PUBLICATIONS        

  1. Marin-Flores, O.; Scudiero, L.; Ha., S. X-ray Diffraction and Photoelectron Spectroscopy Studies of MoO2 as Catalyst for the Partial Oxidation of Isooctane. Submitted to Surface Science (2009).
  2. Lin S.; Daimon, H.; Ha, S. Co/CeO2-ZrO2 catalysts prepared by impregnation and coprecipitation for ethanol steam reforming. Submitted to Applied Catalysis A (2009).
  3. Chen, Y.; Lin, S.; Kim, S.; Ha. S. Preparation of a New Proton Conducting Silicon Membrane for Miniature Fuel Cells. Journal of New Materials for Electrochemical Systems. Accepted in 2008.
  4. Lin S.; Kim, D.H.; Ha, S. Metallic phases of cobalt-based catalysts in ethanol steam reforming: The effect of cerium oxide. Applied Catalysis A (2009), 355(1-2), pp. 69-77.
  5. Marin-Flores, O.; Ha, S. Activity and stability studies of MoO2 catalyst for the partial oxidation of gasoline. Applied Catalysis A (2009), 352(1-2), pp. 124-132.
  6. Marin-Flores, O.; Ha, S.  Activity and stability of Mo2C for isooctane steam reforming.  Catalysis Today (2008), 136, pp. 235-242.
  7. Lin, S.; Kim, D.H.; Ha, S.  Hydrogen Production from Ethanol Steam Reforming Over Supported Cobalt Catalysts.  Catalysis Letters (2008), 122, pp. 295-301.
  8. Jung, W.;Ha, S.  Impedance Electrochemical Spectroscopic Study of Direct Formic Acid Fuel Cells. Journal of Power Sources (2007), 173(1), pp. 53-59.
  9. Lin, S.; Thomson, W.; Hagenson, T.; Ha, S.  Steam reforming of methanol using supported Mo2C catalysts.  Applied Catalysis A (2006), 318, pp. 121-127.
  10. Fischback, M.; Youn, J.; Zhao, X.; Wang, P.; Park, H.; Chang, H.; Kim, J.; Ha, S.  Miniature Biofuel Cells with Improved Stability under Continuous Operation.  Electroanalysis (2006), 18, pp. 2016-2022.
  11. Ha, S.; Dunbar, Z.; Masel, R. I.  Characterization of High Performing Passive Direct Formic Acid Fuel Cell.  Journal of Power Sources (2006), 158(1), pp. 129-136.
  12. Larsen, R.; Ha, S.; Zakzeski, J.;Masel, R. I.  Unusually active palladium based catalysts for the electrooxidation of formic acid.  Journal of Power Sources (2006), 157(1), pp. 78-84.
  13. Ha, S.; Larsen, R.; Masel, R. I.  Performance characterization of Pd/C nanocatalyst for direct formic acid fuel cells.  Journal of Power Sources (2005), 144(1), 28-34.
  14. Ha, S.; Larsen, R.; Zhu, Y.; Masel, R. I.  Direct formic acid fuel cells with 600 mA/cm2 at 0.4 V and 22 oC.  Fuel Cells (2004), 4(4), pp. 337-343.
  15. Ha, S.; Adams, B.; Masel, R.  A Miniature Air Breathing Direct Formic Acid Fuel Cell.  Journal of Power Sources (2004), 128(2), pp. 119-124.
  16. Zhu, Yimin; Ha, Su Y.; Masel, Richard I.  High power density direct formic acid fuel cells.  Journal of Power Sources (2004), 130(1-2), pp. 8-14.
  17. Rhee, Young-Woo; Ha, Su Y.; Masel, R.  Crossover of formic acid through Nafion membranes.   Journal of Power Sources (2003), 117(1-2), pp. 35-38.
  18. Rice, C.; Ha, S.; Masel, R. I.; Wieckowski, A.  Catalysts for direct formic acid fuel cells.  Journal of Power Sources (2003), 115(2), pp. 229-235.
  19. Ha, Su; Rice, Cynthia A.; Masel, Richard I.; Wieckowski, Andrzej.  Methanol conditioning for improved performance of formic acid fuel cells.    Journal of Power Sources (2002), 112(2), pp. 655-659.
  20. Rice, C.; Ha, S.; Masel, R. I.; Waszczuk, P.; Wieckowski, A.; Barnard, Tom.  Direct formic acid fuel cells.  Journal of Power Sources (2002), 111(1), pp. 83-89.
  21. Burke, Matthew D.; Ha, Su Y.; Pysz, Marybeth A.; Khan, Saad A. Rheology of protein gels synthesized through a combined enzymatic and heat treatment method.  International Journal of Biological Macromolecules (2002), 31(1-3), pp. 37-44.

 

PRESENTATIONS            

  1. Marin Flores, O.; Ha, S.  Study of the Activity of Mo-Oxide Catalysts for the Reforming of Hydrocarbons.  Podium presentation at AIChE Annual Meeting, Philadelphia, Pennsylvania (2008).
  2. Lin, S.; Daimon, H.; Ha, S.  Supported cobalt catalysts for ethanol steam reforming by impregnation and coprecipitation methods. Podium presentation at AIChE Annual Meeting, Philadelphia, Pennsylvania (2008).
  3. Fischback, M.; Kim, J.; Ha, S. New Possibility: Biofuel Cells with Stabilized Enzyme Activity. Podium presentation at AIChE Annual Meeting, Philadelphia, Pennsylvania (2008).
  4. Lin, S.; Kim, D.; Ha, S. Hydrogen Production From Ethanol Steam Reforming Over Supported Cobalt Catalysts.  Poster presentation at 14th International Congress on Catalysis, Seoul, South Korea (2008).
  5. Fischback, M.; Kim, J.; Ha, S. Miniature Biofuel Cells Based On Nanobiocatalysis. Podium presentation at US-Korea Conference on Science, Technology and Entrepreneurship, San Diego, California (2008).
  6. Chen, Y.; Ha, S.; Kim, S.  Preparation of a New Proton Conducting Silicon Membrane for Minature Fuel Cells.  Poster presentation at 7th International Symposium on New Materials and Nano-Materials for Electrochemical System, Montréal, Canada (2008).
  7. Marin Flores, O.; Ha, S.  Stability of molybdenum dioxide as catalyst for isooctane steam reforming.  Podium presentation at 235th ACS National Meeting, New Orleans, Louisiana (2008).
  8. Lin, S.; Kim, D.; Ha, S.  Hydrogen Production from Ethanol Steam Reforming on Supported Cobalt Catalysts:  Effect of Support and Pre-reduction treatment. Podium presentation at 235th ACS National Meeting, New Orleans, Louisiana (2008).
  9. Marin Flores, O.; Ha, S.  Activity and Stability of Molybdenum Carbide for Isooctane Steam Reforming.  Podium presentation at AIChE Annual Meeting, Salt Lake City, Utah (2007).
  10. Lin, S.; Kim, D.; Ha, S.  Hydrogen Production from Ethanol Steam Reforming Over Supported Cobalt Catalysts.  Podium presentation at AIChE Annual Meeting, Salt Lake City, Utah (2007).
  11. Smith, M.; Ha, S.  Electro-oxidation Rate Dependence on Formate Concentration in Formic Acid Fuel Cell.  Poster presentation at AIChE Annual Meeting, Salt Lake City, Utah (2007).
  12. Marin Flores, O.; Ha, S.  Activity and Stability of Molybdenum Carbide for Isooctane Steam Reforming.  Podium presentation at 234th ACS National Meeting, Boston, Massachusetts (2007).
  13. Jung, W.; Ha, S.  Impedance Electrochemical Spectroscopic Study of Direct Formic Acid Fuel Cells.  Podium presentation at 234th ACS National Meeting, Boston, Massachusetts (2007).
  14. Marin Flores, O.; Ha, S.  Molybdenum Carbide-Based Catalysts for Gasoline Steam Reforming.  Poster presentation at AIChE Annual Meeting, San Francisco, California (2006).
  15. Lin, S.; Ha, S.  Steam Reforming of Methanol Using Supported Molybdenum Carbide Catalysts.  Poster presentation at AIChE Annual Meeting, San Francisco, California (2006).
  16. Lin, S.; Marin Flores, O.; Ha, S.  Performance Characterization of Supported Palladium Catalysts for Direct Formic Acid Fuel Cells.  Podium presentation at AIChE Annual Meeting, San Francisco, California (2006).
  17. LFischback, M.; Youn, J.; Zhao, X.; Wang, P.; Kim, J.; Ha, S.  Enzymatic Biofuel Cell Optimization and Anode Characterization.  Podium presentation at AIChE Annual Meeting, San Francisco, California (2006).
  18. Hagensen, T.; Ha, S.  Molybdenum Carbide Supported on ZrO2 for Steam Reforming of Methanol.  Poster presentation at AIChE Annual Meeting, San Francisco, California (2006).
  19. Ha, S.; Dunbar, Z.; Masel, R. I.  Magnetic Resonance Imaging Microscopy of Operating Direct Formic Acid Fuel Cell.  Podium presentation at ACS National Meeting, Washington D.C. (2005).
  20. Ha, S.; Larsen, R; Masel, R. I.  Present Status of Formic Acid Fuel Cells.  Podium presentation at AIChE Annual Meeting, Cincinnati, Ohio (2005).  
  21. Ha, S.; Dunbar, Z.; Masel, R. I.  High Performing Air Breathing Passive Direct Formic Acid Fuel Cell.  Podium presentation at AIChE Annual Meeting, Cincinnati, Ohio (2005).  
  22. Ha, S.; Dunbar, Z.; Masel, R. I.  Magnetic Resonance Imaging Microscopy of Operating Direct Formic Acid Fuel Cell.  Podium presentation at AIChE Annual Meeting, Cincinnati, Ohio (2005).  
  23. Ha, S.; Adams, B.; Zhu, Y.; Larsen, R.; Masel, R. High Power Density Passive Air Breathing Direct Formic Acid Fuel Cells.  Podium presentation at AIChE Annual Meeting, Austin, Texas (2004).  
  24. Ha, S.; Larsen, R.; Zhu, Y.; Masel, R.  Direct Formic Acid Fuel Cells: Testing of a New Anode Catalyst.  Podium presentation at AIChE Annual Meeting, Austin, Texas (2004).  
  25. Masel, R.; Ha, S.; Adams, B.; Zhu, Y.; Larsen, R.  Formic Acid Fuel Cells: New Possibilities For Portable Power.  Podium presentation at AIChE Annual Meeting, Austin, Texas (2004).  
  26. Larsen, R.; Ha, S.; Zhu, Y.; Zakzeski, J.; Masel, R.  Fuel cell catalysts with superior activity for formic acid oxidation.  Podium presentation at AIChE Annual Meeting, Austin, Texas (2004).  
  27. Masel, R.; Zhu, Y.; Ha, S.; Adams, B.; Wieckowski, A.; Shannon, M.; Larsen, R.  Formic Acid Fuel Cells: New Possibilities For Portable Power.  Podium Presentation at the 206th Meeting of the Electrochemical Society, Symposium on Battery and Energy Technology, Honolulu, Hawaii (2004).  
  28. Ha, S.; Adams, B.; Masel, R.  A Miniature Air Breathing Direct Formic Acid Fuel Cell.  Podium presentation at the 205th Meeting of the Electrochemical Society, Symposium on Micro-Fuel Cell Systems, San Antonio, Texas (2004).
  29. Ha, S.; Torres, S.; Adams, B.; Masel, R.  Pumpless Air Breathing Miniature Direct Formic Acid Fuel Cells For Micro Power Generation.  Podium presentation at AIChE Annual Meeting, San Francisco, California (2003).
  30. Ha, S.; Rhee, Y.; Torres, S.; Masel, R.  Crossover of Formic Acid Through Nafion® Membrane for the Direct Formic Acid Fuel Cell.  Podium presentation at AIChE Annual Meeting, San Francisco, Califonia (2003).
  31. Ha, S.; Masel, R.  In-Situ Measurements of the Anode and Cathode Potentials in an Operating Formic Acid Fuel Cell.  Podium presentation at AIChE Annual Meeting, San Francisco, Califonia (2003).
  32. Masel, R.; Ha, S.; Zhu, Y.; Rice, C.; Adams, B.; Wieckowski, A.; Shannon, M.  Direct Fomric Acid Fuel Cells: Micropower in a simple Device.  Podium presentation at AIChE Annual Meeting, San Francisco, Califonia (2003).
  33. Rice, C.; Ha, S.; Masel, R.; Waszczuk, P.; Barnard, T.; Wieckowski, A.  Characteristics of Small Formic Acid Fuel Cells.  Podium presentation at the 201st Meeting of the Electrochemical Society, Symposium on Battery and Energy Technology, Philadelphia, Pannsylvania, (2002).
  34. Ha, S.; Rice, C; Masel, R.  Methanol Conditioning for Improved Performance of Direct Formic Acid Fuel Cells.  Podium presentation at AIChE Annual Meeting, Indianapolis, Indiana (2002).
  35. Rice, C.; Ha, S.; Zhao, M.; Masel, R. I.; Barnard, T.; Waszczuk, P.; Wieckowski, A.  Enhanced Fuel Cell Performance from Direct Electrooxidation of Liquid Fuel.  Podium presentation at AIChE Annual Meeting, Indianapolis, Indiana (2002).
  36. Rice, C.; Ha, S.; Zhao, M.; Masel, R. I.; Barnard, T.; Waszczuk, P.; Wieckowski, A.  Catalysts for Direct Formic Acid Fuel Cells.   Podium presentation at AIChE Annual Meeting, Indianapolis, Indiana (2002).

 

INVITED PRESENTATIONS         

  1. Ha, S. New Possibility for Small Portable Fuel Cells.  Presented at Samsung Advanced Institute of Technology, Suwon, South Korea (2008).
  2. Ha, S. Present Status of Formic Acid Fuel Cell Technology.  Presented at Pacific Northwest National Laboratory (PNNL), Richland, Washington (2008).
  3. Fischback, M.; Youn, J.; Zhao, X.; Wang, P.; Kim, J.; Ha, S.  Catalysis for Alternative Energy:  From Supported Transition Metals to Nanobiocatalysis.  Presented at Mechanical Engineering Departmental Seminar, WSU, Pullman, Washington (2007).
  4. Fischback, M.; Youn, J.; Zhao, X.; Wang, P.; Kim, J.; Ha, S.  Miniature Biofuel Cells based on Nanobiocatalysis.  Presented at The 1st Northwest Regional Conference for Korean-American Scientists and Engineer Association (KSEA), Portland, Oregon (2007).  
  5. Ha, S.; Lin, S.; Marin Flores, O.  Stability and Activity of Formic Acid Fuel Cells.  Presented at Korean Institute of Science and Technology, Seoul, South Korea (2006).
  6. Ha, S.  The Role of Nanotechnology for Our Energy Challenge.  Presented at The Energy Retreat, Pullman, Washington (2006).
  7. Ha, S.  New Possibilities for Alternative Portable Power Sources.  Presented at Korean-American Scientists and Engineer Association (KSEA) Annual Meeting, Pullman, Washington (2006).
  8. Ha, S.; Larsen, R.; Zhu, Y.; Zakzeski, J.; Masel, R.  Formic Acid Fuel Cells: New Possibilities for Portable Power.  Presented at Agriculture and Biological Engineering Departmental Seminar, UIUC, Urbana, Illinois (2005).
  9. Ha, S.; Larsen, R.; Zhu, Y.; Zakzeski, J.; Masel, R.; Adams, B.; Shannon, M.; Wieckowski, A.  Formic Acid Fuel Cells: New Possibilities for Portable Power.  Presented at Agricultural Equipment Technology Conference, Louisville, Kentucky (2005).   
  10. Ha, S.; Rice, C.; Lu, C.; Adams, B.; Masel, R.; Kenis, P.; Shannon, M.; Wieckowski, A.; Rhee, Y.  Formic Acid Fuel Cells for Micro Power Generation.  Presented at Samsung Advanced Institute of Technology, Suwon, South Korea (2002).
  11. Ha, S.; Rice, C.; Lu, C.; Adams, B.; Masel, R.; Kenis, P.; Shannon, M.; Wieckowski, A.; Rhee, Y.  Formic Acid Fuel Cells for Micro Power Generation.  Presented at Korea Institute of Science and Technology, Seoul, South Korea (2002).