrogen and oxygen at different power is presented. Overall, the result shows that the proposed design has the same polarization curve as open-end mode one, resulting in a higher PEMFC performance.

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References

[1] Wan, Z. M., Wan, J. H., Liu, J., Tu, Z. K., Pan, M.,  Liu, Z.C. “Water recovery and air humidification by condensing the moisture in the outlet gas of a proton exchange membrane fuel cell stack”, Journal of Applied Thermal Energy, 2012,42: 173.
 
[2] Li, K., Ye, G.B., Zhang Pan, H. N. “Self-assembled Nafion/metal oxide nanoparticles hybrid proton exchange membranes”, Journal of Membrane Science, 2010, 347: 26.
 
[3] Oh, S.D., Kim, K.Y., Oh, S.B., Kwak, H.Y. “Optimal operation of a 1-kW PEMFC-based CHP system for residential applications”, Journal of Applied Energy, 2012: 95, 93.
 
[4] Guida, D., Minutillo, M. “Design methodology for a PEM fuel cell power system in a more electrical aircraft”, Applied Energy, 2016, Article in press.
 
[5] Baumgartner, W. R., Parz, P., Fraser, S.D.,Wallnofer,  E., Hacker, V. “Polarization study of a PEMFC with four reference electrodes at hydrogen starvation conditions”, Journal of Power Sources, 2008, 181: 413.
 
[6] Yousfi-Steiner, N., Mocoteguy, P., Candusso, D., Hissel, D.  “A review on polymer electrolyte membrane fuel cell catalyst degradation and starvation issues: causes, consequences, and diagnostic for mitigation”, Journal of Power Sources, 2009,194: 130.
 
[7] Zhang, S., Yuan, X., Wang, H., Merida, W., Zhu, H., Shen, J. “A review of accelerated stress tests of MEA durability in PEM fuel cells”, International Journal of Hydrogen Energy, 2009, 34: 388.
 
[8] Liang, D., Shen, Q., Hou, M., Shao, Z., Yi, B. “Study of the reversal process of large area proton exchange membrane fuel cells under fuel starvation”, Journal of Power Sources, 2009, 194: 847.
 
[9] Li, H., Tang, Y., Wang, Z., Shi, Z., Wu, S., Song, D. “A review of water flooding issues in the proton exchange membrane fuel cell”, Journal of Power Sources, 2008, 178: 103.
 
[10] Nishikawa, H., Sasou, H., Kurihara, R., Nakamura, S., Kano,A., Tanaka, K. “High fuel utilization operation of pure hydrogen fuel cells”, International Journal of Hydrogen Energy, 2008, 33: 62.
 
[11] Uno, M., Shimada, T., Tanaka, K. “Reactant recirculation system utilizing pressure swing for proton exchange membrane fuel cell.” Journal of Power Sources, 2011, 196: 58.
 
[12] Lee, Y., Kim, B., Kim,Y. “An experimental study on water transport through the membrane of a PEFC operating in the dead-end mode”, International Journal of Hydrogen Energy, 2009, 34: 7768.
 
[13] Kwon, O. J., Kang, M. S., Ahn,S. H., , Kang, I. C., Lee, U., Jeong, J. H., Han, I.S., Yang, J. C., Kim, J. J. “Development of flow field design of polymer electrolyte membrane fuel cell using in-situ impedance spectroscopy”, International Journal of Hydrogen Energy,2011, 36: 9799.
 
[14] Hou,Y., Shen, C., Hao, D., Liu, Y., Wang, H. “ A dynamic model for hydrogen consumption of fuel cell stacks considering the effects of hydrogen purge operation”, Renewable Energy 2014, 62: 672.
 
[15] Chen, Y.S., Yang, C.W., Lee, J.Y. “Implementation and evaluation for anode purging of a fuel cell based on nitrogen concentration”, Applied Energy, 2014, 113: 1519.
 
[16] Belvedere, B., Bianchi, M., Borghetti, A., De Pascale, A., Paolone, M., Vecci, R. “Experimental analysis of a PEM fuel cell performance at variable load with anodic exhaust management optimization”, International Journal of Hydrogen Energy,2013, 38: 385.
 
[17] Hwang, J.J. “Effect of hydrogen delivery schemes on fuel cell efficiency”, Journal of Power Sources, 2013, 239: 54.
 
[18] Devrima, Y., Devrimb, H.,Erogluc, I.  “Development of 500 W PEM fuel cell stack for portable power generators”, International Journal of Hydrogen Energy,  2015, 40:. 7707.
 
[19] Yanga, Y.,   Zhanga, X.,   Guoa, L.,  Liub, H., Overall and local effects of operating conditions in PEM fuel cells with dead-ended anode”, International Journal of Hydrogen Energy, 2016, Article in press.
 
[20] Han, I.S., Jeong,J.,  Shin, H. K. “PEM fuel-cell stack design for improved fuel utilization”, International Journal of Hydrogen Energy,  2013, 38: 11996.
 
[21] Han,I.S.,  Kho, B.K., Cho, S. “Development of a polymer electrolyte membrane fuel cell stack for an underwater vehicle”, Journal of Power Sources 2016, 304: 244.
 
[22] Govindarasu, R., Parthiban, R., Bhaba, P. K. “Investigation of Flow Mal-distribution in Proton Exchange Membrane Fuel Cell Stack”, International Journal of Renewable Energy Research, 2012, 1: 652.
Hydrogen, Fuel Cell & Energy Storage
Volume 3, Issue 3 - Serial Number 11
August 2016
Pages 183-197

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