Air impurities

Polymer Electrolyte Fuel Cell Durability

Volumn , Issue , 2009, Pages 289-321

  St Pierre, Jean ^a  

^a UNIVERSITY OF SOUTH CAROLINA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84892111378     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1007/978-0-387-85536-3_15     Document Type: Chapter

References (134)

1. Ahn, S.-Y., Shin, S.-J., Ha, H. Y., Hong, S.-A., Lee, Y.-C., Lim, T. W. and Oh. I.-H. (2002) Performance and lifetime analysis of the kW-class PEMFC stack. J. Power Sources 106, 295-303
2. Antolini, E., Salgado, J. R. C. and Gonzalez, E. R. (2006) The stability of Pt-M (M =first row transition metal) alloy catalysts and its effect on the activity in low temperature fuel cells-A literature review and tests on a Pt-Co catalyst. J. Power Sources 160, 957-968
3. Aoki, M., Uchida, H. and Watanabe, M. (2006) Decomposition mechanism of perfluorosulfonic acid electrolyte in polymer electrolyte fuel cells. Electrochem. Commun. 8, 1509-1513
4. Ball, S. C., Hudson, S. L., Thompsett, D. and Theobald, B. (2007) An investigation into factors affecting the stability of carbons and carbon supported platinum and platinum/cobalt alloy catalysts during 1.2 V potentiostatic hold regimes at a range of temperatures. J. Power Sources 171, 18-25
5. Bétournay, M. C., Bonnell, G., Edwardson, E., Paktunc, D., Kaufman, A. and Lomma, A. T. (2004) The effects of mine conditions on the performance of a PEM fuel cell. J. Power Sources 134, 80-87
6. Bhugun, I. and Anson, F. C. (1997) A generalized treatment of the dynamics of the adsorption of Langmuirian systems at stationary or rotating disk electrodes. J. Electroanal. Chem. 439, 1-6
7. Bi, W., Gray, G. E. and Fuller, T. F. (2007) PEM fuel cell Pt/C dissolution and deposition in Nafion electrolyte. Electrochem. Solid-State Lett. 10, B101-B104
8. Bosnjakovic, A. and Schlick, S. (2004) Nafion perfluorinated membranes treated in Fenton media: Radical species detected by ESR spectroscopy. J. Phys. Chem. B. 108, 4332-4337
9. Brady, M. P., Weisbrod, K., Paulauskas, I., Buchanan, R. A., More, K. L., Wang, H., Wilson, M., Garzon, F. and Walker L. R. (2004) Preferential thermal nitridation to form pin-hole free Cr-nitrides to protect proton exchange membrane fuel cell metallic bipolar plates. Scripta Materialia 50, 1017-1022
10. Brady, M. P., Yang, B., Wang, H., Turner, J. A., More, K. L., Wilson, M. and Garzon, F. (2006) The formation of protective nitride surfaces for PEM fuel cell metallic bipolar plates. JOM 58, 50-57
11. Cai, M., Ruthkosky, M. S., Merzougui, B., Swathirajan, S., Balogh, M. P. and Oh, S. H. (2006) Investigation of thermal and electrochemical degradation of fuel cell catalysts. J. Power Sources 160, 977-986
12. Chaparro, A. M., Mueller, N., Atienza, C. and Daza, L. (2006) Study of electrochemical instabilities of PEMFC electrodes in aqueous solution by means of membrane inlet mass spectrometry. J. Electroanal. Chem. 591, 69-73
13. Chen, F., Su, Y.-G., Soong, C.-Y., Yan, W.-M. and Chu, H.-S. (2004) Transient behavior of water transport in the membrane of a PEM fuel cell. J. Electroanal. Chem. 566, 85-93
14. Cheng, X., Shi, Z., Glass, Z., Zhang, L., Zhang, J., Song, D., Liu, Z.-S., Wang, H. and Shen, J. (2007) A review of PEM hydrogen fuel cell contamination: Impacts, mechanisms, and mitigation. J. Power Sources 165, 739-756
15. Cleghorn, S. J. C., Mayfield, D. K., Moore, D. A., Moore, J. C., Rusch, G., Sherman, T. W., Sisofo, N. T. and Beuscher, U. (2006) A polymer electrolyte fuel cell life test: 3 years of continuous operation. J. Power Sources 158, 446-454
16. Colón-Mercado, H. R. and Popov, B. N. (2006) Stability of platinum based alloy cathode catalysts in PEM fuel cells. J. Power Sources 155, 253-263
17. Cunningham, N., Guay, D., Dodelet, J. P., Meng, Y., Hlil, A. R. and Hay, A. S. (2002) New materials and procedures to protect metallic PEM fuel cell bipolar plates. J. Electrochem. Soc. 149, A905-A911
18. Curtin, D. E., Lousenberg, R. D., Henry, T. J., Tangeman, P. C. and Tisack, M. E. (2004) Advanced materials for improved PEMFC performance and life. J. Power Sources 131, 41-48
19. Dam, V. A. T. and de Bruijn, F. A. (2007) The stability of PEMFC electrodes-Platinum dissolution vs potential and temperature investigated by quartz crystal microbalance. J. Electrochem. Soc. 154, B494-B499
20. Darling, R. M. and Meyers, J. P. (2003) Kinetic model of platinum dissolution in PEMFCs. J. Electrochem. Soc. 150, A1523-A1527
21. Darling R. M. and Meyers, J. P. (2005) Mathematical model of platinum movement in PEM fuel cells. J. Electrochem. Soc. 152, A242-A247
22. Davies, D. P., Adcock, P. L., Turpin, M. and Rowen, S. J. (2000a) Bipolar plate materials for solid polymer fuel cells. J. Appl. Electrochem. 30, 101-105
23. Davies, D. P., Adcock, P. L., Turpin, M. and Rowen, S. J. (2000b) Stainless steel as a bipolar plate material for solid polymer fuel cells. J. Power Sources 86, 237-242
24. Ferreira, P. J., la O', G. J., Shao-Horn, Y., Morgan, D., Makharia, R., Kocha, S. and Gasteiger, H. A. (2005) Instability of Pt/C electrocatalysts in proton exchange membrane fuel cells-A mechanistic investigation. J. Electrochem. Soc. 152, A2256-A2271
25. Franco, A. A. and Tembely, M. (2007) Transient multiscale modeling of aging mechanisms in a PEFC cathode. J. Electrochem. Soc. 154, B712-B723
26. Fu, Y., Hou, M., Yan, X., Hou, J., Luo, X., Shao, Z. and Yi, B. (2007) Research progress of aluminum alloy endplates for PEMFCs. J. Power Sources 166, 435-440
27. Gancs, L., Hult, B. N., Hakim, N. and Mukerjee, S. (2007) The impact of Ru contamination of a Pt/C electrocatalyst on its oxygen-reducing activity. Electrochem. Solid-State Lett. 10, B150-B154
28. Garsany, Y., Baturina, O. A. and Swider-Lyons, K. E. (2007) Impact of sulfur dioxide on the oxygen reduction reaction at Pt/Vulcan carbon electrocatalysts. J. Electrochem. Soc. 154, B670-B675
29. Gasteiger, H. A., Kocha, S. S., Sompalli, B. and Wagner, F. T. (2005) Activity benchmarks and requirements for Pt, Pt-alloy, and non-Pt oxygen reduction catalysts for PEMFCs. Appl. Catal. B 56, 9-35
30. Guilminot, E., Corcella, A., Charlot, F., Maillard, F. and Chatenet, M. (2007a) Detection of Ptz+ ions and Pt nanoparticles inside the membrane of a used PEMFC. J. Electrochem. Soc. 154, B96-B105
31. Guilminot, E., Corcella, A., Chatenet, M., Maillard, F., Charlot, F., Berthomé, G., Iojoiu, C., Sanchez, J.-Y., Rossinot, E. and Claude, E. (2007b) Membrane and active layer degradation upon PEMFC steady-state operation I. Platinum dissolution and redistribution within the MEA. J. Electrochem. Soc. 154, B1106-B1114
32. Gülzow, E., Schulze, M. and Steinhilber, G. (2002) Investigation of the degradation of different nickel anode types for alkaline fuel cells (AFCs). J. Power Sources 106, 126-135
33. Gülzow, E., Schulze, M., Wagner, N., Kaz, T., Reissner, R., Steinhilber, G. and Schneider, A. (2000) Dry layer preparation and characterization of polymer electrolyte fuel cell components. J. Power Sources 86, 352-362
34. Halseid, R., Vie, P. J. S. and Tunold, R. (2004) Influence of ammonium on conductivity and water content of Nafion 117 membranes. J. Electrochem. Soc. 151, A381-A388
35. Halseid, R., Bystron, T. and Tunold, R. (2006a) Oxygen reduction on platinum in aqueous sulphuric acid in the presence of ammonium. Electrochim. Acta 51, 2737-2742
36. Halseid, R., Vie, P. J. S. and Tunold, R. (2006b) Effect of ammonia on the performance of polymer electrolyte membrane fuel cells. J. Power Sources 154, 343-350
37. Halseid, R., Wainright, J. S., Savinell, R. F. and Tunold, R. (2007) Oxidation of ammonium on platinum in acidic solutions. J. Electrochem. Soc. 154, B263-B270
38. Healy, J., Hayden, C., Xie, T., Olson, K., Waldo, R., Brundage, M., Gasteiger, H. and Abbott, J. (2005) Aspects of the chemical degradation of PFSA ionomers used in PEM fuel cells. Fuel Cells 5, 302-308
39. Helfferich, F. (1962) Ion exchange. McGraw-Hill, New York
40. Hickner, M. A., Ghassemi, H., Kim, Y. S., Einsla, B. R. and McGrath, J. E. (2004) Alternative polymer systems for proton exchange membranes (PEMs). Chem. Rev. 104, 4587-4612
41. Imamura, D., Akai, M. and Watanabe, S. (2005) Exploration of hydrogen odorants for fuel cell vehicles. J. Power Sources 152, 226-232
42. Inaba, M., Kinumoto, T., Kiriake, M., Umebayashi, R., Tasaka, A. and Ogumi, Z. (2006) Gas crossover and membrane degradation in polymer electrolyte fuel cells. Electrochim. Acta 51, 5746-5753
43. Iojoiu, C., Guilminot, E., Maillard, F., Chatenet, M., Sanchez, J.-Y., Claude, E. and Rossinot, E. (2007) Membrane and active layer degradation following PEMFC steady-state operation II. Influence of Ptz+ on membrane properties. J. Electrochem. Soc. 154, B1115-B1120
44. Iyer, S. T., Nandan, D. and Venkataramani, B. (1996) Alkaline earth metal ion-proton-exchange equilibria on Nafion-117 and Dowex 50W X8 in aqueous solutions at 298 ± 1 K. React. Funct. Polym. 29, 51-57
45. Jing, F., Hou, M., Shi, W., Fu, J., Yu, H., Ming, P. and Yi, B. (2007) The effect of ambient contamination on PEMFC performance. J. Power Sources 166, 172-176
46. 2. J. Phys. Chem. B 109, 7664-7670
47. Kelly, M. J., Egger, B., Fafilek, G., Besenhard, J. O., Kronberger, H. and Nauer, G. E. (2005a) Conductivity of polymer electrolyte membranes by impedance spectroscopy with microelectrodes. Solid State Ionics 176, 2111-2114
48. Kelly, M. J., Fafilek, G., Besenhard, J. O., Kronberger, H. and Nauer, G. E. (2005b) Contaminant absorption and conductivity in polymer electrolyte membranes. J. Power Sources 145, 249-252
49. Kennedy, D. M., Cahela, D. R., Zhu, W. H., Westrom, K. C., Nelms, R. M. and Tatarchuk, B. J. (2007) Fuel cell cathode air filters: Methodologies for design and optimization. J. Power Sources 168, 391-399
50. Kinumoto, T., Inaba, M., Nakayamaa, Y., Ogata, K., Umebayashi, R., Tasaka, A., Iriyama, Y., Abe, T. and Ogumi, Z. (2006) Durability of perfluorinated ionomer membrane against hydrogen peroxide. J. Power Sources 158, 1222-1228
51. Koh, S., Leisch, J., Toney, M. F. and Strasser, P. (2007) Structure-activity-stability relationships of Pt-Co alloy electrocatalysts in gas-diffusion electrode layers. J. Phys. Chem. C 111, 3744-3752
52. Laporta, M., Pegoraro, M. and Zanderighi, L. (2000) Recast Nafion-117 thin film from water solution. Macromol. Mater. Eng. 282, 22-29
53. Lebedeva, N. P. and Janssen, G. J. M. (2005) On the preparation and stability of bimetallic PtMo/C anodes for proton-exchange membrane fuel cells. Electrochim. Acta 51, 29-40
54. Lehmani, A., Turq, P., Périé, M., Périé, J. and Simonin, J.-P. (1997) Ion transport in Nafion 117 membrane. J. Electroanal. Chem. 428, 81-89
55. Liu, D. and Case, S. (2006) Durability study of proton exchange membrane fuel cells under dynamic testing conditions with cyclic current profile. J. Power Sources 162, 521-531
56. Liu, W. and Zuckerbrod, D. (2005) In situ detection of hydrogen peroxide in PEM fuel cells. J. Electrochem. Soc. 152, A1165-A1170
57. Liu, W., Ruth, K. and Rusch, G. (2001) Membrane durability in PEM fuel cells. J. New Mater. Electrochem. Syst. 4, 227-232
58. Ma, L., Warthesen, S. and Shores, D. A. (2000) Evaluation of materials for bipolar plates in PEMFCs. J. New Mater. Electrochem. Syst. 3, 221-228
59. Ma, X., Yang, D., Zhou, W., Zhang, C., Pan, X., Xu, L., Wu, M. and Ma, J. (2008) Evaluation of activated carbon adsorbent for fuel cell cathode air filtration. J. Power Sources 175, 383-389
60. Maass, S., Finsterwalder, F., Frank, G., Hartmann, R. and Merten, C. (2008) Carbon support oxidation in PEM fuel cell cathodes. J. Power Sources, 176, 444-451
61. Makkus, R. C., Janssen, A. H. H., de Bruijn, F. A. and Mallant, R. K. A. M. (2000) Use of stainless steel for cost competitive bipolar plates in the SPFC. J. Power Sources 86, 274-282
62. Masten, D. A. and Bosco, A. D. (2003) System design for vehicle applications: GM/Opel. In: Vielstich, W., Gasteiger, H. and Lamm, A. (Ed.), Handbook of Fuel Cells-Fundamentals, Technology and Applications, Vol. 4-Fuel Cell Technology and Applications, Part 3. Wiley, Chichester, West Sussex, England, pp. 714-724
63. Mikkola, M. S., Rockward, T., Uribe, F. A. and Pivovar, B. S. (2007) The effect of NaCl in the cathode air stream on PEMFC performance. Fuel Cells 7, 153-158
64. Mitsushima, S., Kahawara, S., Ota, K.-i. and Kamiya, N. (2007) Consumption rate of Pt under potential cycling. J. Electrochem. Soc. 154, B153-B158
65. 2 involved in the membrane degradation mechanism in PEMFC?. Electrochem. Solid-State Lett. 9, A299-A302
66. Mittal, V. O., Kunz, H. R. and Fenton, J. M. (2007) Membrane degradation mechanisms in PEMFCs. J. Electrochem. Soc. 154, B652-B656
67. Mohtadi, R., Lee, W.-K. and Van Zee, J. W. (2004) Assessing durability of cathodes exposed to common air impurities. J. Power Sources 138, 216-225
68. Moore, J. M., Adcock, P. L., Lakeman, J. B. and Mepsted, G. O. (2000) The effects of battlefield contaminants on PEMFC performance. J. Power Sources 85, 254-260
69. Narusawa, K., Hayashida, M., Kamiya, Y., Roppongi, H., Kurashima, D. and Wakabayashi, K. (2003) Deterioration in fuel cell performance resulting from hydrogen fuel containing impurities: poisoning effect of CO, CH4, HCHO and HCOOH. JSAE Rev. 24, 41-46
70. Ohma, A., Suga, S., Yamamoto, S. and Shinohara, K. (2007) Membrane degradation behavior during open-circuit voltage hold test. J. Electrochem. Soc. 154, B757-B760
71. Okada, T. (1999) Theory for water management in membranes for polymer electrolyte fuel cells-Part 2. The effect of impurity ions at the cathode side on the membrane performances. J. Electroanal. Chem. 465, 18-29
72. Okada, T. (2003) Effect of ionic contaminants. In: Vielstich, W., Gasteiger, H. and Lamm, A. (Ed.), Handbook of Fuel Cells-Fundamentals, Technology and Applications, Vol. 3-Fuel Cell Technology and Applications, Part 1. Wiley, Chichester, West Sussex, England, pp. 627-646
73. Okada, T., Nakamura, N., Yuasa, M. and Sekine, I. (1997) Ion and water transport characteristics in membranes for polymer electrolyte fuel cells containing H+ and Ca+2 cations. J. Electrochem. Soc. 144, 2744-2750
74. Okada, T., Møller-Holst, S., Gorseth, O. and Kjelstrup, S. (1998a) Transport and equilibrium properties of Nafion membranes with H+ and Na+ ions. J. Electroanal. Chem. 442, 137-145
75. Okada, T., Xie, G., Gorseth, O., Kjelstrup, S., Nakamura, N. and Arimura, T. (1998b) Ion and water transport characteristics of Nafion membranes as electrolytes. Electrochim. Acta 43, 3741-3747
76. Okada, T., Xie, G. and Meeg, M. (1998c) Simulation for water management in membranes for polymer electrolyte fuel cells. Electrochim. Acta 43, 2141-2155
77. Okada, T., Ayato, Y., Yuasa, M. and Sekine, I. (1999a) The effect of impurity cations on the transport characteristics of perfluorosulfonated ionomer membranes. J. Phys. Chem. B 103, 3315-3322
78. Okada, T., Dale, J., Ayato, Y., Asbjørnsen, O. A., Yuasa, M. and Sekine, I. (1999b) Unprecedented affect of impurity cations on the oxygen reduction kinetics at platinum electrodes covered with perfluorinated ionomer. Langmuir 15, 8490-8496
79. 2+. Phys. Chem. Chem. Phys. 2, 3255-3261
80. Okada, T., Ayato, Y., Satou, H. Yuasa, M. and Sekine, I. (2001) The effect of impurity cations on the oxygen reduction kinetics at platinum electrodes covered with perfluorinated ionomer. J. Phys. Chem. B 105, 6980-6986
81. Okada, T., Satou, H. and Yuasa, M. (2003) Effects of additives on oxygen reduction kinetics at the interface between platinum and perfluorinated ionomer. Langmuir 19, 2325-2332
82. Panchenko, A., Dilger, H., Kerres, J., Hein, M., Ullrich, A., Kaz, T. and Roduner, E. (2004) In-situ spin trap electron paramagnetic resonance study of fuel cell processes. Phys. Chem. Chem. Phys. 6, 2891-2894
83. Pourcelly, G., Oikonomou, A., Gavach, C. and Hurwitz, H. D. (1990) Influence of the water content on the kinetics of counter-ion transport in perfluorosulphonic membranes. J. Electroanal. Chem. 287, 43-59
84. Pourcelly, G., Sistat, P., Chapotot, A., Gavach, C. and Nikonenko, V. (1996) Self diffusion and conductivity in Nafion membranes in contact with NaCl + CaCl2 solutions. J. Membr. Sci. 110, 69-78
85. Pozio, A., Silva, R. F., De Francesco, M. and Giorgi, L. (2003) Nafion degradation in PEFCs from end plate iron contamination. Electrochim. Acta 48, 1543-1549
86. 2. J. Electrochem. Soc. 153, A967-A974
87. Reiser, C. A., Bregoli, L., Patterson, T. W., Yi, J. S., Yang, J. D., Perry, M. L. and Jarvi, T. D. (2005) A reverse-current decay mechanism for fuel cells. Electrochem. Solid-State Lett. 8, A273-A276
88. Roen, L. M., Paik, C. H. and Jarvi, T. D. (2004) Electrocatalytic corrosion of carbon support in PEMFC cathodes. Electrochem. Solid-State Lett. 7, A19-A22
89. Samec, Z., Trojanek, A., Langmaier, J. and Samcova, E. (1997) Diffusion coefficients of alkali metal cations in Nafion from ion-exchange measurements-An advanced kinetic model. J. Electrochem. Soc. 144, 4236-4242
90. Schmidt, T. J., Paulus, U. A., Gasteiger, H. A. and Behm, R. J. (2001) The oxygen reduction reaction on a Pt/carbon fuel cell catalyst in the presence of chloride anions. J. Electroanal. Chem. 508, 41-47
91. Schmitz, A., Wagner, S., Hahn, R., Uzun, H. and Hebling, C. (2004) Stability of planar PEMFC in printed circuit board technology. J. Power Sources 127, 197-205
92. Schulze, M. and Christenn, C. (2005) XPS investigation of the PTFE induced hydrophobic properties of electrodes for low temperature fuel cells. Appl. Surf. Sci. 252, 148-153
93. Schulze, M., Gülzow, E. and Steinhilber, G. (2001) Activation of nickel-anodes for alkaline fuel cells. Appl. Surf. Sci. 179, 251-256
94. Schulze, M., Knöri, T., Schneider, A. and Gülzow, E. (2004) Degradation of sealings for PEFC test cells during fuel cell operation. J. Power Sources 127, 222-229
95. Schulze, M., Wagner, N., Kaz, T. and Friedrich, K. A. (2007) Combined electrochemical and surface analysis investigation of degradation processes in polymer electrolyte membrane fuel cells. Electrochim. Acta 52, 2328-2336
96. Seo, A., Lee, J., Han, K. and Kim, H. (2006) Performance and stability of Pt-based ternary alloy catalysts for PEMFC. Electrochim. Acta 52, 1603-1611
97. Sethuraman, V. A., Weidner, J. W. and Protsailo, L. V. (2007) Effect of diphenyl siloxane on the catalytic activity of Pt on carbon. Electrochem. Solid-State Lett. 10, B207-B209
98. Shi, M. and Anson, F. C. (1997) Dehydration of protonated Nafion coatings induced by cation exchange and monitored by quartz crystal microgravimetry. J. Electroanal. Chem. 425, 117-123
99. Silva, R. F. and Pozio, A. (2007) Corrosion study on different types of metallic bipolar plates for polymer electrolyte membrane fuel cells. J. Fuel Cell Sci. Technol. 4, 116-122
100. Smotkin, E. S. and Díaz-Morales, R. R. (2003) New electrocatalysts by combinatorial methods. Annu. Rev. Mater. Res. 33, 557-579
101. St-Pierre, J. and Wilkinson, D. P. (2001) Fuel cells: A new, efficient and cleaner power source. AIChE. J. 47, 1482-1486
102. St-Pierre, J. and Jia, N. (2002) Successful demonstration of Ballard PEMFCs for space shuttle applications. J. New Mater. Electrochem. Syst. 5, 263-271
103. 2. J. Electrochem. Soc. 155, B315-B320
104. St-Pierre, J., Wilkinson, D. P., Knights, S. and Bos, M. (2000) Relationships between water management, contamination and lifetime degradation in PEFC. J. New Mater. Electrochem. Syst. 3, 99-106
105. St-Pierre, J., Roberts, J., Colbow, K., Campbell, S. and Nelson, A. (2005) PEMFC operational and design strategies for sub zero environments. J. New Mater. Electrochem. Syst. 8, 163-176
106. Sung, Y.-E., Chrzanowski, W., Zolfaghari, A., Jerkiewicz, G. and Wieckowski, A. (1997) Structure of chemisorbed sulfur on a Pt(111) electrode. J. Am. Chem. Soc. 119, 194-200
107. Swider, K. E. and Rolison, D. R. (1996) The chemical state of sulfur in carbon-supported fuel-cell electrodes. J. Electrochem. Soc. 143, 813-819
108. Swider, K. E. and Rolison, D. R. (1999) Catalytic desulfurization of carbon black on a platinum oxide electrode. Langmuir 15, 3302-3306
109. Swider, K. E. and Rolison, D. R. (2000) Reduced poisoning of platinum fuel-cell electrocatalysts supported on desulfurized carbon. Electrochem. Solid-State Lett. 3, 4-6
110. Tandon, R. and Pintauro, P. N. (1997) Divalent/monovalent cation uptake selectivity in a Nafion cation-exchange membrane: experimental and modeling studies. J. Membr. Sci. 136, 207-219
111. Tan, J., Chao, Y. J., Van Zee, J. W. and Lee, W.-K. (2007) Degradation of elastomeric gasket materials in PEM fuel cells. Mater. Sci. Eng. A, 445-446, 669-675
112. Tawfik, H., Hung, Y. and Mahajan, D. (2007) Metal bipolar plates for PEM fuel cell-A review. J. Power Sources 163, 755-767
113. Teranishi, K., Kawata, K., Tsushima, S. and Hirai, S. (2006) Degradation mechanism of PEMFC under open circuit operation. Electrochem. Solid-State Lett. 9, A475-A477
114. 2 hybrid electrocatalysts for degradation mitigation in polymer electrolyte fuel cells. J. Power Sources 174, 159-163
115. Uribe, F. A. Gottesfeld, S. and Zawodzinski, T. A. (2002) Effect of ammonia as potential fuel impurity on proton exchange membrane fuel cell performance. J. Electrochem. Soc. 149, A293-A296
116. Wan, L.-J., Moriyama, T., Ito, M., Uchida, H., and Watanabe, M. (2002) In situ STM imaging of surface dissolution and rearrangement of a Pt-Fe alloy electrocatalyst in electrolyte solution. Chem. Commun. 58-59
117. Wang, Y. and Northwood, D. O. (2006) An investigation on metallic bipolar plate corrosion in simulated anode and cathode environments of PEM fuel cells using potential-pH diagrams. Int. J. Electrochem. Sci. 1, 447-455
118. Wang, Y. and Northwood, D. O. (2007) An investigation of the electrochemical properties of PVD TiN-coated SS410 in simulated PEM fuel cell environments. Int. J. Hydrogen Energy 32, 895-902
119. Wang, H., Sweikart, M. A. and Turner J. A. (2003) Stainless steel as bipolar plate material for polymer electrolyte membrane fuel cells. J. Power Sources 115, 243-251
120. Wang, X., Kumar, R. and Myers, D. J. (2006) Effect of voltage on platinum dissolution-Relevance to polymer electrolyte fuel cells. Electrochem. Solid-State Lett. 9, A225-A227
121. 2:F coated austenite stainless steels for PEM fuel cell bipolar plates. J. Power Sources 171, 567-574
122. Wind, J., Späh, R., Kaiser, W. and Böhm, G. (2002) Metallic bipolar plates for PEM fuel cells. J. Power Sources 105, 256-260
123. Xie, G. and Okada, T. (1995) Water transport behavior in Nafion 117 membranes. J. Electrochem. Soc. 142, 3057-3062
124. Xie, G. and Okada, T. (1996) Pumping effects in water movement accompanying cation transport across Nafion 117 membranes. Electrochim. Acta 41, 1569-1571
125. Xie, J., Wood III, D. L., Wayne, D. M., Zawodzinski, T. A., Atanassov, P. and Borup, R. L. (2005) Durability of PEFCs at high humidity conditions. J. Electrochem. Soc. 152, A104-A113
126. 2/sulfonated poly(biphenyl ether sulfone) composite membranes for fuel cell. J. Membr. Sci. 296, 9-14
127. Yadav, A. P., Nishikata, A. and Tsuru, T. (2007) Effect of halogen ions on platinum dissolution under potential cycling in 0.5 M H2SO4 solution. Electrochim. Acta 52, 7444-7452
128. Yang, D., Ma, J., Xu, L., Wu, M. and Wang, H. (2006) The effect of nitrogen oxides in air on the performance of proton exchange membrane fuel cell. Electrochim. Acta 51, 4039-4044
129. Yasuda, K., Taniguchi, A., Akita, T., Ioroi, T. and Siroma, Z. (2006) Platinum dissolution and deposition in the polymer electrolyte membrane of a PEM fuel cell as studied by potential cycling. Phys. Chem. Chem. Phys. 8, 746-752
130. Yu, P., Pemberton, M. and Plasse, P. (2005) PtCo/C cathode catalyst for improved durability in PEMFCs. J. Power Sources 144, 11-20
131. Zaluski, C. S. and Xu, G. (1994) AC impedance and conductivity study of alkali salt form perfluorosulfonate ionomer membranes. J. Electrochem. Soc. 141, 448-451
132. Zeng, R., Pang, Z. and Zhu, H. (2000) Modification of a Nafion ion exchange membrane by a plasma polymerization process. J. Electroanal. Chem. 490, 102-106
133. Zhang, J., Litteer, B. A., Gu, W., Liu, H. and Gasteiger, H. A. (2007) Effect of hydrogen and oxygen partial pressure on Pt precipitation within the membrane of PEMFCs. J. Electrochem. Soc. 154, B1006-B1011
134. Zhang, J., Wang, H., Wilkinson, D. P., Song, D., Shen, J. and Liu, Z.-S. (2005) Model for the contamination of fuel cell anode catalyst in the presence of fuel stream impurities. J. Power Sources 147, 58-71