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Group Leader:
Cathy Padró

Group Office:
Manuelita
...Martinez-Brito
Leorrie Atencio

Mailing Address:
P.O. Box 1663
Mailstop D429
Los Alamos, NM
87545

Locations:
TA 3 Bldg 40
TA 46 Bldgs 16&58

Internal Only

 

Eric Brosha analyzing data for his next manuscript  

Publications Archives

Dissemination of research results is a critical aspect of our activities. In fact, according to a survey by ISI, in the years spanning 1993 to 2003, LANL original research papers on fuel cells had the #1 citation statistics among all institutions in the world. The total fuel cell database has 3073 papers, 4502 authors, 54 countries, 380 journals, and 1180 institutions. Current and former MPA-11 researchers are among the top 20 authors in fuel cell citations: Shimshon Gottesfeld (#1), Mahlon Wilson (#3), Tom Springer (#5), and Tom Zawodzinski (#15).

Below is a partial list of our Group's peer-reviewed publications from 2000-2007.

2007.. ...2006. .. . 2005... ....2004

2003......2002.......2001........2000

2007

Rod Borup, Jeremy Meyers, Bryan Pivovar, Yu Seung Kim, Rangachary Mukundan, Nancy Garland, Deborah Myers, Mahlon Wilson, Fernando Garzon, David Wood, Piotr Zelenay, Karren More, Ken Stroh, Tom Zawodzinski, James Boncella, James E. McGrath, Minoru Inaba, Kenji Miyatake, Michio Hori, Kenichiro Ota, Zempachi Ogumi, Seizo Miyata, Atsushi Nishikata, Zyun Siroma, Yoshiharu Uchimoto, Kazuaki Yasuda, Ken-ichi Kimijima, and Norio Iwashita, "Scientific Aspects of Polymer Electrolyte Fuel Cell Durability and Degradation," Chemical Reviews, web published and 107, 10, 3904-3951 (2007).

C.E. Botez, J.D. Hermosillo, J. Zhang, J. Qian, Y. Zhao, J. Majzlan, R.R. Chianelli, C. Pantea,  “High-Temperature Phase Transitions in CsH2 PO 4 under Ambient and High-Pressure Conditions: A Synchrotron X-ray Diffraction Study,” J. Chem. Phys., vol. 127, (2007), pp. 194701-1-6

Eric L. Brosha, Rangachary Mukundan, Fernando Garzon, “Electrochemical-based Gas Sensors for the Detection of Explosives,” 212th meeting of the Electrochemical Society, October 7-12, 2007, Washington DC.

Crone, B.K.; Campbell, I.H.; Smith, D.L., “The role of isoelectronic dopants in organic light emitting diodes,” Proceedings of SPIE - The International Society for Optical Engineering (2007) Vol.6655.

Campbell, IH; Crone, BK, “Energy barriers from ferromagnetic contacts to semiconducting polymers,” APPLIED PHYSICS LETTERS (JUN 11 2007) Vol.90, iss.24 242107

Campbell, I.H. and B.K. Crone, "Bulk photoconductive gain in poly(phenylene vinylene) based diodes," J. Applied Physics, 101, 024502 (2007).

Campbell, I.H. and B.K. Crone, "Efficient plastic scintillators utilizing phosphorescent dopants," Applied Physics Letters, 90, 012117 (2007).

J.Chlistunoff and B.Pivovar, "Hydrogen Peroxide Generation at the Pt/Recast-Nafion Film Interface at Different Temperatures and Relative Humidities," ECS Trans. 11, (1) 1115 (2007).

B.R. Einsla, S. Chempath, L.R. Pratt, J.M. Boncella, J. Rau, C. Macomber and B.S. Pivovar, “Stability of Cations for Anion Exchange Membrane Fuel Cells”, ECS Transactions, 2007; v.11, no.1, p.1173-1180.

F. H. Garzon, Siew Hock Lau, John R. Davey, and Rod Borup, "Micro and Nano X-Ray Tomography of PEM Fuel Cell Membranes after Transient Operation," ECS Trans. 11, (1) 1139 (2007).

B. Kienitz, H. Baskaran, T. Zawodzinski, Jr., and B. Pivovar, “A Half Cell Model of Steady State PEM Fuel Cell Performance Degradation under Contamination by Foreign Cationic Species”, ECS Transactions, 2007; v.11, no.1, p.777-788.

Yu Seung Kim, Melinda Einsla, Marilyn Hawley, Bryan S. Pivovar, Hae-Seung Lee, Abhishek Roy, and James E. McGrath, “Multiblock Copolymers for Low Relative Humidity Fuel Cell Operation”, ECS Transactions, 2007; v.11, no.1, p.49-54.

Yu Seung Kim, B. S. Pivovar, "Polymer Electrolyte Membranes for Direct Methanol Fuel Cells," Chapter 4 in Advances in Fuel Cells (Ed. Tim S. Zhao), Elsevier, Oxford, 2007.

B. Liu, D. S. Kim, M. D. Guiver, Y. S. Kim, B. S. Pivovar, "Sulfonated Poly(aryl ether)-type Polymers as Proton Exchange Membranes: Synthesis and Performance," in Membranes for Energy Application, S. Nunes, K.-V. Peinemann, Eds. Wiley-VCH, 2007.

A. Migliori, I. Mihut, J.B. Betts, M. Ramos, C. Mielke, C. Pantea, D. Miller, “Temperature and time-dependence of the elastic moduli of Pu and Pu-Ga alloys,” J. Alloy. Compd., vol. 444-445, (2007), pp. 133-137.

A. Migliori, C. Pantea, H. Ledbetter, J. B. Betts , J. E. Mitchell, M. Ramos, F. Freibert, D. Dooley, S. Harrington, C. Mielke, “Alpha-plutonium’s polycrystalline elastic constants over its full temperature range,” J. Acoust. Soc. Am., vol. 122, no. 4, (2007), pp. 1994-2001.

Mikko S. Mikkola, Tommy Rockward, Francisco A. Uribe, and Bryan S. Pivovar, "The Effect of NaCl in Cathode Air Stream on PEMFC Performance," Fuel Cells  Fund. to Sys., 7, 153 (2007) available online

Rangachary Mukundan, John R. Davey, Tommy Rockward, Jacob S. Spendelow, Bryan S. Pivovar, Daniel S. Hussey, David L. Jacobson, Muhammad Arif, and Rodney L. Borup, “Imaging of Water Profiles in PEM Fuel Cells Using Neutron Radiography: Effect of Operating Conditions and GDL Composition”, ECS Transactions, 2007; v.11, no.1, p.403-413.

Rangachary Mukundan, Yu Seung Kim, Tommy Rockward , John R. Davey, Bryan S. Pivovar, Daniel S. Hussey, David L. Jacobson, Muhammad Arif, and Rodney L. Borup, “Performance of PEM Fuel Cells at Sub-Freezing Temperatures”, ECS Transactions, 2007; v.11, no.1, p.543-552.

Mukundan, R; Teranishi, K; Brosha, EL; Garzon, FH, "Nitrogen oxide sensors based on Yttria-stabilized zirconia electrolyte and oxide electrodes," Electrochemical and Solid-State Letters,10, 2, J26-9 (2007).

A.C. Niemeyer, I.H. Campbell, F. So and B.K. Crone, "High quantum efficiency polymer photoconductors using interdigitated electrodes," Applied Physics Letters, 91, 103504 (2007).

P. Piela, T. E. Springer, J. Davey, and P. Zelenay, "Direct Measurement of iR-Free Individual-Electrode Overpotentials in Polymer Electrolyte Fuel Cells," J. Phys. Chem. C, 111, 6512 (2007).

B. S. Pivovar, Yu Seung Kim, "The Membrane-Electrode Interface in Polymer Electrolyte Fuel Cells: I. A Novel Method for Quantifying Membrane-Electrode Interfacial Resistance," Journal of Electrochemical Society, 154, 8, B739 (2007).

Tommy  Rockward,  Idoia G. Urdampilleta, Francisco A. Uribe, Eric L. Brosha, Bryan S. Pivovar, and Fernando H. Garzon, “The Effects of Multiple Contaminants on Polymer Electrolyte Fuel Cells”, ECS Transactions, 2007; v.11, no.1, p.821-829.

M. Sankir, Yu Seung Kim, Bryan S. Pivovar and James E. McGrath, "Proton exchange membrane for DMFC and H2/air fuel cells: Synthesis and characterization of partially fluorinated disulfonated poly(arylene ether benzonitrile) copolymers," Journal of  Membrane Science, 299, 8 (2007).

Jacob S. Spendelow and Andrzej Wieckowski, "Electrocatalysis of oxygen reduction and small alcohol oxidation in alkaline media," Physical Chemistry Chemical Physics, 9, 2654 (2007).

Idoia G. Urdampilleta, Francisco A. Uribe, Tommy Rockward, Eric L. Brosha, Bryan S. Pivovar and Fernando H. Garzon, “PEMFC Poisoning with H2S: Dependence on Operating Conditions”, ECS Transactions, 2007; v.11, no.1, p.831-842.

Francisco A. Uribe, Fernando H. Garzon, Eric L. Brosha, Christina M. Johnston, Steven D. Conradson and Mahlon S. Wilson, "Spontaneous Deposition of Noble Metal Films Onto Hexaboride Surfaces,"  J. Electrochem. Soc. 154, 11 (2007).

Wang, J. X., Springer, T. E., Liu, P., Shao, M., and Adzic, R. R., "Hydrogen Oxidation Reaction on Pt in Acidic Media: Adsorption Isotherm and Activation Free Energies," J. Phys. Chem. C., 111 (33) 12425 (2007).

Xu, Hui; Borup, Rodney; Brosha, Eric; Garzon, Fernando; Pivovar, Bryan. “The effect of relative humidity on membrane degradation rates and mechanisms in proton exchange membrane fuel cells.” ECS Transactions (2007), 6(13), 51-62.

H. Xu, E. Brosha, F. Garzon, F. Uribe, M. Wilson, and B. Pivovar, “The Effect of Electrode Ink Processing and Composition on Catalyst Utilization”, ECS Transactions, 2007; v.11, no.1, p.383-391.

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2006

M.P. Brady, B. Yang, H. Wang, J.A. Turner et al., "The formation of protective nitride surfaces for PEM fuel cell metallic bipolar plates," Jom, 58 (8), 50 (2006).

Bashyam, R. and P. Zelenay, "A class of non-precious metal composite catalysts for fuel cells," Nature, 443, 63 (2006).

Borup, Rod L., Davey, John R., Garzon, Fernando H., Wood, David L., Welch, Paul M., and More, Karren, "PEM fuel cell durability with transportation transient operation," ECS Transactions, 3 (1), 879 (2006).

Rod L. Borup, John R. Davey, Fernando H. Garzon, David L Wood and Michael A. Inbody, "PEM fuel cell electrocatalyst durability measurements," Journal of Power Sources, 163, 1 , 76 (2006).

R. Borup, F. Garzon, D. Wood, J. Davey et al., "PEM Electrocatalyst Durability Measurements," ECS Meeting Abstracts, 503 (2), 185 (2006).

E.L. Brosha, M. Wilson, F. Garzon, C. Johnston et al., "Hexaboride Ceramics as PEMFC Electrode Catalysts Supports," ECS Transactions, 3 (1), 319 (2006).

E. Brosha, M. Wilson, F. Garzon, C. Johnston et al., "Hexaboride Ceramics as PEMFC Cathode Supports," ECS Meeting Abstracts, 602 (8), 465 (2006).

Campbell, I.H. and B.K. Crone, "Improving carrier injection in organic diodes by incorporating charge trapping molecules," Applied Physics Letters, 88, 172113 (2006).

Campbell, I.H. and B.K. Crone, "Characteristics of an organic light-emitting diode utilizing a phosphorescent, shallow hole trap," Applied Physics Letters, 89, 172108 (2006).

Campbell, I.H. and B.K. Crone, "Quantum-Dot/Organic Semiconductor Composites for Radiation Detection," Adv. Mater., 18, 77 (2006).

J.Chlistunoff, F.Uribe, B.Pivovar, "Oxygen Reduction at the Pt/Recast-Nafion® Film Interface.  Effect of the Polymer Equivalent Weight," ECS Transactions, 2, (8) 37 (2006).

J. Chlistunoff and J-P.Simonin, "Ionic Association of Hydroperoxide Anion HO2- in the Binding Mean Spherical Approximation. Spectroscopic Study of Hydrogen Peroxide in Concentrated Sodium Hydroxide Solutions," J.Phys.Chem. A, 110, 13868 (2006).

J. Chlistunoff, F. Uribe and B. Pivovar, "Oxygen Reduction at the Pt/Recast-Nafion Film Interface at Different Temperatures and Relative Humidities," ECS Transactions, 1, (6) 137 (2006).

Chang Gi Cho, Yu Seung Kim, Xiang Yu, Melinda Hill, James E. McGrath, "Synthesis and Characterization of Poly(arylene ether sulfone) Copolymers with Sulfonimide Side Groups for a Proton-Exchange Membrane," Journal of Polymer Science: Part A: Polymer Chemistry, 44, 20, 6007 (2006).

J.H. Choi, C.M. Johnston, P.K. Babu, A. Wieckowski, N. Alonso-Vante, and P. Zelenay, "Oxygen Reduction Electrocatalysis at Chalcogen-modified Ruthenium Cathodes," ECS Transactions, 3,(1) 171 (2006).

J. Davey, R. Borup, and F. Garzon, "PEM Electrode Durability Measurements," ECS Meeting Abstracts, 502 (33), 1184 (2006).

F.H. Garzon, J. Davey, and R. Borup, "Fuel Cell Catalyst Particle Size Growth Characterized by X-Ray Scattering Methods," ECS Transactions, 1 (8), 153 (2006).

F. Garzon, F.A. Uribe, T. Rockward, I.G. Urdampilleta et al., "The Impact of Hydrogen Fuel Contaminates on Long-Term PMFC Performance," ECS Transactions, 3 (1), 695 (2006).

F. Garzon, F. Uribe, T. Rockward, I. Urdampietta et al., "The Impact of Hydrogen Fuel Contaminates on Long-Term PEMFC Performance," ECS Meeting Abstracts, 602 (8), 590 (2006).

F. Garzon, R. Mukundan, and E. Brosha, "Thin Film Potentiometric Sensors For Gas Analysis," ECS Meeting Abstracts, 501 (46), 1781 (2006).

F. Garzon, J. Davey, and R. Borup, "Fuel Cell Catalyst Particle Size Growth Characterized by X-Ray Scattering Methods," ECS Meeting Abstracts, 502 (33), 1179 (2006).

M.L. Hill, Y.S. Kim, B.R. Einsla and James E. McGrath, "Zirconium Hydrogen Phosphate/disulfonated Poly(Arylene Ether Sulfone) Copolymer Composite Membranes for Proton Exchange Membrane Fuel Cells," Journal of Membrane Science, 283, 102 (2006).

Y.S. Kim, B. Einsla, M. Sankir, W. Harrison, B.S. Pivovar, "Structure-property-performance Relationships of Sulfonated Poly(Arylene Ether Sulfone)s as a Polymer Electrolyte for Fuel Cell Applications," Polymer, 47, 4026 (2006).

K.L. More, R. Borup, and K.S. Reeves, "Identifying Contributing Degradation Phenomena in PEM Fuel Cell Membrane Electrode Assemblies Via Electron Microscopy, ECS Transactions, 3, (1) 717 (2006).

R. Mukundan, E.L. Brosha, and F.H. Garzon, "Mixed Potential Sensors: From Understanding to Applications," ECS Transactions, 1 (7), 95 (2006).

R. Mukundan, E.L. Brosha, and F. Garzon, "Nitrogen Oxide Sensors For Automotive Applications," ECS Transactions, 3 (10), 195 (2006).

R. Mukundan, Y.S. Kim, F. H. Garzon, and B. Pivovar, "Freeze/Thaw Effects in PEM Fuel Cells," ECS Transactions, 1 (8), 403 (2006).

R. Mukundan, Y.S. Kim, F. Garzon, and B. Pivovar, "Freeze/Thaw Effects in PEM Fuel Cells," ECS Meeting Abstracts, 502 (33), 1208 (2006).

R. Mukundan, E. Brosha, and F. Garzon, "J.B. Wagner Award Address- Mixed Potential Sensors: From Understanding to Applications," ECS Meeting Abstracts, 502 (27), 1027 (2006).

P. Piela, R. Fields, and P. Zelenay, "Electrochemical Impedance Spectroscopy for Direct Methanol Fuel Cell Diagnostics," J. Electrochem. Soc, 153, A1902 (2006).

Bryan S. Pivovar, "An Overview of Electro-osmosis in Fuel Cell Polymer Electrolytes," Polymer, 47, 11, 4194 (2006).

Semelsberger, T. A.; Ott, K. C.; Borup, R. L.; Greene, H. L. "Generating Hydrogen-Rich Fuel-Cell Feeds From Dimethyl Ether (DME) Using Physical Mixtures of a Commercial Cu/Zn/Al2O3 Catalyst and Several Solid-Acid Catalysts," Applied Catalysis B: Environmental, 65 (3-4), 291 (2006).

Semelsberger, T. A.; Ott, K. C.; Borup, R. L.; Greene, H. L. "Generating Hydrogen-Rich Fuel-Cell Feeds From Dimethyl Ether (DME) Using Cu/Zn Supported on Various Solid-Acid Substrates," Applied Catalysis A: General, 309 (2), 210 (2006).

Ana Siu, Bryan Pivovar, Jackie Horsfall, Keith Lovell and Steven Holdcroft, "Dependence of Methanol Permeability on Morphology and Nature of Water in Graft Copolymers for Proton Exchange Membranes," Journal of Polymer Science B, 44, 16, 2240 (2006).

Wang, J. X.; Springer, T. E.; Adzic, R. R.; "Dual Pathway Kinetic Equation for the Hydrogen Oxidation Reaction on Pt Electrodes," J. Electrochem. Soc., 153, A1732 (2006).

D. Wood, J. Chlistunoff, E. Watkins, P. Atanassov, and R. Borup, "Elucidation of PEMFC Electrocatalyst-Layer Surface and Interfacial Phenomena via Neutron Reflectivity," Electrochemical Society Transactions, 3 (1), 1011 (2006).

D. Wood, J. Davey, P. Atanassov, and R. Borup, "PEMFC Component Characterization and Its Relationship to Mass-Transport Overpotentials during Long-Term Testing," Electrochemical Society Transactions, 3 (1), 753 (2006).

P. Zelenay, "Performance Durability of Direct Methanol Fuel Cells," in Durability and Reliability of Low-Temperature Fuel Cells Systems Editors: T. Jarvi, S. Cleghorn, H. Gasteiger; ECS Transactions, 1, (8) 483 (2006).

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2005

Borup, R. L.; Inbody, M. A.; Semelsberger, T. A.; Tafoya, J. I.; Guidry, D. R. "Fuel Composition Effects on Transportation Fuel Cell Reforming," Catalysis Today, 99, 263-270 (2005).

B.R. Einsla, Y.S. Kim, M.A. Hickner, Y.T. Hong, M.L. Hill, B.S. Pivovar, J.E. McGrath, "Sulfonated Napthalene Dianhydride Based Polyimide Copolymers for Proton-exchange-membrane Fuel Cells: II. Membrane Properties and Fuel Cell Performance," J. Memb. Sci., 255, 141 (2005).

G. Goddard and G. Kaduchak, "Ultrasonic particle concentration in a line driven cylindrical tube," Vir. J. Nano. Sci. Tech., 11 (23) (2005).

G. Goddard and G. Kaduchak, "Particle concentration in a line driven cylindrical tube," J. Acoust. Soc. Am, 110, 2132-2137 (2005).

C.E. Grégoire Padró and J.O. Keller, "Hydrogen Energy," Kirk-Othmer Encyclopedia of Chemical Technology, 2005.

W.L. Harrison, Y.S. Kim, M. Hickner, J.E. McGrath, "Poly(arylene ether sulfone) Copolymers from Sulfonated Monomers Building Blocks: Synthesis, Characterization and Performance­A Review," Fuel Cells, 5, 2, 201-212 (2005).

M. Hickner and B. Pivovar, "The Chemical and Structural Nature of Proton Exchange Membrane Fuel Cell Properties," Fuel Cells Fund. to Sys., 5, 213 (2005).

Greg Kaduchak, Chris Kwaitkowski, and Dipen N. Sinha, "Ultrasonic Aerosol Concentration and Positioning," book chapter, invited for submission to the McGraw Hill Yearbook of Science and Technology.

Ludwig Lipp, Shimshon Gottesfeld and Jerzy Chlistunoff, "Peroxide formation in a zero-gap chlor-alkali cell with an oxygen-depolarized cathode," Journal of Applied Electrochemistry, 35, 1015–1024 (2005).

A. Pivovar and B. Pivovar, "The Dynamic Behavior of Water within a Polymer Electrolyte Fuel Cell Membrane at Low Hydration Levels," J. Phys Chem. B., 2005, 109, 785.

B.S Pivovar, W.H. Smyrl and E.L. Cussler, "Nafion, Polystyrene Sulfonic Acid and Polybenzimidazole as Direct Methanol Fuel Cell Electrolytes," J. Electrochem. Soc., 152, 2005, A53-A60.

B. Rajesh, KR Thampi, JM Bonard, HJ Mathieu, N. Xanthopoulos, and B. Viswanathan, "Electronically conducting hybrid material as high performance catalyst support for electrocatalytic application," Journal of Power Sources, 141, 35-38 (2005).

Troy Semelsberger, "Steam Reforming of Dimethyl Ether for Generating Hydrogen-Rich Fuel-Cell Feeds," PhD Dissertation, Case Western Reserve University, August, 2005.

Semelsberger, T. A.; Borup, R. L. "Fuel Effects on Start-Up Energy and Efficiency for Automotive PEM Fuel Cell Systems," International Journal of Hydrogen Energy, 30, 425-435 (2005).

Troy A. Semelsberger, Kevin C. Ott, Rodney L. Borup and Howard L. Greene, "Role of acidity on the hydrolysis of dimethyl ether (DME) to methanol," Applied Catalysis B: Environmental, 61 (3-4), 281-287 (2005).

Troy A. Semelsberger and Rodney L. Borup, "Thermodynamic equilibrium calculations of dimethyl ether steam reforming and dimethyl ether hydrolysis," Journal of Power Sources, 152 (1-2), 87-96 (2005).

J. Xie, D.L. Wood, K.L. More, P. Atanassov, and R.L. Borup, "Microstructural Changes of Membrane Electrode Assemblies During PEFC Durability Testing at High Humidity Conditions," Journal of the Electrochemical Society, 152, A1011–A1020 (2005).

J. Xie, D.L. Wood, D.M. Wayne, T.A. Zawodzinski, P. Atanassov, and R.L. Borup, "Durability of PEFCs at High Humidity Conditions," Journal of the Electrochemical Society, 152, A104–A113 (2005).

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2004

Brady, M. P.; Weisbrod, K.; Paulauskas, I.; Buchanan, R. A.; More, K. L.; Wang, H.; Wilson, M.; Garzon, F.; Walker, L. R., "Preferential thermal nitridation to form pin-hole free Cr-nitrides to protect proton exchange membrane fuel cell metallic bipolar plates," Scripta Materialia, 50, (7), 1017-22 (2004).

Brosha, E. L.; Mukundan, R.; Brown, D. R.; Jia, Q. X.; Lujan, R.; Garzon, F. H., "Techniques for the thin film growth of L(sub 1-x)Sr(sub x)CrO(sub 3) for solid state ionic devices," Solid State Ionics, Diffusion & Reactions, 166, (3/4), 425-40 (2004).

B.K. Crone, and A. Dodabalapur in Printed Organic and Molecular Electronics, D.R. Gamota, P. Brazis, K. Kalyanasundaram, J. Zhang, Ed.s, Kluwer Academic Publishers, Jan 2004.

Garzon, F. H.; Mukundan, R.; Lujan, R.; Brosha, E. L., "Solid state ionic devices for combustion gas sensing," Solid State Ionics SO - Fourteenth International Conference on Solid State Ionics, 175, 487-490 (Nov 30 2004).

L. Gubler, N. Beck, SA Gursel, F. Hajbolouri, D. Kramer, A. Reiner, B. Steiger, GG Scherer, A. Wokaun, B. Rajesh, and KR Thampi, "Materials for polymer electrolyte fuel cells," CHIMIA, 58, 826-836 (2004).

Michael Hickner, Hossein Ghassemi, Yu Seung Kim, Brian Einsla, and James E. McGrath, "Alternative Polymer Systems for Proton Exchange Membranes (PEMs)," Chemical Reviews, 104, 4587-4612 (2004).

Yu Seung Kim, Michael Hickner, Limin Dong, Bryan Pivovar and James E. McGrath, "Sulfonated Poly(Arylene Ether Sulfone) Copolymer Proton Exchange Membranes: Composition and Morphology Effects on the Methanol Permeability," Journal of Membrane Science, 243, 317-326 (2004).

Yu Seung Kim , Mike Sumner, William Harrison, James E. McGrath, Bryan Pivovar, "Direct Methanol Fuel Cell Performance of Disulfonated Poly(Arylene Ether Benzonitrile) Copolymers," J. Electrochem. Soc., 151, 12, A2150 (2004).

Shulim Kogan, Greg Kaduchak, and Dipen N. Sinha, "Acoustic concentration of particles in piezoelectric tubes: Theoretical modeling of cavity shape and symmetry breaking", J. Acoustic Soc. Am., 116 (41), 1967-1974 (2004).

Mukundan, R.; Brosha, E. L.; Garzon, F. H., "A low temperature sensor for the detection of carbon monoxide in hydrogen," Solid State Ionics SO - Fourteenth International Conference on Solid State Ionic, 175, 497-501 (Nov 30 2004).

Mukundan, R.; Brosha, E. L.; Garzon, F. H., "Sulfur tolerant anodes for SOFCs," Electrochemical and Solid-State Letters, 7 (1), A5-7 (2004).

Mukundan, R.; Garzon, F., "Electrochemical sensors for energy and transportation," Electrochemical Society Interface, 13 (2), 30-35 (2004).

Piela, P.; Eickes, C.; Brosha, E.; Garzon, F.; Zelenay, P., "Ruthenium crossover in direct methanol fuel cell with Pt-Ru black anode," Journal of the Electrochemical Society, 151, (12), A2053-9 (2004).

B. Rajesh, KR Thampi, JM Bonard, HJ Mathieu, N. Xanthopoulos , and B. Viswanathan, "Nanostructured conducting polyaniline tubules as catalyst support for Pt particles for possible fuel cell applications," Electrochemical and Solid-State Letters, 7, A404-7 (2004).

B. Rajesh, KR Thampi, JM Bonard, AJ McEvoy, N. Xanthopoulos, HJ Mathieu, and B. Viswanathan, "Pt particles supported on conducting polymeric nanocones as electro-catalysts for methanol oxidation," Journal of Power Sources, 133, 155-161 (2004).

B. Rajesh, KR Thampi, JM Bonard, N. Xanthopoulos, HJ Mathieu, and B. Viswanathan, "Template synthesis of conducting polymeric nanocones of poly(3-methylthiophene)," Journal of Physical Chemistry B, 108, 10640-10644 (2004).

Semelsberger, T. A.; Brown, L. F.; Borup, R. L.; Inbody, M. A. "Equilibrium Products From Autothermal Processes for Generating Hydrogen-Rich Fuel-Cell Feeds," International Journal of Hydrogen Energy, 29, 1047-1064 (2004).

Uribe, F. A.; Valerio, J. A.; Garzon, F. H.; Zawodzinski, T. A., "PEMFC reconfigured anodes for enhancing CO tolerance with air bleed," Electrochemical and Solid-State Letters, 7 (10), A376-A379 (2004).

Xie, J.; Garzon, F.; Zawodzinski, T.; Smith, W., Ionomer segregation in composite MEAs and its effect on polymer electrolyte fuel cell performance. Journal of the Electrochemical Society, 151, (7), A1084-A1093 (2004).

P. Zelenay and P. Piela, "Researchers redefine the DMFC roadmap," The Fuel Cell Review, 1, 17-23 (2004).

P. Zelenay, P. Piela, C. Eickes, E. Brosha and F. Garzon, "Ruthenium Crossover in the Direct Methanol Fuel Cell with a Pt-Ru Anode," J. Electrochem. Soc., 151 A2053-A2059 (2004).

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2003

Adcock, P. A.; Brosha, E. L.; Garzon, F. H.; Uribe, F. A. "In Characterization of potential catalysts for carbon monoxide removal from reformate fuel for PEM fuel cells," Solid State Ionics - 2002. Symposium, 2-5 Dec. 2002, Boston, MA, USA, 2003; Knauth, P.; Tarascon, J.; Traversa, E.; Tuller, H., Eds. Warrendale, PA, USA: Mater. Res. Soc, 2003: 2003; pp p.365-70.

Yu Seung Kim, Limin Dong, Michael Hickner, Thomas E. Glass, and James E. McGrath, "State of Water in Disulfonated Poly(Arylene Ether Sulfone) Copolymers and Perfluorosulfonic Acid Copolymer (Nafion) and Its Effect on Physico-Electrochemical Properties," Macromolecules, 36, 17, 6281 (2003).

Yu Seung Kim , Feng Wang, Michael Hickner, Thomas A. Zawodzinski, and James E. McGrath, "Fabrication and Characterization of Heteropolyacid (H(sub 3)PW(sub 12)O(sub 24))/Directed Polymerized Sulfonated Poly(Arylene Ether Sulfone) Copolymer Composite Membranes for Higher Temperature Fuel Cell Applications," Journal of Membrane Science, 212, 1-2, 263 (2003).

Yu Seung Kim, Feng Wang, Michael Hickner, Steven MaCartney, Young Taik Hong, Thomas A. Zawodzinski, and James E. McGrath, "Effect of Acidification Treatment and Morphological Stability of Sulfonated Poly(Arylene Ether Sulfone) Copolymer Proton Exchange Membranes for Fuel Cell Use above 100C," Journal of Polymer Science Part B: Polymer Physics, 41, 2816 (2003).

Yu Seung Kim, Limin Dong, Michael Hickner, Bryan Pivovar, and James E. McGrath, "Processing Induced Morphological Development in Hydrated Sulfonated Poly(Arylene Ether Sulfone) Copolymer Membranes," Polymer, 44, 19, 5729 (2003).

Mukundan, R.; Brosha, E. L.; Garzon, F. H., "Mixed potential hydrocarbon sensors based on a YSZ electrolyte and oxide electrodes," Journal of the Electrochemical Society, 150, (12), H279-84 (2003).

B. Rajesh, K. Ravindranathan Thampi, JM Bonard, N. Xanthopoulos, HJ Mathieu, and B. Viswanathan, "Carbon nanotubes generated from template carbonization of polyphenyl acetylene as the support for electrooxidation of methanol," Journal of Physical Chemistry B, 107, 2701-2708 (2003).

B. Rajesh, KR Thampi, JM Bonard, HJ Mathieu, N. Xanthopoulos, and B. Viswanathan, "Conducting polymeric nanotubules as high performance methanol oxidation catalyst support," Chemical Communications, 2022-2023 (2003).

Saab, A. P.; Garzon, F. H.; Zawoszinski, T. A., "The effects of processing conditions and chemical composition on electronic and ionic resistivities of fuel cell electrode composites," Journal of the Electrochemical Society, 150, (2), A214-18 (2003).

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2002

Brosha, E. L.; Mukundan, R.; Brown, D. R.; Garzon, F. H.; Visser, J. H., "Development of ceramic mixed potential sensors for automotive applications," Solid State Ionics, Diffusion & Reactions, 148, (1/2), 61-9 (2002).

Brosha, E. L.; Mukundan, R.; Brown, D. R.; Garzon, F. H., "Growth of La(sub 0.8)Sr(sub 0.2)CrO(sub 3) thin films from a fluoride sputtering process," Symposium on High Temperature Materials; May 13-15, 2002; Philadelphia, PA 2002, 2002, (5), 116-123.

Brosha, E. L.; Mukundan, R.; Brown, D. R.; Garzon, F. H., "Mixed potential sensors using lanthanum manganate and terbium yttrium zirconium oxide electrodes," Sensors and Actuators, B: Chemical 2002, 87, (1), 47-57.

B.K. Crone, A. Dodabalapur, R. Sarpeshkar, A. Gelperin, H.E. Katz, Z. Bao, "Organic oscillator and adaptive amplifier circuits for chemical vapor sensing," J. Appl. Phys., 91, 10140 (2002).

Garzon, F. H.; Brosha, E. L.; Mukundan, R., "The evolution of high temperature electrochemical gas sensors," Symposium on High Temperature Materials; May 13-15, 2002; Philadelphia, PA 2002, 2002, (5), 157-168.

Greg Kaduchak, Dipen N. Sinha, and David C. Lizon, "A novel low-cost, low-power, off-the-shelf, air-coupled acoustic levitator/concentrator," Review of Scientific Instruments, 73, 1332-1336 (2002).

Mukundan, R.; Brosha, E. L.; Garzon, F. H., "Solid-state electrochemical sensors for automotive applications," Symposium on Chemical Sensors for Hostile Environments, April 22-25, 2001; Indianapolis, IN 2002, 130, 1-10.

Mukundan, R.; Brosha, E. L.; Garzon, F. H., "Applications of proton conducting perovskites," Symposium on High Temperature Materials; May 13-15, 2002; Philadelphia, PA 2002, 2002, (5), 142-147.

B. Rajesh, V. Karthik, S. Karthikeyan , KR Thampi, JM Bonard, and B. Viswanathan, "Pt-WO(sub 3) supported on carbon nanotubes as possible anodes for direct methanol fuel cells," Fuel; December 2002, 81, 2177-2190.

B. Rajesh, KR Thampi, JM Bonard, N. Xanthapolous, HJ Mathieu, and B. Viswanathan, "Pt supported on polyaniline-V(sub 2)O(sub 5) nanocomposite as the electrode material for methanol oxidation," Electrochemical and Solid-State Letters, 2002, 5,E71-4.

Saab, A. P.; Garzon, F. H.; Zawodzinski, T. A., "Determination of ionic and electronic resistivities in carbon/polyelectrolyte fuel-cell composite electrodes," Journal of the Electrochemical Society 2002, 149, (12), A1541-6.

MA Scibioh, B. Rajesh, and B. Viswanathan, "Anode materials for direct methanol fuel cell," PINSA-A (Proceedings of the Indian National Science Academy ) Part A (Physical Sciences) 2002, 68, 99-139.

P. Zelenay , S.C. Thomas, X. Ren and S. Gottesfeld, "Direct Methanol Fuel Cells: Progress in Cell Performance and Cathode Research," Electrochim. Acta, 47 (2002) 3741-3748.

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2001

B.K. Crone, A. Dodabalapur, Y.Y. Lin, R.W. Filas, R. Sarpeshkar, Z. Bao, J.H. O'Neill, W. Li, H.E. Katz, "Design and Fabrication of Organic Complementary Circuits," J. Appl. Phys., 89, 5125 (2001).

B. Crone, A. Dodabalapur, A. Gelperin, L. Torsi, H.E. Katz, A.J. Lovinger, Z. Bao, "Electronic Sensing of Vapors with Organic Transistors," Appl. Phys. Lett., 78, 2229 (2001).

Gregory Kaduchak and Dipen N. Sinha, "Low-Power Acoustic Harvesting of Aerosols," 2001 IEEE International Ultrasonics Symposium Proceedings, 607-610 (2001).

Christopher Kwiatkowski and Dipen N. Sinha, "Ultrasonic Frequency Difference Generation to Characterize Fluids in Saturated Berea Sandstone," 2001 IEEE International Ultrasonics Symposium Proceedings, 475-478 (2001).

Scott MacIntosh, Dipen N. Sinha, and Gregory Kaduchak, "Noninvasive Noncontact Fluid Detection in Submerged Containers Using Swept Frequency Ultrasonic Technique," 2001 IEEE International Ultrasonics Symposium Proceedings, 689-692 (2001).

Mukundan, R.; Brosha, E. L.; Garzon, F. H. "In Mixed potential sensors for CO monitoring," Chemical and Biological Sensors and Analytical Methods II. Proceedings of the International Symposium, 2001, San Francisco, CA, USA, 2001; Butler, M.; Vansysek, P.; Yamazoe, N., Eds. Pennington, NJ, USA: Electrochemical Society, 2001: 2001; pp p.464-9.

Dipen N. Sinha and Greg Kaduchak, "Noninvasive Determination of Sound Speed and Attenuation in Liquids," for publication in Experimental Methods in the Physical Sciences, Volume 39 (Modern Acoustical Techniques for the Measurement of Mechanical Properties). Book Chapter, Academic Press, September 2001.

Dipen N. Sinha and Greg Kaduchak, "Noninvasive Determination of Sound Speed and Attenuation in Chemical Warfare Agents," in Elastic Properties of Fluids: Liquids and Gases, Volume IV, Chapter 1, p. 3-21, Volume Editors: Moises Levy, Dipen Sinha, and Richard Raspet, Academic Press, 2001.

T. E. Springer, T. Rockward, T. A. Zawodzinski, and S. Gottesfeld , "Model for Polymer Electrolyte Fuel Cell Operation on Reformate Feed: Effects of CO(sub 2), H(sub 2) Dilution, and High Fuel Utilization", J. Electrochem. Soc. 148, A11 (2001).

P. Zelenay, P. Waszczuk, A. Wieckowski, S. Gottesfeld, C. Coutanceau, J.-M. Léger and C. Lamy, "Adsorption on Fuel Cell Nanoparticle Electrodes: A Radioactive Labeling Study," J. Electroanal Chem., 511 (2001) 55-64.

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2000

Brosha, E. L.; Mukundan, R.; Brown, D. R.; Garzon, F. H.; Visser, J.H.; Zanini, M.; Zhou, Z.; Logothetis, E. M., "CO/HC sensors based on thin films of LaCoO(sub 3) and La(sub 0.8)Sr(sub 0.2)CoO(sub 3-x) metal oxides," Sensors and Actuators, B: Chemical, 2000, 69, (1), 171-182.

B. K. Crone, A. Dodabalapur, Y.Y. Lin, R.W. Filas, Z. Bao, R. Sarpeshkar, H.E. Katz, W. Li, "Large scale complementary integrated circuits based on organic transistors," Nature, 403, 521 (2000).

B.K. Crone, P.S. Davids, I.H. Campbell, D.L. Smith, "Device Model Investigation of Bilayer Organic Light Emitting Diodes," J. Appl. Phys., 87, 1974 (2000).

Dinh, H. N.; Ren, X. M.; Garzon, F. H.; Zelenay, P.; Gottesfeld, S., "Electrocatalysis in direct methanol fuel cells: In-situ probing of PtRu anode catalyst surfaces," Journal of Electroanalytical Chemistry, 2000, 491, (1-2), 222-233.

Garzon, F. H.; Mukundan, R.; Brosha, E. L., "Solid-state mixed potential gas sensors: Theory, experiments and challenges," 12th International Conference on Solid State Ionics, 6-12 June 1999, Halkidiki, Greece 2000, 136/137, 633-8.

Greg Kaduchak and Dipen N. Sinha, "Effects of Diffraction on the Measurement of the Acoustic Properties of Liquids in Thin-walled Containers," 2000 IEEE International Ultrasonic Symposium Proceedings (October 22-25, 2000, San Juan, Puerto Rico), Vol. 1, pages 809-813.

Mukundan, R.; Brosha, E. L.; Brown, D. R.; Garzon, F. H., "A mixed-potential sensor based on a Ce (sub 0.8)Gd(sub 0.2)O(sub 1.9) electrolyte and platinum and gold electrodes,". Journal of the Electrochemical Society, 195th Meeting of the Electrochemical-Society; May 2-6, 1999; Seattle, WA 2000, 147, (4), 1583-8.

K. Ren, T. E. Springer, and S. Gottesfeld , "Water and Methanol Uptakes in Nafion Membranes and Membrane Effects on Direct Methanol Cell Performance", J. Electrochem. Soc., 147, 92 (2000).

Siders, J. L. W.; Trugman, S. A.; Garzon, F. H.; Houlton, R. J.; Taylor, A. J., "Terahertz emission from YBa(sub 2)Cu(sub 3)O(sub 7-x) thin films via bulk electric-quadrupole-magnetic-dipole optical rectification," Physical Review B (Condensed Matter), 2000, 61, (20), 13633-8.

P. Zelenay, H.N. Dinh, X. Ren, F.H. Garzon and S. Gottesfeld , "Electrocatalysis in direct methanol fuel cells: in-situ probing of PtRu anode catalyst surfaces," J. Electroanal. Chem., 491 (2000) 222-233.

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