A. B. LaConti et al., “Solid Polymer Electrolyte Electrochemical Cells: Electrode and Other Materials Considerations”, General Electric Company, Wilmington, MA 1974, pp. 354-374. |
Ueda et al., “Synthesis and Characterization of Aromatic PES Containing Pendant Sodium Sulfonate Groups”, J. Polymer Science, vol. 31, 1993, pp. 853-858. |
Kerres et al., “New Ionomers and Their Applications in PEM Fuel Cells”, ICE, Stuttgart, Germany, 1998, pp. 1951-1956. |
Kreuer, K. D., “Membrane Materials for PEM Fuel Cells: A Microstructural Approach”, Electrochemical Society Proceedings, vol. 95-23, 1995, pp. 241-246. |
Xu et al., “Preliminary Study of Phosphonate Ion Exchange Membranes for PEM Fuel Cells”, SUNY, Syracuse, NY, 1996, two pages. |
Kolde et al., “Advanced Composite Polymer Electrolyte Fuel Cell Membranes”, Electrochemical Society Proceedings, vol. 95-23, 1995, pp. 193-201. |
Ren et al., “Methanol Cross-over in Direct Methanol Fuel Cells”, Electrochemical Society Proceedings, vol. 95-23, 1995, pp. 284-298. |
Jones, D.J., et al. “New Proton Conductors For Fuel Cell Applications”, Environmental Research Forum, vol. 1-2 (1996), pp. 115-126. |
Sillion, B. et al., “Sulfonated Polyimides As Novel Proton Exchange Membranes For H2/02 Fuel Cells”, Laboratoire Des Materioux Organiques Aux Proprietes Specifiques, Vernaison, France, No date. |
F. KuCera et al., “Homogeneous and Heterogeneous Sulfonation of Polymers: A Review”, Polymer Engineering And Science, May 1998, vol. 36, No. 5, pp. 783-792. |
Tsuchida et al., “Synthesis And Proton Conductivity of Highly Sulfonated Poly(thiophenylene)”, Macromolecules , 1997, vol. 30, pp. 2941-2946. |
M. Kurihara et al., “The Major Developments of the Evolving Reverse Osmosis Membranes and Ultrafiltration Membranes”, Polymer Journal, vol. 23, No. 5, pp. 513-520 (1991). |
P. Clemenson et al., “Synthesis and Characterization of New Water-Soluble Precursors of Polyimides”, Polymer Engineering And Science, Jun. 1997, vol. 37, No. 6, pp. 966-977. |
L. H. Sperling et al. “The Current Status of Interpenetrating Polymer Networks”, IPNs Around the World, Edited by S. C. Kim and L. H. Sperling 1997 John Wiley & Sons Ltd, No date. |
A. B. LaConti et al. “Morphology And Reverse Osmosis Properties Of Sulfonated 2,6-Dimethyl Polyphenylene Oxide Membranes”, Reprinted from Reverse Osmosis Membrane Research, 1972, pp. 263-284. |
“Electrophilic Aromatic Sulfonation And Related Reactions”—Part I, pp. 1-45, No date. |
D. Weng et al “Electro-osmotic Drag Coefficient of Water and Methanol in Polymer Electrolytes at Elevated Temperatures”, J. Electrochem. Soc. , vol. 143, No. 4, Apr. 1996, pp. 1260-1263. |
A. V. Anantaraman et al. “Studies on Ion-exhange Membranes. Part 1. Effect of Humidity on the Conductivity of Nafion”, Journal of Electroanalytical Chemistry, 414 (1996), pp. 115-120. |
Y. Sone et al. “Proton Conductivity of Nafion 117 as Measured by a Four-Electrode AC Impedance Method”, J. Electrochem. Soc., vol. 143, No. 4, Apr. 1996, pp. 1254-1259. |
M. Schulze et al. “Proton Exchange With Alkaline Ions In Nafion”, six pages, No date. |
J. J. Sumner et al. “Proton Conductivity in Nafion 117 and in a Novel Bis[(perfluoroalkyl)sulfonyl]imide Ionomer Membrane”, J. Electrochem. Soc, vol. 145, No. 1, Jan. 1998, pp. 107-111. |
T. Okada et al. “Transport And Equilibrium Properties of Nafion Membranes With H+ and Na+ Ions”, Journal of Electroanalytical Chemistry, 442 (1998), pp. 137-145. |
J. Kerres et al. “Development and Characterization of Crosslinked Ionomer Membranes Based Upon Sulfinatedand Sulfonated PSU Crosslinked PSU Blend Membranes By Disproportionation of Sulfinic Acid Groups”, Journal Of Membrane Science, 239 (1998) pp. 211-225. |
N. M. Belomoina et al. “Thermoreactive Sulfur-Containing Poly(phenylquinoxaline)s”, Polymer Science, Series B, vol. 38, Nos. 1-2, 1996, pp. 98-100. |
T. Kobayashi et al. “Proton-Conducting Polymers Derived From Poly(ether-etherketone) and Poly(4-phenoxybenzoyl-1,4-phenylene)”, Solid State Ionics, 106 (1998), pp. 219-225. |
G. Alberti et al. “Layered Metal IV Phos phonates, a Large Class Of inorgano-organic Proton Conductors”, Solid State Ionics, 97, (1997), pp. 177-186. |
Y. Uchimoto et al. “Ionically Conductive Thin Polymer Films Prepared By Plasma Polymerization. Part 7. Preparation and Characerization Of Solid Polymer Electrolyte Having Fixed Carboxylic Acid Groups With Single Mobile Species”, Solid State Ionics, 40/41 (1990), pp. 624-627. |
S. Kim et al. “Aromatic and Rigid Rod Polyelectrolytes Based On Sulfonated Poly(benzobisthiazoles)”, No date. |
T. A. Zawodzinski, Jr. et al. “Water Uptake by and Transport Through Nafion 117 Membranes”, Journal of the Electrochemical Society, vol. 40, No. 4, Apr. 1993, pp. 1041-1047. |
A. Bhatnagar et al. “Synthesis and Characterization of Polyphenylene Sulfide Sulfones”: Part II, pp. 111-112. |
M. Yoshitake et al. “Flemions and PEFC”, pp. 509-512, No date. |
R. W. Kopitzke et al. “Sulfonation of a Poly(phenylquinoxaline) Film”, Journal of Polymer Science: Part A: Polymer Chemistry, vol. 86 (1998), pp. 1197-1199. |
Y. N. Liu et al. “Synthesis and Characterization of Poly(phenylene Sulfide Sulfone): Part I”, pp. 109-110, No date. |
A. Bhatnagar, et al. “Synthesis and Characterization of Advanced Fire Resistant Engineering Thermoplastics”, pp. 227-228, No date. |
Copy of PCT International Search Report (Form PCT/ISA/210) dated Jan. 26, 1999 (3 pages) re Int'l Appln. No. PCT/US98/17898. |