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FULL-TIME FACULTY

	Jai Prakash Professor of Chemical Engineering Director, Center for Electrochemical Science and Engineering Room 106 Perlstein Hall Tel.: 312.567.3639 Fax: 312.567.8874 Email: prakash [at] iit.edu

� Education
M.S. from University of Delhi, India (Physical Chemistry, 1981) Ph.D. from University of Delhi, India (Physical Chemistry, 1985) Ph.D. from Case Western Reserve University (Electrochemistry, 1990)

� Research Interests
Materials Development Synthesis, chemical and electrochemical characterization of novel electrode materials for batteries and fuel cells. Understanding the mechanisms and structural by chemical, electrochemical, and spectroscopic techniques. Morphological characterization by BET area, particle-size distribution, porosimetry, X-ray diffraction, SIMS, SEM, EDS techniques. Batteries Rechargeable battery systems such as nickel-metal hydride, Li-ion, and Li-polymer. Diagnostic studies of rechargeable batteries AC impedance, area-specific impedance analysis, CV, pressure-heat measurements during cell cycling and correlation with calorimetric studies. Performance evaluation under constant current, dynamic stress tests (DST) and pulse discharge. Failure mechanisms using XRD, SEM, EDS, and electrochemical techniques. Supercapacitors Development of aqueous and nonaqueous electrochemical double layer and galvanic capacitors for high power applications. Electrochemical Kinetics Kinetics of oxygen reduction and generation on electrode surface by AC impedance, rotating disk and rotating ring disk methods.

� Selected Recent Publications
�Alternative current impedance electrochemical modeling of Li-ion positive electrodes�, D. Dees, E. Gunen, D. Abraham, A. Jansen, and J. Prakash, J. Electrochem. Soc., 152 (7) , A1409-A1417(2005). �Investigation of Methanol Oxidation on Polycrystalline Pt: Importance of Water-gas shift Reaction�, Niyazi Alper Tapan, Jai Prakash, Turkish J. Eng. Env. Sci., 29, 129-142 (2005). �Synthesis and Electrochemical Properties of Li[Ni 1/3Co 1/3Mn (1/3-x)Mg x]O 2-yF y via Coprecipitation�, G.-H. Kim, S.-T. Myung , H. J. Bang, Jai Prakash, and Y.-K. Sun, Electrochem. and Solid State Lett ., 7 (12), A477-A480 (2005). �Determination of methanol decomposition mechanism on polycrystalline platinum electrode�, Niyazi Alper Tapan Jai Prakash, Turkish J. Eng. Env. Sci., 29, 1-9 (2005). �Investigations of the Exothermic Reactions of Natural Graphite Anode for Li-ion Batteries�, H. Yang , H. Bang, K. Amine, and Jai Prakash, J. Electrochem. Soc., 152, A73-79(2005). �Flexible graphite as battery anode and current collector�, M. S. Yazici, D. Krassowski, J. Prakash, J. Power Sources, 141, 171-176(2005). �In-situ Studies of Li xMn 2O 4 and Li xAl 0.17Mn 1.83O 3.97S 0.03 Cathode by Isothermal Micro Calorimetery�, H. Bang, H. Yang, Y.K. Sun, and J. Prakash , J. Electrochem. Soc., 152, A421-428(2005). Investigation of Methanol Oxidation Electrokinetics on Pt Using the Asymmetric Electrode Technique, N. A. Tapan, W. E. Mustain, B. Gurau, G. Sand� and J. Prakash, Journal of New Materials for Electrochemical Systems, 7 (4), 281 (2004). �Phase Transitions in Li 1-?Ni 0.5Mn 1.5O 4 during cycling at 5 V�, J.-H. Kim, C. S. Yoon, S.-T. Myung, Jai Prakash, and Y.-K. Sun, Electrochem. Solid-State Lett ., 7, A216 (2004) . �Evaluation of Electrochemical Interface Area and Lithium Diffusion Coefficient for Composite Graphite Anode�, H. Yang, H. J. Bang, and J. Prakash, J. Electrochem. Soc.* , 151, A1247 (2004). �Electrodeposition of nano-structured nickel-21% Tungsten alloy and oxygen reaction�, M. Ma, V. S. Donepudi, G. Sandi, and J. Prakash, Electrochimica Acta, 49, 4411 (2004). �A Novel layered Li[Li 0.12Ni zMg 0.32-zMn 0.56]O 2 Cathode Material for Lithium-ion Batteries�, Chang Woo Lee, Yang-Kook Sun, and Jai Prakash, Electrochimica Acta, 49, 4425 (2004). �Determination of the Reversible and Irreversible Heats of a LiNi 0.8Co 0.15Al 0.05O 2/Natural Graphite Cell using Electrochemical-Calorimetric Technique�, Hui Yang and Jai Prakash, J. Electrochem. Soc., 151, A1222 (2004). �Effect of Li-Doping on Electrochemical Performance of Natural Graphite Anode for Lithium Secondary Batteries�, Young-Tae Lee, Chong Seung Yoon, Jai Prakash, and Yang-Kook Sun, J. Electrochem. Soc., 151, A1728 (2004). "Electrochemical stability and conductivity enhancement of composite polymer electrolytes," C.-H. Park, D.-W. Kim, Y.-K. Sun, J. Prakash, Solid State Ionics , 1-9, 8886 (2003). "Electrochemical stability and conductivity enhancement of composite polymer electrolytes," C.-H. Park, D.-W. Kim, Y.-K. Sun, J. Prakash, Solid State Ionics, 8886, 1-9 (2003). "In-situ measurements of heat generation in a Li/mesocarbon microbead half-cell," W. Lu and J. Prakash, J. Electrochem. Soc., 150, A262 (2003). "The effect of ZnO coating on electrochemical cycling behavior of spinel LiMn2O4 cathode materials at elevated temperature, Y.-K. Sun., K.-J. Hong, and J. Prakash, J. Electrochem. Soc., 150, A970-972 (2003). "Determination of the hydrogen storage capacity of novel sepiolite-derived carbonaceous materials," G. Sandi, H. Yang, H. Joachin, K.A. Carrado, R.E. Winans, and J. Prakash, Journal of New Materials for Electrochemical Systems, 6, 169-173 (2003). "Electrochemical performance of lithium ion batteries prepared with sepiolate-derived carbons and lithium transition metal oxide positive electrodes," G. Sandi, H. Joachin, H. Yang and J. Prakash,Journal of New Materials for Electrochemical Systems, 6, 175-179 (2003). "Polymer nanocomposites for lithium battery applications," G. Sandi, K.A. Carrado, H. Joachin, W. Lu, and J. Prakash, Journal of Power Sources, 119-121C, 492-496 (2003). "Comparison of the electrochemical performance of carbon-produced from sepiolite with different surface area characteristics," G. Sandi, J. Joachin, W. Lu, J. Prakash, and G. Tassara, Journal of New Materials for Electrochemicals Systems,6(2), 75-80 (2003). "Electrochemical performance of carbon materials derived from paper mill sludge," G. Sandi, N. Khalili, W. Lu, and J. Prakash, Journal of Power Sources, 119-121C, 34-38 (2003).

� Patents
"Electrochemical Cell," L. Redey, D. R. Vissers, and J. Prakash, U.S. Patent No. 5,283,135 (1994). "Electrochemical Cell, Bromine or Iodine Containing Additives Incorporated During Charging to Improve Cell Capacity or Power," L. Redey, D. R. Vissers, and J. Prakash, U.S. Patent No. 5,340,668 (1994). "Improved Sodium/Nickel Chloride Cells," L. Redey, D. R. Vissers, J. Prakash, and K. M. Myles, U.S. Patent No. 5,532,078 (1996). "High Power Sodium/Metal Chloride Batteries," L. Redey, D. R. Vissers, J. Prakash, and K. M. Myles, U.S. Patent No. 5,536,593 (1996). "A New Pseudo-Capacitor Device for Aqueous Electrolytes," J. Prakash, M. Thackeray, D. Dees, D. R. Vissers, and K. M. Myles, U.S. Patent No. 5,841,627 (1998). "Method and Device for Enhancing Smart Battery Performance," R. Hudson, S. Rahman, T. Thayer, J. Prakash, and N. Banes, U.S. Patent No. 6,023,151 (2000). "Nickel Metal Hydride Cells Designed for High Rate/Low Temperature Performance, U.S. Patent No. 6,287,724 (2001). "A Novel Flame-Retardant Additive for Li-ion Batteries," Jai Prakash and Chang-Woo Lee, U.S. Patent, No. 6,455,200 (2002).