Hickner M A, Ghassemi H, Kim Y S, et al. Alternative polymer systems for proton exchange membranes (PEMs)[J]. Chem Rev, 2004, 104(10): 4 587－4 611.
[2]
Jacobson M Z, Colella W G, Golden D M. Cleaning the air and improving health with hydrogen fuel-cell vehicles[J]. Science, 2005, 308(5 730): 1 901－1 905.
[3]
Kordesch K V, Simader G R. Environmental impact of fuel-cell technology[J]. Chem Rev, 1995, 95(1): 191－207.
[4]
Carrette L, Friedrich K A, Stimming U. Fuel cells - fundamentals and applications[J]. Fuel Cells, 2001, 1(1): 5－39.
[5]
Demirdoven N, Deutch J. Hybrid cars now, fuel cell cars later[J]. Science, 2004, 305(5 686): 974－976.
[6]
Tollefson J. Fuel of the future? [J]. Nature, 2010, 464(7 293): 1 262－1 264.
[7]
Saito M, Arimura N, Hayamizu K, et al. Mechanisms of ion and water transport in perfluorosulfonated ionomer membranes for fuel cells[J]. J Phys Chem B, 2004, 108(41): 16 064－16 070.
[8]
Saito M, Tsuzuki S, Hayamizu K, et al. Alcohol and proton transport in perfluorinated ionomer membranes for fuel cells[J]. J Phys Chem B, 2006, 110(48): 24 410－24 417.
[9]
Suresh G, Pandey A K, Goswami A. Self-diffusion coefficients of water in Nafion-117 membrane with multivalent counterions[J]. J Membrane Sci, 2006, 284(1-2): 193－197.
[10]
Kidena K, Ohkubo T, Takimoto N, et al. PFG-NMR approach to determining the water transport mechanism in polymer electrolyte membranes conditioned at different temperatures[J]. Eur Polym J, 2010, 46(3): 450－455.
[11]
Saito M, Hayamizu K, Okada T. Temperature dependence of ion and water transport in perfluorinated ionomer membranes for fuel cells[J]. J Phys Chem B, 2005, 109(8): 3 112－3 119.
[12]
Zhao Q A, Majsztrik P, Benziger J. Diffusion and interfacial transport of water in Nafion[J]. J Phys Chem B, 2011,
[13]
115(12): 2 717－2 727.
[14]
Schmidt-Rohr K, Chen Q. Parallel cylindrical water nanochannels in Nafion fuel-cell membranes[J]. Nat Mater, 2008, 7(1): 75－83.
[15]
Allahyarov E, Taylor P L. Simulation study of the correlation between structure and conductivity in stretched Nafion[J]. J Phys Chem B, 2009, 113(3): 610－617.
[16]
Li J, Park J K, Moore R B, et al. Linear coupling of alignment with transport in a polymer electrolyte membrane[J]. Nat Mater, 2011, 10(7): 507－511.
[17]
Park J K, Li J, Divoux G M, et al. Oriented morphology and anisotropic transport in uniaxially stretched perfluorosulfonate ionomer membranes[J]. Macromolecules, 2011, 44(14): 5 701－5 710.
[18]
Lin J, Wu P H, Wycisk R, et al. Properties of water in prestretched recast Nafion[J]. Macromolecules, 2008, 41(12): 4 284－4 289.
[19]
Page K A, Landis F A, Phillips A K, et al. SAXS analysis of the thermal relaxation of anisotropic morphologies in oriented Nafion membranes[J]. Macromolecules, 2006, 39(11): 3 939－3 946.
[20]
MaoXi-an(毛希安). Modern NMR Technigues and Their Applications(现代核磁共振实用技术及应用)[M]. Beijing(北京): Scientific and Technical Documents Publishing House(科学技术文献出版社), 2000.
[21]
Wu Wen-peng(武文鹏), Wang Nian(王念), Feng Ji-wen(冯继文). An NMR study on phase transition of PNIPAAM in water/methanol mixtures(水/甲醇混合溶剂中PNIPAAM 相变行为的NMR 研究)[J]. Chinese J Magn Reson(波谱学杂志), 2007: 488－493.
[22]
Chowdhury S, Madsen L A, Frazier C E. Probing alignment and phase behavior in intact wood cell walls using H-2 NMR spectroscopy[J]. Biomacromolecules, 2012, 13(4): 1 043－1 050.
[23]
Deloche B, Samulski E T. Short-range nematic-like orientational order in strained elastomers - a deuterium magnetic-resonance study[J]. Macromolecules, 1981, 14(3): 575－581.
[24]
Li J, Wilmsmeyer K G, Madsen L A. Hydrophilic channel alignment modes in perfluorosulfonate ionomers: Implications for proton transport[J]. Macromolecules, 2008, 41(13): 4 555－4 557.
