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Oleg Velikokhatnyi

Assistant Professor
Bioengineering Department

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Ph.D., Solid State Physics, Institute of Strength Physics and Materials Science of Russian Academy of Sciences, 1994 - 1994

M.S., Solid State Physics, Tomsk State University, 1985

Ghadge, S.D., Velikokhatnyi, O.I., Datta, M.K., Shanthi, P.M., & Kumta, P.N. (2021). Computational and experimental investigation of Co and S-doped Ni2P as an efficient electrocatalyst for acid mediated proton exchange membrane hydrogen evolution reaction. CATALYSIS SCIENCE & TECHNOLOGY, 11(3), 861-873.Royal Society of Chemistry (RSC). doi: 10.1039/d0cy01862g.

Ghadge, S.D., Datta, M.K., Velikokhatnyi, O.I., Kuruba, R., Shanthi, P.M., & Kumta, P.N. (2020). Influence of Defects on Activity-Stability of Cu1.5Mn1.5O4 for Acid-Mediated Oxygen Evolution Reaction. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 167(14), 144511.The Electrochemical Society. doi: 10.1149/1945-7111/abc4f5.

Ghadge, S.D., Velikokhatnyi, O.I., Datta, M.K., Shanthi, P.M., Tan, S., & Kumta, P.N. (2020). Computational and Experimental Study of Fluorine Doped (Mn1-xNbx)O-2 Nanorod Electrocatalysts for Acid-Mediated Oxygen Evolution Reaction. ACS APPLIED ENERGY MATERIALS, 3(1), 541-557.American Chemical Society (ACS). doi: 10.1021/acsaem.9b01796.

Shanthi, P.M., Kuruba, R., Velikokhatnyi, O.I., Hanumantha, P.J., Gattu, B., Datta, M.K., Ghadge, S.D., & Kumta, P.N. (2020). Theoretical and Experimental Strategies for New Heterostructures with Improved Stability for Rechargeable Lithium Sulfur Batteries. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 167(4), 040513.The Electrochemical Society. doi: 10.1149/1945-7111/ab7220.

Ghadge, S.D., Velikokhatnyi, O.I., Datta, M.K., Shanthi, P.M., Tan, S., Damodaran, K., & Kumta, P.N. (2019). Experimental and Theoretical Validation of High Efficiency and Robust Electrocatalytic Response of One-Dimensional (1D) (Mn,Ir)O-2:10F Nanorods for the Oxygen Evolution Reaction in PEM-Based Water Electrolysis. ACS CATALYSIS, 9(3), 2134-2157.American Chemical Society (ACS). doi: 10.1021/acscatal.8b02901.

Ghadge, S.D., Patel, P.P., Datta, M.K., Velikokhatnyi, O.I., Shanthi, P.M., & Kumta, P.N. (2018). First report of vertically aligned (Sn,Ir)O-2:F solid solution nanotubes: Highly efficient and robust oxygen evolution electrocatalysts for proton exchange membrane based water electrolysis. JOURNAL OF POWER SOURCES, 392, 139-149.Elsevier BV. doi: 10.1016/j.jpowsour.2018.04.065.

Patel, P.P., Velikokhatnyi, O.I., Ghadge, S.D., Hanumantha, P.J., Datta, M.K., Kuruba, R., Gattu, B., Shanthi, P.M., & Kumta, P.N. (2018). Electrochemically active and robust cobalt doped copper phosphosulfide electro-catalysts for hydrogen evolution reaction in electrolytic and photoelectrochemical water splitting. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 43(16), 7855-7871.Elsevier BV. doi: 10.1016/j.ijhydene.2018.02.147.

Velikokhatnyi, O.I., & Kumta, P.N. (2018). First principles study of the elastic properties of magnesium and iron based bio-resorbable alloys. MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 230, 20-23.Elsevier BV. doi: 10.1016/j.mseb.2017.12.024.

Ghadge, S.D., Patel, P.P., Datta, M.K., Velikokhatnyi, O.I., Kuruba, R., Shanthi, P.M., & Kumta, P.N. (2017). Fluorine substituted (Mn,Ir)O-2:F high performance solid solution oxygen evolution reaction electro-catalysts for PEM water electrolysis. RSC ADVANCES, 7(28), 17311-17324.Royal Society of Chemistry (RSC). doi: 10.1039/c6ra27354h.

Patel, P.P., Hanumantha, P.J., Datta, M.K., Velikokhatnyi, O.I., Hong, D., Poston, J.A., Manivannan, A., & Kumta, P.N. (2017). Cobalt based nanostructured alloys: Versatile high performance robust hydrogen evolution reaction electro-catalysts for electrolytic and photo-electrochemical water splitting. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(27), 17049-17062.Elsevier BV. doi: 10.1016/j.ijhydene.2017.05.175.

Patel, P.P., Velikokhatnyi, O.I., Ghadge, S.D., Jampani, P.H., Datta, M.K., Hong, D., Poston, J.A., Manivannan, A., & Kumta, P.N. (2017). Highly active robust oxide solid solution electro-catalysts for oxygen reduction reaction for proton exchange membrane fuel cell and direct methanol fuel cell cathodes. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 42(38), 24079-24089.Elsevier BV. doi: 10.1016/j.ijhydene.2017.07.139.

Hong, D., Chou, D.T., Velikokhatnyi, O.I., Roy, A., Lee, B., Swink, I., Issaev, I., Kuhn, H.A., & Kumta, P.N. (2016). Binder-jetting 3D printing and alloy development of new biodegradable Fe-Mn-Ca/Mg alloys. ACTA BIOMATERIALIA, 45, 375-386.Elsevier BV. doi: 10.1016/j.actbio.2016.08.032.

Kadakia, K.S., Jampani, P.H., Velikokhatnyi, O.I., Datta, M.K., Patel, P., Chung, S.J., Park, S.K., Poston, J.A., Manivannan, A., & Kumta, P.N. (2016). Study of fluorine doped (Nb,Ir)O-2 solid solution electro-catalyst powders for proton exchange membrane based oxygen evolution reaction. MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 212, 101-108.Elsevier BV. doi: 10.1016/j.mseb.2016.06.015.

Patel, P.P., Datta, M.K., Velikokhatnyi, O.I., Kuruba, R., Damodaran, K., Jampani, P., Gattu, B., Shanthi, P.M., Damle, S.S., & Kumta, P.N. (2016). Noble metal-free bifunctional oxygen evolution and oxygen reduction acidic media electrocatalysts. SCIENTIFIC REPORTS, 6(1), 28367.Springer Science and Business Media LLC. doi: 10.1038/srep28367.

Patel, P.P., Hanumantha, P.J., Velikokhatnyi, O.I., Datta, M.K., Gattu, B., Poston, J.A., Manivannan, A., & Kumta, P.N. (2016). Vertically aligned nitrogen doped (Sn,Nb)O-2 nanotubes - Robust photoanodes for hydrogen generation by photoelectrochemical water splitting. MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 208, 1-14.Elsevier BV. doi: 10.1016/j.mseb.2016.02.001.

Jampani, P.H., Velikokhatnyi, O., Kadakia, K., Hong, D.H., Damle, S.S., Poston, J.A., Manivannan, A., & Kumta, P.N. (2015). High energy density titanium doped-vanadium oxide-vertically aligned CNT composite electrodes for supercapacitor applications. JOURNAL OF MATERIALS CHEMISTRY A, 3(16), 8413-8432.Royal Society of Chemistry (RSC). doi: 10.1039/c4ta06777k.

Patel, P.P., Datta, M.K., Velikokhatnyi, O.I., Jampani, P., Hong, D., Poston, J.A., Manivannand, A., & Kumta, P.N. (2015). Nanostructured robust cobalt metal alloy based anode electro-catalysts exhibiting remarkably high performance and durability for proton exchange membrane fuel cells. JOURNAL OF MATERIALS CHEMISTRY A, 3(26), 14015-14032.Royal Society of Chemistry (RSC). doi: 10.1039/c5ta01362c.

Patel, P.P., Hanumantha, P.J., Velikokhatnyi, O.I., Datta, M.K., Hong, D., Gattu, B., Poston, J.A., Manivannan, A., & Kumta, P.N. (2015). Nitrogen and cobalt co-doped zinc oxide nanowires - Viable photoanodes for hydrogen generation via photoelectrochemical water splitting. JOURNAL OF POWER SOURCES, 299, 11-24.Elsevier BV. doi: 10.1016/j.jpowsour.2015.08.027.

Patel, P.P., Jampani, P.H., Datta, M.K., Velikokhatnyi, O.I., Hong, D., Poston, J.A., Manivannan, A., & Kumta, P.N. (2015). WO3 based solid solution oxide - promising proton exchange membrane fuel cell anode electro-catalyst. JOURNAL OF MATERIALS CHEMISTRY A, 3(35), 18296-18309.Royal Society of Chemistry (RSC). doi: 10.1039/c5ta03792a.

Hanumantha, P.J., Gattu, B., Velikokhatnyi, O., Datta, M.K., Damle, S.S., & Kumta, P.N. (2014). Heterostructures for Improved Stability of Lithium Sulfur Batteries. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 161(6), A1173-A1180.The Electrochemical Society. doi: 10.1149/2.107406jes.

Kadakia, K., Datta, M.K., Velikokhatnyi, O., Jampani, P., Park, S.K., Chung, S.J., & Kumta, P.N. (2014). High performance fluorine doped (Sn,Ru)O2 oxygen evolution reaction electro-catalysts for proton exchange membrane based water electrolysis. J. Power Sources, 245(2014), 362-370.

Kadakia, K., Datta, M.K., Velikokhatnyi, O.I., Jampani, P., Park, S.K., Chung, S.J., & Kumta, P.N. (2014). High performance fluorine doped (Sn,Ru)O-2 oxygen evolution reaction electro-catalysts for proton exchange membrane based water electrolysis. JOURNAL OF POWER SOURCES, 245(2013), 362-370.Elsevier BV. doi: 10.1016/j.jpowsour.2013.06.099.

Kadakia, K., Datta, M.K., Velikokhatnyi, O.I., Jampani, P.H., & Kumta, P.N. (2014). Fluorine doped (Ir,Sn,Nb)O-2 anode electro-catalyst for oxygen evolution via PEM based water electrolysis. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 39(2), 664-674.Elsevier BV. doi: 10.1016/j.ijhydene.2013.10.123.

Kadakia, K.S., Datta, M.K., Velikokhatnyi, O.I., Hanumantha, P.J., Park, S.K., Chung, S.J., Hong, D.H., Poston, J.A., Manivanan, A., & Kumta, P.N. (2014). A Complexed Sol-Gel (CSG) Approach to High Surface Area (HSA) Durable Ultra Active Platinum-Ruthenium Electro-Catalysts for Direct Methanol Fuel Cells. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 161(10), F1053-F1060.The Electrochemical Society. doi: 10.1149/2.0711410jes.

Kadakia, K.S., Jampani, P., Velikokhatnyi, O.I., Daita, M.K., Chung, S.J., Poston, J.A., Manivannan, A., & Kumta, P.N. (2014). Nanostructured (Ir,Sn)O-2:F - Oxygen Evolution Reaction Anode Electro-Catalyst Powders for PEM Based Water Electrolysis. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 161(9), F868-F875.The Electrochemical Society. doi: 10.1149/2.0381409jes.

Kadakia, K.S., Jampani, P.H., Velikokhatnyi, O.I., Datta, M.K., Park, S.K., Hong, D.H., Chung, S.J., & Kumta, P.N. (2014). Nanostructured F doped IrO2 electro-catalyst powders for PEM based water electrolysis. JOURNAL OF POWER SOURCES, 269, 855-865.Elsevier BV. doi: 10.1016/j.jpowsour.2014.07.045.

Saha, P., Datta, M.K., Velikokhatnyi, O.I., Manivannan, A., Alman, D., & Kumta, P.N. (2014). Rechargeable magnesium battery: Current status and key challenges for the future. PROGRESS IN MATERIALS SCIENCE, 66, 1-86.Elsevier BV. doi: 10.1016/j.pmatsci.2014.04.001.

Datta, M.K., Kadakia, K., Velikokhatnyi, O.I., Jampani, P.H., Chung, S.J., Poston, J.A., Manivannan, A., & Kumta, P.N. (2013). High performance robust F-doped tin oxide based oxygen evolution electro-catalysts for PEM based water electrolysis. JOURNAL OF MATERIALS CHEMISTRY A, 1(12), 4026-4037.Royal Society of Chemistry (RSC). doi: 10.1039/c3ta01458d.

Velikokhatnyi, O., Kadakia, K., Datta, M.K., & Kumta, P.N. (2013). High performance robust F-doped tin oxide based oxygen evolution electro-catalysts for PEM based water electrolysis. J. Phys. Chem. C, 117(40), 20542-20547.

Velikokhatnyi, O.I., Kadakia, K., Datta, M.K., & Kumta, P.N. (2013). Fluorine-Doped IrO2: A Potential Electrocatalyst for Water Electrolysis. JOURNAL OF PHYSICAL CHEMISTRY C, 117(40), 20542-20547.American Chemical Society (ACS). doi: 10.1021/jp308947h.

Kadakia, K., Datta, M.K., Velikokhatnyi, O., & Kumta, P.N. (2012). Electrochemical performance of uO2SnO2:F anode electrocatalysts for water electrolysis. International Journal of Hydrogen Energy, 37, 3001-3013.

Kadakia, K., Datta, M.K., Velikokhatnyi, O.I., Jampani, P., Park, S.K., Saha, P., Poston, J.A., Manivannan, A., & Kumta, P.N. (2012). Novel (Ir,Sn,Nb)O-2 anode electrocatalysts with reduced noble metal content for PEM based water electrolysis. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 37(4), 3001-3013.Elsevier BV. doi: 10.1016/j.ijhydene.2011.11.055.

Velikokhatnyi, O., Kadakia, K., Park, S.K., & Kumta, P.N. (2012). Theoretical Study of Magnesium and Zinc Tantalates and Niobates as Prospective Catalyst Supports for Water Electrolysis Fuel Cells, Electrolyzers, and Energy Conversion. J. Electrochem. Soc., 159(10), F607-F616.

Velikokhatnyi, O.I., & Kumta, P.N. (2012). Exploring calcium tantalates and niobates as prospective catalyst supports for water electrolysis. JOURNAL OF POWER SOURCES, 202, 190-199.Elsevier BV. doi: 10.1016/j.jpowsour.2011.11.022.

Velikokhatnyi, O.I., Kadakia, K., Park, S.K., & Kumta, P.N. (2012). Theoretical Study of Magnesium and Zinc Tantalates and Niobates as Prospective Catalyst Supports for Water Electrolysis. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 159(10), F607-F616.The Electrochemical Society. doi: 10.1149/2.007210jes.

Velikokhatnyi, O.I., & Kumta, P.N. (2011). Ab-initio study of fluorine-doped tin dioxide: A prospective catalyst support for water electrolysis. PHYSICA B-CONDENSED MATTER, 406(3), 471-477.Elsevier BV. doi: 10.1016/j.physb.2010.11.015.

Wu, K., Dogan, O.N., Velikokhatnyi, O.I., & Kumta, P.N. (2011). A CALPHAD study on the thermodynamic stability of calcium-, zinc-, and yttrium-doped magnesium in aqueous environments. MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, 176(20), 1727-1732.Elsevier BV. doi: 10.1016/j.mseb.2011.04.016.

Landa, A., Soederlind, P., Velikokhatnyi, O.I., Naumov, I.I., Ruban, A.V., Peil, O.E., & Vitos, L. (2010). Alloying-driven phase stability in group-VB transition metals under compression. PHYSICAL REVIEW B, 82(14).American Physical Society (APS). doi: 10.1103/PhysRevB.82.144114.

Velikokhatnyi, O.I., & Kumta, P.N. (2010). First-principles studies on alloying and simplified thermodynamic aqueous chemical stability of calcium-, zinc-, aluminum-, yttrium- and iron-doped magnesium alloys. ACTA BIOMATERIALIA, 6(5), 1698-1704.Elsevier BV. doi: 10.1016/j.actbio.2009.08.016.

Velikokhatnyi, O.I., & Kumta, P.N. (2007). Energetics of the lithium-magnesium imide-magnesium amide and lithium hydride reaction for hydrogen storage: An ab initio study. MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 140(1-2), 114-122.Elsevier BV. doi: 10.1016/j.mseb.2007.04.010.

Landa, A., Klepeis, J., Soderlind, P., Naumov, I., Velikokhatnyi, O., Vitos, L., & Ruban, A. (2006). Fermi surface nesting and pre-martensitic softening in V and Nb at high pressures. JOURNAL OF PHYSICS-CONDENSED MATTER, 18(22), 5079-5085.IOP Publishing. doi: 10.1088/0953-8984/18/22/008.

Landa, A., Klepeis, J., Soederlind, P., Naumov, I., Velikokhatnyi, O., Vitos, L., & Ruban, A. (2006). Ab initio calculations of elastic constants of the bcc V-Nb system at high pressures. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 67(9-10), 2056-2064.Elsevier BV. doi: 10.1016/j.jpcs.2006.05.027.

Velikokhatnyi, O.I., Choi, D., & Kumta, P.N. (2006). Effect of boron on the stability of monoclinic NaMnO2: Theoretical and experimental studies. MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 128(1-3), 115-124.Elsevier BV. doi: 10.1016/j.mseb.2005.11.025.

Maranchi, J.P., Velikokhatnyi, O.I., Datta, M.K., Kim, I.S., & Kumta, P.N. (2005). Ceramic materials for lithium-ion battery applications. In Chemical Processing of Ceramics, Second Edition. (pp. 667-712).

Chang, C.C., Velikokhatnyi, O.I., & Kumta, P.N. (2004). Effect of magnesium substitution in lithium nickel oxide - An ab initio study. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 151(12), J91-J94.The Electrochemical Society. doi: 10.1149/1.1809584.

Velikokhatnyi, O.I., Chang, C.C., & Kumta, P.N. (2004). Ab initio calculations and structural stability of boron-doped sodium manganese oxide. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 151(1), J8-J13.The Electrochemical Society. doi: 10.1149/1.1633766.

Velikokhatnyi, O.I., Eremeev, S.V., Naumov, I.I., & Potekaev, A.I. (2004). On the nature of different temperature dependences of the size of antiphase domains in commensurate long-period structures. Journal of Experimental and Theoretical Physics, 98(3), 565-571.Pleiades Publishing Ltd. doi: 10.1134/1.1705709.

Velikokhatnyi, O.I., Chang, C.C., & Kumta, P.N. (2003). Phase stability and electronic structure of NaMnO2. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 150(9), A1262-A1266.The Electrochemical Society. doi: 10.1149/1.1600464.

Velikokhatnyi, O.I., Eremeev, S.V., Naumov, I.I., & Potekaev, A.I. (2002). Al3Ti alloy: long-period states and electronic structure. Journal of Physics: Condensed Matter, 14(38), 8763-8769.IOP Publishing. doi: 10.1088/0953-8984/14/38/301.

Velikokhatnyi, O.I., Eremeev, S.V., Naumov, I.I., & Potekaev, A.I. (2002). Al3Ti alloy: Long-period states and electronic structure. Russian Physics Journal, 45(10), 927-932.Springer Science and Business Media LLC. doi: 10.1023/a:1022894312719.

Velikokhatnii, O.I., Eremeev, S.V., Naumov, I.I., & Potekaev, A.I. (2001). Long-period structures in noble-metal alloys: New aspects. Russian Physics Journal, 44(2), 131-144.Springer Science and Business Media LLC. doi: 10.1023/a:1011313701802.

Velikokhatnyi, O.I., Eremeev, S.V., Naumov, I.I., & Potekaev, A.I. (2000). Electronic structure and long-period states in Ag3Mg: comparison with Cu-Au alloys. Journal of Physics: Condensed Matter, 12(41), 8825-8830.IOP Publishing. doi: 10.1088/0953-8984/12/41/308.

Velikokhatnyi, O.I., Eremeev, S.V., Naumov, I.I., & Potekaev, A.I. (2000). Electronic structure and character of long-period superstructures in precious-metal alloys. Computational Materials Science, 19(1-4), 275-284.Elsevier BV. doi: 10.1016/s0927-0256(00)00164-6.

Velikokhatnyi, O.I., Eremeev, S.V., Naumov, I.I., & Potekaev, A.I. (2000). Long-period incommensurate superstructures in Cu-Au alloys: Relation with short-period ordering. Journal of Experimental and Theoretical Physics, 90(3), 479-487.Pleiades Publishing Ltd. doi: 10.1134/1.559129.

Velikokhatnyi, O.I., & Naumov, I.I. (1999). Electronic structure and instability of Ni2MnGa. Physics of the Solid State, 41(4), 617-623.Pleiades Publishing Ltd. doi: 10.1134/1.1130837.

Velikokhatnyi, O.I., Naumov, I.I., Eremeev, S.V., & Potekaev, A.I. (1999). Two-dimensional incommensurate superlattices in precious-metals alloys: Nature of formation. Journal of Experimental and Theoretical Physics Letters, 69(8), 589-595.Pleiades Publishing Ltd. doi: 10.1134/1.567965.

Naumov, I.I., & Velikokhatniy, O.I. (1997). Simultaneous manifestations of the 2D van Hove singularity and the Fermi surface nesting in the acoustic soft phonon mode of alloys. Journal of Physics: Condensed Matter, 9(47), 10339-10351.IOP Publishing. doi: 10.1088/0953-8984/9/47/004.

Velikokhatnyi, O.I., Naumov, I.I., & Puchkarev, E.V. (1997). Electronic-topological transition and shear stability of the β alloys Ni-Al and TiNi. Physics of the Solid State, 39(6), 872-876.Pleiades Publishing Ltd. doi: 10.1134/1.1129994.

Ol'khovic, G.A., Naumov, I.I., & Velikokhatnyi, O.I. (1995). Band structure of cubic ZrO2containing oxygen vacancies and calcium ions. Journal of Physics: Condensed Matter, 7(7), 1273-1282.IOP Publishing. doi: 10.1088/0953-8984/7/7/008.

Ghadge, S., Patel, P.P., Datta, M.K., Velikokhatnyi, O., Jampani, P., & Kumta, P. (2016). Highly active robust F doped transition metal oxide based solid solution electro-catalyst for acidic medium oxygen evolution reaction in PEM based water electrolysis. In Nanomaterials for Applications in Energy and Biology 2016 - Topical Conference at the 2016 AIChE Annual Meeting, (pp. 66-68).

Ghadge, S., Patel, P.P., Datta, M.K., Velikokhatnyi, O., Jampani, P., & Kumta, P. (2016). Highly active robust F doped transition metal oxide based solid solution electro-catalyst for acidic medium oxygen evolution reaction in PEM based water electrolysis. In Materials Engineering and Sciences Division 2016 - Core Programming Area at the 2016 AIChE Annual Meeting, 2, (pp. 771-772).

Patel, P.P., Datta, M.K., Velikokhatnyi, O., Jampani, P., & Kumta, P.N. (2015). 427592 nanostructured robust cobalt alloy based anode electro-catalysts with superior electrochemical activity for proton exchange membrane fuel cells. In Nanomaterials for Energy Applications 2015 - Topical Conference at the 2015 AIChE Annual Meeting, (pp. 120-121).

Patel, P.P., Datta, M.K., Velikokhatnyi, O., Jampani, P., & Kumta, P.N. (2015). Nanostructured robust cobalt alloy based anode electro-catalysts with superior electrochemical activity for proton exchange membrane fuel cells. In Nanoscale Science and Engineering Forum 2015 - Core Programming Area at the 2015 AIChE Annual Meeting, (pp. 263-265).

Patel, P.P., Datta, M.K., Velikokhatnyi, O., Jampani, P., & Kumta, P.N. (2015). Nanostructured robust cobalt alloy based anode electro-catalysts with superior electrochemical activity for proton exchange membrane fuel cells. In Materials Engineering and Sciences Division 2015 - Core Programming Area at the 2015 AIChE Annual Meeting, (pp. 542-544).

Velikokhatnyi, O., & Kumta, P. (2010). Ab Initio Study of Doped Tin Niobates and Tantalates as Prospective Catalyst Supports for Water Electrolysis. In ECS Transactions, 28(26), (pp. 37-48).The Electrochemical Society. doi: 10.1149/1.3501094.

Velikokhatnyi, O.I., & Kumta, P.N. (2009). Exploring tin tantalates and niobates as prospective catalyst supports for water electrolysis. 217th Electrochemical Society Spring Meeting.Vancouver, British Columbia. doi: 10.1016/j.physb.2009.02.018.

Velikokhatnyi, O.I., Chang, C.C., & Kumta, P.N. (2004). Ab-initio calculation of phase stability in NaMnO2. In Proceedings - Electrochemical Society, PV 2003-28, (pp. 183-191).

Naumov, I.I., & Velikokhatnyi, O.I. (2000). Electronic structure and phase transformations in Ni/sub 2/MnGa shape memory alloy. In Proceedings KORUS 2000. The 4th Korea-Russia International Symposium On Science and Technology, 3, (pp. 369-374).IEEE. doi: 10.1109/korus.2000.866116.

Research interests

Materials engineering (alternative...