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Archival Journal Articles

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  1. New Peng, Y., Akuzum, B., Kurra, N., Zhao, M., Alhabeb, M., Anasori, B., Kumbur, E. C., Alshareef, H. N., Ger, M., and Gogotsi, Y., 2016, "All-MXene (2D Titanium Carbide) solid-state microsupercapacitors for on-ship energy storage", Energy and Environmental Science, vol. 9, 2847-2854. PDF
  2. New Boettcher, P., Agar, E., Dennison, C. R., and Kumbur, E. C., 2016, "Modeling of ion crossover in vanadium redox flow batteries: a computationally-efficient lumped parameter approach for extended cycling", Journal of The Electrochemical Society, vol. 163(1), A5244-A5252. PDF
  3. New Dennison, C. R., Agar, E., Akuzum, B., and Kumbur., E. C., 2016, "Enhancing mass transport in redox flow batteries by tailoring flow field and electrode design.", Journal of The Electrochemical Society, vol. 163 (1), A5163-A5169. PDF
  4. New Boota, M., Hatzell, K. B., Alhabeb, M., Kumbur, E. C., and Gogotsi, Y., 2015, "Graphene-containing flowable electrodes for capacitive energy storage.", Carbon, vol. 92, 142-149. PDF
  5. New Taspinar, R., Litster, S. and Kumbur, E.C., 2015, "A computational study to investigate the effects of the bipolar plate and gas diffusion layer interface in polymer electrolyte fuel cells", International Journal of Hydrogen Energy, vol. 136 (2), 021005. PDF
  6. Hatzell, K. B., Hatzell, M. C., Cook, K. M., Boota, M., Housel, G. M., McBride, A., Kumbur, E. C., and Gogotsi, Y. (2015), "The effect of oxidation of carbon material on suspension electrodes for flow-electrode capacitive deionization" Environmental Science & Technology, vol. 49 (5), 3040-3047. PDF
  7. Hatzell, K. B., Boota, M., Kumbur, E. C., and Gogotsi, Y., 2015, "Flowable conducting particle networks in redox-active electrolytes for grid energy storage" Journal of the Electrochemical Society, vol. 162 (5), A1-A6. PDF
  8. Boota, M., Hatzell, K. B., Kumbur, E. C., and Y. Gogotsi, 2015, "Towards high energy density pseudocapacitive flowable electrodes via incorporation of hydroquinone", ChemSusChem, vol. 8 (5), 835-843. PDF
  9. Schulz, V. P., Wargo, E. A., and Kumbur, E. C., 2015, "Pore-morphology-based simulation of drainage in porous media featuring a locally variable contact angle",Transport in Porous Media, 1-13. PDF
  10. Gong, H., Anasori, B., Dennison, C. R., Wang, K., Barsoum, M., Kumbur, E. C., Strich, R., and Zhou, J. G., 2014, “Fabrication, biodegradation behavior and cytotoxicity of Mg-ND nanocomposites for implant application,” Journal of Materials Science: Materials in Medicine, vol. 26 (2), 1-9. PDF
  11. Zenyuk, I. V., Taspinar, R., Kalidindi A. R., Park, J. Kumbur, E. C., and Litster, S., 2014, “Computational and experimental analysis of water transport at component interfaces in polymer electrolyte fuel cells,” Journal of the Electrochemical Society, 161(11), F3091-F3103. PDF
  12. Dennison, C. R., Gogotsi, Y., and Kumbur, E. C., 2014, “In-situ distributed diagnostics of flowable electrode systems: resolving spatial and temporal limitations,” Physical Chemistry Chemical Physics, vol. 16, 18241-18252. PDF
  13. Zhang, C., Boota, M., Hatzell, K. B., Dyatkin, B., Beidaghi, M., Long, D., Qiao, W., Kumbur, E. C., and Gogotsi, Y., 2014, “Highly porous carbon spheres for electrochemical capacitors and capacitive flowable suspension electrodes,” Carbon, vol. 77, 155-164. PDF
  14. Ren, X., Liu, K., Zhang, Q., Noh, M., Kumbur, E. C., Yuan, W. W., Zhou J. G., and Chong, P. –L., 2014, “Design, fabrication and characterization of archaeal tetraether free-standing planar membranes in a PDMS- and PCB-based fluidic platform,” ACS Applied Materials & Interfaces, vol. 6 (15), 12618-12628. PDF
  15. Boota, M., Hatzell, K. B., Dennison, C. R., Beidaghia, M., Kumbur, E. C., and Gogotsi, Y., 2014, “Activated carbon spheres as a flowable electrode in electrochemical flow capacitors,” Journal of the Electrochemical Society, vol. 161 (6), A1078-A1083. PDF
  16. Hatzell, K. B., Fan, L., Boota, M, Beidaghia, M., Pomerantseva, E., Kumbur, E. C., and Gogotsi, Y., 2014, “Composite manganese oxide percolating networks as a suspension electrode for an asymmetric flow capacitor,” ACS Applied Materials & Interfaces, vol. 6, 8886-8893. PDF
  17. Mayrhuber, I., Dennison, C. R., Kalra, V., and Kumbur, E. C., 2014, “Laser-perforated carbon paper electrodes for improved mass-transport in high power density vanadium redox flow batteries,” Journal of Power Sources, vol. 260, pp. 251-258. PDF
  18. Dennison, C. R., Beidaghi, M., Hatzell, K. B., Campos, J. W., Gogotsi, Y., and Kumbur, E. C., 2014, “Effects of flow cell design on charge percolation and storage in the carbon slurry electrodes of electrochemical flow capacitors,” Journal of Power Sources, vol. 247, pp. 489-496. PDF
  19. Hatzell, K. B., Beidaghi, M., Campos, J. W., Dennison, C. R., Kumbur, E. C., and Gogotsi, Y., 2013, “A high performance pseudocapacitive suspension electrode for the electrochemical flow capacitor,” Electrochimica Acta, vol. 111, pp. 888-897. PDF
  20. Agar, E. , Benjamin A., Dennison, C. R., Chen, D., Hickner, M. A., and Kumbur, E. C., 2014, “Reducing capacity fade in vanadium redox flow batteries by altering charging and discharging currents,” Journal of Power Sources, vol. 246, pp. 767-774. PDF
  21. Benjamin A., Agar, E., Dennison, C. R., and Kumbur, E. C., 2013, “On the quantification of coulombic efficiency for vanadium redox flow batteries: cutoff voltages vs. state-of-charge limits,” Electrochemistry Communications, vol. 35, pp. 42-44. PDF
  22. Chen, D., Hickner, M. A., Agar, E., and Kumbur, E. C., 2013, “Optimized anion exchange membranes for vanadium redox flow batteries,”ACS Applied Materials and Interfaces, vol. 5, pp. 7559-7566. PDF
  23. Litster, S., Epting, W. K., Wargo, E. A., Kalidindi, S. R., and Kumbur, E. C., 2013, “Morphological analyses of polymer electrolyte fuel cell electrodes with nano-scale computed tomography imaging,” Fuel Cells, vol. 13 (5), pp. 935-945. PDF
  24. Cecen, A., Fast, T., Kumbur, E. C. and Kalidindi, S. R., 2014, “A data-driven approach to establishing microstructure-property relationships in porous transport layers of polymer electrolyte fuel cells,” Journal of Power Sources, vol. 245, pp. 144-153. PDF
  25. Kalidindi, A. R., Taspinar, R., Litster, S., and Kumbur, E. C., 2013, “A two-phase model for studying role of microporous layer and catalyst layer interface on polymer electrolyte fuel cell performance,” International Journal of Hydrogen Energy, vol. 38, pp. 9297-9309. PDF
  26. Wargo, E. A., Kotaka, T., Tabuchi, Y., and Kumbur, E. C., 2013, “Comparison of focused ion beam versus nano-scale x-ray computed tomography for resolving 3-D microstructures of porous fuel cell materials,” Journal of Power Sources, vol. 241, pp. 608-618. PDF
  27. Zenyuk, I. V, Kumbur, E. C., and Litster, S., 2013, “Deterministic contact mechanics model applied to electrode interfaces in polymer electrolyte fuel cells and interfacial water accumulation,” Journal of Power Sources, vol. 241, pp. 379-387. PDF
  28. Campos, J., Beidaghia, M., Hatzell, K. B., Dennison, C. R., *Musci, B., Presser, V., Kumbur, E. C., and Gogotsi, Y., 2013, “Investigation of carbon materials for use as a flowable electrode in electrochemical flow capacitors,” Electrochemicia Acta,vol. 98, pp. 123-130. PDF
  29. Agar, E., *Knehr, K. W., Chen, D., Hickner, M. A., and Kumbur, E. C., 2013, “Species transport mechanisms governing capacity loss in vanadium flow batteries: comparing Nafion® and sulfonated radel membranes,” Electrochimica Acta, vol. 98, pp. 66-74. PDF
  30. Chen, D., Hickner, M. A., Agar, E., and Kumbur, E. C., 2013, “Optimizing membrane thickness for vanadium flow batteries,” Journal of Membrane Science, vol. 437, pp 108-113. PDF
  31. Agar, E., *Knehr, K. W., Dennison, C. R., and Kumbur, E. C., 2013, " Identification of Performance Limiting Electrode using Asymmetric Cell Configuration in Vanadium Redox Flow Batteries," Journal of Power Sources, vol. 225, pp 89-94. PDF
  32. Chen, D., Hickner, M. A., Agar, E., and Kumbur, E. C., 2013, "Selective anion exchange membranes for high coulombic efficiency vanadium redox flow batteries," Electrochemistry Communications, vol. 26, pp 37-40. PDF
  33. Wargo, E. A., *Cecen, A., Schulz, V., Kalidindi S. R., and Kumbur, E. C., 2013, " Resolving macro- and micro-porous layer interaction in polymer electrolyte fuel cells using focused ion beam and x-ray computed tomography," Electrochimicia Acta, vol. 87, pp 201-212. PDF
  34. *Knehr, K. W. and Kumbur, E.C., 2012 " Role of convection and related effects on species crossover and capacity loss in vanadium flow batteries," Electrochemistry Communications, vol. 23, pp 76-79 PDF
  35. *Qiu, Q., Dennison, C. R., *Knehr, K. W., Kumbur, E. C. and Sun Y., 2012, "Pore-scale analysis of effects of electrode morphology and electrolyte flow conditions in vanadium redox flow Batteries," Journal of Power Sources, vol. 219, pp. 223-234 PDF
  36. *Knehr, K. W., Agar, E., Dennison, C. R., *Kalidindi, A. R., and Kumbur, E. C., 2012, "A transient vanadium flow battery model incorporating species crossover and water transport in the membrane," Journal of Electrochemical Society, vol. 159, (9) pp. A1446-A1459 PDF
  37. Presser, V., Dennison, C. R., Compos, J., *Knehr, K. W., Kumbur E. C., and Gogotsi, Y. 2012, "The electrochemical flow capacitor: a new concept for rapid energy recovery and delivery," Advanced Energy Materials, vol. 2, pp 895-902 (cover article). PDF
  38. *Qiu, Q., Joshi, A. S., Dennison, C. R., *Knehr, K. W., Kumbur, E. C. and Sun Y., 2012, "3-D pore-scale modeling of transport phenomena in a vanadium redox flow battery using x-ray tomography and the lattice Boltzmann method," Electrochemicia Acta, vol. 64, pp. 46-64. PDF
  39. *Cecen, A., Wargo, E. A., Hanna, A. C., Turner, D., Kalidindi, S. R., and Kumbur E. C., 2012, " 3-D Microstructure analysis of fuel cell materials: spatial distributions of tortuosity, void size, and diffusivity," Journal of the Electrochemical Society, vol. 159 pp. B1-B9 PDF
  40. Wargo, E. A., Hanna, A. C., *Cecen, A., Kalidindi, S. R., and Kumbur E. C., 2012, "Selection of representative volume elements for pore scale analysis of transport in fuel cell materials," Journal of Power Sources, vol. 197, pp. 168-179 PDF
  41. *Knehr, K. W. and Kumbur, E. C., 2011, "Open circuit voltage of vanadium redox flow batteries: discrepancy between models and experiments," Electrochemistry Communications, vol. 13, pp. 342-345 PDF
  42. Swamy, T., Kumbur E. C. and Mench, M. M., 2011, "Investigation of bipolar plate and diffusion media interface: a fractal geometry approach," Electrochemica Acta, vol. 56, pp. 3060-3070 PDF
  43. Manahan, M. Jr., Hatzell, M. C., Kumbur, E. C., and Mench, M. M., 2011, Laser perforated fuel cell diffusion media Part I: Related changes in performance and water content," Journal of Power Sources, vol. 196, pp. 5573-5582. PDF
  44. Bajpai, H., Khandelwal, M., Kumbur, E. C., and Mench, M. M., 2010, A computational model for assessing impact of interfacial morphology on polymer electrolyte fuel cell performance," Journal of Power Sources, vol. 195, pp. 4196-4205 PDF
  45. Hizir, F. E., Ural, S. O., Kumbur, E. C., and Mench, M. M., 2010, Characterization of interface morphology in PEFCs: Microporous layer and catalyst layer surfaces," Journal of Power Sources, vol. 195, pp. 363-3471 PDF
  46. Swamy, T., Kumbur E. C., Mench, M. M., 2010, Characterization of interfacial structure in polymer electrolyte fuel cells: Water storage and contact resistance model, Journal of Electrochemical Society, vol. 157, pp. B77-B85 PDF
    47. ------------ Before Joining Drexel University -------------

  47. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2008, A design tool for predicting the capillary transport characteristics of fuel cell diffusion media using an artificial neural network, Journal of Power Sources, vol. 176, pp. 191-199. PDF
  48. Ramasamy, R. P., Kumbur, E. C., Mench, M. M., 2008, Investigation of micro and macro sub-layer interaction in porous gas diffusion electrodes of polymer electrolyte fuel cell," International Journal of Hydrogen Energy, vol. 33, pp. 3351-3367. PDF
  49. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, On the effectiveness of the Leverett approach for describing the water transport in fuel cell diffusion media, Journal of Power Sources, vol.168, pp. 356-368. PDF
  50. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, Validated Leverett approach for multi-phase transport in polymer electrolyte fuel cell porous media. Part 1: Hydrophobicity Effect, Journal of the Electrochemical Society, vol. 154 (12), pp. B1295-B1304. PDF
  51. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, Validated Leverett approach for multi-phase transport in polymer electrolyte fuel cell porous media. Part 2: Compression Effect, Journal of the Electrochemical Society, vol. 154 (12), pp. B1305-B1314. PDF
  52. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, Validated Leverett approach for multi-phase transport in polymer electrolyte fuel cell porous media. Part 3: Temperature Effect and Unified Approach, Journal of the Electrochemical Society, vol. 154 (12), pp. B1315-B1324. PDF
  53. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2006, Liquid droplet behavior and instability in a polymer electrolyte fuel cell flow channel, Journal of Power Sources, vol. 161, pp. 333-345. PDF
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Book

  1. "Polymer Electrolyte Fuel Cell Degradation," 2011, Editors: Mench, M. M., Kumbur, E. C., and Veziroglu, T. N., Elsevier Publishing, Academic Press. ISBN: 978-0-12-386936-4.

Book Chapters

  1. Kumbur, E. C., "Multi-phase flow in polymer electrolyte fuel cell porous media," M. M. Mench, 2008, FUEL CELL ENGINES, John Wiley and Sons Inc., New York, 2008, Edited Chapter 5, pp. 243-263.
  2. Kumbur E. C. , Mench M. M. "Water management in PEFCs" In: Juergen Garche, Chris Dyer, Patrick Moseley, Zempachi Ogumi, David Rand and Bruno Scrosati, editors. Encyclopedia of Electrochemical Power Sources, Vol 2. Amsterdam: Elsevier; 2009. pp. 828–847.
  3. Wargo A. E., Dennison, C. R., and Kumbur, E. C., 2011 "Durability aspects of polymer electrolyte fuel cells: status and target" In: Mench, M. M., Kumbur, E. C., and Veziroglu, T. N. editors. Polymer Electrolyte Fuel Cell Degradation, Elsevier Publishing, Academic Press. ISBN: 978-0-12-386936-4.
  4. Swamy, T. and Kumbur, E. C., 2011, "The role of interfaces on water management of PEM fuel cells," In: Hartnig,C. and Roth, C., editors: Polymer electrolyte membrane and direct methanol fuel cell technology, Woodhead Publishing, ISBN 1 84569 774 X


Peer-Reviewed Conference Proceedings

  1. Zeynuk, I., Kalidindi, A. R., Taspinar, R., Kumbur, E. C., and Litster, S., 2013 “Coupling of deterministic contact mechanics model and two-phase model to study the effect of catalyst layer|microporous layer interface on polymer electrolyte fuel cell,” Electrochemical Society Transactions, vol. 58(1), pp. 1125-1135 PDF
  2. Chen, D., Hickner, M. A., Agar, E., and Kumbur, E. C., 2013, “Anion exchange membranes for vanadium redox flow batteries,” Electrochemical Society Transactions, vol. 53(7), pp. 83-89. PDF
  3. Agar, E., *Knehr, K. W., Dennison, C. R., and Kumbur, E. C., 2013, " Asymmetric performance testing of carbon felt electrodes to identify the limiting electrode in vanadium redox flow batteries," Electrochemical Society Transactions, vol. 53(7), pp. 69-73. PDF
  4. Wargo, E. A., Schulz, V. P., *Cecen, A., Kalidindi, S. R., and Kumbur, E. C., 2013, "Microstructure-driven analysis of two-phase transport in diffusion media of PEFCs," Electrochemical Society Transactions, vol. 50(2), pp. 513-519. PDF
  5. Wargo, E. A., Hanna, A. C., *Cecen, A., Kalidindi, S. R., and Kumbur, E. C., 2011, "A Representative volume element approach for pore-Scale modeling of fuel cell materials," Electrochemical Society Transactions, vol. 41, pp. 131-139 PDF
  6. *Cecen, A., Wargo, E. A., Hanna, A. C., Turner, D. M., Kalidindi, S.R., and Kumbur, E. C., 2011, "Microstructure analysis tools for quantification of key structural properties of fuel cell materials," Electrochemical Society Transactions, vol. 41 pp. 679-687 PDF
  7. Swamy, T., Hizir, F. E., Ural S., Kumbur E. C., and Mench, M. M., 2009, "Interfacial morphology and contact resistance model for polymer electrolyte fuel cells," Electrochemical Society Transactions, vol. 25, pp. 15-27 PDF
  8. Bajpai, H., Khandelwal M., Kumbur E. C., and Mench, M. M., 2009, "Model to investigate interfacial morphology effects on polymer electrolyte fuel cell performance," Electrochemical Society Transactions, vol. 25, pp. 3-13 PDF
  9. Manahan, M. Jr., Kim., S., Kumbur E. C., and Mench, M. M., 2009, " Effects of surface irregularities and interfacial cracks on polymer electrolyte fuel cell performance," Electrochemical Society Transactions, vol. 25, pp. 1745-1754. PDF
  10. Hizir F. E., Swamy, T., Ural S., Kumbur E. C., and Mench, M. M., 2009, " Characterization of microporous layer-catalyst layer interface structure in polymer electrolyte fuel cells", ASME FUELCELL2009-85092, proceedings of 7th ASME International Conference on Fuel Cell Science Engineering and Technology, June 8-10, Newport Beach, CA PDF
  11. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, "An artificial neural network for capillary transport characterization of fuel cell diffusion media," Electrochemical Society Transactions-0540, vol. 11, pp. 675-682. PDF
  12. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, "Capillary pressure-saturation behavior of carbon paper fuel cell diffusion media: a validated approach," Electrochemical Society Transactions-0540, vol. 11, pp. 683-692. PDF
  13. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2006, "Factors impacting liquid droplet instability in a polymer electrolyte fuel cell flow channel," ASME FUELCELL2006-97041, proceedings of 4th ASME International Conference on Fuel Cell Science Engineering, June 17-19, Irvine CA. PDF
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Conference Presentation, Abstracts and Posters

  1. Agar, E., Benjamin, A., Dennison, C. R., Chen, D., Hickner, M. A., and Kumbur, E. C., 2013, “Mitigating capacity fade in vanadium redox flow batteries using asymmetric currents during cycling,” 224th Electrochemical Society Meeting, San Francisco , Oct 27-Nov 1.
  2. Dennison, C. R., Beidaghia M., Hatzell, K. B., Campos, C. R., Gogotsi, Y., and Kumbur, E. C., 2013, “Charge transfer and storage in the electrochemical flow capacitor – a new concept for grid-scale energy storage,” 224th Electrochemical Society Meeting, San Francisco , Oct 27-Nov 1.
  3. Hatzell, K. B., Beidaghia M., Boota, M., Dennison, C. R., Kumbur, E. C., and Gogotsi, Y., 2013, “Methods for enhancing the flowable electrode capacitance in the electrochemical flow capacitor,” 224th Electrochemical Society Meeting, San Francisco , Oct 27-Nov 1.
  4. Boota, M., Hatzell, K. B., Beidaghia M., Dennison, C. R., Kumbur, E. C., and Gogotsi, Y., 2013, “Optimization of flowable electrode for electrochemical flow capacitors,” 224th Electrochemical Society Meeting, San Francisco , Oct 27-Nov 1.
  5. Benjamin, A., Agar, E., Dennison, C. R., and Kumbur, E. C., 2013, “On the determination of coulombic efficiency for vanadium redox flow batteries: cutoff voltage vs. state of charge limits,” 224th Electrochemical Society Meeting, San Francisco , Oct 27-Nov 1.
  6. Dennison, C. R., Beidaghia M., Hatzell, K. B., Campos, C. R., Kumbur, E. C., and Gogotsi, Y., 2013, “Electrochemical flow capacitor: a new concept for grid scale energy storage,” Advanced Automotive Battery Conference - ECCAP Symposium, Large EC Capacitor Technology and Application, Strasbourg France, June 24-28 (invited).
  7. Hatzell, K. B., Beidaghia, M., Dennison, C. R., Campos, J., Kumbur, E. C., and Gogotsi, Y., 2013, “Investigation of activated carbon materials performance for flowable electrode in the electrochemical flow capacitor,” Materials for Vehicular and Grid Energy Storage, MRS Spring Meeting, San Francisco, April 1-5.
  8. Agar, E., *Knehr, K. W., Dennison, C. R., and Kumbur, E. C., 2013, “Investigation of reaction mechanims in vanadium redox flow batteries via asymmetric performance tests,” ASME 7th International Conference on Energy Sustainability, Minneapolis, MN, July 14-19.
  9. Taspinar, R., *Kalidindi, A. R., Litster, S., and Kumbur, E. C., 2013, “Role of microporous layer and catalyst layer interface on two phase transport in polymer electrolyte fuel cells,” ASME 7th International Conference on Energy Sustainability, Mineaspolis, MN, July 14-19.
  10. Dennison, C. R., Presser, V., Compos, J., *Knehr, K. W., Gogotsi, Y., and Kumbur E. C., 2013 “The electrochemical flow capacitor: Grid scale capacitive energy storage,” AIChe Massive Energy Storage for the Broader Use of Renewable Energy Sources, Newport Beach, CA June 23-26. (invited)
  11. Agar, E., *Benjamin, A., Knehr, K.W., Dennison, C. R., and Kumbur, E. C., 2013, “Prediction and mitigation of capacity fade in vanadium redox flow batteries,” AIChe Massive Energy Storage for the Broader Use of Renewable Energy Sources, Newport Beach, CA June 23-26. (invited)
  12. Agar, E., Chen, D., Hickner, M. A., and Kumbur, E. C., 2013, “Role of membrane thickness on the species crossover of vanadium flow batteries” 223h Electrochemical Society Meeting, Toronto, Canada , May 12-16.
  13. Qiu, Q., Andersen, C., Joshi, A. S., Dennison, C. R., *Knehr, K. W., Kumbur, E. C. and Sun Y., 2012, " 3D pore-scale resolved transport model for vanadium redox flow batteries," ASME international Mechanical Engineering Congress and Exposition, ASME IMECE2012-93787. November 9-15, Houston, TX, USA.
  14. Agar, E., Dennison, C. R.,*Kalidindi, A. R., *Knehr, K. W., Kumbur, E. C., 2012, "Investigation of Functionalized Electrode Performance in Vanadium Redox Flow Batteries," 2012 MRS Fall Meeting, November 25-30, Boston, Massachusetts.
  15. *Knehr, K. W., Agar, E. A., Dennison, C. R., *Kalidindi, A. R., Kumbur, E .C., 2012, "Reducing Capacity Loss in Vanadium Redox Flow Batteries by Controlling Convective Transport Across the Membrane," 2012 MRS Fall Meeting, November 25-30, Boston, Massachusetts.
  16. Dennison, C. R., Presser, V., Compos, J., *Knehr, K. W., Kumbur E. C., and Gogotsi, Y. 2012, " Electrochemical flow capacitors: a new concept for high-power scalable energy storage," 222nd Electrochemical Society Meeting, Hawaii Oct 7-12.
  17. *Knehr, K. W., Agar, E., *Kalidindi, A. R., Dennison, C. R., Chen, D., Hickner, M. A. and Kumbur, E. C., 2012, "Role of Membrane properties on species crossover and capacity loss of a vanadium redox flow battery," 222nd Electrochemical Society Meeting, Hawaii Oct 7-12.
  18. Wargo, E. A., Schulz, V. P., *Cecen, A., Kalidindi, S. R., and Kumbur, E. C., 2012, "Advanced microstructural analysis tools to quantify two-phase transport in gas diffusion layers of polymer electrolyte fuel cells," 244th American Chemical Society Annual Meeting, August 19-23, Philadelphia.
  19. Agar, E., *Knehr, K. W., *Kalidindi, A. R., Dennison, C. R., and Kumbur, E. C., 2012, "Reaction kinetics of vanadium species on functionalized carbon-felt electrodes of vanadium redox flow batteries," 244th American Chemical Society Annual Meeting, August 19-23, Philadelphia.
  20. *Knehr, K. W., Agar, E., *Kalidindi, A. R., Dennison, C. R., and Kumbur, E. C., 2012, "Performance modeling of redox flow batteries," 244th American Chemical Society Annual Meeting, August 19-23, Philadelphia. (invited).
  21. Dennison, C. R., Presser, V., Campos, J., *Knehr, K. W., Kumbur, E. C., and Gogotsi, Y., 2012, "The electrochemical flow capacitor - a new approach to grid-scale energy storage," 244th American Chemical Society Annual Meeting, August 19-23, Philadelphia.
  22. Campos, J., Presser, V., Dennison, C.R., *Knehr, K. W., Kumbur, E. C., and Gogotsi, Y., 2012, "Investigation of electrode materials for electrochemical flow capacitors," 244th American Chemical Society Annual Meeting, August 19-23, Philadelphia.
  23. Kotaka, T., Shiomi, T., Oaki, A., kubo, N., Tabuchi, Y., Wargo, E. A., Kalidindi, S. R., and Kumbur, E. C., 2012, "Transport analysis based on microstructure of the porous layers in PEFCs", Gordon Fuel Cell Research Conference, August 5-10, Smithfield, RI.
  24. *Knehr, K. W., Agar, E., *Kalidindi, A. R., Dennison, C. R., and Kumbur, E. C., 2012, " A computational model for quantification of species crossover and related losses in vanadium redox flow batteries," ASME 6th Conference on Energy Sustainability, San Diego, California July 23-26.
  25. Wargo, E. A., Schulz, V., *Cecen, A., Kalidindi, S. R., and Kumbur, E. C., 2012, "Characterization of two-phase flow properties of dual-layer PEFC gas diffusion electrodes via microstructure analysis and pore-scale modeling," ASME 10th International Fuel Cell Science, Engineering & Technology Conference, San Diego, California July 23-26..
  26. Campos, J., Presser, V., Dennison, C. R., *Knehr, K. W., Kumbur, E. C., and Gogotsi, Y., 2011, " The electrochemical flow capacitor: a new technology for stationary storage of electrical energy," Gordon Research Conference on Electronic Processes in Organic Materials, June 8-12, Lucca, Italy.
  27. Wargo, E. A., Schulz, V. P., *Cecen, A., Kalidindi, S. R., and Kumbur, E. C., 2012, "Microstructure and two-phase flow analysis of gas diffusion electrodes of polymer electrolyte fuel cells," 19th World Hydrogen Energy Conference, June 3-7, Toronto Canada.
  28. Agar, E. A., *Knehr, K. W., *Kalidindi, A. R., Dennison, C. R., and Kumbur, E. C., 2012, "Multi-ionic transport and effects of crossover in vanadium redox flow batteries," 221st Electrochemical Society Meeting, May 6-11, Seattle, Washington
  29. *Kalidindi, A.R., and Kumbur, E.C., 2012, "Reaction kinetics of vanadium species on carbon felt electrodes," National Collegiate Research Conference, January 19-21, Cambridge, Massachusetts.
  30. *Kalidindi, A.R., and Kumbur, E. C., 2012, "Investigation of electrolyte crossover in vanadium redox flow batteries," National Conference for Undergraduate Research, March 29-31, Ogden, Utah.
  31. *Knehr, K. W., Agar, E., Dennison, C. R., *Kalidindi, A. R., Kumbur, E. C., 2011, "Modeling Species crossover and related effects on the performance of a vanadium redox flow battery", The foruth International Forum on Multidisciplinary Education and Research for Energy Science, December 17-21, 2011, Honolulu, Hawaii (invited).
  32. Dennison, C. R., *Kalidindi, A. R., Biel-Gobel, J. J., Commons, W., Agar, E. A., *Knehr, K. W.,and Kumbur, E. C., 2011. "Ionic transport and kinetic processes in vanadium redox flow batteries", The fourth International Forum on Multidisciplinary Education and Research for Energy Science, December 17-21, 2011, Honolulu, Hawaii. (invited).
  33. Campos, J., Dennison, C. R., *Knehr, K. W., C. Biel-Goebel, J., Presser, V., Kumbur, E. C., and Gogotsi, Y., 2011, " An energy problem bottleneck solution: capacitor component integration and characterization," 14th Annual Philadelphia AMP Research Symposium and Mentoring Conference, Philadelphia, PA (Best Presentation Award).
  34. Wargo, E. A., Hanna, A. C., *Cecen,A., Kalidindi, S.R., and Kumbur, E. C., 2011, "A new approach for quantification of morphology-property linkages In fuel cell materials: a case study for PEM fuel cells,", AIChE Annual Meeting, October 25, Minneapolis.
  35. Agar, E., *Knehr, K. W., Dennison, C. R., and Kumbur, E. C., 2011, ""Component and performance analysis of vanadium redox flow batteries: experimental and modeling studies," AIChE Annual Meeting, October 25, Minneapolis (invited).
  36. Agar, E., *Knehr, K. W., and Kumbur, E. C., 2011, "Simulating performance and species crossover in a vanadium redox flow battery using COMSOL Multiphysics," COMSOL Conference, October 13-15, Boston Massachusetts.
  37. Agar, E., *Knehr, K. W., Dennison, C. R., and Kumbur, E. C., 2011, ""Investigation of performance limiting issues in vanadium redox flow batteries: a macroscopic modeling approach," 220th ECS Meeting & Electrochemical Energy Summit, Oct 9-14, Boston, MA..
  38. Wargo, E. A., Hanna, A. C., *Cecen, A., Johnson, C. L., Kalidindi, S. R. and Kumbur, E. C., 2011, "Focused ion beam tomography of diffusion media for fuel cells. Microscopy & Microanalysis, vol. 17, Supplement 2, Aug 7- 11, Nashville, Tennessee.
  39. Dennison, C. R., *Knehr, K. W., *Commons, W., Agar, E. and Kumbur, E. C., 2011, "Characterization of electrode and cell potential in vanadium redox flow batteries," 5th ASME International Conference on Energy Sustainability, August 7-10, Washington DC.
  40. Wargo, E. A., Hanna, A. C., *Cecen, A., Kalidindi, S. R., and Kumbur, E. C., 2011, "A new approach for microstructure characterization of porous fuel cell materials," 9th ASME International Conference on Fuel Cell Science, Engineering and Technology, August 7-10, Washington DC.
  41. Manahan, M. Jr., Hatzell, M., Kumbur, E. C., and Mench, M. M., 2011, "Laser perforated diffusion media," 9th ASME International Conference on Fuel Cell Science, Engineering and Technology, August 7-10, Washington DC.
  42. *Cecen A., Wargo, E. A., Hanna, A. C., Kalidindi, S. R., and Kumbur, E. C., 2011, "Determination of Key Structural Parameters of Fuel Cell Porous Media through Microstructure Quantification," 9th ASME International Conference on Fuel Cell Science, Engineering and Technology, August 7-10, Washington DC.
  43. *Qang, Q., Joshi, A. S., Dennison, C. R., Kumbur, E. C., and Sun, Y., 2011 "Modeling the micro-structural properties and performance of a vanadium redox flow battery", 9th ASME International Conference on Energy Sustainability, August 7-10, Washington DC.
  44. Joshi, A. S., Dennison, C. R., Kumbur, E. C., and Sun, Y., 2011 "Effects of assembly-induced compression on the performance of a vanadium redox flow battery", 219th Electrochemical Society Meeting, May 1-6, 2011, Montreal, Canada.
  45. Dennison, C. R., *Knehr K. W., and Kumbur, E. C., 2010. "Open circuit voltage and effects of electrode compression in vanadium redox flow batteries," Third International Forum on Multidisciplinary Education and Research for Energy Science, Dec 09-14 Ishigaka, Tokyo Institute of Technology COE Program, Japan. Best Presentation Award (invited).
  46. Wargo, E. A., Hanna A. C., *Cecen, A., Kalidindi, S. R., and Kumbur, E. C., 2010. "Microstructure characterization of micro-porous layer in PEM fuel cells," The Third International Forum on Multidisciplinary Education and Research for Energy Science, Dec 09-14 Ishigaka, Tokyo Institute of Technology COE Program, Japan (invited).
  47. Joshi, A., Kumbur, E. C., and Sun, Y., 2010, "Pore-scale modeling of transport phenomena in a vanadium redox battery using x-ray tomography and the lattice Boltzmann method," 63rd Annual Meeting of the APS Division of Fluid Dynamics, vol. 55, number 6, Nov 21-23, Long Beach, CA (Abstract+Presentation).
  48. Manahan, M. Jr., Hizir, F. E., Kumbur, E. C., and Mench, M. M., 2010, "Perforated interface structure and related changes in fuel cell performance," 8th ASME International Conference on Fuel Cell Science Engineering and Technology, June 14-16, Brooklyn New York.
  49. Mench, M. M., and Kumbur, E. C., 2010, "Advanced fuel cell modeling," 17th World Hydrogen Energy Conference, Essen Germany, May 16-19 Essen, Germany (invited).
  50. Swamy T., Khandelwal M., Manahan, M. P., Hizir, F. E., Kumbur, E. C., and Mench, M. M., 2009, "Characterization of MPL|CL interfacial morphology in polymer electrolyte fuel cells", Presentation, Second International Forum on Multidisciplinary Education and Research for Energy Science, Dec 13-18- Okinawa, Tokyo Institute of Technology COE Program, Japan (invited).
  51. Manahan, M. P., Bajpai, H., Kumbur, E. C., and Mench, M. M., 2009, "Effect of CL|MPL Interfacial Morphology on PEFC Performance," Fuel Cells: Materials, Challenges and Breakthroughs, University of Pennsylvania, September 26, Philadelphia USA.
  52. Hizir, F. E., Swamy, T., Kumbur, E. C., and Mench, M. M., 2009, "Interfacial Contact Model and Surface Characterization in PEFCs," Fuel Cells: Materials, Challenges and Breakthroughs, University of Pennsylvania, September 26, Philadelphia USA.
  53. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2008, "An updated approach for describing the transport in polymer electrolyte fuel cell porous diffusion media", Presentation, First International Forum on Multidisciplinary Education and Research for Energy Science, Dec 14-17, Tokyo Institute of Technology COE Program, Japan.
  54. Hizir F. E., Ural S., Kumbur E. C. and Mench, M. M., 2008, " Digital characterization of micro porous layer-catalyst layer interface structure in polymer electrolyte fuel cells", First International Forum on Multidisciplinary Education and Research for Energy Science, Dec 14-17, Tokyo Institute of Technology COE Program, Japan Best Presentation Award.
  55. Swamy T., Khandelwal M., Kumbur E. C. and Mench, M. M., 2008, " Model for prediction of compressed surface morphology between electrode and diffusion media in polymer electrolyte fuel cells", Presentation, First International Forum on Multidisciplinary Education and Research for Energy Science, Dec 14-17, Tokyo Institute of Technology College of Engineering Program, Japan.
  56. Khandelwal M., Bajpai H., Kim S., Kumbur E. C. and Mench, M. M., 2008, " The impact of interfacial discontinuities on the operating temperature and current profile in an operating polymer electoryle fuel cell", Presentation, First International Forum on Multidisciplinary Education and Research for Energy Science, Dec 14-17, Tokyo Institute of Technology COE Program, Japan.
  57. Ramasamy, R. P., Khandelwal, M., Kumbur, E. C., and Mench, M. M., 2007, "Experimental determination of diffusion coefficient of water in PEFC membrane at low temperatures," 211th Electrochemical Society Meeting, October 7-12, Washington DC .
  58. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, "Capillary transport characterization of thin-film fuel cell media: A modified Leverett approach," ASME FUELCELL2007-25085, Presentation, 5th International Conference on Fuel Cell Science Engineering and Technology, June 18-20, New York .
  59. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, "The role of compression on multi-phase transport characteristics of thin-film fuel cell media with mixed wettability," ASME FUELCELL2007-25085, Presentation, 5th International Conference on Fuel Cell Science Engineering and Technology, June 18-20, New York.
  60. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, "Design tool for predicting the multi-phase transport characteristics of fuel cell diffusion media using artificial neural network," Presentation , 211th Electrochemical Society Meeting, October 7-12, Washington DC.
  61. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, "A validated modified Leverett approach for describing the capillary transport in carbon-fiber based fuel cell diffusion media," Presentation, 211th Electrochemical Society Meeting, October 7-12, Washington DC.
  62. Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2007, " A unified physical model for capillary transport in thin-film fuel cell diffusion media with mixed wettability," Poster Presentation, Gordon Research Conferences on Fuel Cells, Bryant University, July 22-27, Smithfield RI.
  63. Khandelwal, M., Kumbur, E. C., Sharp, K. V., and Mench, M. M., 2006, "Interfacial and bulk thermal and mass transport parameters in fuel cell media," Presentation, 210th Electrochemical Society Meeting, October 29 Cancun, Mexico.
  64. Kumbur, E. C., Khandelwal, M., Sharp, K. V., and Mench, M. M., 2006, "Thermal and mass transport characterization of polymer electrolyte fuel cell," Poster Presentation, 3rd Hydrogen Day The Pennsylvania State University, November 14, University Park, PA.
  65. Dong, Q., Kumbur, E. C., Kull, J, Shields, D., and Mench, M. M. 2004. Distributed Dynamics of Water Vapor and Other Gas-Phase Species in Polymer Electrolyte Fuel Cells. Presented at the 205th Electrochemical Society Meeting, San Antonio, TX.
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Patent and Invention Disclosures

  1. Gogotsi Y., Presser V., Kumbur, E. C., 2011 "The electrochemical flow capacitor: A new concept of rapid energy recovery & delivery", Non-Provisional Patent: PCT/US2012/024960
  2. Mench, M. M., Ray, A., Chin, S., and Kumbur, E. C., 2007 "Rapid response sensor for low-level carbon monoxide in an operating PEFC", The Pennsylvania State University, Patent Application No: United States 20070166585, International Patent Application No. WO/2007/087271 (Pending).
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Advanced Energy Materials Electrochemical Communications ACS Carbon Journal Power Sources ChemSusChem Environmental Science and Techonolgy Fuel Cells Electrochimica Acta Journal of Electrochemical Society Physical Chemistry Chemical Physics International Journal of Hydrogen Energy Materials in Medicine Transport in Porous Media Journal of Membrane Science Polymer Electrolyte Fuel Cell Degradation ECS Fuel Cell Engines